PMID-sentid Pub_year Sent_text compound_name comp_offset prot_official_name organism prot_offset 17526738-0 2007 Critical contacts between the eukaryotic initiation factor 2B (eIF2B) catalytic domain and both eIF2beta and -2gamma mediate guanine nucleotide exchange. Guanine Nucleotides 125-143 eukaryotic translation initiation factor 2 subunit beta Homo sapiens 30-61 17526738-0 2007 Critical contacts between the eukaryotic initiation factor 2B (eIF2B) catalytic domain and both eIF2beta and -2gamma mediate guanine nucleotide exchange. Guanine Nucleotides 125-143 eukaryotic translation initiation factor 2 subunit beta Homo sapiens 63-68 17526738-0 2007 Critical contacts between the eukaryotic initiation factor 2B (eIF2B) catalytic domain and both eIF2beta and -2gamma mediate guanine nucleotide exchange. Guanine Nucleotides 125-143 eukaryotic translation initiation factor 2 subunit beta Homo sapiens 96-116 17575049-5 2007 The FH2 domain stimulates the guanine nucleotide exchange activity of LARG in vitro. Guanine Nucleotides 30-48 Rho guanine nucleotide exchange factor 12 Homo sapiens 70-74 17504809-2 2007 Wrch-1 has no detectable GTPase activity and displays very high intrinsic guanine nucleotide exchange, implying that it is constitutively GTP-bound. Guanine Nucleotides 74-92 ras homolog family member U Homo sapiens 0-6 17462594-6 2007 The Ral guanine-nucleotide-dissociation-stimulator-like, which was found to interact with the 3rd cytoplasmic loop of D(3)R, mediated the inhibitory activity of D(3)R in c-fos expression. Guanine Nucleotides 8-26 RAS like proto-oncogene A Homo sapiens 4-7 17462594-6 2007 The Ral guanine-nucleotide-dissociation-stimulator-like, which was found to interact with the 3rd cytoplasmic loop of D(3)R, mediated the inhibitory activity of D(3)R in c-fos expression. Guanine Nucleotides 8-26 Fos proto-oncogene, AP-1 transcription factor subunit Homo sapiens 170-175 17448446-4 2007 Rab45 bound guanine nucleotide tri- and di-phosphates through the C-terminal Rab domain. Guanine Nucleotides 12-30 RAS and EF-hand domain containing Homo sapiens 0-5 17448446-6 2007 Rab45 expressed in HeLa cells was localized in a small patch in the perinuclear area of the cell, and the localization was regulated by the guanine nucleotide-bound states of Rab45. Guanine Nucleotides 140-158 RAS and EF-hand domain containing Homo sapiens 0-5 17448446-6 2007 Rab45 expressed in HeLa cells was localized in a small patch in the perinuclear area of the cell, and the localization was regulated by the guanine nucleotide-bound states of Rab45. Guanine Nucleotides 140-158 RAS and EF-hand domain containing Homo sapiens 175-180 17397188-0 2007 Mechanism of EF-Ts-catalyzed guanine nucleotide exchange in EF-Tu: contribution of interactions mediated by helix B of EF-Tu. Guanine Nucleotides 29-47 Ts translation elongation factor, mitochondrial Homo sapiens 13-18 17461797-1 2007 BRAG2 is a guanine nucleotide exchange factor for the GTPase Arf6 that cycles between the cytoplasm and nucleus in a CRM1/exportin1-dependent manner. Guanine Nucleotides 11-29 IQ motif and Sec7 domain ArfGEF 1 Homo sapiens 0-5 17461797-1 2007 BRAG2 is a guanine nucleotide exchange factor for the GTPase Arf6 that cycles between the cytoplasm and nucleus in a CRM1/exportin1-dependent manner. Guanine Nucleotides 11-29 ADP ribosylation factor 6 Homo sapiens 61-65 17461797-1 2007 BRAG2 is a guanine nucleotide exchange factor for the GTPase Arf6 that cycles between the cytoplasm and nucleus in a CRM1/exportin1-dependent manner. Guanine Nucleotides 11-29 exportin 1 Homo sapiens 117-121 17461797-1 2007 BRAG2 is a guanine nucleotide exchange factor for the GTPase Arf6 that cycles between the cytoplasm and nucleus in a CRM1/exportin1-dependent manner. Guanine Nucleotides 11-29 exportin 1 Homo sapiens 122-131 17463080-2 2007 Crystallographic studies have demonstrated that guanine nucleotide exchange on the Galpha subunit causes specific conformational changes in three key "switch" regions of the protein, which regulate binding to Gbetagamma subunits, receptors, and effector proteins. Guanine Nucleotides 48-66 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 83-89 17397188-0 2007 Mechanism of EF-Ts-catalyzed guanine nucleotide exchange in EF-Tu: contribution of interactions mediated by helix B of EF-Tu. Guanine Nucleotides 29-47 eukaryotic translation elongation factor 1 alpha 1 Homo sapiens 60-65 17397188-2 2007 Crystal structures suggested that one of the salient features in the EF-Tu x EF-Ts complex is a conformation change in the switch II region of EF-Tu that is initiated by intrusion of Phe81 of EF-Ts between His84 and His118 of EF-Tu and may result in a destabilization of Mg2+ coordination and guanine nucleotide release. Guanine Nucleotides 293-311 eukaryotic translation elongation factor 1 alpha 1 Homo sapiens 69-74 17337004-0 2007 Molecular basis of guanine nucleotide dissociation inhibitor activity of human neuroglobin by chemical cross-linking and mass spectrometry. Guanine Nucleotides 19-37 neuroglobin Homo sapiens 79-90 17397188-2 2007 Crystal structures suggested that one of the salient features in the EF-Tu x EF-Ts complex is a conformation change in the switch II region of EF-Tu that is initiated by intrusion of Phe81 of EF-Ts between His84 and His118 of EF-Tu and may result in a destabilization of Mg2+ coordination and guanine nucleotide release. Guanine Nucleotides 293-311 Ts translation elongation factor, mitochondrial Homo sapiens 77-82 17397188-2 2007 Crystal structures suggested that one of the salient features in the EF-Tu x EF-Ts complex is a conformation change in the switch II region of EF-Tu that is initiated by intrusion of Phe81 of EF-Ts between His84 and His118 of EF-Tu and may result in a destabilization of Mg2+ coordination and guanine nucleotide release. Guanine Nucleotides 293-311 eukaryotic translation elongation factor 1 alpha 1 Homo sapiens 143-148 17397188-2 2007 Crystal structures suggested that one of the salient features in the EF-Tu x EF-Ts complex is a conformation change in the switch II region of EF-Tu that is initiated by intrusion of Phe81 of EF-Ts between His84 and His118 of EF-Tu and may result in a destabilization of Mg2+ coordination and guanine nucleotide release. Guanine Nucleotides 293-311 Ts translation elongation factor, mitochondrial Homo sapiens 192-197 17397188-2 2007 Crystal structures suggested that one of the salient features in the EF-Tu x EF-Ts complex is a conformation change in the switch II region of EF-Tu that is initiated by intrusion of Phe81 of EF-Ts between His84 and His118 of EF-Tu and may result in a destabilization of Mg2+ coordination and guanine nucleotide release. Guanine Nucleotides 293-311 eukaryotic translation elongation factor 1 alpha 1 Homo sapiens 143-148 17534441-6 2007 4-IBP modified the sensitivity of U373-MG cells in vitro to proapoptotic lomustin and proautophagic temozolomide, and markedly decreased the expression of two proteins involved in drug resistance: glucosylceramide synthase and Rho guanine nucleotide dissociation inhibitor. Guanine Nucleotides 231-249 translocator protein Homo sapiens 2-5 17275330-2 2007 Vav1 is also a unique member of the GEF family in that it contains a cysteine-rich domain (CRD) that is critical for Rac1 binding and maximal guanine nucleotide exchange activity, and thus may provide a unique protein-protein interface compared to other GEF/GTPase pairs. Guanine Nucleotides 142-160 vav guanine nucleotide exchange factor 1 Homo sapiens 0-4 17275330-2 2007 Vav1 is also a unique member of the GEF family in that it contains a cysteine-rich domain (CRD) that is critical for Rac1 binding and maximal guanine nucleotide exchange activity, and thus may provide a unique protein-protein interface compared to other GEF/GTPase pairs. Guanine Nucleotides 142-160 Rho/Rac guanine nucleotide exchange factor 2 Homo sapiens 36-39 17331948-7 2007 Moreover our data suggest that these motifs may enhance the association of membrane proteins with the EFA6 family of guanine nucleotide exchange factors for ADP-ribosylation factor 6. Guanine Nucleotides 117-135 pleckstrin and Sec7 domain containing Homo sapiens 102-106 17331948-7 2007 Moreover our data suggest that these motifs may enhance the association of membrane proteins with the EFA6 family of guanine nucleotide exchange factors for ADP-ribosylation factor 6. Guanine Nucleotides 117-135 ADP ribosylation factor 6 Homo sapiens 157-182 17344481-5 2007 This high R-Ras activity on the endosomes correlated with the accumulation of an R-Ras effector, the Rgl2/Rlf guanine nucleotide exchange factor for RalA, and also with high RalA activity. Guanine Nucleotides 110-128 ral guanine nucleotide dissociation stimulator-like 2 Rattus norvegicus 101-105 17344481-5 2007 This high R-Ras activity on the endosomes correlated with the accumulation of an R-Ras effector, the Rgl2/Rlf guanine nucleotide exchange factor for RalA, and also with high RalA activity. Guanine Nucleotides 110-128 RLF zinc finger Rattus norvegicus 106-109 17344481-5 2007 This high R-Ras activity on the endosomes correlated with the accumulation of an R-Ras effector, the Rgl2/Rlf guanine nucleotide exchange factor for RalA, and also with high RalA activity. Guanine Nucleotides 110-128 RAS like proto-oncogene A Rattus norvegicus 149-153 17337004-1 2007 Oxidized human neuroglobin (Ngb), a heme protein expressed in the brain, has been proposed to act as a guanine nucleotide dissociation inhibitor (GDI) for the GDP-bound form of the heterotrimeric G protein alpha-subunit (Galpha(i)). Guanine Nucleotides 103-121 neuroglobin Homo sapiens 15-26 17337004-1 2007 Oxidized human neuroglobin (Ngb), a heme protein expressed in the brain, has been proposed to act as a guanine nucleotide dissociation inhibitor (GDI) for the GDP-bound form of the heterotrimeric G protein alpha-subunit (Galpha(i)). Guanine Nucleotides 103-121 neuroglobin Homo sapiens 28-31 17363901-2 2007 In Schizosaccharomyces pombe, Cdc42p is activated by Scd1p and Gef1p, two guanine-nucleotide exchange factors. Guanine Nucleotides 74-92 Rho guanine nucleotide exchange factor 1 Homo sapiens 63-68 17300802-1 2007 Rap1 and Rap2 are the only small guanine nucleotide-binding proteins of the Ras superfamily that do not use glutamine for GTP hydrolysis. Guanine Nucleotides 33-51 RAP1A, member of RAS oncogene family Homo sapiens 0-4 17300802-1 2007 Rap1 and Rap2 are the only small guanine nucleotide-binding proteins of the Ras superfamily that do not use glutamine for GTP hydrolysis. Guanine Nucleotides 33-51 RAP2A, member of RAS oncogene family Homo sapiens 9-13 17227822-1 2007 PI 3,4,5-trisphosphate [PI(3,4,5)P3; PIP3]-dependent Rac exchanger 1 (P-Rex1) is a Rac-specific guanine nucleotide exchange factor abundant in neutrophils and myeloid cells. Guanine Nucleotides 96-114 phosphatidylinositol-3,4,5-trisphosphate dependent Rac exchange factor 1 Homo sapiens 70-76 17296737-1 2007 Transcriptional regulation of IMD2 in yeast (Saccharomyces cerevisiae) is governed by the concentration of intracellular guanine nucleotide pools. Guanine Nucleotides 121-139 IMP dehydrogenase IMD2 Saccharomyces cerevisiae S288C 30-34 17227822-1 2007 PI 3,4,5-trisphosphate [PI(3,4,5)P3; PIP3]-dependent Rac exchanger 1 (P-Rex1) is a Rac-specific guanine nucleotide exchange factor abundant in neutrophils and myeloid cells. Guanine Nucleotides 96-114 Rac family small GTPase 2 Homo sapiens 53-56 17297921-0 2007 Kinetic analysis of the interaction of guanine nucleotides with eukaryotic translation initiation factor eIF5B. Guanine Nucleotides 39-58 eukaryotic translation initiation factor 5B Homo sapiens 105-110 17339487-7 2007 In contrast, phosphorylation of the Rho/Rac guanine nucleotide exchange factor Vav1 and the Rac target p21-activated kinases were markedly reduced in both hck-/-fgr-/- neutrophils and human neutrophils incubated with a PP2. Guanine Nucleotides 44-62 AKT serine/threonine kinase 1 Homo sapiens 40-43 17297921-3 2007 Here we investigated the kinetics of guanine nucleotide binding to eIF5B by a fluorescent stopped-flow technique using fluorescent mant derivatives of GTP and GDP and of the GTP analogues GTPgammaS and GMPPNP. Guanine Nucleotides 37-55 eukaryotic translation initiation factor 5B Homo sapiens 67-72 17297921-4 2007 The affinity of eIF5B for mant-GTP (Kd approximately 14-18 microM) was approximately 7-fold less than for mant-GDP (Kd approximately 2.3 microM), and both guanine nucleotides dissociated rapidly from eIF5B (k-1mant-GTP approximately 22-28 s-1, k-1mant-GDP approximately 10-14 s-1). Guanine Nucleotides 155-174 eukaryotic translation initiation factor 5B Homo sapiens 16-21 17339487-7 2007 In contrast, phosphorylation of the Rho/Rac guanine nucleotide exchange factor Vav1 and the Rac target p21-activated kinases were markedly reduced in both hck-/-fgr-/- neutrophils and human neutrophils incubated with a PP2. Guanine Nucleotides 44-62 vav guanine nucleotide exchange factor 1 Homo sapiens 79-83 17239822-1 2007 ALS2, the causative gene product for a number of recessive motor neuron diseases, is a guanine-nucleotide exchange factor for Rab5, and acts as a modulator for endosome dynamics. Guanine Nucleotides 87-105 alsin Rho guanine nucleotide exchange factor ALS2 Homo sapiens 0-4 17339487-7 2007 In contrast, phosphorylation of the Rho/Rac guanine nucleotide exchange factor Vav1 and the Rac target p21-activated kinases were markedly reduced in both hck-/-fgr-/- neutrophils and human neutrophils incubated with a PP2. Guanine Nucleotides 44-62 HCK proto-oncogene, Src family tyrosine kinase Homo sapiens 155-158 17339487-7 2007 In contrast, phosphorylation of the Rho/Rac guanine nucleotide exchange factor Vav1 and the Rac target p21-activated kinases were markedly reduced in both hck-/-fgr-/- neutrophils and human neutrophils incubated with a PP2. Guanine Nucleotides 44-62 FGR proto-oncogene, Src family tyrosine kinase Homo sapiens 161-164 17178836-1 2007 The dbl proto-oncogene product is a prototype of a growing family of guanine nucleotide exchange factors (GEFs) that stimulate the activation of small GTP-binding proteins from the Rho family. Guanine Nucleotides 69-87 MCF.2 cell line derived transforming sequence Homo sapiens 4-7 17279591-6 2007 We have tested whether the interaction between a dimeric form of PDZ domain that mimics a functional dimeric guanine nucleotide exchange factor, PDZ-RhoGEF (PDZ-containing RhoA-specific guanine nucleotide exchange factor) or LARG (leukemia-associated RhoA specific guanine nucleotide exchange factor), and a bivalent peptide that mimics the dimer of the plexin B receptor, could enhance the interaction between the two moieties. Guanine Nucleotides 109-127 ras homolog family member A Homo sapiens 172-176 17279591-6 2007 We have tested whether the interaction between a dimeric form of PDZ domain that mimics a functional dimeric guanine nucleotide exchange factor, PDZ-RhoGEF (PDZ-containing RhoA-specific guanine nucleotide exchange factor) or LARG (leukemia-associated RhoA specific guanine nucleotide exchange factor), and a bivalent peptide that mimics the dimer of the plexin B receptor, could enhance the interaction between the two moieties. Guanine Nucleotides 186-204 ras homolog family member A Homo sapiens 172-176 17220465-3 2007 One of these, the Rdi1p guanine nucleotide dissociation inhibitor, negatively regulates Cdc42p by extracting it from cellular membranes. Guanine Nucleotides 24-42 Rdi1p Saccharomyces cerevisiae S288C 18-23 17220465-3 2007 One of these, the Rdi1p guanine nucleotide dissociation inhibitor, negatively regulates Cdc42p by extracting it from cellular membranes. Guanine Nucleotides 24-42 Rho family GTPase CDC42 Saccharomyces cerevisiae S288C 88-93 17239822-1 2007 ALS2, the causative gene product for a number of recessive motor neuron diseases, is a guanine-nucleotide exchange factor for Rab5, and acts as a modulator for endosome dynamics. Guanine Nucleotides 87-105 RAB5A, member RAS oncogene family Homo sapiens 126-130 17273773-4 2007 In this study, we examined both the expression levels and the activation states of RhoA in various lung cancer cells by quantitative real-time reverse transcriptase-polymerase chain reaction and in vivo Rho guanine nucleotide exchange assay, respectively. Guanine Nucleotides 207-225 ras homolog family member A Homo sapiens 83-87 17196961-0 2007 Dock6, a Dock-C subfamily guanine nucleotide exchanger, has the dual specificity for Rac1 and Cdc42 and regulates neurite outgrowth. Guanine Nucleotides 26-44 dedicator of cytokinesis 6 Mus musculus 0-5 17301792-11 2007 dTCTP directly associates with dRheb and displays guanine nucleotide exchange activity with it in vivo and in vitro. Guanine Nucleotides 50-68 Translationally controlled tumor protein Drosophila melanogaster 0-5 17196961-0 2007 Dock6, a Dock-C subfamily guanine nucleotide exchanger, has the dual specificity for Rac1 and Cdc42 and regulates neurite outgrowth. Guanine Nucleotides 26-44 Rac family small GTPase 1 Mus musculus 85-89 17196961-0 2007 Dock6, a Dock-C subfamily guanine nucleotide exchanger, has the dual specificity for Rac1 and Cdc42 and regulates neurite outgrowth. Guanine Nucleotides 26-44 cell division cycle 42 Mus musculus 94-99 17134721-1 2007 Sec2 is a reversibly membrane associated multi-domain protein with guanine nucleotide exchange activity towards the yeast Rab-protein Sec4. Guanine Nucleotides 67-85 guanine nucleotide exchange factor SEC2 Saccharomyces cerevisiae S288C 0-4 17260967-3 2007 A ROC domain mutation that converts LRRK2 to a guanine nucleotide-free form (T1348N) abolishes the kinase activity of LRRK2 as well as its phosphate incorporation upon metabolic labeling. Guanine Nucleotides 47-65 leucine-rich repeat kinase 2 Mus musculus 36-41 17260967-3 2007 A ROC domain mutation that converts LRRK2 to a guanine nucleotide-free form (T1348N) abolishes the kinase activity of LRRK2 as well as its phosphate incorporation upon metabolic labeling. Guanine Nucleotides 47-65 leucine-rich repeat kinase 2 Mus musculus 118-123 17134721-1 2007 Sec2 is a reversibly membrane associated multi-domain protein with guanine nucleotide exchange activity towards the yeast Rab-protein Sec4. Guanine Nucleotides 67-85 Rab family GTPase SEC4 Saccharomyces cerevisiae S288C 134-138 16949794-1 2007 GoLoco motif proteins act as guanine nucleotide dissociation inhibitors (GDIs) for G-protein alpha subunits of the adenylyl cyclase-inhibitory (Galpha(i/o)) class. Guanine Nucleotides 29-47 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 144-150 17284589-1 2007 The exchange factor directly activated by cAMP (Epac) is a newly discovered direct target for cAMP and a guanine-nucleotide exchange factor for the small GTPase Rap. Guanine Nucleotides 105-123 Rap guanine nucleotide exchange factor 3 Homo sapiens 48-52 17284589-1 2007 The exchange factor directly activated by cAMP (Epac) is a newly discovered direct target for cAMP and a guanine-nucleotide exchange factor for the small GTPase Rap. Guanine Nucleotides 105-123 LDL receptor related protein associated protein 1 Homo sapiens 161-164 17292842-2 2007 The GEF activity is localized in the N-terminal 160 residues of Sec2p, which lacks sequence similarity with any other GEFs with known structures, and thereby the guanine nucleotide exchange mechanism by Sec2p remains unknown. Guanine Nucleotides 162-180 guanine nucleotide exchange factor SEC2 Saccharomyces cerevisiae S288C 64-69 17239665-1 2007 The rasgef genes encode a subgroup of highly conserved Ras guanine nucleotide exchange factors. Guanine Nucleotides 59-77 RasGEF domain family, member 1Bb Danio rerio 4-10 17237388-2 2007 Ras can control the activity of multiple effectors, including Raf, PI3K, and guanine nucleotide exchange factors for the small GTPase Ral. Guanine Nucleotides 77-95 RAS like proto-oncogene A Homo sapiens 134-137 17292842-2 2007 The GEF activity is localized in the N-terminal 160 residues of Sec2p, which lacks sequence similarity with any other GEFs with known structures, and thereby the guanine nucleotide exchange mechanism by Sec2p remains unknown. Guanine Nucleotides 162-180 guanine nucleotide exchange factor SEC2 Saccharomyces cerevisiae S288C 203-208 17292842-4 2007 The structure unexpectedly consists of a homodimeric, parallel coiled coil that extends over 180 A. Pull-down and guanine nucleotide exchange analyses on a series of deletion and point mutants of Sec2p unveiled the catalytic residues for its GEF activity as well as the Sec4p binding site, thus presenting a nucleotide exchange mechanism by a simple coiled coil. Guanine Nucleotides 114-132 guanine nucleotide exchange factor SEC2 Saccharomyces cerevisiae S288C 196-201 17121813-2 2007 Five eis mutants disrupted established VPS (vacuolar protein sorting) genes, The sixth, LTE1, is a Low Temperature (<15 degrees C) Essential gene encoding a large protein with potential guanine nucleotide exchange (GEF) domains. Guanine Nucleotides 189-207 mitotic regulator LTE1 Saccharomyces cerevisiae S288C 88-92 17049467-1 2007 Rho-guanine nucleotide dissociation inhibitor-beta (RhoGDIbeta), a regulator for Rho GTPases, is implicated in cancer cell progression. Guanine Nucleotides 4-22 Rho GDP dissociation inhibitor beta Homo sapiens 52-62 17854659-2 2007 One family of guanine nucleotide exchange factors for Rho proteins (RhoGEFs) provides a direct pathway for regulation of RhoA by cell surface receptors coupled to heterotrimeric G proteins. Guanine Nucleotides 14-32 ras homolog family member A Mus musculus 121-125 17214551-1 2007 Asef is a member of the Dbl-family of guanine nucleotide exchange factors (GEFs) with a proposed specificity for the small GTPase Rac1. Guanine Nucleotides 38-56 Rho guanine nucleotide exchange factor 4 Homo sapiens 0-4 17214551-1 2007 Asef is a member of the Dbl-family of guanine nucleotide exchange factors (GEFs) with a proposed specificity for the small GTPase Rac1. Guanine Nucleotides 38-56 Rac family small GTPase 1 Homo sapiens 130-134 17240990-6 2007 Calorimetric experiments reveal the enthalpy, entropy, and heat capacity changes accompanying PDZ2 binding to the C-terminal pentadecapeptide derived from the guanine nucleotide exchange factor RA-GEF2. Guanine Nucleotides 159-177 Rap guanine nucleotide exchange factor 6 Homo sapiens 194-201 17182900-4 2007 Interestingly, Rap1 guanine nucleotide exchange factors, such as C3G and PDZ-GEF, are directly linked to E-cadherin or to other junction proteins. Guanine Nucleotides 20-38 RAP1A, member of RAS oncogene family Homo sapiens 15-19 17189207-4 2007 The VPS9 domain is a guanine nucleotide exchange factor for Rab31, a Rab5 subfamily GTPase implicated in trans-Golgi network (TGN)-to-endosome trafficking. Guanine Nucleotides 21-39 RAB31, member RAS oncogene family Homo sapiens 60-65 17982273-3 2007 The present study first addressed the role of Rac1 and then determined the contribution of a subfamily of Guanine Nucleotide Exchange Factors (GEFs), Vav, to the action of Hcys on Rac and NADPH oxidase activities in RMCs. Guanine Nucleotides 106-124 vav guanine nucleotide exchange factor 1 Rattus norvegicus 150-153 17182900-4 2007 Interestingly, Rap1 guanine nucleotide exchange factors, such as C3G and PDZ-GEF, are directly linked to E-cadherin or to other junction proteins. Guanine Nucleotides 20-38 Rap guanine nucleotide exchange factor 1 Homo sapiens 65-68 17182900-4 2007 Interestingly, Rap1 guanine nucleotide exchange factors, such as C3G and PDZ-GEF, are directly linked to E-cadherin or to other junction proteins. Guanine Nucleotides 20-38 cadherin 1 Homo sapiens 105-115 17060455-0 2007 The Rac effector p67phox regulates phagocyte NADPH oxidase by stimulating Vav1 guanine nucleotide exchange activity. Guanine Nucleotides 79-97 AKT serine/threonine kinase 1 Homo sapiens 4-7 17060455-0 2007 The Rac effector p67phox regulates phagocyte NADPH oxidase by stimulating Vav1 guanine nucleotide exchange activity. Guanine Nucleotides 79-97 neutrophil cytosolic factor 2 Homo sapiens 17-24 17060455-0 2007 The Rac effector p67phox regulates phagocyte NADPH oxidase by stimulating Vav1 guanine nucleotide exchange activity. Guanine Nucleotides 79-97 vav guanine nucleotide exchange factor 1 Homo sapiens 74-78 17034816-0 2006 A novel lysine-rich domain and GTP binding motifs regulate the nucleolar retention of human guanine nucleotide binding protein, GNL3L. Guanine Nucleotides 92-110 G protein nucleolar 3 like Homo sapiens 128-133 17143282-3 2007 Here, we report that 22 of 129 individuals with Noonan syndrome without PTPN11 or KRAS mutation have missense mutations in SOS1, which encodes a RAS-specific guanine nucleotide exchange factor. Guanine Nucleotides 158-176 SOS Ras/Rac guanine nucleotide exchange factor 1 Homo sapiens 123-127 17062564-8 2006 Guanine nucleotide binding and exchange on eRF3, which therefore depends on stimulation by eRF1, is entirely different from that on prokaryotic RF3 and unusual among GTPases. Guanine Nucleotides 0-18 eukaryotic translation termination factor 1 Homo sapiens 91-95 17007612-0 2006 The Dbs PH domain contributes independently to membrane targeting and regulation of guanine nucleotide-exchange activity. Guanine Nucleotides 84-102 MCF.2 cell line derived transforming sequence like Homo sapiens 4-7 17128987-1 2006 We have previously shown that redox agents including superoxide anion radical and nitrogen dioxide can react with GXXXXGK(S/T)C motif-containing GTPases (i.e., Rac1, Cdc42, and RhoA) to stimulate guanine nucleotide release. Guanine Nucleotides 196-214 Rac family small GTPase 1 Homo sapiens 160-164 17128987-1 2006 We have previously shown that redox agents including superoxide anion radical and nitrogen dioxide can react with GXXXXGK(S/T)C motif-containing GTPases (i.e., Rac1, Cdc42, and RhoA) to stimulate guanine nucleotide release. Guanine Nucleotides 196-214 cell division cycle 42 Homo sapiens 166-171 17128987-1 2006 We have previously shown that redox agents including superoxide anion radical and nitrogen dioxide can react with GXXXXGK(S/T)C motif-containing GTPases (i.e., Rac1, Cdc42, and RhoA) to stimulate guanine nucleotide release. Guanine Nucleotides 196-214 ras homolog family member A Homo sapiens 177-181 17128987-3 2006 While reaction of redox agents with RhoA stimulates guanine nucleotide dissociation, RhoA is subsequently inactivated through formation of an intramolecular disulfide that prevents guanine nucleotide binding thereby causing RhoA inactivation. Guanine Nucleotides 181-199 ras homolog family member A Homo sapiens 36-40 17128987-3 2006 While reaction of redox agents with RhoA stimulates guanine nucleotide dissociation, RhoA is subsequently inactivated through formation of an intramolecular disulfide that prevents guanine nucleotide binding thereby causing RhoA inactivation. Guanine Nucleotides 52-70 ras homolog family member A Homo sapiens 36-40 17128987-3 2006 While reaction of redox agents with RhoA stimulates guanine nucleotide dissociation, RhoA is subsequently inactivated through formation of an intramolecular disulfide that prevents guanine nucleotide binding thereby causing RhoA inactivation. Guanine Nucleotides 181-199 ras homolog family member A Homo sapiens 85-89 16781119-6 2006 On the other hand, SDF-1-induced activation of the Erk signaling pathway as well as chemotaxis was inhibited by overexpression of a CrkL mutant lacking the N-terminal SH3 domain, which mediates interaction with various signaling molecules including guanine nucleotide exchange factors for the Ras and Rho family GTPases. Guanine Nucleotides 249-267 chemokine (C-X-C motif) ligand 12 Mus musculus 19-24 17128987-3 2006 While reaction of redox agents with RhoA stimulates guanine nucleotide dissociation, RhoA is subsequently inactivated through formation of an intramolecular disulfide that prevents guanine nucleotide binding thereby causing RhoA inactivation. Guanine Nucleotides 181-199 ras homolog family member A Homo sapiens 85-89 16781119-6 2006 On the other hand, SDF-1-induced activation of the Erk signaling pathway as well as chemotaxis was inhibited by overexpression of a CrkL mutant lacking the N-terminal SH3 domain, which mediates interaction with various signaling molecules including guanine nucleotide exchange factors for the Ras and Rho family GTPases. Guanine Nucleotides 249-267 mitogen-activated protein kinase 1 Mus musculus 51-54 16781119-6 2006 On the other hand, SDF-1-induced activation of the Erk signaling pathway as well as chemotaxis was inhibited by overexpression of a CrkL mutant lacking the N-terminal SH3 domain, which mediates interaction with various signaling molecules including guanine nucleotide exchange factors for the Ras and Rho family GTPases. Guanine Nucleotides 249-267 v-crk avian sarcoma virus CT10 oncogene homolog-like Mus musculus 132-136 16968698-3 2006 However, molecular cloning of the cDNA encoding this protein (p220) revealed that it was highly related to Zizimin-1 and identical in sequence to a gene product in the data base designated DOCK11, which are members of the DOCK180 family of guanine nucleotide exchange factors (GEFs) for Cdc42 and Rac. Guanine Nucleotides 240-258 Ral GTPase activating protein catalytic subunit alpha 2 Homo sapiens 62-66 17085049-2 2006 In particular, identification of a novel phospholipase C isoform, PLC epsilon, which also incorporates domains for guanine nucleotide exchange and Ras binding, have prompted an interest in the interplay between small GTPases and phospholipase C and possible significance of these interconnectivities. Guanine Nucleotides 115-133 heparan sulfate proteoglycan 2 Homo sapiens 66-69 17084389-1 2006 The Ras-specific guanine nucleotide exchange region of hSos1 consists of two consecutive domains: the catalytic core (residues 742-1024) contains all residues binding to Ras, including the catalytic hairpin, and an upstream REM domain (residues 553-741), so called because it contains an evolutionary conserved Ras Exchange Motif (REM). Guanine Nucleotides 17-35 SOS Ras/Rac guanine nucleotide exchange factor 1 Homo sapiens 55-60 16973695-1 2006 Epac is an acronym for the exchange proteins activated directly by cyclic AMP, a family of cAMP-regulated guanine nucleotide exchange factors (cAMPGEFs) that mediate protein kinase A (PKA)-independent signal transduction properties of the second messenger cAMP. Guanine Nucleotides 106-124 Rap guanine nucleotide exchange factor 3 Homo sapiens 0-4 16968698-3 2006 However, molecular cloning of the cDNA encoding this protein (p220) revealed that it was highly related to Zizimin-1 and identical in sequence to a gene product in the data base designated DOCK11, which are members of the DOCK180 family of guanine nucleotide exchange factors (GEFs) for Cdc42 and Rac. Guanine Nucleotides 240-258 dedicator of cytokinesis 11 Homo sapiens 189-195 16968698-3 2006 However, molecular cloning of the cDNA encoding this protein (p220) revealed that it was highly related to Zizimin-1 and identical in sequence to a gene product in the data base designated DOCK11, which are members of the DOCK180 family of guanine nucleotide exchange factors (GEFs) for Cdc42 and Rac. Guanine Nucleotides 240-258 dedicator of cytokinesis 1 Homo sapiens 222-229 17127620-5 2006 In contrast, the guanine nucleotide exchange defective ARFRP1 mutant (ARFRP1-T31N) clusters within the cytosol. Guanine Nucleotides 17-35 ADP-ribosylation factor related protein 1 Mus musculus 55-61 17075039-1 2006 The Ras-specific guanine nucleotide-exchange factors Son of sevenless (Sos) and Ras guanine nucleotide-releasing factor 1 (RasGRF1) transduce extracellular stimuli into Ras activation by catalyzing the exchange of Ras-bound GDP for GTP. Guanine Nucleotides 17-35 Ras protein specific guanine nucleotide releasing factor 1 Homo sapiens 80-121 17075039-1 2006 The Ras-specific guanine nucleotide-exchange factors Son of sevenless (Sos) and Ras guanine nucleotide-releasing factor 1 (RasGRF1) transduce extracellular stimuli into Ras activation by catalyzing the exchange of Ras-bound GDP for GTP. Guanine Nucleotides 17-35 Ras protein specific guanine nucleotide releasing factor 1 Homo sapiens 123-130 17052213-8 2006 Thus the signals from Ras and PI3K converge at the level of Ral GEFs (guanine nucleotide-exchange factors), and this convergence restricts the area of RalA activation. Guanine Nucleotides 70-88 RAS like proto-oncogene A Homo sapiens 151-155 17056570-2 2006 Clustering of FcgammaRs results in the activation of Vav proteins, Rho/Rac guanine nucleotide exchange factors, and results in robust superoxide generation through the NADPH oxidase. Guanine Nucleotides 75-93 vav 1 oncogene Mus musculus 53-56 17056570-2 2006 Clustering of FcgammaRs results in the activation of Vav proteins, Rho/Rac guanine nucleotide exchange factors, and results in robust superoxide generation through the NADPH oxidase. Guanine Nucleotides 75-93 thymoma viral proto-oncogene 1 Mus musculus 71-74 17127620-5 2006 In contrast, the guanine nucleotide exchange defective ARFRP1 mutant (ARFRP1-T31N) clusters within the cytosol. Guanine Nucleotides 17-35 ADP-ribosylation factor related protein 1 Mus musculus 70-76 17016598-1 2006 The ECT2 (epithelial cell transforming sequence 2) proto-oncogene encodes a guanine nucleotide exchange factor for Rho GTPases, and regulates cytokinesis. Guanine Nucleotides 76-94 epithelial cell transforming 2 Homo sapiens 10-49 16923811-2 2006 Because the GTP- or GDP-locked mutant of Rab27A causes perinuclear aggregation of melanosomes, appropriate GTP-GDP cycling of Rab27A is essential for melanosome transport, and certain guanine nucleotide exchange factors and GTPase-activating proteins (GAPs) of Rab27A must be present in melanocytes. Guanine Nucleotides 184-202 RAB27A, member RAS oncogene family Homo sapiens 41-47 17016598-1 2006 The ECT2 (epithelial cell transforming sequence 2) proto-oncogene encodes a guanine nucleotide exchange factor for Rho GTPases, and regulates cytokinesis. Guanine Nucleotides 76-94 epithelial cell transforming 2 Homo sapiens 4-8 16990799-0 2006 An eIF5/eIF2 complex antagonizes guanine nucleotide exchange by eIF2B during translation initiation. Guanine Nucleotides 33-51 eukaryotic translation initiation factor 5 Homo sapiens 3-7 16990799-8 2006 We propose that the eIF2/eIF5 complex represents a cytoplasmic reservoir for eIF2 that antagonizes eIF2B-promoted guanine nucleotide exchange, enabling coordinated regulation of translation initiation. Guanine Nucleotides 114-132 eukaryotic translation initiation factor 2 subunit beta Homo sapiens 20-24 16990799-0 2006 An eIF5/eIF2 complex antagonizes guanine nucleotide exchange by eIF2B during translation initiation. Guanine Nucleotides 33-51 eukaryotic translation initiation factor 2 subunit beta Homo sapiens 8-12 16990799-8 2006 We propose that the eIF2/eIF5 complex represents a cytoplasmic reservoir for eIF2 that antagonizes eIF2B-promoted guanine nucleotide exchange, enabling coordinated regulation of translation initiation. Guanine Nucleotides 114-132 eukaryotic translation initiation factor 5 Homo sapiens 25-29 16990799-0 2006 An eIF5/eIF2 complex antagonizes guanine nucleotide exchange by eIF2B during translation initiation. Guanine Nucleotides 33-51 eukaryotic translation initiation factor 2B subunit delta Homo sapiens 64-69 16990799-8 2006 We propose that the eIF2/eIF5 complex represents a cytoplasmic reservoir for eIF2 that antagonizes eIF2B-promoted guanine nucleotide exchange, enabling coordinated regulation of translation initiation. Guanine Nucleotides 114-132 eukaryotic translation initiation factor 2 subunit beta Homo sapiens 77-81 16990799-8 2006 We propose that the eIF2/eIF5 complex represents a cytoplasmic reservoir for eIF2 that antagonizes eIF2B-promoted guanine nucleotide exchange, enabling coordinated regulation of translation initiation. Guanine Nucleotides 114-132 eukaryotic translation initiation factor 2B subunit delta Homo sapiens 99-104 16990799-1 2006 In eukaryotic translation initiation, the eIF2.GTP/Met-tRNA(i)(Met) ternary complex (TC) binds the eIF3/eIF1/eIF5 complex to form the multifactor complex (MFC), whereas eIF2.GDP binds the pentameric factor eIF2B for guanine nucleotide exchange. Guanine Nucleotides 216-234 eukaryotic translation initiation factor 2 subunit beta Homo sapiens 42-46 16990799-1 2006 In eukaryotic translation initiation, the eIF2.GTP/Met-tRNA(i)(Met) ternary complex (TC) binds the eIF3/eIF1/eIF5 complex to form the multifactor complex (MFC), whereas eIF2.GDP binds the pentameric factor eIF2B for guanine nucleotide exchange. Guanine Nucleotides 216-234 eukaryotic translation initiation factor 3 subunit A Homo sapiens 99-103 16990799-1 2006 In eukaryotic translation initiation, the eIF2.GTP/Met-tRNA(i)(Met) ternary complex (TC) binds the eIF3/eIF1/eIF5 complex to form the multifactor complex (MFC), whereas eIF2.GDP binds the pentameric factor eIF2B for guanine nucleotide exchange. Guanine Nucleotides 216-234 eukaryotic translation initiation factor 1 Homo sapiens 104-108 16990799-1 2006 In eukaryotic translation initiation, the eIF2.GTP/Met-tRNA(i)(Met) ternary complex (TC) binds the eIF3/eIF1/eIF5 complex to form the multifactor complex (MFC), whereas eIF2.GDP binds the pentameric factor eIF2B for guanine nucleotide exchange. Guanine Nucleotides 216-234 eukaryotic translation initiation factor 5 Homo sapiens 109-113 16652149-5 2006 Using siRNA to suppress expression of the three known G-protein alpha-subunit-associated RhoA guanine nucleotide exchange factors (GEFs), we also show that two of these RhoA GEFs, PDZ-RhoGEF and leukemia-associated RhoGEF (LARG), link bombesin receptors to RhoA in a non-redundant manner in PC cells. Guanine Nucleotides 94-112 ras homolog family member A Homo sapiens 89-93 16652149-5 2006 Using siRNA to suppress expression of the three known G-protein alpha-subunit-associated RhoA guanine nucleotide exchange factors (GEFs), we also show that two of these RhoA GEFs, PDZ-RhoGEF and leukemia-associated RhoGEF (LARG), link bombesin receptors to RhoA in a non-redundant manner in PC cells. Guanine Nucleotides 94-112 ras homolog family member A Homo sapiens 169-173 16652149-5 2006 Using siRNA to suppress expression of the three known G-protein alpha-subunit-associated RhoA guanine nucleotide exchange factors (GEFs), we also show that two of these RhoA GEFs, PDZ-RhoGEF and leukemia-associated RhoGEF (LARG), link bombesin receptors to RhoA in a non-redundant manner in PC cells. Guanine Nucleotides 94-112 Rho guanine nucleotide exchange factor 11 Homo sapiens 180-190 16652149-5 2006 Using siRNA to suppress expression of the three known G-protein alpha-subunit-associated RhoA guanine nucleotide exchange factors (GEFs), we also show that two of these RhoA GEFs, PDZ-RhoGEF and leukemia-associated RhoGEF (LARG), link bombesin receptors to RhoA in a non-redundant manner in PC cells. Guanine Nucleotides 94-112 Rho guanine nucleotide exchange factor 12 Homo sapiens 195-221 16652149-5 2006 Using siRNA to suppress expression of the three known G-protein alpha-subunit-associated RhoA guanine nucleotide exchange factors (GEFs), we also show that two of these RhoA GEFs, PDZ-RhoGEF and leukemia-associated RhoGEF (LARG), link bombesin receptors to RhoA in a non-redundant manner in PC cells. Guanine Nucleotides 94-112 Rho guanine nucleotide exchange factor 12 Homo sapiens 223-227 16652149-5 2006 Using siRNA to suppress expression of the three known G-protein alpha-subunit-associated RhoA guanine nucleotide exchange factors (GEFs), we also show that two of these RhoA GEFs, PDZ-RhoGEF and leukemia-associated RhoGEF (LARG), link bombesin receptors to RhoA in a non-redundant manner in PC cells. Guanine Nucleotides 94-112 gastrin releasing peptide Homo sapiens 235-243 16652149-5 2006 Using siRNA to suppress expression of the three known G-protein alpha-subunit-associated RhoA guanine nucleotide exchange factors (GEFs), we also show that two of these RhoA GEFs, PDZ-RhoGEF and leukemia-associated RhoGEF (LARG), link bombesin receptors to RhoA in a non-redundant manner in PC cells. Guanine Nucleotides 94-112 ras homolog family member A Homo sapiens 169-173 16298104-0 2006 G-protein alpha subunit interaction and guanine nucleotide dissociation inhibitor activity of the dual GoLoco motif protein PCP-2 (Purkinje cell protein-2). Guanine Nucleotides 40-58 Purkinje cell protein 2 Homo sapiens 124-129 16914744-1 2006 Cybr (also known as Cytip, CASP, and PSCDBP) is an interleukin-12-induced gene expressed exclusively in hematopoietic cells and tissues that associates with Arf guanine nucleotide exchange factors known as cytohesins. Guanine Nucleotides 161-179 cytohesin 1 interacting protein Mus musculus 0-4 16914744-1 2006 Cybr (also known as Cytip, CASP, and PSCDBP) is an interleukin-12-induced gene expressed exclusively in hematopoietic cells and tissues that associates with Arf guanine nucleotide exchange factors known as cytohesins. Guanine Nucleotides 161-179 cytohesin 1 interacting protein Mus musculus 20-25 16914744-1 2006 Cybr (also known as Cytip, CASP, and PSCDBP) is an interleukin-12-induced gene expressed exclusively in hematopoietic cells and tissues that associates with Arf guanine nucleotide exchange factors known as cytohesins. Guanine Nucleotides 161-179 cartilage associated protein Mus musculus 27-31 16914744-1 2006 Cybr (also known as Cytip, CASP, and PSCDBP) is an interleukin-12-induced gene expressed exclusively in hematopoietic cells and tissues that associates with Arf guanine nucleotide exchange factors known as cytohesins. Guanine Nucleotides 161-179 cytohesin 1 interacting protein Mus musculus 37-43 16868024-5 2006 In addition, we describe a novel interaction between palladin and Eps8, a receptor tyrosine kinase (RTK) substrate that participates in the activation of the Rac-specific guanine nucleotide-exchange function of Sos-1. Guanine Nucleotides 171-189 palladin, cytoskeletal associated protein Homo sapiens 53-61 16868024-5 2006 In addition, we describe a novel interaction between palladin and Eps8, a receptor tyrosine kinase (RTK) substrate that participates in the activation of the Rac-specific guanine nucleotide-exchange function of Sos-1. Guanine Nucleotides 171-189 epidermal growth factor receptor pathway substrate 8 Homo sapiens 66-70 16868024-5 2006 In addition, we describe a novel interaction between palladin and Eps8, a receptor tyrosine kinase (RTK) substrate that participates in the activation of the Rac-specific guanine nucleotide-exchange function of Sos-1. Guanine Nucleotides 171-189 ret proto-oncogene Homo sapiens 74-98 16868024-5 2006 In addition, we describe a novel interaction between palladin and Eps8, a receptor tyrosine kinase (RTK) substrate that participates in the activation of the Rac-specific guanine nucleotide-exchange function of Sos-1. Guanine Nucleotides 171-189 ret proto-oncogene Homo sapiens 100-103 16868024-5 2006 In addition, we describe a novel interaction between palladin and Eps8, a receptor tyrosine kinase (RTK) substrate that participates in the activation of the Rac-specific guanine nucleotide-exchange function of Sos-1. Guanine Nucleotides 171-189 SOS Ras/Rac guanine nucleotide exchange factor 1 Homo sapiens 211-216 16298104-0 2006 G-protein alpha subunit interaction and guanine nucleotide dissociation inhibitor activity of the dual GoLoco motif protein PCP-2 (Purkinje cell protein-2). Guanine Nucleotides 40-58 Purkinje cell protein 2 Homo sapiens 131-154 16298104-4 2006 We demonstrate that the first GoLoco motif (GL1) of PCP-2 is equipotent as a guanine nucleotide dissociation inhibitor (GDI) towards Galphai1 and Galphai2, while it has sevenfold lower GDI activity for Galphai3 and greater than 20-fold lower GDI activity against Galphao. Guanine Nucleotides 77-95 Purkinje cell protein 2 Homo sapiens 52-57 16698001-8 2006 AngII altered neither expression nor tyrosine phosphorylation of GTPase activating protein GAP-p190 and the guanine nucleotide exchange factors Vav and Tiam. Guanine Nucleotides 108-126 angiotensinogen Rattus norvegicus 0-5 16687576-3 2006 We find that Hsp90 forms a complex with guanine nucleotide dissociation inhibitor (GDI) to direct recycling of the client substrate Rab1 required for endoplasmic reticulum (ER)-to-Golgi transport. Guanine Nucleotides 40-58 heat shock protein 90 alpha family class A member 1 Homo sapiens 13-18 16687576-3 2006 We find that Hsp90 forms a complex with guanine nucleotide dissociation inhibitor (GDI) to direct recycling of the client substrate Rab1 required for endoplasmic reticulum (ER)-to-Golgi transport. Guanine Nucleotides 40-58 RAB1A, member RAS oncogene family Homo sapiens 132-136 16896804-1 2006 According to cDNA sequence homologies, Gef10 is related to the Rho-specific guanine nucleotide exchange factors GrinchGEF and p164-RhoGEF. Guanine Nucleotides 76-94 Rho guanine nucleotide exchange factor 10 Homo sapiens 39-44 16896804-1 2006 According to cDNA sequence homologies, Gef10 is related to the Rho-specific guanine nucleotide exchange factors GrinchGEF and p164-RhoGEF. Guanine Nucleotides 76-94 Rho guanine nucleotide exchange factor 10 like Homo sapiens 112-121 16896804-1 2006 According to cDNA sequence homologies, Gef10 is related to the Rho-specific guanine nucleotide exchange factors GrinchGEF and p164-RhoGEF. Guanine Nucleotides 76-94 Rho guanine nucleotide exchange factor 17 Homo sapiens 126-137 16717093-0 2006 The importance of P-loop and domain movements in EF-Tu for guanine nucleotide exchange. Guanine Nucleotides 59-77 eukaryotic translation elongation factor 1 alpha 1 Homo sapiens 49-54 16841939-1 2006 P21ras, the translation product of the most commonly mutated oncogene, is a small guanine nucleotide exchange protein. Guanine Nucleotides 82-100 HRas proto-oncogene, GTPase Homo sapiens 0-6 16698001-9 2006 Transaortic constriction as well as AngII increased the binding of Rho guanine nucleotide dissociation inhibitor (RhoGDIalpha) to Rac1. Guanine Nucleotides 71-89 angiotensinogen Rattus norvegicus 36-41 16698001-9 2006 Transaortic constriction as well as AngII increased the binding of Rho guanine nucleotide dissociation inhibitor (RhoGDIalpha) to Rac1. Guanine Nucleotides 71-89 Rho GDP dissociation inhibitor alpha Rattus norvegicus 114-125 16698001-9 2006 Transaortic constriction as well as AngII increased the binding of Rho guanine nucleotide dissociation inhibitor (RhoGDIalpha) to Rac1. Guanine Nucleotides 71-89 Rac family small GTPase 1 Rattus norvegicus 130-134 16714282-0 2006 Caveolin-1 functions as a novel Cdc42 guanine nucleotide dissociation inhibitor in pancreatic beta-cells. Guanine Nucleotides 38-56 caveolin 1, caveolae protein Mus musculus 0-10 16714282-0 2006 Caveolin-1 functions as a novel Cdc42 guanine nucleotide dissociation inhibitor in pancreatic beta-cells. Guanine Nucleotides 38-56 cell division cycle 42 Mus musculus 32-37 16714282-5 2006 Analyses of the Cav-1 scaffolding domain revealed a motif conserved in guanine nucleotide dissociation inhibitors (GDIs), which suggested a novel role for Cav-1 as a Cdc42 GDI in beta-cells. Guanine Nucleotides 71-89 caveolin 1, caveolae protein Mus musculus 16-21 16857012-6 2006 In addition, we show that recombinant septin 2 binds guanine nucleotides with a Kd of 0.28 microm for GTPgammaS and 1.75 microm for GDP. Guanine Nucleotides 53-72 septin 2 Homo sapiens 38-46 16714282-5 2006 Analyses of the Cav-1 scaffolding domain revealed a motif conserved in guanine nucleotide dissociation inhibitors (GDIs), which suggested a novel role for Cav-1 as a Cdc42 GDI in beta-cells. Guanine Nucleotides 71-89 caveolin 1, caveolae protein Mus musculus 155-160 16714282-5 2006 Analyses of the Cav-1 scaffolding domain revealed a motif conserved in guanine nucleotide dissociation inhibitors (GDIs), which suggested a novel role for Cav-1 as a Cdc42 GDI in beta-cells. Guanine Nucleotides 71-89 cell division cycle 42 Mus musculus 166-171 16763112-3 2006 We found that budding yeast Polo-like kinase Cdc5 controls the targeting and activation of Rho1 (RhoA) at the division site via Rho1 guanine nucleotide exchange factors. Guanine Nucleotides 133-151 polo kinase CDC5 Saccharomyces cerevisiae S288C 45-49 16763112-3 2006 We found that budding yeast Polo-like kinase Cdc5 controls the targeting and activation of Rho1 (RhoA) at the division site via Rho1 guanine nucleotide exchange factors. Guanine Nucleotides 133-151 Rho family GTPase RHO1 Saccharomyces cerevisiae S288C 91-95 16763112-3 2006 We found that budding yeast Polo-like kinase Cdc5 controls the targeting and activation of Rho1 (RhoA) at the division site via Rho1 guanine nucleotide exchange factors. Guanine Nucleotides 133-151 Rho family GTPase RHO1 Saccharomyces cerevisiae S288C 128-132 16644737-4 2006 Reduced Rab9 degradation was accompanied by stabilization on endosome membranes, as shown by a reduction in the capacity of Rab9 for guanine nucleotide dissociation inhibitor-mediated extraction from Niemann-Pick type C membranes. Guanine Nucleotides 133-151 RAB9A, member RAS oncogene family Homo sapiens 8-12 16684890-7 2006 The adaptor protein, Src homology 2 domain-containing leukocyte phosphoprotein of 76 kDa, which relays signals to downstream signaling components, also showed reduced phosphorylation, which correlated with reduced VAV guanine nucleotide exchange factors association. Guanine Nucleotides 218-236 vav guanine nucleotide exchange factor 1 Homo sapiens 214-217 16784226-8 2006 We showed that expression of the limit functional domain of Cdc42GAP inhibited Cdc42[F28L]-induced transformation, as well as selectively reversed the transformed phenotypes caused by the hyperactivation of wild-type Cdc42 in cells expressing the oncogenic version of Dbl (for Diffuse B cell lymphoma), a guanine nucleotide exchange factor for Cdc42 and the related Rac and Rho GTPases. Guanine Nucleotides 305-323 Rho GTPase activating protein 1 Mus musculus 60-68 16784226-8 2006 We showed that expression of the limit functional domain of Cdc42GAP inhibited Cdc42[F28L]-induced transformation, as well as selectively reversed the transformed phenotypes caused by the hyperactivation of wild-type Cdc42 in cells expressing the oncogenic version of Dbl (for Diffuse B cell lymphoma), a guanine nucleotide exchange factor for Cdc42 and the related Rac and Rho GTPases. Guanine Nucleotides 305-323 cell division cycle 42 Mus musculus 60-65 16784226-8 2006 We showed that expression of the limit functional domain of Cdc42GAP inhibited Cdc42[F28L]-induced transformation, as well as selectively reversed the transformed phenotypes caused by the hyperactivation of wild-type Cdc42 in cells expressing the oncogenic version of Dbl (for Diffuse B cell lymphoma), a guanine nucleotide exchange factor for Cdc42 and the related Rac and Rho GTPases. Guanine Nucleotides 305-323 cell division cycle 42 Mus musculus 79-84 16784226-8 2006 We showed that expression of the limit functional domain of Cdc42GAP inhibited Cdc42[F28L]-induced transformation, as well as selectively reversed the transformed phenotypes caused by the hyperactivation of wild-type Cdc42 in cells expressing the oncogenic version of Dbl (for Diffuse B cell lymphoma), a guanine nucleotide exchange factor for Cdc42 and the related Rac and Rho GTPases. Guanine Nucleotides 305-323 mcf.2 transforming sequence Mus musculus 268-271 16784226-8 2006 We showed that expression of the limit functional domain of Cdc42GAP inhibited Cdc42[F28L]-induced transformation, as well as selectively reversed the transformed phenotypes caused by the hyperactivation of wild-type Cdc42 in cells expressing the oncogenic version of Dbl (for Diffuse B cell lymphoma), a guanine nucleotide exchange factor for Cdc42 and the related Rac and Rho GTPases. Guanine Nucleotides 305-323 mcf.2 transforming sequence Mus musculus 277-300 16784226-8 2006 We showed that expression of the limit functional domain of Cdc42GAP inhibited Cdc42[F28L]-induced transformation, as well as selectively reversed the transformed phenotypes caused by the hyperactivation of wild-type Cdc42 in cells expressing the oncogenic version of Dbl (for Diffuse B cell lymphoma), a guanine nucleotide exchange factor for Cdc42 and the related Rac and Rho GTPases. Guanine Nucleotides 305-323 cell division cycle 42 Mus musculus 79-84 16644737-4 2006 Reduced Rab9 degradation was accompanied by stabilization on endosome membranes, as shown by a reduction in the capacity of Rab9 for guanine nucleotide dissociation inhibitor-mediated extraction from Niemann-Pick type C membranes. Guanine Nucleotides 133-151 RAB9A, member RAS oncogene family Homo sapiens 124-128 16731615-3 2006 The guanine nucleotide addition reaction catalyzed by Thg1 extends the polynucleotide chain in the reverse (3"-5") direction of other known polymerases, albeit by one nucleotide. Guanine Nucleotides 4-22 tRNA guanylyltransferase Saccharomyces cerevisiae S288C 54-58 16597700-2 2006 Solubility in the cytosol is conferred by binding of Rac to guanine-nucleotide dissociation inhibitors (GDIs). Guanine Nucleotides 60-78 AKT serine/threonine kinase 1 Homo sapiens 53-56 16778203-1 2006 The epithelial cell transforming sequence 2 (ECT2), a member of the Dbl family of guanine nucleotide exchange factor for Rho GTPases, is required for cytokinesis. Guanine Nucleotides 82-100 epithelial cell transforming 2 Homo sapiens 4-43 16778203-1 2006 The epithelial cell transforming sequence 2 (ECT2), a member of the Dbl family of guanine nucleotide exchange factor for Rho GTPases, is required for cytokinesis. Guanine Nucleotides 82-100 epithelial cell transforming 2 Homo sapiens 45-49 16434554-7 2006 This is accompanied by inhibition of activity of the guanine nucleotide exchange factor eIF2B that is responsible for GDP-GTP exchange on eIF2. Guanine Nucleotides 53-71 eukaryotic translation initiation factor 2B subunit delta Homo sapiens 88-93 16434554-7 2006 This is accompanied by inhibition of activity of the guanine nucleotide exchange factor eIF2B that is responsible for GDP-GTP exchange on eIF2. Guanine Nucleotides 53-71 eukaryotic translation initiation factor 2 subunit beta Homo sapiens 88-92 17090539-2 2007 In Saccharomyces cerevisiae, the Rho-type small GTPase Cdc42 is activated by its guanine-nucleotide exchange factor Cdc24 to polarize the cell for budding and mating. Guanine Nucleotides 81-99 Rho family GTPase CDC42 Saccharomyces cerevisiae S288C 55-60 17090539-2 2007 In Saccharomyces cerevisiae, the Rho-type small GTPase Cdc42 is activated by its guanine-nucleotide exchange factor Cdc24 to polarize the cell for budding and mating. Guanine Nucleotides 81-99 Rho family guanine nucleotide exchange factor CDC24 Saccharomyces cerevisiae S288C 116-121 16629901-7 2006 Moreover, this enhancement on ERK activation and the guanine nucleotide exchange activity of Ric-8A for Galphaq were inhibited by Gq selective inhibitor YM-254890. Guanine Nucleotides 53-71 RIC8 guanine nucleotide exchange factor A Homo sapiens 93-99 16625026-1 2006 All eukaryotic tRNA(His) molecules are unique among tRNA species because they require addition of a guanine nucleotide at the -1 position by tRNA(His) guanylyltransferase, encoded in yeast by THG1. Guanine Nucleotides 100-118 tRNA guanylyltransferase Saccharomyces cerevisiae S288C 192-196 16687250-2 2006 At least some can also influence Galpha activity through either effector antagonism or by acting as guanine nucleotide dissociation inhibitors (GDIs). Guanine Nucleotides 100-118 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 33-39 16616186-0 2006 The crystal structure of Cdc42 in complex with collybistin II, a gephyrin-interacting guanine nucleotide exchange factor. Guanine Nucleotides 86-104 cell division cycle 42 Homo sapiens 25-30 16616186-0 2006 The crystal structure of Cdc42 in complex with collybistin II, a gephyrin-interacting guanine nucleotide exchange factor. Guanine Nucleotides 86-104 Cdc42 guanine nucleotide exchange factor 9 Homo sapiens 47-58 16616186-0 2006 The crystal structure of Cdc42 in complex with collybistin II, a gephyrin-interacting guanine nucleotide exchange factor. Guanine Nucleotides 86-104 gephyrin Homo sapiens 65-73 16616186-5 2006 Collybistin belongs to the Dbl family of guanine nucleotide exchange factors, occurs in multiple splice variants, and is specific for Cdc42, a small GTPase belonging to the Rho family. Guanine Nucleotides 41-59 Cdc42 guanine nucleotide exchange factor 9 Homo sapiens 0-11 16580637-2 2006 In the present study, to identify the interacting proteins of Oog1, we performed a yeast two-hybrid screening using a GV-oocyte cDNA library and found that Ral guanine nucleotide dissociation stimulator (RalGDS) is the binding partner of Oog1. Guanine Nucleotides 160-178 RAS like proto-oncogene A Homo sapiens 156-159 16580637-2 2006 In the present study, to identify the interacting proteins of Oog1, we performed a yeast two-hybrid screening using a GV-oocyte cDNA library and found that Ral guanine nucleotide dissociation stimulator (RalGDS) is the binding partner of Oog1. Guanine Nucleotides 160-178 ral guanine nucleotide dissociation stimulator Homo sapiens 204-210 16484220-1 2006 ARNO is a guanine-nucleotide exchange protein for the ARF family of GTPases. Guanine Nucleotides 10-28 cytohesin 2 Homo sapiens 0-4 16629901-7 2006 Moreover, this enhancement on ERK activation and the guanine nucleotide exchange activity of Ric-8A for Galphaq were inhibited by Gq selective inhibitor YM-254890. Guanine Nucleotides 53-71 G protein subunit alpha q Homo sapiens 104-111 16582624-7 2006 Moreover, the in vivo rate of eIF2 shuttling correlates with changes in guanine nucleotide exchange activity implicating this large cytoplasmic focus as a site of guanine nucleotide exchange. Guanine Nucleotides 72-90 eukaryotic translation initiation factor 2 subunit beta Homo sapiens 30-34 16648489-7 2006 Correspondingly, expression of constitutively active versions of these effectors confirmed the overriding importance of Ral guanine nucleotide exchange factors. Guanine Nucleotides 124-142 v-ral simian leukemia viral oncogene A (ras related) Mus musculus 120-123 16527308-2 2006 The direct interaction of PAKs with guanine nucleotide exchange factors from the PIX/Cool family, which is responsible for the localization of PAK kinases to focal complexes in the cell, is mediated by a 24-residue peptide segment in PAKs and an N-terminal src homology 3 (SH3) domain in PIX/Cool. Guanine Nucleotides 36-54 p21 (RAC1) activated kinase 2 Homo sapiens 26-29 16527308-2 2006 The direct interaction of PAKs with guanine nucleotide exchange factors from the PIX/Cool family, which is responsible for the localization of PAK kinases to focal complexes in the cell, is mediated by a 24-residue peptide segment in PAKs and an N-terminal src homology 3 (SH3) domain in PIX/Cool. Guanine Nucleotides 36-54 SRC proto-oncogene, non-receptor tyrosine kinase Homo sapiens 257-260 16500620-1 2006 Recently, the truncated TrkB receptor, T1, has been reported to be involved in the control of cell morphology via the regulation of Rho proteins, through which T1 binds Rho guanine nucleotide dissociation inhibitor (Rho GDI) 1 and dissociates it in a brain-derived neurotrophic factor (BDNF)-dependent manner. Guanine Nucleotides 173-191 neurotrophic receptor tyrosine kinase 2 Rattus norvegicus 24-28 16500620-1 2006 Recently, the truncated TrkB receptor, T1, has been reported to be involved in the control of cell morphology via the regulation of Rho proteins, through which T1 binds Rho guanine nucleotide dissociation inhibitor (Rho GDI) 1 and dissociates it in a brain-derived neurotrophic factor (BDNF)-dependent manner. Guanine Nucleotides 173-191 Rho GDP dissociation inhibitor alpha Rattus norvegicus 216-226 16500620-1 2006 Recently, the truncated TrkB receptor, T1, has been reported to be involved in the control of cell morphology via the regulation of Rho proteins, through which T1 binds Rho guanine nucleotide dissociation inhibitor (Rho GDI) 1 and dissociates it in a brain-derived neurotrophic factor (BDNF)-dependent manner. Guanine Nucleotides 173-191 brain-derived neurotrophic factor Rattus norvegicus 251-284 16500620-1 2006 Recently, the truncated TrkB receptor, T1, has been reported to be involved in the control of cell morphology via the regulation of Rho proteins, through which T1 binds Rho guanine nucleotide dissociation inhibitor (Rho GDI) 1 and dissociates it in a brain-derived neurotrophic factor (BDNF)-dependent manner. Guanine Nucleotides 173-191 brain-derived neurotrophic factor Rattus norvegicus 286-290 16378743-6 2006 Eukaryotic translation initiation factor 2B (eIF2B) mutations cause a decrease in guanine nucleotide exchange activity on eIF2-GDP, resulting in increased susceptibility to stress and enhanced ATF4 expression during endoplasmic reticulum stress. Guanine Nucleotides 82-100 eukaryotic translation initiation factor 2B subunit delta Homo sapiens 0-43 16378743-6 2006 Eukaryotic translation initiation factor 2B (eIF2B) mutations cause a decrease in guanine nucleotide exchange activity on eIF2-GDP, resulting in increased susceptibility to stress and enhanced ATF4 expression during endoplasmic reticulum stress. Guanine Nucleotides 82-100 eukaryotic translation initiation factor 2B subunit delta Homo sapiens 45-50 16378743-6 2006 Eukaryotic translation initiation factor 2B (eIF2B) mutations cause a decrease in guanine nucleotide exchange activity on eIF2-GDP, resulting in increased susceptibility to stress and enhanced ATF4 expression during endoplasmic reticulum stress. Guanine Nucleotides 82-100 eukaryotic translation initiation factor 2 subunit beta Homo sapiens 45-49 16378743-6 2006 Eukaryotic translation initiation factor 2B (eIF2B) mutations cause a decrease in guanine nucleotide exchange activity on eIF2-GDP, resulting in increased susceptibility to stress and enhanced ATF4 expression during endoplasmic reticulum stress. Guanine Nucleotides 82-100 activating transcription factor 4 Homo sapiens 193-197 16582624-7 2006 Moreover, the in vivo rate of eIF2 shuttling correlates with changes in guanine nucleotide exchange activity implicating this large cytoplasmic focus as a site of guanine nucleotide exchange. Guanine Nucleotides 163-181 eukaryotic translation initiation factor 2 subunit beta Homo sapiens 30-34 16525121-2 2006 Rab5 is regulated by VPS9-domain-containing guanine nucleotide exchange factors. Guanine Nucleotides 44-62 RAB5A, member RAS oncogene family Homo sapiens 0-4 16337026-1 2006 Alpha and betaPIX belong to the group of guanine nucleotide exchange factors (GEFs) that mediate activation of members of the Rho GTPase family, in particular Rac1 and Cdc42, by stimulating the exchange of GDP for GTP. Guanine Nucleotides 41-59 Rho guanine nucleotide exchange factor 7 Homo sapiens 10-17 16337026-1 2006 Alpha and betaPIX belong to the group of guanine nucleotide exchange factors (GEFs) that mediate activation of members of the Rho GTPase family, in particular Rac1 and Cdc42, by stimulating the exchange of GDP for GTP. Guanine Nucleotides 41-59 Rac family small GTPase 1 Homo sapiens 159-163 16337026-1 2006 Alpha and betaPIX belong to the group of guanine nucleotide exchange factors (GEFs) that mediate activation of members of the Rho GTPase family, in particular Rac1 and Cdc42, by stimulating the exchange of GDP for GTP. Guanine Nucleotides 41-59 cell division cycle 42 Homo sapiens 168-173 16630046-8 2006 The activation of RhoA by L-glutamate was partly through the up-regulation of guanine nucleotide exchange factor phosphorylation and was abrogated by competitive nonsubstrate inhibitors. Guanine Nucleotides 78-96 ras homolog family member A Homo sapiens 18-22 16525121-4 2006 Varp interacts preferentially with GDP-bound Rab21 and has a much stronger guanine nucleotide exchange activity towards Rab21 than Rab5. Guanine Nucleotides 75-93 ankyrin repeat domain 27 Homo sapiens 0-4 16525121-4 2006 Varp interacts preferentially with GDP-bound Rab21 and has a much stronger guanine nucleotide exchange activity towards Rab21 than Rab5. Guanine Nucleotides 75-93 RAB21, member RAS oncogene family Homo sapiens 120-125 16415107-6 2006 S-glutathiolation also promoted guanine nucleotide exchange of recombinant p21ras. Guanine Nucleotides 32-50 HRas proto-oncogene, GTPase Homo sapiens 75-81 16234258-0 2006 Association of genetic variants in the Rho guanine nucleotide exchange factor AKAP13 with familial breast cancer. Guanine Nucleotides 43-61 A-kinase anchoring protein 13 Homo sapiens 78-84 16234258-1 2006 The A-kinase anchor protein 13 (AKAP13, alias BRX and lbc) tethers cAMP-dependent protein kinase to its subcellular environment and catalyses Rho GTPases activity as a guanine nucleotide exchange factor. Guanine Nucleotides 168-186 A-kinase anchoring protein 13 Homo sapiens 4-30 16234258-1 2006 The A-kinase anchor protein 13 (AKAP13, alias BRX and lbc) tethers cAMP-dependent protein kinase to its subcellular environment and catalyses Rho GTPases activity as a guanine nucleotide exchange factor. Guanine Nucleotides 168-186 A-kinase anchoring protein 13 Homo sapiens 32-38 16234258-1 2006 The A-kinase anchor protein 13 (AKAP13, alias BRX and lbc) tethers cAMP-dependent protein kinase to its subcellular environment and catalyses Rho GTPases activity as a guanine nucleotide exchange factor. Guanine Nucleotides 168-186 cysteine rich hydrophobic domain 1 Homo sapiens 46-49 16507992-3 2006 PKA-independent activation of Rap1 by cAMP is mediated by direct binding of cAMP to Rap1-guanine nucleotide exchange factors (Rap1-GEFs) Epac1 (exchange protein directly activated by cAMP 1) and Epac2 (Epac1 and Epac2 are also called cAMP-GEFI and -GEFII). Guanine Nucleotides 89-107 RAP1A, member of RAS oncogene family Homo sapiens 30-34 16507992-3 2006 PKA-independent activation of Rap1 by cAMP is mediated by direct binding of cAMP to Rap1-guanine nucleotide exchange factors (Rap1-GEFs) Epac1 (exchange protein directly activated by cAMP 1) and Epac2 (Epac1 and Epac2 are also called cAMP-GEFI and -GEFII). Guanine Nucleotides 89-107 RAP1A, member of RAS oncogene family Homo sapiens 84-88 16507992-3 2006 PKA-independent activation of Rap1 by cAMP is mediated by direct binding of cAMP to Rap1-guanine nucleotide exchange factors (Rap1-GEFs) Epac1 (exchange protein directly activated by cAMP 1) and Epac2 (Epac1 and Epac2 are also called cAMP-GEFI and -GEFII). Guanine Nucleotides 89-107 RAP1A, member of RAS oncogene family Homo sapiens 84-88 16507992-3 2006 PKA-independent activation of Rap1 by cAMP is mediated by direct binding of cAMP to Rap1-guanine nucleotide exchange factors (Rap1-GEFs) Epac1 (exchange protein directly activated by cAMP 1) and Epac2 (Epac1 and Epac2 are also called cAMP-GEFI and -GEFII). Guanine Nucleotides 89-107 Rap guanine nucleotide exchange factor 3 Homo sapiens 137-142 16507992-3 2006 PKA-independent activation of Rap1 by cAMP is mediated by direct binding of cAMP to Rap1-guanine nucleotide exchange factors (Rap1-GEFs) Epac1 (exchange protein directly activated by cAMP 1) and Epac2 (Epac1 and Epac2 are also called cAMP-GEFI and -GEFII). Guanine Nucleotides 89-107 Rap guanine nucleotide exchange factor 3 Homo sapiens 144-189 16507992-3 2006 PKA-independent activation of Rap1 by cAMP is mediated by direct binding of cAMP to Rap1-guanine nucleotide exchange factors (Rap1-GEFs) Epac1 (exchange protein directly activated by cAMP 1) and Epac2 (Epac1 and Epac2 are also called cAMP-GEFI and -GEFII). Guanine Nucleotides 89-107 Rap guanine nucleotide exchange factor 4 Homo sapiens 195-200 16507992-3 2006 PKA-independent activation of Rap1 by cAMP is mediated by direct binding of cAMP to Rap1-guanine nucleotide exchange factors (Rap1-GEFs) Epac1 (exchange protein directly activated by cAMP 1) and Epac2 (Epac1 and Epac2 are also called cAMP-GEFI and -GEFII). Guanine Nucleotides 89-107 Rap guanine nucleotide exchange factor 3 Homo sapiens 202-207 16507992-3 2006 PKA-independent activation of Rap1 by cAMP is mediated by direct binding of cAMP to Rap1-guanine nucleotide exchange factors (Rap1-GEFs) Epac1 (exchange protein directly activated by cAMP 1) and Epac2 (Epac1 and Epac2 are also called cAMP-GEFI and -GEFII). Guanine Nucleotides 89-107 Rap guanine nucleotide exchange factor 4 Homo sapiens 212-217 16407276-1 2006 Rabex-5, the mammalian orthologue of yeast Vps9p, is a guanine nucleotide exchange factor for Rab5. Guanine Nucleotides 55-73 RAB guanine nucleotide exchange factor 1 Homo sapiens 0-7 16407276-1 2006 Rabex-5, the mammalian orthologue of yeast Vps9p, is a guanine nucleotide exchange factor for Rab5. Guanine Nucleotides 55-73 guanine nucleotide exchange factor VPS9 Saccharomyces cerevisiae S288C 43-48 16213650-11 2006 This work demonstrates that Rap2C is a new member of the Rap2 subfamily of proteins, able to bind guanine nucleotides with peculiar properties, and differently expressed by various hematopoietic subsets. Guanine Nucleotides 98-117 RAP2C, member of RAS oncogene family Homo sapiens 28-33 16213650-11 2006 This work demonstrates that Rap2C is a new member of the Rap2 subfamily of proteins, able to bind guanine nucleotides with peculiar properties, and differently expressed by various hematopoietic subsets. Guanine Nucleotides 98-117 RAP2A, member of RAS oncogene family Homo sapiens 28-32 16507992-1 2006 Like other small G proteins of the Ras superfamily, Rap1 is activated by distinct guanine nucleotide exchange factors (GEFs) in response to different signals to elicit cellular responses. Guanine Nucleotides 82-100 RAP1A, member of RAS oncogene family Homo sapiens 52-56 16410077-4 2006 We show that the Vps9 domain is sufficient for the interaction of RAP6 with GDP-bound Rab5 and that RAP6 stimulates Rab5 guanine nucleotide exchange. Guanine Nucleotides 121-139 GTPase activating protein and VPS9 domains 1 Homo sapiens 100-104 16410077-4 2006 We show that the Vps9 domain is sufficient for the interaction of RAP6 with GDP-bound Rab5 and that RAP6 stimulates Rab5 guanine nucleotide exchange. Guanine Nucleotides 121-139 RAB5A, member RAS oncogene family Homo sapiens 116-120 16309856-6 2006 One is a novel protein, a rat version of Purbeta that binds to a guanine nucleotide pair at -145 and -144 to modulate constitutive galectin-3 gene transcription. Guanine Nucleotides 65-83 purine rich element binding protein B Rattus norvegicus 41-48 16246175-2 2006 RGS14 accelerates GTP hydrolysis by G(ialpha) family members through its RGS domain and suppresses guanine nucleotide dissociation from G(ialpha1) and G(ialpha3) subunits through its C-terminal GoLoco domain. Guanine Nucleotides 99-117 regulator of G protein signaling 14 Homo sapiens 0-5 16246175-2 2006 RGS14 accelerates GTP hydrolysis by G(ialpha) family members through its RGS domain and suppresses guanine nucleotide dissociation from G(ialpha1) and G(ialpha3) subunits through its C-terminal GoLoco domain. Guanine Nucleotides 99-117 paired like homeodomain 2 Homo sapiens 0-3 16316996-1 2006 Epac-1 and -2 (exchange proteins directly activated by cyclic AMP) are guanine-nucleotide exchange factors for the GTPases Rap1 and -2. Guanine Nucleotides 71-89 Rap guanine nucleotide exchange factor 3 Homo sapiens 0-13 16316996-1 2006 Epac-1 and -2 (exchange proteins directly activated by cyclic AMP) are guanine-nucleotide exchange factors for the GTPases Rap1 and -2. Guanine Nucleotides 71-89 RAP1A, member of RAS oncogene family Homo sapiens 123-134 16309856-6 2006 One is a novel protein, a rat version of Purbeta that binds to a guanine nucleotide pair at -145 and -144 to modulate constitutive galectin-3 gene transcription. Guanine Nucleotides 65-83 galectin 3 Rattus norvegicus 131-141 16452216-1 2006 EFA6A, or Pleckstrin and Sec7 domain protein, is a member of guanine nucleotide exchange factors for ADP ribosylation factor 6 (ARF6). Guanine Nucleotides 61-79 pleckstrin and Sec7 domain containing Homo sapiens 0-5 16411892-4 2006 This review will outline the RhoA/Rho-kinase signalling pathway, including the upstream regulators, guanine nucleotide exchange factors, GDP dissociation inhibitors and GTPase-activating proteins. Guanine Nucleotides 100-118 ras homolog family member A Homo sapiens 29-33 16321985-1 2006 ALS2/alsin is a member of guanine nucleotide exchange factors for the small GTPase Rab5 (Rab5GEFs), which act as modulators in endocytic pathway. Guanine Nucleotides 26-44 alsin Rho guanine nucleotide exchange factor Mus musculus 0-4 16449645-6 2006 Inactivation of the Ran guanine nucleotide exchange factor RCC1 inhibited Smad3 export and led to nuclear accumulation of phosphorylated Smad3. Guanine Nucleotides 24-42 RAN, member RAS oncogene family Homo sapiens 20-23 16449645-6 2006 Inactivation of the Ran guanine nucleotide exchange factor RCC1 inhibited Smad3 export and led to nuclear accumulation of phosphorylated Smad3. Guanine Nucleotides 24-42 regulator of chromosome condensation 1 Homo sapiens 59-63 16449645-6 2006 Inactivation of the Ran guanine nucleotide exchange factor RCC1 inhibited Smad3 export and led to nuclear accumulation of phosphorylated Smad3. Guanine Nucleotides 24-42 SMAD family member 3 Homo sapiens 74-79 16449645-6 2006 Inactivation of the Ran guanine nucleotide exchange factor RCC1 inhibited Smad3 export and led to nuclear accumulation of phosphorylated Smad3. Guanine Nucleotides 24-42 SMAD family member 3 Homo sapiens 137-142 16301321-3 2006 We examined which of the multiple G protein alpha and betagamma subunits activate P-Rex1-mediated Rac guanine nucleotide exchange using pure, recombinant proteins reconstituted into synthetic lipid vesicles. Guanine Nucleotides 102-120 phosphatidylinositol-3,4,5-trisphosphate dependent Rac exchange factor 1 Homo sapiens 82-88 16452216-1 2006 EFA6A, or Pleckstrin and Sec7 domain protein, is a member of guanine nucleotide exchange factors for ADP ribosylation factor 6 (ARF6). Guanine Nucleotides 61-79 pleckstrin Homo sapiens 10-20 16452216-1 2006 EFA6A, or Pleckstrin and Sec7 domain protein, is a member of guanine nucleotide exchange factors for ADP ribosylation factor 6 (ARF6). Guanine Nucleotides 61-79 ADP ribosylation factor 6 Homo sapiens 101-126 16452216-1 2006 EFA6A, or Pleckstrin and Sec7 domain protein, is a member of guanine nucleotide exchange factors for ADP ribosylation factor 6 (ARF6). Guanine Nucleotides 61-79 ADP ribosylation factor 6 Homo sapiens 128-132 16301320-5 2006 Phosphorylation of P-Rex1 with protein kinase A (PKA) inhibits the PIP(3)- and Gbetagamma-stimulated P-Rex1 guanine nucleotide exchange activity on Rac. Guanine Nucleotides 108-126 phosphatidylinositol-3,4,5-trisphosphate dependent Rac exchange factor 1 Homo sapiens 19-25 16301320-5 2006 Phosphorylation of P-Rex1 with protein kinase A (PKA) inhibits the PIP(3)- and Gbetagamma-stimulated P-Rex1 guanine nucleotide exchange activity on Rac. Guanine Nucleotides 108-126 phosphatidylinositol-3,4,5-trisphosphate dependent Rac exchange factor 1 Homo sapiens 101-107 16301320-5 2006 Phosphorylation of P-Rex1 with protein kinase A (PKA) inhibits the PIP(3)- and Gbetagamma-stimulated P-Rex1 guanine nucleotide exchange activity on Rac. Guanine Nucleotides 108-126 AKT serine/threonine kinase 1 Homo sapiens 148-151 16321985-1 2006 ALS2/alsin is a member of guanine nucleotide exchange factors for the small GTPase Rab5 (Rab5GEFs), which act as modulators in endocytic pathway. Guanine Nucleotides 26-44 alsin Rho guanine nucleotide exchange factor Mus musculus 5-10 16154268-1 2006 Activator of G protein signaling 3 (AGS3) is a guanine nucleotide dissociation inhibitor (GDI) to heterotrimeric G proteins of the Galphai/o class. Guanine Nucleotides 47-65 G-protein signaling modulator 1 Rattus norvegicus 0-34 16154268-1 2006 Activator of G protein signaling 3 (AGS3) is a guanine nucleotide dissociation inhibitor (GDI) to heterotrimeric G proteins of the Galphai/o class. Guanine Nucleotides 47-65 G-protein signaling modulator 1 Rattus norvegicus 36-40 16757313-6 2006 The second involves the measurement of Rheb-associated guanine nucleotides as measure of TSC2 GAP activity on Rheb in vivo. Guanine Nucleotides 55-74 Ras homolog, mTORC1 binding Homo sapiens 39-43 17111235-1 2006 Rho guanine nucleotide dissociation inhibitors (RhoGDIs) regulate the activity of Rho family GTPases. Guanine Nucleotides 4-22 Rho GDP dissociation inhibitor beta Homo sapiens 48-55 16397238-4 2006 Vav proteins are guanine-nucleotide exchange factors for Rho GTPases that regulate actin dynamics and gene expression. Guanine Nucleotides 17-35 vav guanine nucleotide exchange factor 1 Homo sapiens 0-3 16472651-5 2006 Such dissociation would likely be tightly coupled to GEF-mediated guanine nucleotide exchange and membrane association of the activated GTPase, resulting in effector binding and functional responses. Guanine Nucleotides 66-84 Rho/Rac guanine nucleotide exchange factor 2 Homo sapiens 53-56 16472676-3 2006 Smurf1 interacts with the dominant inactive form of RhoA, RhoA N19, which binds constitutively to guanine nucleotide exchange factors (GEFs) in vivo. Guanine Nucleotides 98-116 SMAD specific E3 ubiquitin protein ligase 1 Homo sapiens 0-6 16757313-6 2006 The second involves the measurement of Rheb-associated guanine nucleotides as measure of TSC2 GAP activity on Rheb in vivo. Guanine Nucleotides 55-74 TSC complex subunit 2 Homo sapiens 89-93 16472676-3 2006 Smurf1 interacts with the dominant inactive form of RhoA, RhoA N19, which binds constitutively to guanine nucleotide exchange factors (GEFs) in vivo. Guanine Nucleotides 98-116 ras homolog family member A Homo sapiens 52-56 16472676-3 2006 Smurf1 interacts with the dominant inactive form of RhoA, RhoA N19, which binds constitutively to guanine nucleotide exchange factors (GEFs) in vivo. Guanine Nucleotides 98-116 ras homolog family member A Homo sapiens 58-62 16757323-1 2006 PDZ-GEFs represent one of four types of highly conserved Rap-specific guanine nucleotide exchange factors. Guanine Nucleotides 70-88 LDL receptor related protein associated protein 1 Homo sapiens 57-60 16757313-6 2006 The second involves the measurement of Rheb-associated guanine nucleotides as measure of TSC2 GAP activity on Rheb in vivo. Guanine Nucleotides 55-74 Ras homolog, mTORC1 binding Homo sapiens 110-114 16757319-3 2006 The RalGDS-related (Rgr) oncogene belongs to the RalGDS family of guanine nucleotide exchange factors (GEFs). Guanine Nucleotides 66-84 ral guanine nucleotide dissociation stimulator Homo sapiens 4-10 16757332-3 2006 PLCepsilon also contains a CDC25 homology domain, which enhances guanine nucleotide exchange on Rap1. Guanine Nucleotides 65-83 cell division cycle 25C Homo sapiens 27-32 16757332-3 2006 PLCepsilon also contains a CDC25 homology domain, which enhances guanine nucleotide exchange on Rap1. Guanine Nucleotides 65-83 RAP1A, member of RAS oncogene family Homo sapiens 96-100 16757319-3 2006 The RalGDS-related (Rgr) oncogene belongs to the RalGDS family of guanine nucleotide exchange factors (GEFs). Guanine Nucleotides 66-84 ral guanine nucleotide dissociation stimulator Homo sapiens 49-55 16914449-7 2006 The guanine nucleotide binding properties of eRF3 and of the eRF3*eRF1 complex profoundly differ from those of prokaryotic RF3. Guanine Nucleotides 4-22 eukaryotic translation termination factor 1 Homo sapiens 66-70 15957163-3 2005 A single nucleotide polymorphism has been described in the matrix metalloproteinase-1 (MMP-1) promoter that consists of either the presence or absence of a guanine nucleotide at position -1607. Guanine Nucleotides 156-174 matrix metallopeptidase 1 Homo sapiens 59-85 15957163-3 2005 A single nucleotide polymorphism has been described in the matrix metalloproteinase-1 (MMP-1) promoter that consists of either the presence or absence of a guanine nucleotide at position -1607. Guanine Nucleotides 156-174 matrix metallopeptidase 1 Homo sapiens 87-92 16246094-0 2005 Arf, Sec7 and Brefeldin A: a model towards the therapeutic inhibition of guanine nucleotide-exchange factors. Guanine Nucleotides 73-91 cytohesin 1 Homo sapiens 5-9 16293724-2 2005 We show that PGE2 stimulates colon cancer cell growth through its heterotrimeric guanine nucleotide-binding protein (G protein)-coupled receptor, EP2, by a signaling route that involves the activation of phosphoinositide 3-kinase and the protein kinase Akt by free G protein betagamma subunits and the direct association of the G protein alphas subunit with the regulator of G protein signaling (RGS) domain of axin. Guanine Nucleotides 81-99 prostaglandin E receptor 2 Homo sapiens 146-149 16293244-7 2005 The Y1 binding of neuropeptide Y was also less sensitive to chaotropic agents and guanine nucleotides than the binding of peptide YY, indicating a larger stability for association of neuropeptide Y with the receptor. Guanine Nucleotides 82-101 neuropeptide Y Homo sapiens 18-32 16306222-8 2005 Consistent with this, deletion of the ROM2 gene, which encodes a major Rho1p guanine-nucleotide exchange factor, bypassed the lethal effect of PtdIns(3)P accumulation in ymr1Delta sjl2Delta sjl3Delta triple-mutant cells. Guanine Nucleotides 77-95 Rho family guanine nucleotide exchange factor ROM2 Saccharomyces cerevisiae S288C 38-42 16306222-8 2005 Consistent with this, deletion of the ROM2 gene, which encodes a major Rho1p guanine-nucleotide exchange factor, bypassed the lethal effect of PtdIns(3)P accumulation in ymr1Delta sjl2Delta sjl3Delta triple-mutant cells. Guanine Nucleotides 77-95 Rho family GTPase RHO1 Saccharomyces cerevisiae S288C 71-76 16284308-7 2005 However, PHF1 lacks most of the conserved residues in SEC12 proteins essential as guanine nucleotide exchange factors. Guanine Nucleotides 82-100 phosphate transporter traffic facilitator1 Arabidopsis thaliana 9-13 16170304-3 2005 ect-2 encodes the Caenorhabditis elegans orthologue of the mouse Ect2 and Drosophila Pebble that function as guanine nucleotide exchange factors (GEFs) for Rho GTPases. Guanine Nucleotides 109-127 ECT2 (mammalian Rho GEF) homolog Caenorhabditis elegans 0-5 16170304-3 2005 ect-2 encodes the Caenorhabditis elegans orthologue of the mouse Ect2 and Drosophila Pebble that function as guanine nucleotide exchange factors (GEFs) for Rho GTPases. Guanine Nucleotides 109-127 ect2 oncogene Mus musculus 65-69 16314529-0 2005 Modulation of muscle regeneration, myogenesis, and adipogenesis by the Rho family guanine nucleotide exchange factor GEFT. Guanine Nucleotides 82-100 Rho guanine nucleotide exchange factor (GEF) 25 Mus musculus 117-121 16082709-1 2005 The regulator of G-protein signaling (RGS) and RGS-like proteins are a diverse family of over 30 molecules that function as GTPase activating proteins for Galpha subunits of the Gq and Gi families of heterotrimeric guanine nucleotide-binding proteins (G proteins). Guanine Nucleotides 215-233 paired like homeodomain 2 Homo sapiens 38-41 16186116-7 2005 Here we show that mutation of the RGD sequence to RGE in the human P2Y(2)R expressed in 1321N1 astrocytoma cells completely prevented UTP-induced chemotaxis as well as activation of G(o), Rac, and Vav2, a guanine nucleotide exchange factor for Rac. Guanine Nucleotides 205-223 purinergic receptor P2Y2 Homo sapiens 67-74 16129667-3 2005 Here, we show that ChiT can be functionally reconstituted with G(betagamma) as assessed by aluminum fluoride-dependent changes in intrinsic tryptophan fluorescence and light-activated rhodopsin-catalyzed guanine nucleotide exchange. Guanine Nucleotides 204-222 chitinase 1 Homo sapiens 19-23 16129667-3 2005 Here, we show that ChiT can be functionally reconstituted with G(betagamma) as assessed by aluminum fluoride-dependent changes in intrinsic tryptophan fluorescence and light-activated rhodopsin-catalyzed guanine nucleotide exchange. Guanine Nucleotides 204-222 rhodopsin Homo sapiens 184-193 16082709-1 2005 The regulator of G-protein signaling (RGS) and RGS-like proteins are a diverse family of over 30 molecules that function as GTPase activating proteins for Galpha subunits of the Gq and Gi families of heterotrimeric guanine nucleotide-binding proteins (G proteins). Guanine Nucleotides 215-233 paired like homeodomain 2 Homo sapiens 47-50 16137676-1 2005 Vav family proteins act as guanine nucleotide exchange factors for Rho family proteins, which are known to orchestrate cytoskeletal changes and cell migration in response to extracellular stimuli. Guanine Nucleotides 27-45 vav 1 oncogene Mus musculus 0-3 16248653-1 2005 A computational study was performed on the Mg(2+)-free conformations of the small guanine nucleotide-binding proteins (GNBPs): Ras, Rho, Rab, Arf, and Ran, which were complexed with GDP. Guanine Nucleotides 82-100 RAN, member RAS oncogene family Homo sapiens 151-154 15954862-9 2005 Guanine nucleotides quenched fluorescence emission from a truncated (DeltaPRD) mutant dynamin-1 to the same extent as in the full-length protein, suggesting conformational coupling between the G (groove)-domain and the PH domain. Guanine Nucleotides 0-19 dynamin 1 Homo sapiens 86-95 16228010-3 2005 We establish here that Ric-8, which belongs to a family of guanine nucleotide-exchange factors for Galphai, regulates cortical localization of the subunits Galphai and Gbeta13F. Guanine Nucleotides 59-77 G protein beta-subunit 13F Drosophila melanogaster 168-176 16201754-2 2005 Guanine nucleotide exchange factors of the Dbl family activate Cdc42 and other Rho GTPases by catalyzing the removal of bound GDP, allowing for GTP loading, and subsequent effector recognition ultimately leading to downstream signaling events. Guanine Nucleotides 0-18 MCF.2 cell line derived transforming sequence Homo sapiens 43-46 16182283-2 2005 E3b1 is a regulator of Rac because it can form a complex with Sos-1 and eps8, and such a Sos-1-e3B1-eps8 complex serves as a guanine nucleotide exchange factor for Rac. Guanine Nucleotides 125-143 abl interactor 1 Mus musculus 0-4 16182283-2 2005 E3b1 is a regulator of Rac because it can form a complex with Sos-1 and eps8, and such a Sos-1-e3B1-eps8 complex serves as a guanine nucleotide exchange factor for Rac. Guanine Nucleotides 125-143 thymoma viral proto-oncogene 1 Mus musculus 23-26 16182283-2 2005 E3b1 is a regulator of Rac because it can form a complex with Sos-1 and eps8, and such a Sos-1-e3B1-eps8 complex serves as a guanine nucleotide exchange factor for Rac. Guanine Nucleotides 125-143 epidermal growth factor receptor pathway substrate 8 Mus musculus 72-76 16182283-2 2005 E3b1 is a regulator of Rac because it can form a complex with Sos-1 and eps8, and such a Sos-1-e3B1-eps8 complex serves as a guanine nucleotide exchange factor for Rac. Guanine Nucleotides 125-143 SOS Ras/Rac guanine nucleotide exchange factor 1 Mus musculus 89-94 16182283-2 2005 E3b1 is a regulator of Rac because it can form a complex with Sos-1 and eps8, and such a Sos-1-e3B1-eps8 complex serves as a guanine nucleotide exchange factor for Rac. Guanine Nucleotides 125-143 abl interactor 1 Mus musculus 95-99 16182283-2 2005 E3b1 is a regulator of Rac because it can form a complex with Sos-1 and eps8, and such a Sos-1-e3B1-eps8 complex serves as a guanine nucleotide exchange factor for Rac. Guanine Nucleotides 125-143 epidermal growth factor receptor pathway substrate 8 Mus musculus 100-104 16182283-2 2005 E3b1 is a regulator of Rac because it can form a complex with Sos-1 and eps8, and such a Sos-1-e3B1-eps8 complex serves as a guanine nucleotide exchange factor for Rac. Guanine Nucleotides 125-143 thymoma viral proto-oncogene 1 Mus musculus 164-167 16243026-3 2005 Recent studies have led to the discovery of GPCR-independent activation of Galpha subunits by the guanine nucleotide exchange factor RIC-8 in both asymmetric cell division and synaptic vesicle priming in metazoan organisms. Guanine Nucleotides 98-116 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 75-81 16243026-3 2005 Recent studies have led to the discovery of GPCR-independent activation of Galpha subunits by the guanine nucleotide exchange factor RIC-8 in both asymmetric cell division and synaptic vesicle priming in metazoan organisms. Guanine Nucleotides 98-116 RIC8 guanine nucleotide exchange factor A Homo sapiens 133-138 16049005-2 2005 The activity of Rac is stimulated by guanine nucleotide exchange factors (GEFs) that promote GDP release and GTP binding. Guanine Nucleotides 37-55 AKT serine/threonine kinase 1 Homo sapiens 16-19 16228010-3 2005 We establish here that Ric-8, which belongs to a family of guanine nucleotide-exchange factors for Galphai, regulates cortical localization of the subunits Galphai and Gbeta13F. Guanine Nucleotides 59-77 ric8a Drosophila melanogaster 23-28 16190977-1 2005 Small GTP-binding proteins of the Rho/Rac/Cdc42 family combine their GDP/GTP cycle, regulated by guanine nucleotide-exchange factors and GTPase-activating proteins, to a cytosol/membrane cycle, regulated by guanine nucleotide dissociation inhibitors (rhoGDIs). Guanine Nucleotides 97-115 AKT serine/threonine kinase 1 Homo sapiens 38-41 16190977-1 2005 Small GTP-binding proteins of the Rho/Rac/Cdc42 family combine their GDP/GTP cycle, regulated by guanine nucleotide-exchange factors and GTPase-activating proteins, to a cytosol/membrane cycle, regulated by guanine nucleotide dissociation inhibitors (rhoGDIs). Guanine Nucleotides 97-115 cell division cycle 42 Homo sapiens 42-47 16190977-1 2005 Small GTP-binding proteins of the Rho/Rac/Cdc42 family combine their GDP/GTP cycle, regulated by guanine nucleotide-exchange factors and GTPase-activating proteins, to a cytosol/membrane cycle, regulated by guanine nucleotide dissociation inhibitors (rhoGDIs). Guanine Nucleotides 207-225 AKT serine/threonine kinase 1 Homo sapiens 38-41 16190977-1 2005 Small GTP-binding proteins of the Rho/Rac/Cdc42 family combine their GDP/GTP cycle, regulated by guanine nucleotide-exchange factors and GTPase-activating proteins, to a cytosol/membrane cycle, regulated by guanine nucleotide dissociation inhibitors (rhoGDIs). Guanine Nucleotides 207-225 cell division cycle 42 Homo sapiens 42-47 16201754-2 2005 Guanine nucleotide exchange factors of the Dbl family activate Cdc42 and other Rho GTPases by catalyzing the removal of bound GDP, allowing for GTP loading, and subsequent effector recognition ultimately leading to downstream signaling events. Guanine Nucleotides 0-18 cell division cycle 42 Homo sapiens 63-68 16213207-2 2005 In this issue of Cell, Norman, Maricq, and colleagues (Norman et al., 2005) show that VAV-1, a guanine nucleotide exchange factor for Rho-family GTPases, is necessary for three rhythmic behaviors in the nematode Caenorhabditis elegans: feeding, defecation, and ovulation. Guanine Nucleotides 95-113 Protein vav-1 Caenorhabditis elegans 86-91 16085653-7 2005 Statin treatment disrupted the interaction of Rac with its negative regulator the Rho guanine nucleotide dissociation inhibitor (RhoGDI), an interaction that is dependent on protein isoprenylation. Guanine Nucleotides 86-104 Rac family small GTPase 2 Homo sapiens 46-49 16085653-7 2005 Statin treatment disrupted the interaction of Rac with its negative regulator the Rho guanine nucleotide dissociation inhibitor (RhoGDI), an interaction that is dependent on protein isoprenylation. Guanine Nucleotides 86-104 Rho GDP dissociation inhibitor alpha Homo sapiens 129-135 16213217-5 2005 Here, we show that the C. elegans Rho/Rac-family guanine nucleotide exchange factor, VAV-1, which is homologous to the mammalian Vav proto-oncogene, has a crucial role in all three behaviors. Guanine Nucleotides 49-67 Protein vav-1 Caenorhabditis elegans 85-90 16213217-5 2005 Here, we show that the C. elegans Rho/Rac-family guanine nucleotide exchange factor, VAV-1, which is homologous to the mammalian Vav proto-oncogene, has a crucial role in all three behaviors. Guanine Nucleotides 49-67 vav guanine nucleotide exchange factor 1 Homo sapiens 129-132 16129829-6 2005 Paradoxically, MgcRacGAP, a GTPase-activating protein, associates during cytokinesis with ECT2, a guanine nucleotide exchange factor for RhoA, and the localization of ECT2 to both the central spindle and the contractile ring depends on MgcRacGAP. Guanine Nucleotides 98-116 Rac GTPase activating protein 1 Homo sapiens 15-24 16289968-6 2005 Fluorescently labeled guanine nucleotides serve as fluorescence reporter groups to investigate the interactions of GTPases of the Rho family (e.g., RhoA, Rac1, and Cdc42). Guanine Nucleotides 22-41 ras homolog family member A Homo sapiens 148-152 16289968-6 2005 Fluorescently labeled guanine nucleotides serve as fluorescence reporter groups to investigate the interactions of GTPases of the Rho family (e.g., RhoA, Rac1, and Cdc42). Guanine Nucleotides 22-41 Rac family small GTPase 1 Homo sapiens 154-158 16289968-6 2005 Fluorescently labeled guanine nucleotides serve as fluorescence reporter groups to investigate the interactions of GTPases of the Rho family (e.g., RhoA, Rac1, and Cdc42). Guanine Nucleotides 22-41 cell division cycle 42 Homo sapiens 164-169 15946753-3 2005 GPSM2 has guanine nucleotide dissociation inhibitor (GDI) activity towards both Galpha(o)- and Galpha(i)-subunits; however, a systematic analysis of its individual GoLoco motifs has not been described. Guanine Nucleotides 10-28 G protein signaling modulator 2 Homo sapiens 0-5 16162648-8 2005 Using nucleotide exchange assays, we establish that whereas GPR-1/2 acts as a guanine nucleotide dissociation inhibitor (GDI) for GPA-16, as it does for GOA-1, RIC-8 does not exhibit guanine nucleotide exchange factor (GEF) activity towards GPA-16, in contrast to its effect on GOA-1. Guanine Nucleotides 78-96 G-protein regulator 1 Caenorhabditis elegans 60-67 16024001-5 2005 CYL-26z inhibited the activation of RhoA and dissociation of the RhoA-Rho guanine nucleotide dissociation inhibitor (GDI) complex in fMLP-stimulated neutrophils (IC50 1.8+/-1.0 microM and 1.8+/-0.9 microM, respectively). Guanine Nucleotides 74-92 ras homolog family member A Rattus norvegicus 65-69 15972823-7 2005 Consistent with the stimulation of GTP hydrolysis, CSP(1-112) increased guanine nucleotide exchange of G alpha(s). Guanine Nucleotides 72-90 DnaJ heat shock protein family (Hsp40) member C5 Homo sapiens 51-54 16157703-7 2005 Three different strategies to decrease the guanine nucleotide exchange function of eIF2B all inhibit eIF2 shuttling into the foci. Guanine Nucleotides 43-61 eukaryotic translation initiation factor 2B subunit delta Homo sapiens 83-88 16157703-7 2005 Three different strategies to decrease the guanine nucleotide exchange function of eIF2B all inhibit eIF2 shuttling into the foci. Guanine Nucleotides 43-61 eukaryotic translation initiation factor 2 subunit beta Homo sapiens 83-87 16157703-8 2005 These results implicate a defined cytoplasmic center of eIF2B in the exchange of guanine nucleotides on the eIF2 translation initiation factor. Guanine Nucleotides 81-100 eukaryotic translation initiation factor 2B subunit delta Homo sapiens 56-61 16157703-8 2005 These results implicate a defined cytoplasmic center of eIF2B in the exchange of guanine nucleotides on the eIF2 translation initiation factor. Guanine Nucleotides 81-100 eukaryotic translation initiation factor 2 subunit beta Homo sapiens 56-60 16157703-9 2005 A focused core of eIF2B guanine nucleotide exchange might allow either greater activity or control of this elementary conserved step in the translation pathway. Guanine Nucleotides 24-42 eukaryotic translation initiation factor 2B subunit delta Homo sapiens 18-23 15946753-3 2005 GPSM2 has guanine nucleotide dissociation inhibitor (GDI) activity towards both Galpha(o)- and Galpha(i)-subunits; however, a systematic analysis of its individual GoLoco motifs has not been described. Guanine Nucleotides 10-28 G protein subunit alpha o1 Homo sapiens 80-89 16182110-4 2005 As causes for RhoA/ROK downregulation in BS/GS, we hypothesized an alteration at the level of the upstream regulators of RhoA such as reduced expression of Rho guanine nucleotide exchange factor (RhoGEF), which links activation of G protein-coupled receptors to RhoA/ROK signaling or increased guanine nucleotide dissociation inhibitor (RhoGDI), which inhibits dissociation of GDP from GDI maintaining RhoA in an inactive state. Guanine Nucleotides 160-178 ras homolog family member A Homo sapiens 121-125 16182110-4 2005 As causes for RhoA/ROK downregulation in BS/GS, we hypothesized an alteration at the level of the upstream regulators of RhoA such as reduced expression of Rho guanine nucleotide exchange factor (RhoGEF), which links activation of G protein-coupled receptors to RhoA/ROK signaling or increased guanine nucleotide dissociation inhibitor (RhoGDI), which inhibits dissociation of GDP from GDI maintaining RhoA in an inactive state. Guanine Nucleotides 160-178 Rho guanine nucleotide exchange factor 28 Homo sapiens 196-202 16182110-4 2005 As causes for RhoA/ROK downregulation in BS/GS, we hypothesized an alteration at the level of the upstream regulators of RhoA such as reduced expression of Rho guanine nucleotide exchange factor (RhoGEF), which links activation of G protein-coupled receptors to RhoA/ROK signaling or increased guanine nucleotide dissociation inhibitor (RhoGDI), which inhibits dissociation of GDP from GDI maintaining RhoA in an inactive state. Guanine Nucleotides 160-178 ras homolog family member A Homo sapiens 121-125 16182110-4 2005 As causes for RhoA/ROK downregulation in BS/GS, we hypothesized an alteration at the level of the upstream regulators of RhoA such as reduced expression of Rho guanine nucleotide exchange factor (RhoGEF), which links activation of G protein-coupled receptors to RhoA/ROK signaling or increased guanine nucleotide dissociation inhibitor (RhoGDI), which inhibits dissociation of GDP from GDI maintaining RhoA in an inactive state. Guanine Nucleotides 160-178 ras homolog family member A Homo sapiens 121-125 15972823-11 2005 Our results show that the guanine nucleotide exchange activity of full-length CSP is, in turn, regulated by Hsc70-SGT. Guanine Nucleotides 26-44 DnaJ heat shock protein family (Hsp40) member C5 Homo sapiens 78-81 15972823-11 2005 Our results show that the guanine nucleotide exchange activity of full-length CSP is, in turn, regulated by Hsc70-SGT. Guanine Nucleotides 26-44 heat shock protein family A (Hsp70) member 8 Homo sapiens 108-113 16179526-4 2005 Human ferric Ngb has been found to act as a guanine nucleotide dissociation inhibitor for the alpha subunit of heterotrimeric G proteins. Guanine Nucleotides 44-62 neuroglobin Homo sapiens 13-16 15933218-0 2005 Guanine nucleotide exchange-independent activation of Gs protein by beta2-adrenoceptor. Guanine Nucleotides 0-18 adrenoceptor beta 2 Homo sapiens 68-86 16085057-5 2005 Our results further demonstrate the requirement of the Alsin VPS9 domain for occurrence of the vacuolation process and the role of Alsin as a guanine nucleotide exchange factor for Rab5. Guanine Nucleotides 142-160 alsin Rho guanine nucleotide exchange factor ALS2 Homo sapiens 131-136 16085057-5 2005 Our results further demonstrate the requirement of the Alsin VPS9 domain for occurrence of the vacuolation process and the role of Alsin as a guanine nucleotide exchange factor for Rab5. Guanine Nucleotides 142-160 RAB5A, member RAS oncogene family Homo sapiens 181-185 15882147-2 2005 IMPDH1 catalyses the rate-limiting step in guanine nucleotide biosynthesis and also binds single-stranded nucleic acids. Guanine Nucleotides 43-61 inosine monophosphate dehydrogenase 1 Homo sapiens 0-6 16323045-1 2005 We have previously computed the structures of three loops, residues 591-596, 654-675 and 742-751, in the ras-p21 protein-binding domain (residues 568-1044) of the guanine nucleotide-exchange-promoting SOS protein that were crystallographically undefined when one molecule of ras-p21 (unbound to nucleotide) binds to SOS. Guanine Nucleotides 163-181 H3 histone pseudogene 16 Homo sapiens 279-282 15937128-1 2005 Yeast Gtr1p and its human homolog RRAG A belong to the Ras-like small G-protein superfamily and genetically interact with RCC1, a guanine nucleotide exchange factor for Ran GTPase. Guanine Nucleotides 130-148 Rag GTPase GTR1 Saccharomyces cerevisiae S288C 6-11 15937128-1 2005 Yeast Gtr1p and its human homolog RRAG A belong to the Ras-like small G-protein superfamily and genetically interact with RCC1, a guanine nucleotide exchange factor for Ran GTPase. Guanine Nucleotides 130-148 regulator of chromosome condensation 1 Homo sapiens 122-126 15937128-1 2005 Yeast Gtr1p and its human homolog RRAG A belong to the Ras-like small G-protein superfamily and genetically interact with RCC1, a guanine nucleotide exchange factor for Ran GTPase. Guanine Nucleotides 130-148 RAN, member RAS oncogene family Homo sapiens 169-179 16323045-1 2005 We have previously computed the structures of three loops, residues 591-596, 654-675 and 742-751, in the ras-p21 protein-binding domain (residues 568-1044) of the guanine nucleotide-exchange-promoting SOS protein that were crystallographically undefined when one molecule of ras-p21 (unbound to nucleotide) binds to SOS. Guanine Nucleotides 163-181 H3 histone pseudogene 16 Homo sapiens 109-112 16007223-0 2005 The merlin tumor suppressor interacts with Ral guanine nucleotide dissociation stimulator and inhibits its activity. Guanine Nucleotides 47-65 NF2, moesin-ezrin-radixin like (MERLIN) tumor suppressor Homo sapiens 4-10 16007223-0 2005 The merlin tumor suppressor interacts with Ral guanine nucleotide dissociation stimulator and inhibits its activity. Guanine Nucleotides 47-65 RAS like proto-oncogene A Homo sapiens 43-46 16323045-1 2005 We have previously computed the structures of three loops, residues 591-596, 654-675 and 742-751, in the ras-p21 protein-binding domain (residues 568-1044) of the guanine nucleotide-exchange-promoting SOS protein that were crystallographically undefined when one molecule of ras-p21 (unbound to nucleotide) binds to SOS. Guanine Nucleotides 163-181 xylosyltransferase 2 Homo sapiens 316-319 16323045-1 2005 We have previously computed the structures of three loops, residues 591-596, 654-675 and 742-751, in the ras-p21 protein-binding domain (residues 568-1044) of the guanine nucleotide-exchange-promoting SOS protein that were crystallographically undefined when one molecule of ras-p21 (unbound to nucleotide) binds to SOS. Guanine Nucleotides 163-181 xylosyltransferase 2 Homo sapiens 201-204 15811961-2 2005 We show here that the responses of B lymphocytes to LPS require the function of the Vav family of guanine nucleotide exchange factors. Guanine Nucleotides 98-116 vav 1 oncogene Mus musculus 84-87 15856025-2 2005 Rap1 is transiently activated in response to many incoming signals via a large family of guanine nucleotide exchange factors (GEFs). Guanine Nucleotides 89-107 Rap1 GTPase Drosophila melanogaster 0-4 15860526-2 2005 Here we provide evidence that these actions of GLP-1 are functionally related: they reflect a process of Ca2+-induced Ca2+ release (CICR) that requires activation of protein kinase A (PKA) and the Epac family of cAMP-regulated guanine nucleotide exchange factors (cAMPGEFs). Guanine Nucleotides 227-245 glucagon Mus musculus 47-52 15843430-4 2005 We show that the glo-1 gene encodes a predicted Rab GTPase that localizes to lysosome-related gut granules in the intestine and that glo-4 encodes a possible GLO-1 guanine nucleotide exchange factor. Guanine Nucleotides 164-182 Ras-related protein Rab Caenorhabditis elegans 17-22 15843430-4 2005 We show that the glo-1 gene encodes a predicted Rab GTPase that localizes to lysosome-related gut granules in the intestine and that glo-4 encodes a possible GLO-1 guanine nucleotide exchange factor. Guanine Nucleotides 164-182 X-linked retinitis pigmentosa GTPase regulator homolog Caenorhabditis elegans 133-138 15843430-4 2005 We show that the glo-1 gene encodes a predicted Rab GTPase that localizes to lysosome-related gut granules in the intestine and that glo-4 encodes a possible GLO-1 guanine nucleotide exchange factor. Guanine Nucleotides 164-182 Ras-related protein Rab Caenorhabditis elegans 158-163 15856019-4 2005 In the present study, using guanine nucleotide exchange assay and GST-TPR binding assay, we show that the treatment of Galpha12WT-NIH3T3 with 2 muM LPA leads to the activation of Galpha12. Guanine Nucleotides 28-46 guanine nucleotide binding protein, alpha 12 Mus musculus 119-129 15856019-4 2005 In the present study, using guanine nucleotide exchange assay and GST-TPR binding assay, we show that the treatment of Galpha12WT-NIH3T3 with 2 muM LPA leads to the activation of Galpha12. Guanine Nucleotides 28-46 guanine nucleotide binding protein, alpha 12 Mus musculus 119-127 15927708-6 2005 However, the guanine nucleotide had no effect on the binding of 125I-[Sar1,Ile8]angiotensin II as has also been reported elsewhere, and may suggest that Sar1-Ile8-angiotensin II, being a partial agonist, binds to both the G-protein coupled and uncoupled states of the angiotensin receptors. Guanine Nucleotides 13-31 angiotensinogen Rattus norvegicus 163-177 16026308-4 2005 Coupling to inhibitory guanine nucleotide-binding protein and thus inhibition of adenylyl cyclase has been observed in both receptors but other signal transduction pathways that are regulated or not by these G proteins are differently activated upon ligand-receptor binding including ion channels, sphingomyelin hydrolysis, ceramide generation, phospholipases activation and downstream targets as MAP kinase cascade, PI3K, FAK or NOS regulation. Guanine Nucleotides 23-41 protein tyrosine kinase 2 Homo sapiens 423-426 16004878-0 2005 Structure of Galpha(i1) bound to a GDP-selective peptide provides insight into guanine nucleotide exchange. Guanine Nucleotides 79-97 protein phosphatase 1 regulatory inhibitor subunit 1A Homo sapiens 13-22 15755723-3 2005 One of these small GTPases, RhoA, may be activated via Galpha(12/13)-linked Rho-specific guanine nucleotide exchange factors (RhoGEFs) under LPA stimulation although the detailed mechanisms are poorly understood. Guanine Nucleotides 89-107 ras homolog family member A Homo sapiens 28-32 15840508-5 2005 In this article, we describe the use of the ribose-conjugated fluorescent guanine nucleotide analog BODIPYFL-GTP as a spectroscopic probe to measure intrinsic and RGS protein-catalyzed nucleotide hydrolysis by Galphao. Guanine Nucleotides 74-92 paired like homeodomain 2 Homo sapiens 163-166 15840508-5 2005 In this article, we describe the use of the ribose-conjugated fluorescent guanine nucleotide analog BODIPYFL-GTP as a spectroscopic probe to measure intrinsic and RGS protein-catalyzed nucleotide hydrolysis by Galphao. Guanine Nucleotides 74-92 G protein subunit alpha o1 Homo sapiens 210-217 15691871-4 2005 The transcription initiation site in the MCT1 promoter was identified as a guanine nucleotide 281 bp upstream from the translation initiation site and is surrounded by a guanine-cytosine-rich area. Guanine Nucleotides 75-93 solute carrier family 16 member 1 Homo sapiens 41-45 15818466-6 2005 Plexin-B1 activates Rho through Rho-specific guanine nucleotide exchange factors, leading to neurite retraction. Guanine Nucleotides 45-63 plexin B1 Homo sapiens 0-9 15886116-1 2005 The Vav family proteins (Vav1, Vav2, Vav3) are cytoplasmic guanine nucleotide exchange factors (GEFs) for Rho-family GTPases. Guanine Nucleotides 59-77 vav 1 oncogene Mus musculus 4-7 15886116-1 2005 The Vav family proteins (Vav1, Vav2, Vav3) are cytoplasmic guanine nucleotide exchange factors (GEFs) for Rho-family GTPases. Guanine Nucleotides 59-77 vav 1 oncogene Mus musculus 25-29 15886116-1 2005 The Vav family proteins (Vav1, Vav2, Vav3) are cytoplasmic guanine nucleotide exchange factors (GEFs) for Rho-family GTPases. Guanine Nucleotides 59-77 vav 2 oncogene Mus musculus 31-35 15886116-1 2005 The Vav family proteins (Vav1, Vav2, Vav3) are cytoplasmic guanine nucleotide exchange factors (GEFs) for Rho-family GTPases. Guanine Nucleotides 59-77 vav 3 oncogene Mus musculus 37-41 15865441-1 2005 In response to extracellular signals, G protein-coupled receptors (GPCRs) catalyze guanine nucleotide exchange on Galpha subunits, enabling both activated Galpha and Gbetagamma subunits to target downstream effector enzymes. Guanine Nucleotides 83-101 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 114-120 15865441-1 2005 In response to extracellular signals, G protein-coupled receptors (GPCRs) catalyze guanine nucleotide exchange on Galpha subunits, enabling both activated Galpha and Gbetagamma subunits to target downstream effector enzymes. Guanine Nucleotides 83-101 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 155-161 15746095-5 2005 This mutant of Galpha(12) fails to bind the Rho-specific guanine nucleotide exchange factors p115RhoGEF and LARG (leukemia-associated RhoGEF), fails to stimulate Rho-dependent transcriptional activation, and fails to trigger activation of RhoA and the Rho-mediated cellular responses of cell rounding and c-jun N-terminal kinase activation. Guanine Nucleotides 57-75 G protein subunit alpha 12 Homo sapiens 15-24 15850391-0 2005 Recognition and activation of Rho GTPases by Vav1 and Vav2 guanine nucleotide exchange factors. Guanine Nucleotides 59-77 vav guanine nucleotide exchange factor 2 Homo sapiens 54-58 15632203-1 2005 The Ras-like guanine-nucleotide-binding protein Rap1 controls integrin alpha(IIb)beta3 activity and platelet aggregation. Guanine Nucleotides 13-31 RAP1A, member of RAS oncogene family Homo sapiens 48-52 16283548-1 2005 In previous studies, involving molecular modeling of wild-type and oncogenic forms of the ras-p21 protein bound to GTPase activating protein GAP and the ras-specific guanine nucleotide exchange-promoting protein, SOS, we identified specific domains of GAP and SOS proteins that differ in conformation when the computed average structures of the corresponding wild-type and oncogenic complexes are superimposed. Guanine Nucleotides 166-184 H3 histone pseudogene 16 Homo sapiens 94-97 15977802-0 2005 [Effects of guanine nucleotides and protein kinase C on prolactin-stimulated release of Ca from intracellular stores of pig oocytes]. Guanine Nucleotides 12-31 prolactin Sus scrofa 56-65 15977802-1 2005 The effects of guanine nucleotides and protein kinase C on prolactin-stimulated Ca2+ release from intracellular stores of pig oocytes were studied using the fluorescent dye chlorotetracycline. Guanine Nucleotides 15-34 prolactin Sus scrofa 59-68 15977802-6 2005 These data suggest the influence of guanine nucleotides and protein kinase C on calcium metabolism, stimulated by prolactin. Guanine Nucleotides 36-55 prolactin Sus scrofa 114-123 15699053-0 2005 Evidence for the involvement of cytosolic 5"-nucleotidase (cN-II) in the synthesis of guanine nucleotides from xanthosine. Guanine Nucleotides 86-105 5'-nucleotidase ecto Homo sapiens 42-57 15807543-1 2005 The bifunctional protein RGS14 is both a GTPase activating protein (GAP) for Gialpha and Goalphaand a guanine nucleotide dissociation inhibitor (GDI) for Gialpha. Guanine Nucleotides 102-120 regulator of G protein signaling 14 Homo sapiens 25-30 15784259-2 2005 The SH3 domain of CAS mediates its interaction with several proteins involved in signaling pathways such as focal adhesion kinase (FAK), tyrosine phosphatases PTP1B and PTP-PEST, and the guanine nucleotide exchange factor C3G. Guanine Nucleotides 187-205 BCAR1 scaffold protein, Cas family member Homo sapiens 18-21 15784259-2 2005 The SH3 domain of CAS mediates its interaction with several proteins involved in signaling pathways such as focal adhesion kinase (FAK), tyrosine phosphatases PTP1B and PTP-PEST, and the guanine nucleotide exchange factor C3G. Guanine Nucleotides 187-205 Rap guanine nucleotide exchange factor 1 Homo sapiens 222-225 15699053-0 2005 Evidence for the involvement of cytosolic 5"-nucleotidase (cN-II) in the synthesis of guanine nucleotides from xanthosine. Guanine Nucleotides 86-105 5'-nucleotidase, cytosolic II Homo sapiens 59-64 15699053-6 2005 Thus, phosphorylation of xanthosine by cytosolic 5"-nucleotidase circumvents the activity of IMP dehydrogenase, a rate-limiting enzyme, catalyzing the NAD(+)-dependent conversion of IMP to XMP at the branch point of de novo nucleotide synthesis, thus leading to the generation of guanine nucleotides. Guanine Nucleotides 280-299 5'-nucleotidase ecto Homo sapiens 49-64 15807788-2 2005 In vertebrates, these functions are controlled by a three-dimensional gradient of Ran-GTP to Ran-GDP, established by the spatial separation of Ran GTPase-activating protein (RanGAP) and the Ran guanine nucleotide exchange factor RCC1. Guanine Nucleotides 194-212 RAN, member RAS oncogene family Homo sapiens 82-85 15684418-4 2005 In this study, we show that guanine nucleotide dissociation is enhanced upon exposure of the redox-active GTPases, Ras and Rap1A, to O2* and provide evidence for the efficient guanine nucleotide reassociation in the presence of the radical quenching agent ascorbate to complete guanine nucleotide exchange. Guanine Nucleotides 28-46 RAP1A, member of RAS oncogene family Homo sapiens 123-128 15684418-4 2005 In this study, we show that guanine nucleotide dissociation is enhanced upon exposure of the redox-active GTPases, Ras and Rap1A, to O2* and provide evidence for the efficient guanine nucleotide reassociation in the presence of the radical quenching agent ascorbate to complete guanine nucleotide exchange. Guanine Nucleotides 176-194 RAP1A, member of RAS oncogene family Homo sapiens 123-128 15684418-4 2005 In this study, we show that guanine nucleotide dissociation is enhanced upon exposure of the redox-active GTPases, Ras and Rap1A, to O2* and provide evidence for the efficient guanine nucleotide reassociation in the presence of the radical quenching agent ascorbate to complete guanine nucleotide exchange. Guanine Nucleotides 176-194 RAP1A, member of RAS oncogene family Homo sapiens 123-128 15618286-2 2005 This event activates multimeric signaling pathways, including the activation of the Vav family of guanine nucleotide exchange factors. Guanine Nucleotides 98-116 vav guanine nucleotide exchange factor 1 Homo sapiens 84-87 15746383-0 2005 Kalirin: a dual Rho guanine nucleotide exchange factor that is so much more than the sum of its many parts. Guanine Nucleotides 20-38 kalirin RhoGEF kinase Homo sapiens 0-7 15807788-2 2005 In vertebrates, these functions are controlled by a three-dimensional gradient of Ran-GTP to Ran-GDP, established by the spatial separation of Ran GTPase-activating protein (RanGAP) and the Ran guanine nucleotide exchange factor RCC1. Guanine Nucleotides 194-212 RAN, member RAS oncogene family Homo sapiens 93-96 15807788-2 2005 In vertebrates, these functions are controlled by a three-dimensional gradient of Ran-GTP to Ran-GDP, established by the spatial separation of Ran GTPase-activating protein (RanGAP) and the Ran guanine nucleotide exchange factor RCC1. Guanine Nucleotides 194-212 RAN, member RAS oncogene family Homo sapiens 93-96 15807788-2 2005 In vertebrates, these functions are controlled by a three-dimensional gradient of Ran-GTP to Ran-GDP, established by the spatial separation of Ran GTPase-activating protein (RanGAP) and the Ran guanine nucleotide exchange factor RCC1. Guanine Nucleotides 194-212 RAN, member RAS oncogene family Homo sapiens 93-96 15807788-2 2005 In vertebrates, these functions are controlled by a three-dimensional gradient of Ran-GTP to Ran-GDP, established by the spatial separation of Ran GTPase-activating protein (RanGAP) and the Ran guanine nucleotide exchange factor RCC1. Guanine Nucleotides 194-212 regulator of chromosome condensation 1 Homo sapiens 229-233 15751964-7 2005 Phosphorylation of Tyr(183) is required for the interaction with Vav1, the guanine nucleotide exchanging factor of Rac1. Guanine Nucleotides 75-93 vav 1 oncogene Mus musculus 65-69 15653681-2 2005 We demonstrate that activated alpha subunit of heterotrimeric guanine nucleotide-binding G(s) protein activates the AR in prostate cancer cells and also synergizes with low concentration of androgen to more fully activate the AR. Guanine Nucleotides 62-80 androgen receptor Homo sapiens 116-118 15653681-2 2005 We demonstrate that activated alpha subunit of heterotrimeric guanine nucleotide-binding G(s) protein activates the AR in prostate cancer cells and also synergizes with low concentration of androgen to more fully activate the AR. Guanine Nucleotides 62-80 androgen receptor Homo sapiens 226-228 15751964-7 2005 Phosphorylation of Tyr(183) is required for the interaction with Vav1, the guanine nucleotide exchanging factor of Rac1. Guanine Nucleotides 75-93 Rac family small GTPase 1 Mus musculus 115-119 15753034-0 2005 Association of CNK1 with Rho guanine nucleotide exchange factors controls signaling specificity downstream of Rho. Guanine Nucleotides 29-47 connector enhancer of kinase suppressor of Ras 1 Homo sapiens 15-19 15780940-2 2005 Here, we identify a null allele of ELP1 as a suppressor of a mutant in a Rab guanine nucleotide exchange factor Sec2p. Guanine Nucleotides 77-95 Elongator subunit IKI3 Saccharomyces cerevisiae S288C 35-39 15780940-2 2005 Here, we identify a null allele of ELP1 as a suppressor of a mutant in a Rab guanine nucleotide exchange factor Sec2p. Guanine Nucleotides 77-95 guanine nucleotide exchange factor SEC2 Saccharomyces cerevisiae S288C 112-117 15753034-4 2005 Here, we show that the Rho target CNK1 is a scaffold protein that interacts with Net1 or p115RhoGEF, two Rho-specific guanine nucleotide exchange factors (GEFs), as well with MLK2 and MKK7, two of the kinase components in the JNK MAP kinase cascade. Guanine Nucleotides 118-136 connector enhancer of kinase suppressor of Ras 1 Homo sapiens 34-38 15753034-4 2005 Here, we show that the Rho target CNK1 is a scaffold protein that interacts with Net1 or p115RhoGEF, two Rho-specific guanine nucleotide exchange factors (GEFs), as well with MLK2 and MKK7, two of the kinase components in the JNK MAP kinase cascade. Guanine Nucleotides 118-136 neuroepithelial cell transforming 1 Homo sapiens 81-85 15753034-4 2005 Here, we show that the Rho target CNK1 is a scaffold protein that interacts with Net1 or p115RhoGEF, two Rho-specific guanine nucleotide exchange factors (GEFs), as well with MLK2 and MKK7, two of the kinase components in the JNK MAP kinase cascade. Guanine Nucleotides 118-136 Rho guanine nucleotide exchange factor 1 Homo sapiens 89-99 15753034-4 2005 Here, we show that the Rho target CNK1 is a scaffold protein that interacts with Net1 or p115RhoGEF, two Rho-specific guanine nucleotide exchange factors (GEFs), as well with MLK2 and MKK7, two of the kinase components in the JNK MAP kinase cascade. Guanine Nucleotides 118-136 mitogen-activated protein kinase kinase kinase 10 Homo sapiens 175-179 15753034-4 2005 Here, we show that the Rho target CNK1 is a scaffold protein that interacts with Net1 or p115RhoGEF, two Rho-specific guanine nucleotide exchange factors (GEFs), as well with MLK2 and MKK7, two of the kinase components in the JNK MAP kinase cascade. Guanine Nucleotides 118-136 mitogen-activated protein kinase kinase 7 Homo sapiens 184-188 15753034-4 2005 Here, we show that the Rho target CNK1 is a scaffold protein that interacts with Net1 or p115RhoGEF, two Rho-specific guanine nucleotide exchange factors (GEFs), as well with MLK2 and MKK7, two of the kinase components in the JNK MAP kinase cascade. Guanine Nucleotides 118-136 mitogen-activated protein kinase 8 Homo sapiens 226-229 15723537-0 2005 Identification of residues in human neuroglobin crucial for Guanine nucleotide dissociation inhibitor activity. Guanine Nucleotides 60-78 neuroglobin Homo sapiens 36-47 15723537-2 2005 We previously demonstrated that ferric human Ngb binds to the alpha-subunits of heterotrimeric G proteins (Galpha) and acts as a guanine nucleotide dissociation inhibitor (GDI) for Galpha. Guanine Nucleotides 129-147 neuroglobin Homo sapiens 45-48 15723537-2 2005 We previously demonstrated that ferric human Ngb binds to the alpha-subunits of heterotrimeric G proteins (Galpha) and acts as a guanine nucleotide dissociation inhibitor (GDI) for Galpha. Guanine Nucleotides 129-147 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 181-187 15702986-2 2005 The latter mediate passage through the nuclear envelope-embedded nuclear pore complexes (NPCs) by conferring interaction with NPC constituents, as well as with other components of the nuclear transport machinery, including the guanine nucleotide-binding protein Ran. Guanine Nucleotides 227-245 RAN, member RAS oncogene family Homo sapiens 262-265 15514010-5 2005 Analysis of the activation state of the components upstream of p38 and JNK showed that NSAIDs inhibit the serine-threonine kinase p21-activated protein kinase 1 (Pak1) and the small guanosine 5"-triphosphatase (GTPase) Rac, as well as the Rac-specific guanine nucleotide exchanger, Vav. Guanine Nucleotides 252-270 mitogen-activated protein kinase 14 Homo sapiens 63-66 15514010-5 2005 Analysis of the activation state of the components upstream of p38 and JNK showed that NSAIDs inhibit the serine-threonine kinase p21-activated protein kinase 1 (Pak1) and the small guanosine 5"-triphosphatase (GTPase) Rac, as well as the Rac-specific guanine nucleotide exchanger, Vav. Guanine Nucleotides 252-270 mitogen-activated protein kinase 8 Homo sapiens 71-74 15514010-5 2005 Analysis of the activation state of the components upstream of p38 and JNK showed that NSAIDs inhibit the serine-threonine kinase p21-activated protein kinase 1 (Pak1) and the small guanosine 5"-triphosphatase (GTPase) Rac, as well as the Rac-specific guanine nucleotide exchanger, Vav. Guanine Nucleotides 252-270 p21 (RAC1) activated kinase 1 Homo sapiens 130-160 15514010-5 2005 Analysis of the activation state of the components upstream of p38 and JNK showed that NSAIDs inhibit the serine-threonine kinase p21-activated protein kinase 1 (Pak1) and the small guanosine 5"-triphosphatase (GTPase) Rac, as well as the Rac-specific guanine nucleotide exchanger, Vav. Guanine Nucleotides 252-270 p21 (RAC1) activated kinase 1 Homo sapiens 162-166 15723051-4 2005 Here, we found that PAR-3 directly interacted with STEF/Tiam1, which are Rac-specific guanine nucleotide-exchange factors, and that STEF formed a complex with PAR-3-aPKC-PAR-6-Cdc42-GTP. Guanine Nucleotides 86-104 pulmonary adenoma resistance 3 Mus musculus 20-25 15723051-4 2005 Here, we found that PAR-3 directly interacted with STEF/Tiam1, which are Rac-specific guanine nucleotide-exchange factors, and that STEF formed a complex with PAR-3-aPKC-PAR-6-Cdc42-GTP. Guanine Nucleotides 86-104 T cell lymphoma invasion and metastasis 2 Mus musculus 51-55 15723051-4 2005 Here, we found that PAR-3 directly interacted with STEF/Tiam1, which are Rac-specific guanine nucleotide-exchange factors, and that STEF formed a complex with PAR-3-aPKC-PAR-6-Cdc42-GTP. Guanine Nucleotides 86-104 T cell lymphoma invasion and metastasis 1 Mus musculus 56-61 15723051-4 2005 Here, we found that PAR-3 directly interacted with STEF/Tiam1, which are Rac-specific guanine nucleotide-exchange factors, and that STEF formed a complex with PAR-3-aPKC-PAR-6-Cdc42-GTP. Guanine Nucleotides 86-104 thymoma viral proto-oncogene 1 Mus musculus 73-76 15723051-4 2005 Here, we found that PAR-3 directly interacted with STEF/Tiam1, which are Rac-specific guanine nucleotide-exchange factors, and that STEF formed a complex with PAR-3-aPKC-PAR-6-Cdc42-GTP. Guanine Nucleotides 86-104 T cell lymphoma invasion and metastasis 2 Mus musculus 132-136 15723051-4 2005 Here, we found that PAR-3 directly interacted with STEF/Tiam1, which are Rac-specific guanine nucleotide-exchange factors, and that STEF formed a complex with PAR-3-aPKC-PAR-6-Cdc42-GTP. Guanine Nucleotides 86-104 pulmonary adenoma resistance 3 Mus musculus 159-164 15723051-4 2005 Here, we found that PAR-3 directly interacted with STEF/Tiam1, which are Rac-specific guanine nucleotide-exchange factors, and that STEF formed a complex with PAR-3-aPKC-PAR-6-Cdc42-GTP. Guanine Nucleotides 86-104 protein kinase C, zeta Mus musculus 165-169 15723051-4 2005 Here, we found that PAR-3 directly interacted with STEF/Tiam1, which are Rac-specific guanine nucleotide-exchange factors, and that STEF formed a complex with PAR-3-aPKC-PAR-6-Cdc42-GTP. Guanine Nucleotides 86-104 par-6 family cell polarity regulator alpha Mus musculus 170-175 15723051-4 2005 Here, we found that PAR-3 directly interacted with STEF/Tiam1, which are Rac-specific guanine nucleotide-exchange factors, and that STEF formed a complex with PAR-3-aPKC-PAR-6-Cdc42-GTP. Guanine Nucleotides 86-104 cell division cycle 42 Mus musculus 176-181 15670649-7 2005 These results suggest that guanine nucleotide depletion following HPRT deficiency, might lead to earlier and abnormal brain development mainly affecting the basal ganglia, displaying the highest HPRT activity, and could be responsible for the specific neurobehavioral features of LND. Guanine Nucleotides 27-45 hypoxanthine phosphoribosyltransferase 1 Homo sapiens 66-70 15545273-6 2005 This intramolecular interaction masks the catalytic domain responsible for guanine nucleotide exchange toward RhoA. Guanine Nucleotides 75-93 ras homolog family member A Homo sapiens 110-114 15723800-1 2005 CDM (CED-5, Dock180, Myoblast city) family members have been recently identified as novel, evolutionarily conserved guanine nucleotide exchange factors (GEFs) for Rho-family GTPases . Guanine Nucleotides 116-134 dedicator of cytokinesis 1 Homo sapiens 5-10 15723800-1 2005 CDM (CED-5, Dock180, Myoblast city) family members have been recently identified as novel, evolutionarily conserved guanine nucleotide exchange factors (GEFs) for Rho-family GTPases . Guanine Nucleotides 116-134 dedicator of cytokinesis 1 Homo sapiens 12-19 15455375-1 2005 Several oncogenes isolated by the NIH/3T3 transformation assay, i.e., dbl, dbs, lbc, lfc, lsc, net, ost and tim, contain a Dbl homology (DH) and a pleckstrin-homology (PH) domain and act as GEFs (guanine nucleotide exchange factors) for Rho-like GTPases. Guanine Nucleotides 196-214 MCF.2 cell line derived transforming sequence Homo sapiens 123-126 15579468-1 2005 AlsinLF, the product of the ALS2 gene, inhibits Cu/Zn-superoxide dismutase (SOD1) mutant-induced neurotoxicity via its Rho guanine nucleotide-exchanging factor domain. Guanine Nucleotides 123-141 alsin Rho guanine nucleotide exchange factor Mus musculus 28-32 15579468-1 2005 AlsinLF, the product of the ALS2 gene, inhibits Cu/Zn-superoxide dismutase (SOD1) mutant-induced neurotoxicity via its Rho guanine nucleotide-exchanging factor domain. Guanine Nucleotides 123-141 superoxide dismutase 1, soluble Mus musculus 76-80 15579468-2 2005 We here identified Rac1, a Rho family small GTPase, as a target for the Rho guanine nucleotide-exchanging factor activity of alsinLF. Guanine Nucleotides 76-94 Rac family small GTPase 1 Mus musculus 19-23 15710388-1 2005 A novel superfamily of guanine nucleotide exchange factors for Rho GTPases includes DOCK180 and zizimin1. Guanine Nucleotides 23-41 dedicator of cytokinesis 1 Homo sapiens 84-91 15710388-1 2005 A novel superfamily of guanine nucleotide exchange factors for Rho GTPases includes DOCK180 and zizimin1. Guanine Nucleotides 23-41 dedicator of cytokinesis 9 Homo sapiens 96-104 15557278-0 2005 Activation of the phagocyte NADPH oxidase by Rac Guanine nucleotide exchange factors in conjunction with ATP and nucleoside diphosphate kinase. Guanine Nucleotides 49-67 cytidine/uridine monophosphate kinase 2 Homo sapiens 113-142 15316932-3 2005 Using an in vitro cyclic stretch model with neonatal rat cardiomyocytes, we demonstrated that stretch-induced activation of RhoA, Rac1/Cdc42, and phosphorylation of Rho-guanine nucleotide dissociation inhibitor (GDI) were prevented by inhibition or depletion of PKC, using chelerythrine and phorbol 12-myristate 13-acetate, indicating that phorbol ester-sensitive PKC isozymes may be upstream regulators of Rho GTPases. Guanine Nucleotides 169-187 protein kinase C, alpha Rattus norvegicus 262-265 15316932-3 2005 Using an in vitro cyclic stretch model with neonatal rat cardiomyocytes, we demonstrated that stretch-induced activation of RhoA, Rac1/Cdc42, and phosphorylation of Rho-guanine nucleotide dissociation inhibitor (GDI) were prevented by inhibition or depletion of PKC, using chelerythrine and phorbol 12-myristate 13-acetate, indicating that phorbol ester-sensitive PKC isozymes may be upstream regulators of Rho GTPases. Guanine Nucleotides 169-187 protein kinase C, alpha Rattus norvegicus 364-367 15661896-4 2005 Reduction of Itk expression via small interfering RNA treatment of the Jurkat human T lymphoma cell line or human peripheral blood T cells disrupted TCR-induced actin polarization, a defect that correlated with decreased recruitment of the Vav guanine nucleotide exchange factor to the site of Ag contact. Guanine Nucleotides 244-262 IL2 inducible T cell kinase Homo sapiens 13-16 15661896-4 2005 Reduction of Itk expression via small interfering RNA treatment of the Jurkat human T lymphoma cell line or human peripheral blood T cells disrupted TCR-induced actin polarization, a defect that correlated with decreased recruitment of the Vav guanine nucleotide exchange factor to the site of Ag contact. Guanine Nucleotides 244-262 vav guanine nucleotide exchange factor 1 Homo sapiens 240-243 16473597-3 2005 Both proteins contain the VPS9 domain, which is a hallmark for all known members of the guanine nucleotide exchange factors for Rab5 (Rab5GEF), and are known to act as novel factors modulating the Rab5-mediated endosome dynamics in the cells. Guanine Nucleotides 88-106 RAB5A, member RAS oncogene family Homo sapiens 128-132 15345481-8 2005 cAMP-dependent but A-kinase independent signaling can involve activation of guanine nucleotide exchange factors for the GTP-binding protein, Rap. Guanine Nucleotides 76-94 LDL receptor related protein associated protein 1 Homo sapiens 141-144 16378508-8 2005 This review summarizes the importance of Rho-kinase signaling in the erectile response and introduces the evidence pointing to RGS-containing Rho-guanine nucleotide exchange factors (GEFs) as critical mediators of RhoA-GTPase activation in cavernosal smooth muscle and its possible compartmentalization in the caveolae. Guanine Nucleotides 146-164 paired like homeodomain 2 Homo sapiens 127-130 16378508-8 2005 This review summarizes the importance of Rho-kinase signaling in the erectile response and introduces the evidence pointing to RGS-containing Rho-guanine nucleotide exchange factors (GEFs) as critical mediators of RhoA-GTPase activation in cavernosal smooth muscle and its possible compartmentalization in the caveolae. Guanine Nucleotides 146-164 ras homolog family member A Homo sapiens 214-218 15951850-6 2005 Moreover, we review the discovery of novel biochemical activities that also impinge on the guanine nucleotide binding and hydrolysis cycle of Galpha subunits: namely, the guanine nucleotide dissociation inhibitor (GDI) activity of the GoLoco motif-containing proteins and the 7TM receptor-independent guanine nucleotide exchange factor (GEF) activity of Ric8/synembryn. Guanine Nucleotides 91-109 GDP dissociation inhibitor family protein / Rab GTPase activator family protein Arabidopsis thaliana 171-212 15951850-6 2005 Moreover, we review the discovery of novel biochemical activities that also impinge on the guanine nucleotide binding and hydrolysis cycle of Galpha subunits: namely, the guanine nucleotide dissociation inhibitor (GDI) activity of the GoLoco motif-containing proteins and the 7TM receptor-independent guanine nucleotide exchange factor (GEF) activity of Ric8/synembryn. Guanine Nucleotides 91-109 GDP dissociation inhibitor family protein / Rab GTPase activator family protein Arabidopsis thaliana 214-217 16413268-1 2005 BIG1 and BIG2 are large (approximately 200 kDa) guanine nucleotide-exchange proteins for ADP-ribosylation factors, or ARFs, that were isolated based on sensitivity of their guanine nucleotide-exchange activity to inhibition by brefeldin A. Guanine Nucleotides 48-66 ADP ribosylation factor guanine nucleotide exchange factor 1 Homo sapiens 0-4 15642342-0 2005 Requirement of phosphatidylinositol-4,5-bisphosphate for HERC1-mediated guanine nucleotide release from ARF proteins. Guanine Nucleotides 72-90 HECT and RLD domain containing E3 ubiquitin protein ligase family member 1 Homo sapiens 57-62 15642342-2 2005 Previously, it has been shown that the RCC1-like domain 1 (RLD1) of HERC1 stimulates guanine nucleotide dissociation on ARF1 and Rab proteins. Guanine Nucleotides 85-103 HECT and RLD domain containing E3 ubiquitin protein ligase family member 1 Homo sapiens 68-73 15642342-2 2005 Previously, it has been shown that the RCC1-like domain 1 (RLD1) of HERC1 stimulates guanine nucleotide dissociation on ARF1 and Rab proteins. Guanine Nucleotides 85-103 ADP ribosylation factor 1 Homo sapiens 120-124 15634783-3 2005 Here, we show that a new target for cAMP, exchange protein activated by cAMP (Epac) or cAMP-regulated guanine nucleotide exchange protein, is involved in the hormonal enhancement of synaptic transmission by serotonin. Guanine Nucleotides 102-120 Rap guanine nucleotide exchange factor 3 Homo sapiens 42-76 16413268-1 2005 BIG1 and BIG2 are large (approximately 200 kDa) guanine nucleotide-exchange proteins for ADP-ribosylation factors, or ARFs, that were isolated based on sensitivity of their guanine nucleotide-exchange activity to inhibition by brefeldin A. Guanine Nucleotides 48-66 ADP ribosylation factor guanine nucleotide exchange factor 2 Homo sapiens 9-13 16413268-1 2005 BIG1 and BIG2 are large (approximately 200 kDa) guanine nucleotide-exchange proteins for ADP-ribosylation factors, or ARFs, that were isolated based on sensitivity of their guanine nucleotide-exchange activity to inhibition by brefeldin A. Guanine Nucleotides 173-191 ADP ribosylation factor guanine nucleotide exchange factor 1 Homo sapiens 0-4 16413268-1 2005 BIG1 and BIG2 are large (approximately 200 kDa) guanine nucleotide-exchange proteins for ADP-ribosylation factors, or ARFs, that were isolated based on sensitivity of their guanine nucleotide-exchange activity to inhibition by brefeldin A. Guanine Nucleotides 173-191 ADP ribosylation factor guanine nucleotide exchange factor 2 Homo sapiens 9-13 16413268-2 2005 The intracellular distributions of BIG1 and BIG2 differ from those of other ARF guanine nucleotide-exchange proteins. Guanine Nucleotides 80-98 ADP ribosylation factor guanine nucleotide exchange factor 1 Homo sapiens 35-39 16413268-2 2005 The intracellular distributions of BIG1 and BIG2 differ from those of other ARF guanine nucleotide-exchange proteins. Guanine Nucleotides 80-98 ADP ribosylation factor guanine nucleotide exchange factor 2 Homo sapiens 44-48 16413270-4 2005 Via its C-terminal ARF domain, recombinant ARD1 binds guanine nucleotides, through which it can enhance, in a GTP-dependent manner, cholera toxin ADP-ribosyltransferase activity. Guanine Nucleotides 54-73 tripartite motif containing 23 Homo sapiens 43-47 16473597-3 2005 Both proteins contain the VPS9 domain, which is a hallmark for all known members of the guanine nucleotide exchange factors for Rab5 (Rab5GEF), and are known to act as novel factors modulating the Rab5-mediated endosome dynamics in the cells. Guanine Nucleotides 88-106 RAB5A, member RAS oncogene family Homo sapiens 134-141 16473597-3 2005 Both proteins contain the VPS9 domain, which is a hallmark for all known members of the guanine nucleotide exchange factors for Rab5 (Rab5GEF), and are known to act as novel factors modulating the Rab5-mediated endosome dynamics in the cells. Guanine Nucleotides 88-106 RAB5A, member RAS oncogene family Homo sapiens 134-138 16473603-2 2005 The latter cycle is controlled by a guanine nucleotide dissociation inhibitor (GDI), which functions as a Rab vehicle in the cytosol. Guanine Nucleotides 36-54 RAB5A, member RAS oncogene family Homo sapiens 106-109 15456756-1 2004 Vav family proteins are guanine nucleotide exchange factors for the Rho/Rac family of small GTP-binding proteins. Guanine Nucleotides 24-42 vav guanine nucleotide exchange factor 1 Homo sapiens 0-3 15525675-2 2005 Here we show that the Caenorhabditis elegans homologue of the mammalian guanine nucleotide exchange factors PDZ-GEFs, PXF-1, specifically activates Rap1 and Rap2. Guanine Nucleotides 72-90 Rap guanine nucleotide exchange factor Caenorhabditis elegans 118-123 15525675-2 2005 Here we show that the Caenorhabditis elegans homologue of the mammalian guanine nucleotide exchange factors PDZ-GEFs, PXF-1, specifically activates Rap1 and Rap2. Guanine Nucleotides 72-90 RAP1A, member of RAS oncogene family Homo sapiens 148-152 15525675-2 2005 Here we show that the Caenorhabditis elegans homologue of the mammalian guanine nucleotide exchange factors PDZ-GEFs, PXF-1, specifically activates Rap1 and Rap2. Guanine Nucleotides 72-90 RAP2A, member of RAS oncogene family Homo sapiens 157-161 15530857-8 2004 Taken together, the results presented herein indicate that although RhoGDI is a critical regulator of guanine nucleotide binding, cycling of Cdc42 between membranes and the cytosol and cellular transformation, it is not essential for Cdc42-mediated organization of the actin cytoskeleton. Guanine Nucleotides 102-120 Rho GDP dissociation inhibitor alpha Homo sapiens 68-74 15613689-1 2004 Heterotrimeric guanine nucleotide-binding proteins (G proteins) composed of Galpha, Gbeta, and Ggamma subunits are important transducers of hormonal signals in organisms as evolutionarily distant as plants and humans. Guanine Nucleotides 15-33 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 76-82 15613689-1 2004 Heterotrimeric guanine nucleotide-binding proteins (G proteins) composed of Galpha, Gbeta, and Ggamma subunits are important transducers of hormonal signals in organisms as evolutionarily distant as plants and humans. Guanine Nucleotides 15-33 succinate-CoA ligase GDP-forming subunit beta Homo sapiens 84-89 15485891-0 2004 Chimeric G alpha i2/G alpha 13 proteins reveal the structural requirements for the binding and activation of the RGS-like (RGL)-containing Rho guanine nucleotide exchange factors (GEFs) by G alpha 13. Guanine Nucleotides 143-161 G protein subunit alpha 13 Homo sapiens 20-30 15485891-0 2004 Chimeric G alpha i2/G alpha 13 proteins reveal the structural requirements for the binding and activation of the RGS-like (RGL)-containing Rho guanine nucleotide exchange factors (GEFs) by G alpha 13. Guanine Nucleotides 143-161 ral guanine nucleotide dissociation stimulator like 1 Homo sapiens 123-126 15485891-0 2004 Chimeric G alpha i2/G alpha 13 proteins reveal the structural requirements for the binding and activation of the RGS-like (RGL)-containing Rho guanine nucleotide exchange factors (GEFs) by G alpha 13. Guanine Nucleotides 143-161 G protein subunit alpha 13 Homo sapiens 189-199 15485891-1 2004 The alpha-subunit of G proteins of the G(12/13) family stimulate Rho by their direct binding to the RGS-like (RGL) domain of a family of Rho guanine nucleotide exchange factors (RGL-RhoGEFs) that includes PDZ-RhoGEF (PRG), p115RhoGEF, and LARG, thereby regulating cellular functions as diverse as shape and movement, gene expression, and normal and aberrant cell growth. Guanine Nucleotides 141-159 ral guanine nucleotide dissociation stimulator like 1 Homo sapiens 110-113 15485891-1 2004 The alpha-subunit of G proteins of the G(12/13) family stimulate Rho by their direct binding to the RGS-like (RGL) domain of a family of Rho guanine nucleotide exchange factors (RGL-RhoGEFs) that includes PDZ-RhoGEF (PRG), p115RhoGEF, and LARG, thereby regulating cellular functions as diverse as shape and movement, gene expression, and normal and aberrant cell growth. Guanine Nucleotides 141-159 ral guanine nucleotide dissociation stimulator like 1 Homo sapiens 178-181 15485891-1 2004 The alpha-subunit of G proteins of the G(12/13) family stimulate Rho by their direct binding to the RGS-like (RGL) domain of a family of Rho guanine nucleotide exchange factors (RGL-RhoGEFs) that includes PDZ-RhoGEF (PRG), p115RhoGEF, and LARG, thereby regulating cellular functions as diverse as shape and movement, gene expression, and normal and aberrant cell growth. Guanine Nucleotides 141-159 Rho guanine nucleotide exchange factor 11 Homo sapiens 205-215 15485891-1 2004 The alpha-subunit of G proteins of the G(12/13) family stimulate Rho by their direct binding to the RGS-like (RGL) domain of a family of Rho guanine nucleotide exchange factors (RGL-RhoGEFs) that includes PDZ-RhoGEF (PRG), p115RhoGEF, and LARG, thereby regulating cellular functions as diverse as shape and movement, gene expression, and normal and aberrant cell growth. Guanine Nucleotides 141-159 Rho guanine nucleotide exchange factor 11 Homo sapiens 217-220 15485891-1 2004 The alpha-subunit of G proteins of the G(12/13) family stimulate Rho by their direct binding to the RGS-like (RGL) domain of a family of Rho guanine nucleotide exchange factors (RGL-RhoGEFs) that includes PDZ-RhoGEF (PRG), p115RhoGEF, and LARG, thereby regulating cellular functions as diverse as shape and movement, gene expression, and normal and aberrant cell growth. Guanine Nucleotides 141-159 Rho guanine nucleotide exchange factor 1 Homo sapiens 223-233 15485891-1 2004 The alpha-subunit of G proteins of the G(12/13) family stimulate Rho by their direct binding to the RGS-like (RGL) domain of a family of Rho guanine nucleotide exchange factors (RGL-RhoGEFs) that includes PDZ-RhoGEF (PRG), p115RhoGEF, and LARG, thereby regulating cellular functions as diverse as shape and movement, gene expression, and normal and aberrant cell growth. Guanine Nucleotides 141-159 Rho guanine nucleotide exchange factor 12 Homo sapiens 239-243 15516977-6 2004 Similar to previous observations, we found that Rac1b showed enhanced intrinsic guanine nucleotide exchange activity, impaired intrinsic GTPase activity, and failed to interact with RhoGDI. Guanine Nucleotides 80-98 Rac family small GTPase 3 Mus musculus 48-53 15611160-0 2004 Genetic analysis of yeast Yip1p function reveals a requirement for Golgi-localized rab proteins and rab-Guanine nucleotide dissociation inhibitor. Guanine Nucleotides 104-122 transporter YIP1 Saccharomyces cerevisiae S288C 26-31 15506958-7 2004 In addition, RhoA, Rabs, ARFs and ARF GEFs (guanine nucleotide-exchange factors) can associate directly with GPCRs, and GPCRs may also function as GEFs for small GTPases. Guanine Nucleotides 44-62 ras homolog family member A Homo sapiens 13-17 15544329-1 2004 Activation of many Rho family GTPase pathways involves the signaling module consisting of the Dbl-like guanine nucleotide exchange factors (GEFs), the Rho GTPases, and the Rho GTPase specific effectors. Guanine Nucleotides 103-121 MCF.2 cell line derived transforming sequence Homo sapiens 94-97 15671486-2 2004 The exchange of GDP for GTP on Arf is catalyzed by a family of guanine nucleotide-exchange factors (GEFs) containing a Sec7 domain. Guanine Nucleotides 63-81 cytohesin 1 Homo sapiens 119-123 15385626-3 2004 BIG2 is one of brefeldin A-inhibited guanine nucleotide exchange factors for the ARF GTPases and is associated mainly with the trans-Golgi network. Guanine Nucleotides 37-55 ADP ribosylation factor guanine nucleotide exchange factor 2 Homo sapiens 0-4 15544329-9 2004 These results suggest that signal transduction through Cdc42 and possibly other Rho family GTPases could involve tightly coupled guanine nucleotide exchange and effector activation mechanisms and that Rho GTPase effector may have a feedback regulatory role in the Rho GTPase activation. Guanine Nucleotides 129-147 cell division cycle 42 Homo sapiens 55-60 15655710-2 2004 GLP-1 utilizes this receptor to activate two distinct classes of cAMP-binding proteins: protein kinase A (PKA) and the Epac family of cAMP-regulated guanine nucleotide exchange factors (cAMPGEFs). Guanine Nucleotides 149-167 glucagon like peptide 1 receptor Homo sapiens 0-5 15556869-7 2004 Unlike Cdc42, Wrch-1 possesses an extremely rapid, intrinsic guanine nucleotide exchange activity. Guanine Nucleotides 61-79 ras homolog family member U Mus musculus 14-20 15322077-0 2004 RhoA activates purified phospholipase C-epsilon by a guanine nucleotide-dependent mechanism. Guanine Nucleotides 53-71 ras homolog family member A Homo sapiens 0-4 15322077-0 2004 RhoA activates purified phospholipase C-epsilon by a guanine nucleotide-dependent mechanism. Guanine Nucleotides 53-71 phospholipase C like 1 (inactive) Homo sapiens 24-47 15558032-2 2004 This is the case for Eps8, a receptor tyrosine kinase (RTK) substrate that participates in the activation of the Rac-specific guanine nucleotide-exchange function of Sos1 (refs 2-5), thereby regulating actin remodelling by RTKs. Guanine Nucleotides 126-144 SAM_3 domain-containing protein;SH3 domain-containing protein Caenorhabditis elegans 21-25 15558032-2 2004 This is the case for Eps8, a receptor tyrosine kinase (RTK) substrate that participates in the activation of the Rac-specific guanine nucleotide-exchange function of Sos1 (refs 2-5), thereby regulating actin remodelling by RTKs. Guanine Nucleotides 126-144 Son of sevenless homolog Caenorhabditis elegans 166-170 15337739-2 2004 RGS14 regulates G protein nucleotide exchange and hydrolysis by acting as a GAP through its RGS domain and as a guanine nucleotide dissociation inhibitor (GDI) through its GoLoco motif. Guanine Nucleotides 112-130 regulator of G protein signaling 14 Homo sapiens 0-5 15337739-2 2004 RGS14 regulates G protein nucleotide exchange and hydrolysis by acting as a GAP through its RGS domain and as a guanine nucleotide dissociation inhibitor (GDI) through its GoLoco motif. Guanine Nucleotides 112-130 paired like homeodomain 2 Homo sapiens 0-3 15337739-7 2004 We found that RGS14 inhibits guanine nucleotide exchange on Galphai1 and Galphai3 could, but not Galphai2. Guanine Nucleotides 29-47 regulator of G protein signaling 14 Homo sapiens 14-19 15655710-2 2004 GLP-1 utilizes this receptor to activate two distinct classes of cAMP-binding proteins: protein kinase A (PKA) and the Epac family of cAMP-regulated guanine nucleotide exchange factors (cAMPGEFs). Guanine Nucleotides 149-167 Rap guanine nucleotide exchange factor 3 Homo sapiens 119-123 15319436-1 2004 Translationally controlled tumor protein (TCTP) is cytoplasmic and structurally related to guanine-nucleotide free chaperones. Guanine Nucleotides 91-109 tumor protein, translationally-controlled 1 Homo sapiens 0-40 15465628-3 2004 Previous studies indicate pre-treatment with guanine nucleotides displaces endogenous GAL from GAL receptors (GALR), providing an indirect measurement of GALR occupancy. Guanine Nucleotides 45-64 galanin and GMAP prepropeptide Homo sapiens 86-89 15465628-4 2004 In addition, pre-treatment with guanine nucleotides may provide a more accurate measurement of GALR density since it would avoid the masking of GALRs by residual binding of endogenous GAL. Guanine Nucleotides 32-51 galanin and GMAP prepropeptide Homo sapiens 95-98 15465628-5 2004 Thus, in the present study, we examined the influence of pre-treatment with guanine nucleotides on 125I-GAL binding in multiple regions of normal and AD brain. Guanine Nucleotides 76-95 galanin and GMAP prepropeptide Homo sapiens 104-107 15319436-1 2004 Translationally controlled tumor protein (TCTP) is cytoplasmic and structurally related to guanine-nucleotide free chaperones. Guanine Nucleotides 91-109 tumor protein, translationally-controlled 1 Homo sapiens 42-46 15479739-0 2004 Rap1 promotes cell spreading by localizing Rac guanine nucleotide exchange factors. Guanine Nucleotides 47-65 RAP1A, member of RAS oncogene family Homo sapiens 0-4 15369761-2 2004 We report here that guanine nucleotide sensitivity of agonist binding to hippocampal 5-HT1A receptors is dependent on the concentration of Mg2+. Guanine Nucleotides 20-38 5-hydroxytryptamine receptor 1A Bos taurus 85-91 15369761-5 2004 These results point out the requirement of an optimal concentration of Mg2+ which could be used in assays toward determining guanine nucleotide sensitivity of ligand binding to GPCRs such as the 5-HT1A receptor. Guanine Nucleotides 125-143 5-hydroxytryptamine receptor 1A Bos taurus 195-201 15369761-6 2004 Our results provide novel insight into the requirement and concentration dependence of Mg2+ in relation to guanine nucleotide sensitivity for the 5-HT1A receptor in particular, and GPCRs in general. Guanine Nucleotides 107-125 5-hydroxytryptamine receptor 1A Bos taurus 146-152 15498490-1 2004 Members of the Rho/Rac/Cdc42 superfamily of GTPases and their upstream activators, guanine nucleotide exchange factors (GEFs) , have emerged as key regulators of actin and microtubule dynamics. Guanine Nucleotides 83-101 Rac1 Drosophila melanogaster 19-22 15498490-1 2004 Members of the Rho/Rac/Cdc42 superfamily of GTPases and their upstream activators, guanine nucleotide exchange factors (GEFs) , have emerged as key regulators of actin and microtubule dynamics. Guanine Nucleotides 83-101 Cdc42 Drosophila melanogaster 23-28 15292224-3 2004 The present study investigated the roles of Rho GTPase guanine nucleotide disassociation inhibitor (RhoGDI) in the reorganization of actin cytoskeleton mediated by ExoS RhoGAP. Guanine Nucleotides 55-73 Rho GDP dissociation inhibitor alpha Homo sapiens 100-106 15479739-2 2004 Here, we demonstrate that Rap1 regulates cell spreading by localizing guanine nucleotide exchange factors (GEFs) that act via the Rho family GTPase Rac1. Guanine Nucleotides 70-88 RAP1A, member of RAS oncogene family Homo sapiens 26-30 15479739-2 2004 Here, we demonstrate that Rap1 regulates cell spreading by localizing guanine nucleotide exchange factors (GEFs) that act via the Rho family GTPase Rac1. Guanine Nucleotides 70-88 Rac family small GTPase 1 Homo sapiens 148-152 15313192-1 2004 Rap1 and Ral, the small GTPases belonging to the Ras superfamily, have recently attracted much attention; Ral because of Ral-specific guanine nucleotide exchange factors which are regulated by direct binding to Ras and Rap1 because of its proposed role as an antagonist of Ras signaling. Guanine Nucleotides 134-152 RAP1A, member of RAS oncogene family Homo sapiens 0-4 15385461-1 2004 The stringent response is a mechanism by which bacteria adapt to nutritional deficiencies through the production of the guanine nucleotides ppGpp and pppGpp, produced by the RelA enzyme. Guanine Nucleotides 120-139 Relish Drosophila melanogaster 174-178 15368366-8 2004 Because the guanine nucleotide binding site is deeply buried in this cleft and those interdomain interactions are playing an important role in regulating the basal GDP/GTP nucleotide exchange rate of Galpha subunits, we studied the role of these highly conserved R and E residues in Galpha function. Guanine Nucleotides 12-30 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 200-206 15470141-4 2004 We show here that the small GTP-binding protein Ral, its guanine nucleotide exchange factor RalGDS (Ral GDP dissociation stimulator), and phospholipase D2 (PLD2) are constitutively associated with class 1 mGluRs and regulate constitutive mGluR endocytosis. Guanine Nucleotides 57-75 RAS like proto-oncogene A Homo sapiens 48-51 15470141-4 2004 We show here that the small GTP-binding protein Ral, its guanine nucleotide exchange factor RalGDS (Ral GDP dissociation stimulator), and phospholipase D2 (PLD2) are constitutively associated with class 1 mGluRs and regulate constitutive mGluR endocytosis. Guanine Nucleotides 57-75 ral guanine nucleotide dissociation stimulator Homo sapiens 92-98 15470141-4 2004 We show here that the small GTP-binding protein Ral, its guanine nucleotide exchange factor RalGDS (Ral GDP dissociation stimulator), and phospholipase D2 (PLD2) are constitutively associated with class 1 mGluRs and regulate constitutive mGluR endocytosis. Guanine Nucleotides 57-75 ral guanine nucleotide dissociation stimulator Homo sapiens 100-131 15485764-1 2004 BACKGROUND: Rho guanine nucleotide exchange factors (RhoGEF) link activation of G protein-coupled receptors (GPCR) to RhoA/Rho-kinase signaling. Guanine Nucleotides 16-34 ras homolog family member A Rattus norvegicus 118-122 15302586-5 2004 We also investigated the breakpoint cluster region protein (Bcr), which possesses the Dbl and PH domains characteristic of guanine nucleotide exchange factors for Rho family GTPases, as a possible link between Fes, Rac/Cdc42 activation, and neuritogenesis. Guanine Nucleotides 123-141 BCR activator of RhoGEF and GTPase Rattus norvegicus 25-58 15302586-5 2004 We also investigated the breakpoint cluster region protein (Bcr), which possesses the Dbl and PH domains characteristic of guanine nucleotide exchange factors for Rho family GTPases, as a possible link between Fes, Rac/Cdc42 activation, and neuritogenesis. Guanine Nucleotides 123-141 BCR activator of RhoGEF and GTPase Rattus norvegicus 60-63 15313192-1 2004 Rap1 and Ral, the small GTPases belonging to the Ras superfamily, have recently attracted much attention; Ral because of Ral-specific guanine nucleotide exchange factors which are regulated by direct binding to Ras and Rap1 because of its proposed role as an antagonist of Ras signaling. Guanine Nucleotides 134-152 RAS like proto-oncogene A Homo sapiens 9-12 15313192-1 2004 Rap1 and Ral, the small GTPases belonging to the Ras superfamily, have recently attracted much attention; Ral because of Ral-specific guanine nucleotide exchange factors which are regulated by direct binding to Ras and Rap1 because of its proposed role as an antagonist of Ras signaling. Guanine Nucleotides 134-152 RAS like proto-oncogene A Homo sapiens 106-109 15313192-1 2004 Rap1 and Ral, the small GTPases belonging to the Ras superfamily, have recently attracted much attention; Ral because of Ral-specific guanine nucleotide exchange factors which are regulated by direct binding to Ras and Rap1 because of its proposed role as an antagonist of Ras signaling. Guanine Nucleotides 134-152 RAS like proto-oncogene A Homo sapiens 106-109 15313192-1 2004 Rap1 and Ral, the small GTPases belonging to the Ras superfamily, have recently attracted much attention; Ral because of Ral-specific guanine nucleotide exchange factors which are regulated by direct binding to Ras and Rap1 because of its proposed role as an antagonist of Ras signaling. Guanine Nucleotides 134-152 RAP1A, member of RAS oncogene family Homo sapiens 219-223 15289618-2 2004 Here, we report the molecular identification of two classic Drosophila eye-color genes required for pigment granule biogenesis, claret and lightoid; the former encodes a protein containing seven repeats with sequence similarity to those that characterize regulator of chromosome condensation 1 (RCC1, a guanine nucleotide exchange factor for the small GTPase, Ran), and the latter encodes a rab GTPase, Rab-RP1. Guanine Nucleotides 303-321 Rab32 Drosophila melanogaster 139-147 15205454-6 2004 ETA-induced caspase-3 activity in human mast cells was demonstrated by the detection of a characteristic 23 kDa product of D4-GDI (where GDI is guanine nucleotide dissociation inhibitor), an endogenous caspase-3 substrate. Guanine Nucleotides 144-162 endothelin receptor type A Homo sapiens 0-3 15205454-6 2004 ETA-induced caspase-3 activity in human mast cells was demonstrated by the detection of a characteristic 23 kDa product of D4-GDI (where GDI is guanine nucleotide dissociation inhibitor), an endogenous caspase-3 substrate. Guanine Nucleotides 144-162 caspase 3 Homo sapiens 12-21 15205454-6 2004 ETA-induced caspase-3 activity in human mast cells was demonstrated by the detection of a characteristic 23 kDa product of D4-GDI (where GDI is guanine nucleotide dissociation inhibitor), an endogenous caspase-3 substrate. Guanine Nucleotides 144-162 caspase 3 Homo sapiens 202-211 15320955-0 2004 Phosphorylated guanine nucleotide exchange factor C3G, induced by pervanadate and Src family kinases localizes to the Golgi and subcortical actin cytoskeleton. Guanine Nucleotides 15-33 Rap guanine nucleotide exchange factor 1 Homo sapiens 50-53 15320955-0 2004 Phosphorylated guanine nucleotide exchange factor C3G, induced by pervanadate and Src family kinases localizes to the Golgi and subcortical actin cytoskeleton. Guanine Nucleotides 15-33 SRC proto-oncogene, non-receptor tyrosine kinase Homo sapiens 82-85 15287724-1 2004 Cdc42Hs, a member of the Ras superfamily of GTP-binding signal transduction proteins, binds guanine nucleotides, and acts as a molecular-timing switch in multiple signal transduction pathways. Guanine Nucleotides 92-111 cell division cycle 42 Homo sapiens 0-7 15247254-0 2004 Homo-oligomerization of ALS2 through its unique carboxyl-terminal regions is essential for the ALS2-associated Rab5 guanine nucleotide exchange activity and its regulatory function on endosome trafficking. Guanine Nucleotides 116-134 alsin Rho guanine nucleotide exchange factor ALS2 Homo sapiens 24-28 15247254-0 2004 Homo-oligomerization of ALS2 through its unique carboxyl-terminal regions is essential for the ALS2-associated Rab5 guanine nucleotide exchange activity and its regulatory function on endosome trafficking. Guanine Nucleotides 116-134 alsin Rho guanine nucleotide exchange factor ALS2 Homo sapiens 95-99 15247254-0 2004 Homo-oligomerization of ALS2 through its unique carboxyl-terminal regions is essential for the ALS2-associated Rab5 guanine nucleotide exchange activity and its regulatory function on endosome trafficking. Guanine Nucleotides 116-134 RAB5A, member RAS oncogene family Homo sapiens 111-115 15289618-2 2004 Here, we report the molecular identification of two classic Drosophila eye-color genes required for pigment granule biogenesis, claret and lightoid; the former encodes a protein containing seven repeats with sequence similarity to those that characterize regulator of chromosome condensation 1 (RCC1, a guanine nucleotide exchange factor for the small GTPase, Ran), and the latter encodes a rab GTPase, Rab-RP1. Guanine Nucleotides 303-321 Regulator of chromosome condensation 1 Drosophila melanogaster 295-299 15289618-2 2004 Here, we report the molecular identification of two classic Drosophila eye-color genes required for pigment granule biogenesis, claret and lightoid; the former encodes a protein containing seven repeats with sequence similarity to those that characterize regulator of chromosome condensation 1 (RCC1, a guanine nucleotide exchange factor for the small GTPase, Ran), and the latter encodes a rab GTPase, Rab-RP1. Guanine Nucleotides 303-321 Ran Drosophila melanogaster 360-363 15289618-2 2004 Here, we report the molecular identification of two classic Drosophila eye-color genes required for pigment granule biogenesis, claret and lightoid; the former encodes a protein containing seven repeats with sequence similarity to those that characterize regulator of chromosome condensation 1 (RCC1, a guanine nucleotide exchange factor for the small GTPase, Ran), and the latter encodes a rab GTPase, Rab-RP1. Guanine Nucleotides 303-321 Rab32 Drosophila melanogaster 403-410 15096500-4 2004 The activity of AGS4 in the yeast-based functional screen was selective for G(i2)/G(i3) and independent of guanine-nucleotide exchange by G(i)alpha. Guanine Nucleotides 107-125 G protein signaling modulator 3 Homo sapiens 16-20 15289326-10 2004 Instead, the use of chimeric plexin-B1 receptors, Rho inhibitors, and lentiviral gene delivery of interfering molecules revealed that these proangiogenic effects are dependent on a COOH-terminal PDZ-binding motif of plexin-B1, which binds two guanine nucleotide exchange factors for the small GTPase Rho, PDZ-RhoGEF and LARG, and are mediated by the activation of Rho-initiated pathways. Guanine Nucleotides 243-261 plexin B1 Mus musculus 216-225 15252117-3 2004 Overexpression of PLC-gamma1 increases endocytosis of the EGF receptor by increasing guanine nucleotide exchange activity of dynamin-1. Guanine Nucleotides 85-103 phospholipase C, gamma 1 Rattus norvegicus 18-28 15252117-3 2004 Overexpression of PLC-gamma1 increases endocytosis of the EGF receptor by increasing guanine nucleotide exchange activity of dynamin-1. Guanine Nucleotides 85-103 epidermal growth factor receptor Rattus norvegicus 58-70 15252117-3 2004 Overexpression of PLC-gamma1 increases endocytosis of the EGF receptor by increasing guanine nucleotide exchange activity of dynamin-1. Guanine Nucleotides 85-103 dynamin 1 Rattus norvegicus 125-134 15249579-2 2004 Vav proteins are Rho family guanine nucleotide exchange factors that become tyrosine phosphorylated in response to adhesion. Guanine Nucleotides 28-46 vav guanine nucleotide exchange factor 1 Homo sapiens 0-3 15236586-2 2004 To better understand the structure-function characteristics of transducin activation, we have set out to identify spectroscopic probes that bind to the guanine nucleotide-binding site of this G protein and maintain its ability to interact with its specific cellular target/effector, the cyclic GMP phosphodiesterase (PDE). Guanine Nucleotides 152-170 aldehyde dehydrogenase 7 family member A1 Homo sapiens 317-320 15198677-2 2004 BIG2 is a Sec7 domain-containing guanine nucleotide exchange factor known to be involved in vesicular and protein trafficking. Guanine Nucleotides 33-51 ADP ribosylation factor guanine nucleotide exchange factor 2 Homo sapiens 0-4 15198677-2 2004 BIG2 is a Sec7 domain-containing guanine nucleotide exchange factor known to be involved in vesicular and protein trafficking. Guanine Nucleotides 33-51 cytohesin 1 Homo sapiens 10-14 15213298-1 2004 RasGRP is a family of guanine nucleotide exchange factors that activate small GTPases and contain a C1 domain similar to the one present in protein kinase C (PKC). Guanine Nucleotides 22-40 RAS guanyl releasing protein 1 Homo sapiens 0-6 15213298-1 2004 RasGRP is a family of guanine nucleotide exchange factors that activate small GTPases and contain a C1 domain similar to the one present in protein kinase C (PKC). Guanine Nucleotides 22-40 proline rich transmembrane protein 2 Homo sapiens 140-156 15213298-1 2004 RasGRP is a family of guanine nucleotide exchange factors that activate small GTPases and contain a C1 domain similar to the one present in protein kinase C (PKC). Guanine Nucleotides 22-40 proline rich transmembrane protein 2 Homo sapiens 158-161 15203004-3 2004 Ran-GTP is generated by the guanine nucleotide exchange factor RCC1, the localization of which to chromosomes is necessary for the fidelity of mitosis in human cells. Guanine Nucleotides 28-46 RAN, member RAS oncogene family Homo sapiens 0-3 15203004-3 2004 Ran-GTP is generated by the guanine nucleotide exchange factor RCC1, the localization of which to chromosomes is necessary for the fidelity of mitosis in human cells. Guanine Nucleotides 28-46 regulator of chromosome condensation 1 Homo sapiens 63-67 15210733-3 2004 Plexin-B1 has recently been shown to mediate activation of RhoA through a stable interaction with the Rho guanine nucleotide exchange factors PDZ-RhoGEF and LARG. Guanine Nucleotides 106-124 plexin B1 Homo sapiens 0-9 15210733-3 2004 Plexin-B1 has recently been shown to mediate activation of RhoA through a stable interaction with the Rho guanine nucleotide exchange factors PDZ-RhoGEF and LARG. Guanine Nucleotides 106-124 ras homolog family member A Homo sapiens 59-63 15210733-3 2004 Plexin-B1 has recently been shown to mediate activation of RhoA through a stable interaction with the Rho guanine nucleotide exchange factors PDZ-RhoGEF and LARG. Guanine Nucleotides 106-124 Rho guanine nucleotide exchange factor 11 Homo sapiens 142-152 15210733-3 2004 Plexin-B1 has recently been shown to mediate activation of RhoA through a stable interaction with the Rho guanine nucleotide exchange factors PDZ-RhoGEF and LARG. Guanine Nucleotides 106-124 Rho guanine nucleotide exchange factor 12 Homo sapiens 157-161 15073184-0 2004 Requirement for C-terminal sequences in regulation of Ect2 guanine nucleotide exchange specificity and transformation. Guanine Nucleotides 59-77 epithelial cell transforming 2 Homo sapiens 54-58 15073184-1 2004 Ect2 was identified originally as a transforming protein and a member of the Dbl family of Rho guanine nucleotide exchange factors (GEFs). Guanine Nucleotides 95-113 epithelial cell transforming 2 Homo sapiens 0-4 15073184-1 2004 Ect2 was identified originally as a transforming protein and a member of the Dbl family of Rho guanine nucleotide exchange factors (GEFs). Guanine Nucleotides 95-113 MCF.2 cell line derived transforming sequence Homo sapiens 77-80 15033976-4 2004 We found that the Vps9p domain of alsin has Rab5 guanine nucleotide exchange activity. Guanine Nucleotides 49-67 alsin Rho guanine nucleotide exchange factor ALS2 Homo sapiens 34-39 15033976-4 2004 We found that the Vps9p domain of alsin has Rab5 guanine nucleotide exchange activity. Guanine Nucleotides 49-67 RAB5A, member RAS oncogene family Homo sapiens 44-48 15274927-1 2004 Dbl proteins are guanine nucleotide exchange factors for Rho GTPases, containing adjacent Dbl homology (DH) and pleckstrin homology (PH) domains. Guanine Nucleotides 17-35 MCF.2 cell line derived transforming sequence Homo sapiens 0-3 15197281-2 2004 Here, by using the computer algorithm PARE, we designed a set of mutants of the Ras effector protein Ral guanine nucleotide dissociation stimulator (RalGDS) with optimized electrostatic steering. Guanine Nucleotides 105-123 RAS like proto-oncogene A Homo sapiens 101-104 15197281-2 2004 Here, by using the computer algorithm PARE, we designed a set of mutants of the Ras effector protein Ral guanine nucleotide dissociation stimulator (RalGDS) with optimized electrostatic steering. Guanine Nucleotides 105-123 ral guanine nucleotide dissociation stimulator Homo sapiens 149-155 15108020-2 2004 Specific functional domains within Cdc42p are required for guanine-nucleotide binding, interactions with downstream effectors, and membrane localization. Guanine Nucleotides 59-77 Rho family GTPase CDC42 Saccharomyces cerevisiae S288C 35-41 15108020-3 2004 However, little is known about how Cdc42p is clustered at polarized growth sites or is extracted from membranes by Rho guanine-nucleotide dissociation inhibitors (RhoGDIs) at specific times in the cell cycle. Guanine Nucleotides 119-137 Rho family GTPase CDC42 Saccharomyces cerevisiae S288C 35-41 15143072-2 2004 These receptors activate rho via G(12/13) family heterotrimeric G proteins, which are known to directly activate three distinct rho guanine nucleotide exchange factors (rhoGEFs) that contain a regulator of G protein signaling (RGS) domain (RGS-rhoGEFs). Guanine Nucleotides 132-150 paired like homeodomain 2 Homo sapiens 193-225 15143072-2 2004 These receptors activate rho via G(12/13) family heterotrimeric G proteins, which are known to directly activate three distinct rho guanine nucleotide exchange factors (rhoGEFs) that contain a regulator of G protein signaling (RGS) domain (RGS-rhoGEFs). Guanine Nucleotides 132-150 paired like homeodomain 2 Homo sapiens 227-230 15143072-2 2004 These receptors activate rho via G(12/13) family heterotrimeric G proteins, which are known to directly activate three distinct rho guanine nucleotide exchange factors (rhoGEFs) that contain a regulator of G protein signaling (RGS) domain (RGS-rhoGEFs). Guanine Nucleotides 132-150 paired like homeodomain 2 Homo sapiens 240-243 15143162-5 2004 Expression of RasGRP3, a Ca(2+)/diacylglycerol-regulated guanine nucleotide exchange factor for Ras-like GTPases, but not expression of various other exchange factors enhanced GTP loading of Rap2B and PLC/Ca(2+) signaling by the EGF receptor. Guanine Nucleotides 57-75 RAS guanyl releasing protein 3 Homo sapiens 14-21 15121857-2 2004 We report here that the COOH-terminal region of Nox1, a protein related to gp91(phox) (Nox2) of phagocytic cells, is constitutively associated with beta Pix, a guanine nucleotide exchange factor for Rac. Guanine Nucleotides 160-178 NADPH oxidase 1 Homo sapiens 48-52 15120622-4 2004 Recently, we found that oxidized human Ngb bound to the alpha-subunits of heterotrimeric G proteins (Galpha) and acted as a guanine nucleotide dissociation inhibitor for Galpha. Guanine Nucleotides 124-142 neuroglobin Homo sapiens 39-42 15120622-4 2004 Recently, we found that oxidized human Ngb bound to the alpha-subunits of heterotrimeric G proteins (Galpha) and acted as a guanine nucleotide dissociation inhibitor for Galpha. Guanine Nucleotides 124-142 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 170-176 15120616-1 2004 betaPix (Pak-interacting exchange factor) isoforms are recently identified guanine nucleotide exchange factors (GEFs) for Rho family GTPases, Rac/Cdc42, that are key players in the regulation of actin dynamics. Guanine Nucleotides 75-93 Rho guanine nucleotide exchange factor 7 Rattus norvegicus 0-7 15120616-1 2004 betaPix (Pak-interacting exchange factor) isoforms are recently identified guanine nucleotide exchange factors (GEFs) for Rho family GTPases, Rac/Cdc42, that are key players in the regulation of actin dynamics. Guanine Nucleotides 75-93 cell division cycle 42 Rattus norvegicus 146-151 15026540-10 2004 This includes the down-regulation of adenylyl cyclase 7 and 9, elevation of cAMP-dependent phosphodiesterase, and the up-regulation of a negative regulator of G-protein signalling (RGS16) that may negate gonadotrophin signalling via guanine nucleotide binding proteins. Guanine Nucleotides 233-251 regulator of G protein signaling 16 Homo sapiens 181-186 15121857-2 2004 We report here that the COOH-terminal region of Nox1, a protein related to gp91(phox) (Nox2) of phagocytic cells, is constitutively associated with beta Pix, a guanine nucleotide exchange factor for Rac. Guanine Nucleotides 160-178 cytochrome b-245 beta chain Homo sapiens 87-91 15121857-2 2004 We report here that the COOH-terminal region of Nox1, a protein related to gp91(phox) (Nox2) of phagocytic cells, is constitutively associated with beta Pix, a guanine nucleotide exchange factor for Rac. Guanine Nucleotides 160-178 AKT serine/threonine kinase 1 Homo sapiens 199-202 14764585-5 2004 Furthermore, we show that Vav1 transduces TCR signals to Ras by controlling the membrane recruitment of two guanine nucleotide exchange factors. Guanine Nucleotides 108-126 vav guanine nucleotide exchange factor 1 Homo sapiens 26-30 15062873-7 2004 Additionally, DNA microarray data classifies TCTP (HrHRF) as co-regulated with ribosomal proteins and recent structural analysis of TCTP (HrHRF) relates it to a guanine nucleotide-free chaperone. Guanine Nucleotides 161-179 tumor protein, translationally-controlled 1 Homo sapiens 132-136 14970201-2 2004 Here we identify a region in the carboxyl terminus of GEF-H1 that is important for suppression of its guanine nucleotide exchange activity by microtubules. Guanine Nucleotides 102-120 Rho/Rac guanine nucleotide exchange factor 2 Homo sapiens 54-60 15107133-8 2004 In accordance with these findings, Scambio does not activate either Rac or Cdc42 but rather, stimulates guanine nucleotide exchange on RhoA and its close relative, RhoC. Guanine Nucleotides 104-122 ras homolog family member A Homo sapiens 135-139 15107133-8 2004 In accordance with these findings, Scambio does not activate either Rac or Cdc42 but rather, stimulates guanine nucleotide exchange on RhoA and its close relative, RhoC. Guanine Nucleotides 104-122 ras homolog family member C Homo sapiens 164-168 14761976-5 2004 PIKE-A directly binds to activated Akt but not PI 3-kinase in a guanine nucleotide-dependent way and stimulates the kinase activity of Akt. Guanine Nucleotides 64-82 ArfGAP with GTPase domain, ankyrin repeat and PH domain 2 Homo sapiens 0-4 14761976-5 2004 PIKE-A directly binds to activated Akt but not PI 3-kinase in a guanine nucleotide-dependent way and stimulates the kinase activity of Akt. Guanine Nucleotides 64-82 AKT serine/threonine kinase 1 Homo sapiens 35-38 15033454-6 2004 These results indicate that SPF2 activity is modulated by guanine nucleotides and alpha-tocopherol, as well as by phosphorylation. Guanine Nucleotides 58-77 SEC14-like lipid binding 3 Rattus norvegicus 28-32 14709332-4 2004 These ATRA-induced events are independent on the guanine nucleotide exchange activity of Vav. Guanine Nucleotides 49-67 vav guanine nucleotide exchange factor 1 Homo sapiens 89-92 15039571-1 2004 PDZ-containing RhoGEF (PDZ-RhoGEF) is a multidomain protein composed of 1522 amino acids that belongs to the guanine nucleotide exchange factors family (GEF) active on Rho GTPases. Guanine Nucleotides 109-127 Rho guanine nucleotide exchange factor 11 Homo sapiens 15-21 15039571-1 2004 PDZ-containing RhoGEF (PDZ-RhoGEF) is a multidomain protein composed of 1522 amino acids that belongs to the guanine nucleotide exchange factors family (GEF) active on Rho GTPases. Guanine Nucleotides 109-127 Rho guanine nucleotide exchange factor 11 Homo sapiens 23-33 15200053-1 2004 ras-p21 protein binds to the son-of-sevenless (SOS) guanine nucleotide-exchange promoter that allows it to exchange GDP for GTP. Guanine Nucleotides 52-70 H3 histone pseudogene 16 Homo sapiens 4-7 15023538-5 2004 Using adenovirally expressed dominant negative and constitutively active rab5 [rab5(S34N) and rab5(Q79L)] in cells with endogenous EGFRs, we have found that the guanine nucleotide binding state of rab5 has no bearing on the rate of EGFR endocytosis. Guanine Nucleotides 161-179 RAB5A, member RAS oncogene family Homo sapiens 73-77 15023538-5 2004 Using adenovirally expressed dominant negative and constitutively active rab5 [rab5(S34N) and rab5(Q79L)] in cells with endogenous EGFRs, we have found that the guanine nucleotide binding state of rab5 has no bearing on the rate of EGFR endocytosis. Guanine Nucleotides 161-179 RAB5A, member RAS oncogene family Homo sapiens 79-83 15023538-5 2004 Using adenovirally expressed dominant negative and constitutively active rab5 [rab5(S34N) and rab5(Q79L)] in cells with endogenous EGFRs, we have found that the guanine nucleotide binding state of rab5 has no bearing on the rate of EGFR endocytosis. Guanine Nucleotides 161-179 RAB5A, member RAS oncogene family Homo sapiens 79-83 15023538-5 2004 Using adenovirally expressed dominant negative and constitutively active rab5 [rab5(S34N) and rab5(Q79L)] in cells with endogenous EGFRs, we have found that the guanine nucleotide binding state of rab5 has no bearing on the rate of EGFR endocytosis. Guanine Nucleotides 161-179 RAB5A, member RAS oncogene family Homo sapiens 79-83 15023538-5 2004 Using adenovirally expressed dominant negative and constitutively active rab5 [rab5(S34N) and rab5(Q79L)] in cells with endogenous EGFRs, we have found that the guanine nucleotide binding state of rab5 has no bearing on the rate of EGFR endocytosis. Guanine Nucleotides 161-179 epidermal growth factor receptor Homo sapiens 131-135 15200054-1 2004 In the accompanying paper, we found, using molecular dynamics calculations, four domains of the ras-specific SOS guanine nucleotide exchange protein (residues 589-601, 654-675, 746-761, and 980-989) that differ markedly in conformation when SOS is complexed with either oncogenic (Val 12-) ras-p21 or wild-type ras-p21. Guanine Nucleotides 113-131 H3 histone pseudogene 16 Homo sapiens 294-297 15200054-1 2004 In the accompanying paper, we found, using molecular dynamics calculations, four domains of the ras-specific SOS guanine nucleotide exchange protein (residues 589-601, 654-675, 746-761, and 980-989) that differ markedly in conformation when SOS is complexed with either oncogenic (Val 12-) ras-p21 or wild-type ras-p21. Guanine Nucleotides 113-131 H3 histone pseudogene 16 Homo sapiens 315-318 15019743-1 2004 It has been demonstrated that Saccharomyces cerevisiae Vam6p/Vps39p plays a critical role in the tethering steps of vacuolar membrane fusion by facilitating guanine nucleotide exchange on small guanosine triphosphatase (GTPase) Vam4p/Ypt7p. Guanine Nucleotides 157-175 Vam6p Saccharomyces cerevisiae S288C 55-60 14656218-0 2004 Guanine nucleotide dissociation inhibitor activity of the triple GoLoco motif protein G18: alanine-to-aspartate mutation restores function to an inactive second GoLoco motif. Guanine Nucleotides 0-18 G protein signaling modulator 3 Homo sapiens 86-89 14656218-1 2004 GoLoco ("Galpha(i/o)-Loco" interaction) motif proteins have recently been identified as novel GDIs (guanine nucleotide dissociation inhibitors) for heterotrimeric G-protein alpha subunits. Guanine Nucleotides 100-118 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 9-15 14981049-2 2004 Mutations within the gene encoding inosine monophosphate dehydrogenase 1 (IMPDH1), the widely expressed rate-limiting enzyme of the de novo pathway of guanine nucleotide biosynthesis, have recently been shown to cause the RP10 form of autosomal dominant RP. Guanine Nucleotides 151-169 inosine monophosphate dehydrogenase 1 Homo sapiens 35-72 14981049-2 2004 Mutations within the gene encoding inosine monophosphate dehydrogenase 1 (IMPDH1), the widely expressed rate-limiting enzyme of the de novo pathway of guanine nucleotide biosynthesis, have recently been shown to cause the RP10 form of autosomal dominant RP. Guanine Nucleotides 151-169 inosine monophosphate dehydrogenase 1 Homo sapiens 74-80 14981049-2 2004 Mutations within the gene encoding inosine monophosphate dehydrogenase 1 (IMPDH1), the widely expressed rate-limiting enzyme of the de novo pathway of guanine nucleotide biosynthesis, have recently been shown to cause the RP10 form of autosomal dominant RP. Guanine Nucleotides 151-169 inosine monophosphate dehydrogenase 1 Homo sapiens 222-226 14981049-3 2004 We examined the expression of IMPDH1, IMPDH2 and HPRT transcripts, encoding enzymes of the de novo and salvage pathways of guanine nucleotide biosynthesis, respectively, in retinal sections of mice, the data indicating that the bulk of GTP within photoreceptors is generated by IMPDH1. Guanine Nucleotides 123-141 inosine monophosphate dehydrogenase 1 Mus musculus 30-36 14981049-3 2004 We examined the expression of IMPDH1, IMPDH2 and HPRT transcripts, encoding enzymes of the de novo and salvage pathways of guanine nucleotide biosynthesis, respectively, in retinal sections of mice, the data indicating that the bulk of GTP within photoreceptors is generated by IMPDH1. Guanine Nucleotides 123-141 hypoxanthine guanine phosphoribosyl transferase Mus musculus 49-53 15019743-1 2004 It has been demonstrated that Saccharomyces cerevisiae Vam6p/Vps39p plays a critical role in the tethering steps of vacuolar membrane fusion by facilitating guanine nucleotide exchange on small guanosine triphosphatase (GTPase) Vam4p/Ypt7p. Guanine Nucleotides 157-175 Vam6p Saccharomyces cerevisiae S288C 61-67 15019743-1 2004 It has been demonstrated that Saccharomyces cerevisiae Vam6p/Vps39p plays a critical role in the tethering steps of vacuolar membrane fusion by facilitating guanine nucleotide exchange on small guanosine triphosphatase (GTPase) Vam4p/Ypt7p. Guanine Nucleotides 157-175 Rab family GTPase YPT7 Saccharomyces cerevisiae S288C 228-233 14988728-3 2004 We report here that the interaction of a Rac1-specific guanine nucleotide-exchanging factor, Tiam1, with ephrin-B1 and EphA2 mediates neurite outgrowth. Guanine Nucleotides 55-73 Rac family small GTPase 1 Mus musculus 41-45 15019743-1 2004 It has been demonstrated that Saccharomyces cerevisiae Vam6p/Vps39p plays a critical role in the tethering steps of vacuolar membrane fusion by facilitating guanine nucleotide exchange on small guanosine triphosphatase (GTPase) Vam4p/Ypt7p. Guanine Nucleotides 157-175 Rab family GTPase YPT7 Saccharomyces cerevisiae S288C 234-239 14988728-3 2004 We report here that the interaction of a Rac1-specific guanine nucleotide-exchanging factor, Tiam1, with ephrin-B1 and EphA2 mediates neurite outgrowth. Guanine Nucleotides 55-73 T cell lymphoma invasion and metastasis 1 Mus musculus 93-98 15005707-0 2004 The first CH domain of affixin activates Cdc42 and Rac1 through alphaPIX, a Cdc42/Rac1-specific guanine nucleotide exchanging factor. Guanine Nucleotides 96-114 cell division control protein 42 homolog Canis lupus familiaris 41-46 14988728-3 2004 We report here that the interaction of a Rac1-specific guanine nucleotide-exchanging factor, Tiam1, with ephrin-B1 and EphA2 mediates neurite outgrowth. Guanine Nucleotides 55-73 ephrin B1 Mus musculus 105-114 14988728-3 2004 We report here that the interaction of a Rac1-specific guanine nucleotide-exchanging factor, Tiam1, with ephrin-B1 and EphA2 mediates neurite outgrowth. Guanine Nucleotides 55-73 Eph receptor A2 Mus musculus 119-124 14979728-2 2004 NO has been shown to promote guanine nucleotide exchange on the critical cellular signaling protein p21Ras (Ras) by S-nitrosylation of a redox-active thiol group (Cys(118)). Guanine Nucleotides 29-47 HRas proto-oncogene, GTPase Homo sapiens 100-106 14973186-2 2004 We show that three guanosine 5"-triphosphate analogs with BODIPY fluorophores coupled via the gamma phosphate bind to the GTPases Cdc42, Rac1, RhoA, and Ras and displace guanosine 5"-diphosphate with high intrinsic exchange rates in the presence of Mg(2+) ions, thereby acting as synthetic, low molecular weight guanine nucleotide exchange factors. Guanine Nucleotides 312-330 cell division cycle 42 Homo sapiens 130-135 14973186-2 2004 We show that three guanosine 5"-triphosphate analogs with BODIPY fluorophores coupled via the gamma phosphate bind to the GTPases Cdc42, Rac1, RhoA, and Ras and displace guanosine 5"-diphosphate with high intrinsic exchange rates in the presence of Mg(2+) ions, thereby acting as synthetic, low molecular weight guanine nucleotide exchange factors. Guanine Nucleotides 312-330 Rac family small GTPase 1 Homo sapiens 137-141 14973186-2 2004 We show that three guanosine 5"-triphosphate analogs with BODIPY fluorophores coupled via the gamma phosphate bind to the GTPases Cdc42, Rac1, RhoA, and Ras and displace guanosine 5"-diphosphate with high intrinsic exchange rates in the presence of Mg(2+) ions, thereby acting as synthetic, low molecular weight guanine nucleotide exchange factors. Guanine Nucleotides 312-330 ras homolog family member A Homo sapiens 143-147 15005707-0 2004 The first CH domain of affixin activates Cdc42 and Rac1 through alphaPIX, a Cdc42/Rac1-specific guanine nucleotide exchanging factor. Guanine Nucleotides 96-114 Rac family small GTPase 1 Canis lupus familiaris 51-55 15005707-0 2004 The first CH domain of affixin activates Cdc42 and Rac1 through alphaPIX, a Cdc42/Rac1-specific guanine nucleotide exchanging factor. Guanine Nucleotides 96-114 cell division control protein 42 homolog Canis lupus familiaris 76-81 15005707-0 2004 The first CH domain of affixin activates Cdc42 and Rac1 through alphaPIX, a Cdc42/Rac1-specific guanine nucleotide exchanging factor. Guanine Nucleotides 96-114 Rac family small GTPase 1 Canis lupus familiaris 82-86 15005707-4 2004 Affixin full length and RP1 co-immunoprecipitated with alphaPIX, a Cdc42/Rac1-specific guanine nucleotide exchanging factor (GEF), and they co-localized at the tips of lamellipodia in motile cells. Guanine Nucleotides 87-105 oxygen-regulated protein 1 Canis lupus familiaris 24-27 15005707-4 2004 Affixin full length and RP1 co-immunoprecipitated with alphaPIX, a Cdc42/Rac1-specific guanine nucleotide exchanging factor (GEF), and they co-localized at the tips of lamellipodia in motile cells. Guanine Nucleotides 87-105 cell division control protein 42 homolog Canis lupus familiaris 67-72 14645372-0 2004 Structural basis for the coordinated regulation of transglutaminase 3 by guanine nucleotides and calcium/magnesium. Guanine Nucleotides 73-92 transglutaminase 3 Homo sapiens 51-69 14744125-6 2004 In particular, the structure of the mammalian Cdc42 protein bound to the SopE protein from Salmonella typhimurium illustrates how two unrelated protein folds are able to carry out guanine nucleotide exchange by a remarkably similar mechanism. Guanine Nucleotides 180-198 cell division cycle 42 Homo sapiens 46-51 14660653-4 2004 Here we present evidence that RhoA associates specifically with the guanine nucleotide exchange factor Lbc in human peripheral blood monocytes stimulated with fMLP and that Lbc specifically catalyzes the guanine nucleotide exchange activity of RhoA in human peripheral blood monocytes. Guanine Nucleotides 68-86 ras homolog family member A Homo sapiens 30-34 14660653-4 2004 Here we present evidence that RhoA associates specifically with the guanine nucleotide exchange factor Lbc in human peripheral blood monocytes stimulated with fMLP and that Lbc specifically catalyzes the guanine nucleotide exchange activity of RhoA in human peripheral blood monocytes. Guanine Nucleotides 68-86 formyl peptide receptor 1 Homo sapiens 159-163 14660653-4 2004 Here we present evidence that RhoA associates specifically with the guanine nucleotide exchange factor Lbc in human peripheral blood monocytes stimulated with fMLP and that Lbc specifically catalyzes the guanine nucleotide exchange activity of RhoA in human peripheral blood monocytes. Guanine Nucleotides 68-86 ras homolog family member A Homo sapiens 244-248 14660653-4 2004 Here we present evidence that RhoA associates specifically with the guanine nucleotide exchange factor Lbc in human peripheral blood monocytes stimulated with fMLP and that Lbc specifically catalyzes the guanine nucleotide exchange activity of RhoA in human peripheral blood monocytes. Guanine Nucleotides 204-222 ras homolog family member A Homo sapiens 30-34 14660653-4 2004 Here we present evidence that RhoA associates specifically with the guanine nucleotide exchange factor Lbc in human peripheral blood monocytes stimulated with fMLP and that Lbc specifically catalyzes the guanine nucleotide exchange activity of RhoA in human peripheral blood monocytes. Guanine Nucleotides 204-222 formyl peptide receptor 1 Homo sapiens 159-163 14660653-4 2004 Here we present evidence that RhoA associates specifically with the guanine nucleotide exchange factor Lbc in human peripheral blood monocytes stimulated with fMLP and that Lbc specifically catalyzes the guanine nucleotide exchange activity of RhoA in human peripheral blood monocytes. Guanine Nucleotides 204-222 ras homolog family member A Homo sapiens 244-248 14610092-1 2004 Co-expression of guanine nucleotide-binding regulatory (G) protein-coupled receptors (GPCRs), such as the G(i/o)-coupled human 5-hydroxytryptamine receptor 1B (5-HT(1B)R), with the G(q/11)-coupled human histamine 1 receptor (H1R) results in an overall increase in agonist-independent signaling, which can be augmented by 5-HT(1B)R agonists and inhibited by a selective inverse 5-HT(1B)R agonist. Guanine Nucleotides 17-35 5-hydroxytryptamine receptor 1B Homo sapiens 160-167 14610092-1 2004 Co-expression of guanine nucleotide-binding regulatory (G) protein-coupled receptors (GPCRs), such as the G(i/o)-coupled human 5-hydroxytryptamine receptor 1B (5-HT(1B)R), with the G(q/11)-coupled human histamine 1 receptor (H1R) results in an overall increase in agonist-independent signaling, which can be augmented by 5-HT(1B)R agonists and inhibited by a selective inverse 5-HT(1B)R agonist. Guanine Nucleotides 17-35 histamine receptor H1 Homo sapiens 203-223 14610092-1 2004 Co-expression of guanine nucleotide-binding regulatory (G) protein-coupled receptors (GPCRs), such as the G(i/o)-coupled human 5-hydroxytryptamine receptor 1B (5-HT(1B)R), with the G(q/11)-coupled human histamine 1 receptor (H1R) results in an overall increase in agonist-independent signaling, which can be augmented by 5-HT(1B)R agonists and inhibited by a selective inverse 5-HT(1B)R agonist. Guanine Nucleotides 17-35 histamine receptor H1 Homo sapiens 225-228 14610092-1 2004 Co-expression of guanine nucleotide-binding regulatory (G) protein-coupled receptors (GPCRs), such as the G(i/o)-coupled human 5-hydroxytryptamine receptor 1B (5-HT(1B)R), with the G(q/11)-coupled human histamine 1 receptor (H1R) results in an overall increase in agonist-independent signaling, which can be augmented by 5-HT(1B)R agonists and inhibited by a selective inverse 5-HT(1B)R agonist. Guanine Nucleotides 17-35 5-hydroxytryptamine receptor 1B Homo sapiens 321-328 14610092-1 2004 Co-expression of guanine nucleotide-binding regulatory (G) protein-coupled receptors (GPCRs), such as the G(i/o)-coupled human 5-hydroxytryptamine receptor 1B (5-HT(1B)R), with the G(q/11)-coupled human histamine 1 receptor (H1R) results in an overall increase in agonist-independent signaling, which can be augmented by 5-HT(1B)R agonists and inhibited by a selective inverse 5-HT(1B)R agonist. Guanine Nucleotides 17-35 5-hydroxytryptamine receptor 1B Homo sapiens 321-328 15009133-0 2004 Somatodendritic localization of the mRNA for EFA6A, a guanine nucleotide exchange protein for ARF6, in rat hippocampus and its involvement in dendritic formation. Guanine Nucleotides 54-72 ADP-ribosylation factor 6 Rattus norvegicus 94-98 14570905-9 2004 It was concluded that the localized activation of Rac1 and Cdc42 was caused by both guanine nucleotide exchange factors and GAPs, and was important for neurite extension. Guanine Nucleotides 84-102 Rac family small GTPase 1 Rattus norvegicus 50-54 14749369-0 2004 Activation of H-Ras in the endoplasmic reticulum by the RasGRF family guanine nucleotide exchange factors. Guanine Nucleotides 70-88 HRas proto-oncogene, GTPase Homo sapiens 14-19 14749369-0 2004 Activation of H-Ras in the endoplasmic reticulum by the RasGRF family guanine nucleotide exchange factors. Guanine Nucleotides 70-88 Ras protein specific guanine nucleotide releasing factor 1 Homo sapiens 56-62 14597635-0 2004 Mechanisms of guanine nucleotide exchange and Rac-mediated signaling revealed by a dominant negative trio mutant. Guanine Nucleotides 14-32 trio Rho guanine nucleotide exchange factor Homo sapiens 101-105 14597621-1 2004 We show here that affinity-purified Saccharomyces cerevisiae septin complexes contain stoichiometric amounts of guanine nucleotides, specifically GTP and GDP. Guanine Nucleotides 112-131 Septin 1 Drosophila melanogaster 61-67 14662653-1 2004 The ARHGEF5/TIM oncogene belongs to the Dbl family of guanine nucleotide exchange factors (GEFs) for Rho GTPases. Guanine Nucleotides 54-72 Rho guanine nucleotide exchange factor 5 Homo sapiens 4-11 14662653-1 2004 The ARHGEF5/TIM oncogene belongs to the Dbl family of guanine nucleotide exchange factors (GEFs) for Rho GTPases. Guanine Nucleotides 54-72 Rho guanine nucleotide exchange factor 5 Homo sapiens 12-15 14662653-9 2004 This pattern suggests that ARHGEF5/TIM activates Rac1, Cdc42 or RhoG rather than RhoA, as previously demonstrated in in vitro guanine nucleotide exchange assays. Guanine Nucleotides 126-144 Rho guanine nucleotide exchange factor 5 Homo sapiens 27-34 14662653-9 2004 This pattern suggests that ARHGEF5/TIM activates Rac1, Cdc42 or RhoG rather than RhoA, as previously demonstrated in in vitro guanine nucleotide exchange assays. Guanine Nucleotides 126-144 Rho guanine nucleotide exchange factor 5 Homo sapiens 35-38 14715237-0 2004 Determination of the kinetics of guanine nucleotide exchange on EF-Tu and EF-Ts: continuing uncertainties. Guanine Nucleotides 33-51 Tu translation elongation factor, mitochondrial Homo sapiens 64-69 14715237-0 2004 Determination of the kinetics of guanine nucleotide exchange on EF-Tu and EF-Ts: continuing uncertainties. Guanine Nucleotides 33-51 Ts translation elongation factor, mitochondrial Homo sapiens 74-79 14715237-5 2004 It thus remains impossible at present satisfactorily to model guanine nucleotide exchange on EF-Tu, catalysed by EF-Ts by a double displacement mechanism, with experimentally derived rate constants. Guanine Nucleotides 62-80 Tu translation elongation factor, mitochondrial Homo sapiens 93-98 14715237-5 2004 It thus remains impossible at present satisfactorily to model guanine nucleotide exchange on EF-Tu, catalysed by EF-Ts by a double displacement mechanism, with experimentally derived rate constants. Guanine Nucleotides 62-80 Ts translation elongation factor, mitochondrial Homo sapiens 113-118 14712228-1 2004 PDZ-RhoGEF, LARG, and p115RhoGEF are members of a newly identified family of Rho-guanine nucleotide exchange factors (GEFs) exhibiting a unique structural feature consisting of the presence of an area of similarity to regulators of G protein signaling (RGS). Guanine Nucleotides 81-99 Rho guanine nucleotide exchange factor 11 Homo sapiens 0-10 14712228-1 2004 PDZ-RhoGEF, LARG, and p115RhoGEF are members of a newly identified family of Rho-guanine nucleotide exchange factors (GEFs) exhibiting a unique structural feature consisting of the presence of an area of similarity to regulators of G protein signaling (RGS). Guanine Nucleotides 81-99 Rho guanine nucleotide exchange factor 12 Homo sapiens 12-16 14712228-1 2004 PDZ-RhoGEF, LARG, and p115RhoGEF are members of a newly identified family of Rho-guanine nucleotide exchange factors (GEFs) exhibiting a unique structural feature consisting of the presence of an area of similarity to regulators of G protein signaling (RGS). Guanine Nucleotides 81-99 Rho guanine nucleotide exchange factor 1 Homo sapiens 22-32 14712228-1 2004 PDZ-RhoGEF, LARG, and p115RhoGEF are members of a newly identified family of Rho-guanine nucleotide exchange factors (GEFs) exhibiting a unique structural feature consisting of the presence of an area of similarity to regulators of G protein signaling (RGS). Guanine Nucleotides 81-99 paired like homeodomain 2 Homo sapiens 218-251 14712228-1 2004 PDZ-RhoGEF, LARG, and p115RhoGEF are members of a newly identified family of Rho-guanine nucleotide exchange factors (GEFs) exhibiting a unique structural feature consisting of the presence of an area of similarity to regulators of G protein signaling (RGS). Guanine Nucleotides 81-99 paired like homeodomain 2 Homo sapiens 253-256 14570905-9 2004 It was concluded that the localized activation of Rac1 and Cdc42 was caused by both guanine nucleotide exchange factors and GAPs, and was important for neurite extension. Guanine Nucleotides 84-102 cell division cycle 42 Rattus norvegicus 59-64 14742910-1 2004 Kalirin is a multidomain guanine nucleotide exchange factor for small GTPbinding proteins of the Rho family. Guanine Nucleotides 25-43 kalirin RhoGEF kinase Homo sapiens 0-7 14693691-3 2004 Instead, an alternative cAMP signaling mechanism has been described, one in which GLP-1 activates cAMP-binding proteins designated as cAMP-regulated guanine nucleotide exchange factors (cAMPGEFs, also known as Epac). Guanine Nucleotides 149-167 glucagon Homo sapiens 82-87 14693691-3 2004 Instead, an alternative cAMP signaling mechanism has been described, one in which GLP-1 activates cAMP-binding proteins designated as cAMP-regulated guanine nucleotide exchange factors (cAMPGEFs, also known as Epac). Guanine Nucleotides 149-167 Rap guanine nucleotide exchange factor 4 Homo sapiens 210-214 14607270-5 2004 We will also cover how the Vav proteins succeed in controlling these processes by their function as guanine nucleotide exchange factors (GEFs) for the Rho/Rac family of GTPases. Guanine Nucleotides 100-118 vav guanine nucleotide exchange factor 1 Homo sapiens 27-30 15250494-1 2004 On activation, G-protein-coupled receptors (GPCRs) exert many of their cellular actions through promotion of guanine nucleotide exchange on the Galpha-subunit of heterotrimeric G-proteins to release free Galpha-GTP and betagamma-subunits. Guanine Nucleotides 109-127 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 144-150 15250494-1 2004 On activation, G-protein-coupled receptors (GPCRs) exert many of their cellular actions through promotion of guanine nucleotide exchange on the Galpha-subunit of heterotrimeric G-proteins to release free Galpha-GTP and betagamma-subunits. Guanine Nucleotides 109-127 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 204-210 15488168-6 2004 AGS3, a guanine nucleotide dissociation inhibitor, stimulates autophagy by binding Galphai3 proteins. Guanine Nucleotides 8-26 G protein signaling modulator 1 Homo sapiens 0-4 15488184-1 2004 Three mammalian Rho guanine nucleotide exchange factors (RhoGEFs), leukemia-associated RhoGEF (LARG), p115RhoGEF, and PDZ-RhoGEF, contain regulator of G-protein signaling (RGS) domains within their amino-terminal regions. Guanine Nucleotides 20-38 paired like homeodomain 2 Homo sapiens 172-175 15488183-0 2004 Modular architecture and novel protein-protein interactions regulating the RGS-containing Rho guanine nucleotide exchange factors. Guanine Nucleotides 94-112 paired like homeodomain 2 Homo sapiens 75-78 15488183-1 2004 The regulator of G-protein signaling (RGS)-containing RhoGEFs, including p115RhoGEF, PDZ-RhoGEF, and LARG, represent a novel family of guanine nucleotide exchange factors for RhoA that are regulated by the Galpha(12/13) family of heterotrimeric G proteins. Guanine Nucleotides 135-153 paired like homeodomain 2 Homo sapiens 38-41 15488183-1 2004 The regulator of G-protein signaling (RGS)-containing RhoGEFs, including p115RhoGEF, PDZ-RhoGEF, and LARG, represent a novel family of guanine nucleotide exchange factors for RhoA that are regulated by the Galpha(12/13) family of heterotrimeric G proteins. Guanine Nucleotides 135-153 Rho guanine nucleotide exchange factor 1 Homo sapiens 73-83 15488189-1 2004 Ric-8A (synembryn) has been shown to accelerate the in vitro guanine nucleotide exchange activities of most G-protein alpha subunits (with the exception of Galphas). Guanine Nucleotides 61-79 RIC8 guanine nucleotide exchange factor A Homo sapiens 0-6 15488189-2 2004 Methods are presented in this article for the purification of Ric-8A and functional analysis of the effects Ric-8A has on G-protein alpha subunit guanine nucleotide-binding activities. Guanine Nucleotides 146-164 RIC8 guanine nucleotide exchange factor A Homo sapiens 108-114 14506233-2 2003 Rac1 is activated by guanine nucleotide exchange factors and inactivated by GTPase-activating proteins. Guanine Nucleotides 21-39 Rac family small GTPase 1 Homo sapiens 0-4 15488183-1 2004 The regulator of G-protein signaling (RGS)-containing RhoGEFs, including p115RhoGEF, PDZ-RhoGEF, and LARG, represent a novel family of guanine nucleotide exchange factors for RhoA that are regulated by the Galpha(12/13) family of heterotrimeric G proteins. Guanine Nucleotides 135-153 Rho guanine nucleotide exchange factor 11 Homo sapiens 85-95 15488183-1 2004 The regulator of G-protein signaling (RGS)-containing RhoGEFs, including p115RhoGEF, PDZ-RhoGEF, and LARG, represent a novel family of guanine nucleotide exchange factors for RhoA that are regulated by the Galpha(12/13) family of heterotrimeric G proteins. Guanine Nucleotides 135-153 Rho guanine nucleotide exchange factor 12 Homo sapiens 101-105 15488183-1 2004 The regulator of G-protein signaling (RGS)-containing RhoGEFs, including p115RhoGEF, PDZ-RhoGEF, and LARG, represent a novel family of guanine nucleotide exchange factors for RhoA that are regulated by the Galpha(12/13) family of heterotrimeric G proteins. Guanine Nucleotides 135-153 ras homolog family member A Homo sapiens 175-179 15488184-1 2004 Three mammalian Rho guanine nucleotide exchange factors (RhoGEFs), leukemia-associated RhoGEF (LARG), p115RhoGEF, and PDZ-RhoGEF, contain regulator of G-protein signaling (RGS) domains within their amino-terminal regions. Guanine Nucleotides 20-38 Rho guanine nucleotide exchange factor 12 Homo sapiens 67-93 15488184-1 2004 Three mammalian Rho guanine nucleotide exchange factors (RhoGEFs), leukemia-associated RhoGEF (LARG), p115RhoGEF, and PDZ-RhoGEF, contain regulator of G-protein signaling (RGS) domains within their amino-terminal regions. Guanine Nucleotides 20-38 Rho guanine nucleotide exchange factor 11 Homo sapiens 118-128 14530282-1 2003 Activator of G protein signaling 3 (AGS3) is a guanine nucleotide dissociation inhibitor (GDI) that contains four G protein regulatory (GPR) or GoLoco motifs in its C-terminal domain. Guanine Nucleotides 47-65 G protein signaling modulator 1 Homo sapiens 0-34 14530282-1 2003 Activator of G protein signaling 3 (AGS3) is a guanine nucleotide dissociation inhibitor (GDI) that contains four G protein regulatory (GPR) or GoLoco motifs in its C-terminal domain. Guanine Nucleotides 47-65 G protein signaling modulator 1 Homo sapiens 36-40 14506233-7 2003 The regulation of both Rac1 and Rac1b activities is dependent on guanine nucleotide exchange factors and GTPase-activating proteins, but the difference in their activation is mainly determined by the inability of Rac1b to interact with Rho-GDI. Guanine Nucleotides 65-83 Rac family small GTPase 1 Homo sapiens 23-27 14623968-0 2003 Translationally controlled tumor protein acts as a guanine nucleotide dissociation inhibitor on the translation elongation factor eEF1A. Guanine Nucleotides 51-69 tumor protein, translationally-controlled 1 Homo sapiens 0-40 14670833-1 2003 The Ras subfamily of 21-kDa ("small") guanine nucleotide binding proteins [which includes Ha-Ras, Ki(A)-Ras, Ki(B)-Ras, and N-Ras] is universally important in regulating intracellular signaling events in mammalian cells and controls their growth, proliferation, senescence, differentiation, and survival. Guanine Nucleotides 38-56 NRAS proto-oncogene, GTPase Homo sapiens 124-129 14506284-5 2003 The EGF-stimulated activation of Cdc42 does require activated Src, as well as the Vav2 protein, a member of the Dbl family of guanine nucleotide exchange factors. Guanine Nucleotides 126-144 cell division cycle 42 Mus musculus 33-38 14506284-5 2003 The EGF-stimulated activation of Cdc42 does require activated Src, as well as the Vav2 protein, a member of the Dbl family of guanine nucleotide exchange factors. Guanine Nucleotides 126-144 vav 2 oncogene Mus musculus 82-86 14575862-4 2003 The PBR promotes the interactions of small GTPases with SmgGDS, which is a nucleocytoplasmic shuttling protein that stimulates guanine nucleotide exchange by small GTPases. Guanine Nucleotides 127-145 Rap1 GTPase-GDP dissociation stimulator 1 Homo sapiens 56-62 14566969-10 2003 Rab3D, but not Rab3DQ81L, bound to parotid membranes suggesting that Rab3D-binding to parotid membranes is guanine nucleotide-dependent. Guanine Nucleotides 107-125 RAB3D, member RAS oncogene family Rattus norvegicus 0-5 14674766-3 2003 The interaction of farnesylated and unprenylated Ras1p with guanine nucleotides, guanine nucleotide exchange factors, GTPase activating proteins, and adenylyl cyclase was compared to Ras2p and human Ha-Ras interactions. Guanine Nucleotides 60-79 Ras family GTPase RAS1 Saccharomyces cerevisiae S288C 49-54 14674766-3 2003 The interaction of farnesylated and unprenylated Ras1p with guanine nucleotides, guanine nucleotide exchange factors, GTPase activating proteins, and adenylyl cyclase was compared to Ras2p and human Ha-Ras interactions. Guanine Nucleotides 60-78 Ras family GTPase RAS1 Saccharomyces cerevisiae S288C 49-54 14690595-0 2003 Crystal structure of ARF1*Sec7 complexed with Brefeldin A and its implications for the guanine nucleotide exchange mechanism. Guanine Nucleotides 87-105 ADP ribosylation factor 1 Homo sapiens 21-25 14690595-0 2003 Crystal structure of ARF1*Sec7 complexed with Brefeldin A and its implications for the guanine nucleotide exchange mechanism. Guanine Nucleotides 87-105 cytohesin 1 Homo sapiens 26-30 14645687-0 2003 Allosteric enhancers of A1 adenosine receptors increase receptor-G protein coupling and counteract Guanine nucleotide effects on agonist binding. Guanine Nucleotides 99-117 BCL2 related protein A1 Homo sapiens 24-26 14623968-0 2003 Translationally controlled tumor protein acts as a guanine nucleotide dissociation inhibitor on the translation elongation factor eEF1A. Guanine Nucleotides 51-69 eukaryotic translation elongation factor 1 alpha 1 Homo sapiens 130-135 14623968-8 2003 These data suggest that TCTP has guanine nucleotide dissociation inhibitor activity, and, moreover, implicate TCTP in the elongation step of protein synthesis. Guanine Nucleotides 33-51 tumor protein, translationally-controlled 1 Homo sapiens 24-28 12920118-2 2003 The eEF1 complex consists of four subunits: eEF1A, a G-protein that shuttles aminoacylated tRNAs to the ribosome; eEF1Balpha and eEF1Bbeta, two guanine nucleotide exchange factors, and eEF1Bgamma. Guanine Nucleotides 144-162 eukaryotic translation elongation factor 1 alpha 1 Homo sapiens 4-8 14623913-1 2003 The Vav family of Rho guanine nucleotide exchange factors is thought to orchestrate signaling events downstream of lymphocyte antigen receptors. Guanine Nucleotides 22-40 vav 1 oncogene Mus musculus 4-7 14623913-8 2003 Together, we define an essential role for the entire Vav protein family in lymphocyte development and activation and establish the limits of functional redundancy both within this family and between Vav and other Rho-guanine nucleotide exchange factors. Guanine Nucleotides 217-235 vav 1 oncogene Mus musculus 53-56 14623913-8 2003 Together, we define an essential role for the entire Vav protein family in lymphocyte development and activation and establish the limits of functional redundancy both within this family and between Vav and other Rho-guanine nucleotide exchange factors. Guanine Nucleotides 217-235 vav 1 oncogene Mus musculus 199-202 14659046-1 2003 ADP-ribosylation factor 6 (ARF6) is a member of a family of ~20-kDa guanine nucleotide-binding proteins that has been implicated to function in membrane ruffling and cell motility, endocytosis, exocytosis, and membrane recycling. Guanine Nucleotides 68-86 ADP ribosylation factor 6 Homo sapiens 0-25 14659046-1 2003 ADP-ribosylation factor 6 (ARF6) is a member of a family of ~20-kDa guanine nucleotide-binding proteins that has been implicated to function in membrane ruffling and cell motility, endocytosis, exocytosis, and membrane recycling. Guanine Nucleotides 68-86 ADP ribosylation factor 6 Homo sapiens 27-31 14587037-1 2003 The ECT2 protooncogene plays a critical role in cytokinesis, and its C-terminal half encodes a Dbl homology-pleckstrin homology module, which catalyzes guanine nucleotide exchange on the Rho family of small GTPases. Guanine Nucleotides 152-170 epithelial cell transforming 2 Homo sapiens 4-8 14574414-2 2003 Prenylated Rabs also occur in the cytosol bound to GDI (guanine nucleotide dissociation inhibitor), which binds to Rabs in their inactive state. Guanine Nucleotides 56-74 RAB9A, member RAS oncogene family Homo sapiens 11-15 14574414-2 2003 Prenylated Rabs also occur in the cytosol bound to GDI (guanine nucleotide dissociation inhibitor), which binds to Rabs in their inactive state. Guanine Nucleotides 56-74 RAB9A, member RAS oncogene family Homo sapiens 115-119 14536050-3 2003 published in the September 19 issue of Cell adds ARF6, a GTPase, and one of its guanine nucleotide exchange factors to this set of players. Guanine Nucleotides 80-98 ADP ribosylation factor at 51F Drosophila melanogaster 49-53 13679059-8 2003 Guanine nucleotide exchange activities of the testis-expressed mouse Mcf-2 and human Dbl were analyzed using RhoA, Rac1, and Cdc42 as substrates. Guanine Nucleotides 0-18 mcf.2 transforming sequence Mus musculus 69-74 13679059-8 2003 Guanine nucleotide exchange activities of the testis-expressed mouse Mcf-2 and human Dbl were analyzed using RhoA, Rac1, and Cdc42 as substrates. Guanine Nucleotides 0-18 MCF.2 cell line derived transforming sequence Homo sapiens 85-88 13679059-8 2003 Guanine nucleotide exchange activities of the testis-expressed mouse Mcf-2 and human Dbl were analyzed using RhoA, Rac1, and Cdc42 as substrates. Guanine Nucleotides 0-18 ras homolog family member A Homo sapiens 109-113 13679059-8 2003 Guanine nucleotide exchange activities of the testis-expressed mouse Mcf-2 and human Dbl were analyzed using RhoA, Rac1, and Cdc42 as substrates. Guanine Nucleotides 0-18 Rac family small GTPase 1 Homo sapiens 115-119 13679059-8 2003 Guanine nucleotide exchange activities of the testis-expressed mouse Mcf-2 and human Dbl were analyzed using RhoA, Rac1, and Cdc42 as substrates. Guanine Nucleotides 0-18 cell division cycle 42 Homo sapiens 125-130 12777642-15 2003 IFIT1 is the first gene described as a candidate gene for SLE, and may function by activating Rho proteins through interaction with Rho/Rac guanine nucleotide exchange factor. Guanine Nucleotides 140-158 interferon induced protein with tetratricopeptide repeats 1 Homo sapiens 0-5 14607972-2 2003 It is activated by distinct types of Rap1 guanine nucleotide exchange factors coupled with various receptors or second messengers, while activated Rap1 is down-regulated by Rap1 GTPase-activating proteins, through which Rap1 activation is controlled spatio-temporally. Guanine Nucleotides 42-60 RAP1A, member of RAS oncogene family Homo sapiens 37-41 14607972-2 2003 It is activated by distinct types of Rap1 guanine nucleotide exchange factors coupled with various receptors or second messengers, while activated Rap1 is down-regulated by Rap1 GTPase-activating proteins, through which Rap1 activation is controlled spatio-temporally. Guanine Nucleotides 42-60 RAP1A, member of RAS oncogene family Homo sapiens 147-151 14607972-2 2003 It is activated by distinct types of Rap1 guanine nucleotide exchange factors coupled with various receptors or second messengers, while activated Rap1 is down-regulated by Rap1 GTPase-activating proteins, through which Rap1 activation is controlled spatio-temporally. Guanine Nucleotides 42-60 RAP1A, member of RAS oncogene family Homo sapiens 147-151 14607972-2 2003 It is activated by distinct types of Rap1 guanine nucleotide exchange factors coupled with various receptors or second messengers, while activated Rap1 is down-regulated by Rap1 GTPase-activating proteins, through which Rap1 activation is controlled spatio-temporally. Guanine Nucleotides 42-60 RAP1A, member of RAS oncogene family Homo sapiens 147-151 12777642-15 2003 IFIT1 is the first gene described as a candidate gene for SLE, and may function by activating Rho proteins through interaction with Rho/Rac guanine nucleotide exchange factor. Guanine Nucleotides 140-158 AKT serine/threonine kinase 1 Homo sapiens 136-139 12860983-0 2003 Oxidized human neuroglobin acts as a heterotrimeric Galpha protein guanine nucleotide dissociation inhibitor. Guanine Nucleotides 67-85 neuroglobin Homo sapiens 15-26 14506307-3 2003 We outline the pathway from receptors through trimeric G proteins (Galphaq, Galpha12, Galpha13) to activation, by guanine nucleotide exchange factors (GEFs), from GDP. Guanine Nucleotides 114-132 G protein subunit alpha 12 Homo sapiens 76-84 14506307-3 2003 We outline the pathway from receptors through trimeric G proteins (Galphaq, Galpha12, Galpha13) to activation, by guanine nucleotide exchange factors (GEFs), from GDP. Guanine Nucleotides 114-132 G protein subunit alpha 13 Homo sapiens 86-94 12860983-6 2003 In GDP dissociation assays or guanosine 5"-O-(3-thio)triphosphate binding assays, ferric Ngb behaved as a guanine nucleotide dissociation inhibitor (GDI), inhibiting the rate of exchange of GDP for GTP. Guanine Nucleotides 106-124 neuroglobin Homo sapiens 89-92 12860983-0 2003 Oxidized human neuroglobin acts as a heterotrimeric Galpha protein guanine nucleotide dissociation inhibitor. Guanine Nucleotides 67-85 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 52-58 12935915-1 2003 FERM domain including Rho GEF (FIR) is one of the guanine nucleotide exchange factors for Rac1. Guanine Nucleotides 50-68 FERM, RhoGEF and pleckstrin domain protein 2 Mus musculus 31-34 14505574-3 2003 Loner localizes to subcellular sites of fusion and acts downstream of cell surface fusion receptors by recruiting the small GTPase ARF6 and stimulating guanine nucleotide exchange. Guanine Nucleotides 152-170 schizo Drosophila melanogaster 0-5 14505574-3 2003 Loner localizes to subcellular sites of fusion and acts downstream of cell surface fusion receptors by recruiting the small GTPase ARF6 and stimulating guanine nucleotide exchange. Guanine Nucleotides 152-170 ADP ribosylation factor at 51F Drosophila melanogaster 131-135 12810717-5 2003 We further show that Vav2 and the ubiquitously expressed Rac1 guanine nucleotide exchange factor Tiam1 are phosphorylated in tyrosine residues in cells transfected with active and oncogenic Src. Guanine Nucleotides 62-80 Rac family small GTPase 1 Homo sapiens 57-61 12810717-5 2003 We further show that Vav2 and the ubiquitously expressed Rac1 guanine nucleotide exchange factor Tiam1 are phosphorylated in tyrosine residues in cells transfected with active and oncogenic Src. Guanine Nucleotides 62-80 TIAM Rac1 associated GEF 1 Homo sapiens 97-102 12810717-5 2003 We further show that Vav2 and the ubiquitously expressed Rac1 guanine nucleotide exchange factor Tiam1 are phosphorylated in tyrosine residues in cells transfected with active and oncogenic Src. Guanine Nucleotides 62-80 SRC proto-oncogene, non-receptor tyrosine kinase Homo sapiens 190-193 12935915-1 2003 FERM domain including Rho GEF (FIR) is one of the guanine nucleotide exchange factors for Rac1. Guanine Nucleotides 50-68 Rac family small GTPase 1 Mus musculus 90-94 12944494-3 2003 An additional pathway salvages guanine through the activity of hypoxanthine-guanine phosphoribosyltransferase (HPRT) to supply the cell with guanine nucleotides. Guanine Nucleotides 141-160 hypoxanthine guanine phosphoribosyl transferase Mus musculus 63-109 12773302-2 2003 Previous in vitro work has shown that high concentrations of cholecystokinin both inhibit protein synthesis and inhibit the activity of the guanine nucleotide exchange factor eukaryotic initiation factor (eIF)2B by increasing the phosphorylation of eIF2alpha. Guanine Nucleotides 140-158 eukaryotic translation initiation factor 2B, subunit 4 delta Mus musculus 205-211 12773302-2 2003 Previous in vitro work has shown that high concentrations of cholecystokinin both inhibit protein synthesis and inhibit the activity of the guanine nucleotide exchange factor eukaryotic initiation factor (eIF)2B by increasing the phosphorylation of eIF2alpha. Guanine Nucleotides 140-158 eukaryotic translation initiation factor 2A Mus musculus 249-258 12773302-6 2003 Caerulein inhibited the two major regulatory points of translation initiation: the activity of the guanine nucleotide exchange factor eIF2B (with an increase of eIF2alpha phosphorylation) and the formation of the eIF4F complex due, in part, to degradation of eIF4G. Guanine Nucleotides 99-117 eukaryotic translation initiation factor 2B, subunit 4 delta Mus musculus 134-139 12773302-6 2003 Caerulein inhibited the two major regulatory points of translation initiation: the activity of the guanine nucleotide exchange factor eIF2B (with an increase of eIF2alpha phosphorylation) and the formation of the eIF4F complex due, in part, to degradation of eIF4G. Guanine Nucleotides 99-117 eukaryotic translation initiation factor 2A Mus musculus 161-170 14550769-0 2003 Roles of STEF/Tiam1, guanine nucleotide exchange factors for Rac1, in regulation of growth cone morphology. Guanine Nucleotides 21-39 Rac family small GTPase 1 Mus musculus 61-65 14550769-2 2003 Here, we describe roles of STEF and Tiam1, guanine nucleotide exchange factors for Rac1, in neurite growth and growth cone remodeling. Guanine Nucleotides 43-61 Rac family small GTPase 1 Mus musculus 83-87 12944494-3 2003 An additional pathway salvages guanine through the activity of hypoxanthine-guanine phosphoribosyltransferase (HPRT) to supply the cell with guanine nucleotides. Guanine Nucleotides 141-160 hypoxanthine guanine phosphoribosyl transferase Mus musculus 111-115 12944494-6 2003 In addition, IMPDH type I(-/-) HPRT(-/0) splenocytes showed reduced interleukin-4 production and impaired cytolytic activity after antibody activation, indicating an important role for guanine salvage in supplementing the de novo synthesis of guanine nucleotides. Guanine Nucleotides 243-262 hypoxanthine guanine phosphoribosyl transferase Mus musculus 31-35 12773547-4 2003 EF-1 delta provides the guanine nucleotide exchange activities on EF-1 alpha during elongation step of protein synthesis. Guanine Nucleotides 24-42 eukaryotic translation elongation factor 1 delta Homo sapiens 0-10 12773547-4 2003 EF-1 delta provides the guanine nucleotide exchange activities on EF-1 alpha during elongation step of protein synthesis. Guanine Nucleotides 24-42 eukaryotic translation elongation factor 1 alpha 2 Homo sapiens 66-76 12754211-1 2003 Heterotrimeric G-proteins of the Galpha12/13 family activate Rho GTPase through the guanine nucleotide exchange factor p115RhoGEF. Guanine Nucleotides 84-102 Rho guanine nucleotide exchange factor 1 Homo sapiens 119-129 12913069-2 2003 FGD1 and Fgd1, the mouse FGD1 ortholog, encode guanine nucleotide exchange factors (GEF) that specifically activate Cdc42, a Rho GTPase that controls the organization of the actin cytoskeleton. Guanine Nucleotides 47-65 FYVE, RhoGEF and PH domain containing 1 Mus musculus 0-4 12913069-2 2003 FGD1 and Fgd1, the mouse FGD1 ortholog, encode guanine nucleotide exchange factors (GEF) that specifically activate Cdc42, a Rho GTPase that controls the organization of the actin cytoskeleton. Guanine Nucleotides 47-65 FYVE, RhoGEF and PH domain containing 1 Mus musculus 9-13 12913069-2 2003 FGD1 and Fgd1, the mouse FGD1 ortholog, encode guanine nucleotide exchange factors (GEF) that specifically activate Cdc42, a Rho GTPase that controls the organization of the actin cytoskeleton. Guanine Nucleotides 47-65 FYVE, RhoGEF and PH domain containing 1 Mus musculus 25-29 12913069-2 2003 FGD1 and Fgd1, the mouse FGD1 ortholog, encode guanine nucleotide exchange factors (GEF) that specifically activate Cdc42, a Rho GTPase that controls the organization of the actin cytoskeleton. Guanine Nucleotides 47-65 cell division cycle 42 Mus musculus 116-121 12837691-5 2003 The carboxy-terminus of ALS2 protein carrying a VPS9 domain mediates not only the activation of Rab5 via a guanine-nucleotide exchanging reaction but also the endosomal localization of the ALS2 protein, while the amino-terminal half containing RLD acts suppressive in its membranous localization. Guanine Nucleotides 107-125 alsin Rho guanine nucleotide exchange factor ALS2 Homo sapiens 24-28 12880769-6 2003 It binds guanine nucleotides specifically, as demonstrated by fluorescence resonance energy transfer between 2"-(or-3")-O-(N-methylanthraniloyl) nucleotides (mant-nucleotides) and the tryptophans of YihA. Guanine Nucleotides 9-28 YihA Escherichia coli 199-203 12879077-3 2003 Dock180 does not contain a conventional catalytic domain for guanine nucleotide exchange on Rac, but possesses a domain that directly binds to and specifically activates Rac1 (refs 5, 6). Guanine Nucleotides 61-79 dedicator of cytokinesis 1 Homo sapiens 0-7 12831845-0 2003 Albumin: a Galpha(s)-specific guanine nucleotide dissociation inhibitor and GTPase activating protein. Guanine Nucleotides 30-48 albumin Homo sapiens 0-7 12831845-0 2003 Albumin: a Galpha(s)-specific guanine nucleotide dissociation inhibitor and GTPase activating protein. Guanine Nucleotides 30-48 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 11-17 12831845-5 2003 Thus, BSA functions as a guanine nucleotide dissociation inhibitor for Galpha(s). Guanine Nucleotides 25-43 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 71-77 12837691-5 2003 The carboxy-terminus of ALS2 protein carrying a VPS9 domain mediates not only the activation of Rab5 via a guanine-nucleotide exchanging reaction but also the endosomal localization of the ALS2 protein, while the amino-terminal half containing RLD acts suppressive in its membranous localization. Guanine Nucleotides 107-125 RAB5A, member RAS oncogene family Homo sapiens 96-100 12842009-3 2003 Possible mechanisms by which Rnd proteins could function as RhoA antagonists include sequestration of RhoA effector molecules, inhibition of guanine nucleotide exchange factors, and activation of GTPase-activating proteins (GAPs) for RhoA. Guanine Nucleotides 141-159 ras homolog family member A Homo sapiens 60-64 12829242-3 2003 Several pathways lead from PI3K activation via the production of the lipid second messenger phosphatidylinositol (3,4,5)-triphosphate (PtdIns(3,4,5)P(3)) to the activation of guanine-nucleotide exchange factors (GEFs) that activate Rac. Guanine Nucleotides 175-193 AKT serine/threonine kinase 1 Homo sapiens 232-235 12759371-5 2003 Guanine nucleotides exchanged into the Rab4 present on the vesicles as shown by solubilization of Rab4 by Rab-GDI; solubilization was inhibited by incubation with GTP-gamma-S and promoted by GDP. Guanine Nucleotides 0-19 RAB4A, member RAS oncogene family Homo sapiens 39-43 12759371-5 2003 Guanine nucleotides exchanged into the Rab4 present on the vesicles as shown by solubilization of Rab4 by Rab-GDI; solubilization was inhibited by incubation with GTP-gamma-S and promoted by GDP. Guanine Nucleotides 0-19 RAB4A, member RAS oncogene family Homo sapiens 98-102 12832082-0 2003 Alkylation of sulfhydryl groups on Galpha(s/olf) subunits by N-ethylmaleimide: regulation by guanine nucleotides. Guanine Nucleotides 93-112 G protein subunit alpha L Rattus norvegicus 44-47 12805218-3 2003 GRF1 is a Ras-guanine nucleotide exchange factor known previously for its restricted expression in brain and its role in learning and memory. Guanine Nucleotides 14-32 RAS protein-specific guanine nucleotide-releasing factor 1 Mus musculus 0-4 12637530-5 2003 We determined that mutation of basic amino acids located within the beta1-beta2 and beta3-beta4 loops of the PH domain resulted in impaired phospholipid binding in vitro, yet full guanine nucleotide exchange activity in vitro was retained for RhoA and Cdc42. Guanine Nucleotides 180-198 ras homolog family member A Mus musculus 243-247 12609835-0 2003 Induction of apoptosis in IL-3-dependent hematopoietic cell lines by guanine nucleotide depletion. Guanine Nucleotides 69-87 interleukin 3 Mus musculus 26-30 12767920-2 2003 RGL2 is a member of the ral GDS family of proteins that contains a carboxy terminal ras-binding domain which binds the GTP ligated form of ras and rap and a CDC25 homology domain with the structural features of a guanine nucleotide exchange factor. Guanine Nucleotides 213-231 ral guanine nucleotide dissociation stimulator-like 2 Rattus norvegicus 0-4 12753087-8 2003 These studies demonstrate that a fusion protein between a G protein-coupled receptor and an RGS protein is fully functional in providing both enhanced guanine nucleotide exchange and GTP hydrolysis of a coexpressed G protein. Guanine Nucleotides 151-169 paired like homeodomain 2 Homo sapiens 92-95 14499478-1 2003 p190RhoGEF is a large multi-functional protein with guanine nucleotide exchange (GEF) activity. Guanine Nucleotides 52-70 Rho guanine nucleotide exchange factor (GEF) 28 Mus musculus 0-10 14499478-1 2003 p190RhoGEF is a large multi-functional protein with guanine nucleotide exchange (GEF) activity. Guanine Nucleotides 52-70 rho/rac guanine nucleotide exchange factor (GEF) 2 Mus musculus 7-10 12588708-7 2003 FI additionally inhibited thrombin-mediated dissociation of RhoA from guanine nucleotide dissociation inhibitor (GDI) and enhanced in vivo incorporation of (32)P by GDI. Guanine Nucleotides 70-88 coagulation factor II, thrombin Homo sapiens 26-34 12588708-7 2003 FI additionally inhibited thrombin-mediated dissociation of RhoA from guanine nucleotide dissociation inhibitor (GDI) and enhanced in vivo incorporation of (32)P by GDI. Guanine Nucleotides 70-88 ras homolog family member A Homo sapiens 60-64 12799088-0 2003 Dynamic and coordinated expression profile of dbl-family guanine nucleotide exchange factors in the developing mouse brain. Guanine Nucleotides 57-75 mcf.2 transforming sequence Mus musculus 46-49 12799088-1 2003 Dbl-family guanine nucleotide exchange factors (Dbl-GEFs) act as activators of Rho-like small G proteins such as Rac1, Cdc42 and RhoA. Guanine Nucleotides 11-29 mcf.2 transforming sequence Mus musculus 0-3 12799088-1 2003 Dbl-family guanine nucleotide exchange factors (Dbl-GEFs) act as activators of Rho-like small G proteins such as Rac1, Cdc42 and RhoA. Guanine Nucleotides 11-29 mcf.2 transforming sequence Mus musculus 48-51 12799088-1 2003 Dbl-family guanine nucleotide exchange factors (Dbl-GEFs) act as activators of Rho-like small G proteins such as Rac1, Cdc42 and RhoA. Guanine Nucleotides 11-29 Rac family small GTPase 1 Mus musculus 113-117 12799088-1 2003 Dbl-family guanine nucleotide exchange factors (Dbl-GEFs) act as activators of Rho-like small G proteins such as Rac1, Cdc42 and RhoA. Guanine Nucleotides 11-29 cell division cycle 42 Mus musculus 119-124 12799088-1 2003 Dbl-family guanine nucleotide exchange factors (Dbl-GEFs) act as activators of Rho-like small G proteins such as Rac1, Cdc42 and RhoA. Guanine Nucleotides 11-29 ras homolog family member A Mus musculus 129-133 12761345-2 2003 The RhoA-GTPase, but not the Rac1-GTPase, also possesses vicinal cysteines within the guanine nucleotide-binding region (aa 13-20) and the phosphohydrolase activity site. Guanine Nucleotides 86-104 ras homolog family member A Homo sapiens 4-8 12740440-0 2003 Structural and biochemical studies of p21Ras S-nitrosylation and nitric oxide-mediated guanine nucleotide exchange. Guanine Nucleotides 87-105 H3 histone pseudogene 16 Homo sapiens 38-41 12626503-2 2003 Here we report a novel interaction between Shank and beta PIX, a guanine nucleotide exchange factor for the Rac1 and Cdc42 small GTPases. Guanine Nucleotides 65-83 SH3 and multiple ankyrin repeat domains 2 Homo sapiens 43-48 12626503-2 2003 Here we report a novel interaction between Shank and beta PIX, a guanine nucleotide exchange factor for the Rac1 and Cdc42 small GTPases. Guanine Nucleotides 65-83 Rho guanine nucleotide exchange factor 7 Homo sapiens 53-61 12626503-2 2003 Here we report a novel interaction between Shank and beta PIX, a guanine nucleotide exchange factor for the Rac1 and Cdc42 small GTPases. Guanine Nucleotides 65-83 Rac family small GTPase 1 Homo sapiens 108-112 12626503-2 2003 Here we report a novel interaction between Shank and beta PIX, a guanine nucleotide exchange factor for the Rac1 and Cdc42 small GTPases. Guanine Nucleotides 65-83 cell division cycle 42 Homo sapiens 117-122 12626509-5 2003 Biochemical analysis revealed direct binding of MSF-A with polymerized tubulin through its central region containing guanine nucleotide-interactive motifs. Guanine Nucleotides 117-135 proteoglycan 4 Homo sapiens 48-51 12637522-1 2003 Dbl family members are guanine nucleotide exchange factors specific for Rho guanosine triphosphatases (GTPases) and invariably possess tandem Dbl (DH) and pleckstrin homology (PH) domains. Guanine Nucleotides 23-41 mcf.2 transforming sequence Mus musculus 0-3 12637522-3 2003 In this study, the PH domain of Dbs was mutated to impair selectively either guanine nucleotide exchange or phosphoinositide binding in vitro and resulting physiological alterations were assessed. Guanine Nucleotides 77-95 mcf.2 transforming sequence-like Mus musculus 32-35 12624092-7 2003 We have mapped the Ral binding site on this domain and found that it overlaps with protein-protein interaction sites on other IPT domains but that it is completely different from the G protein-geranyl-geranyl interaction face of the Ig-like domain of the Rho guanine nucleotide dissociation inhibitor. Guanine Nucleotides 259-277 RAS like proto-oncogene A Homo sapiens 19-22 12735795-6 2003 The Sec12 protein promotes efficient guanine nucleotide exchange on the Sar1 GTPase in the ER. Guanine Nucleotides 37-55 prolactin regulatory element binding Homo sapiens 4-9 12717453-6 2003 Considering the enzymatic parameters of MTH1 and NUDT5 for oxidized guanine nucleotides, NUDT5 might have a much greater role than MTH1 in preventing the occurrence of mutations that are caused by the misincorporation of 8-oxoguanine in human cells. Guanine Nucleotides 68-87 nudix hydrolase 1 Homo sapiens 40-44 12717453-6 2003 Considering the enzymatic parameters of MTH1 and NUDT5 for oxidized guanine nucleotides, NUDT5 might have a much greater role than MTH1 in preventing the occurrence of mutations that are caused by the misincorporation of 8-oxoguanine in human cells. Guanine Nucleotides 68-87 nudix hydrolase 5 Homo sapiens 49-54 12717453-6 2003 Considering the enzymatic parameters of MTH1 and NUDT5 for oxidized guanine nucleotides, NUDT5 might have a much greater role than MTH1 in preventing the occurrence of mutations that are caused by the misincorporation of 8-oxoguanine in human cells. Guanine Nucleotides 68-87 nudix hydrolase 5 Homo sapiens 89-94 12717453-6 2003 Considering the enzymatic parameters of MTH1 and NUDT5 for oxidized guanine nucleotides, NUDT5 might have a much greater role than MTH1 in preventing the occurrence of mutations that are caused by the misincorporation of 8-oxoguanine in human cells. Guanine Nucleotides 68-87 nudix hydrolase 1 Homo sapiens 131-135 12694532-0 2003 Caffeine mimics adenine and 2"-deoxyadenosine, both of which inhibit the guanine-nucleotide exchange activity of RCC1 and the kinase activity of ATR. Guanine Nucleotides 73-91 regulator of chromosome condensation Mesocricetus auratus 113-117 12802079-3 2003 We show that the inactive form of Rab1b (the N121I mutant with impaired guanine nucleotide binding) blocks forward transport of cargo and induces Golgi disruption. Guanine Nucleotides 72-90 RAB1B, member RAS oncogene family Homo sapiens 34-39 12594205-4 2003 SCOP interacted directly through its LRR domain with a subset of K-Ras in the guanine nucleotide-free form that was present in the raft fraction. Guanine Nucleotides 78-96 PH domain and leucine rich repeat protein phosphatase 1 Rattus norvegicus 0-4 12594205-4 2003 SCOP interacted directly through its LRR domain with a subset of K-Ras in the guanine nucleotide-free form that was present in the raft fraction. Guanine Nucleotides 78-96 KRAS proto-oncogene, GTPase Rattus norvegicus 65-70 12594205-5 2003 This interaction interfered with the binding of added guanine nucleotide to K-Ras in vitro. Guanine Nucleotides 54-72 KRAS proto-oncogene, GTPase Rattus norvegicus 76-81 12680752-3 2003 On the basis of this conformational change, we have created a series of single-molecule sensors for both active Cdc42 and Cdc42 guanine nucleotide exchange factors (GEFs) that utilize fluorescence resonance energy transfer (FRET) between cyan and yellow fluorescent proteins. Guanine Nucleotides 128-146 cell division cycle 42 Homo sapiens 122-127 12551911-1 2003 The armadillo protein SmgGDS promotes guanine nucleotide exchange by small GTPases containing a C-terminal polybasic region (PBR), such as Rac1 and RhoA. Guanine Nucleotides 38-56 catenin beta 1 Homo sapiens 4-13 12551911-1 2003 The armadillo protein SmgGDS promotes guanine nucleotide exchange by small GTPases containing a C-terminal polybasic region (PBR), such as Rac1 and RhoA. Guanine Nucleotides 38-56 Rap1 GTPase-GDP dissociation stimulator 1 Homo sapiens 22-28 12551911-1 2003 The armadillo protein SmgGDS promotes guanine nucleotide exchange by small GTPases containing a C-terminal polybasic region (PBR), such as Rac1 and RhoA. Guanine Nucleotides 38-56 Rac family small GTPase 1 Homo sapiens 139-143 12551911-1 2003 The armadillo protein SmgGDS promotes guanine nucleotide exchange by small GTPases containing a C-terminal polybasic region (PBR), such as Rac1 and RhoA. Guanine Nucleotides 38-56 ras homolog family member A Homo sapiens 148-152 12870871-1 2003 The specificity of interaction between the second PDZ domain of human protein tyrosine phosphatase1E (PDZ2) and a C-terminal peptide, ENEQVSAV, from the guanine nucleotide exchange factor RA-GEF-2 was investigated using Fourier transform infrared (FTIR) spectroscopy and electrospray ionization mass spectrometry (ESI-MS). Guanine Nucleotides 153-171 protein tyrosine phosphatase non-receptor type 13 Homo sapiens 70-100 12870871-1 2003 The specificity of interaction between the second PDZ domain of human protein tyrosine phosphatase1E (PDZ2) and a C-terminal peptide, ENEQVSAV, from the guanine nucleotide exchange factor RA-GEF-2 was investigated using Fourier transform infrared (FTIR) spectroscopy and electrospray ionization mass spectrometry (ESI-MS). Guanine Nucleotides 153-171 Rap guanine nucleotide exchange factor 6 Homo sapiens 188-196 12671687-6 2003 Remarkably, the membrane translocation of C3G, its association with CrkL, and the guanine-nucleotide exchange activity of C3G were all increased in Cbl(-/-) thymocytes. Guanine Nucleotides 82-100 Rap guanine nucleotide exchange factor 1 Homo sapiens 122-125 12671687-6 2003 Remarkably, the membrane translocation of C3G, its association with CrkL, and the guanine-nucleotide exchange activity of C3G were all increased in Cbl(-/-) thymocytes. Guanine Nucleotides 82-100 Cbl proto-oncogene Homo sapiens 148-151 12686614-0 2003 Intersectin 1L guanine nucleotide exchange activity is regulated by adjacent src homology 3 domains that are also involved in endocytosis. Guanine Nucleotides 15-33 intersectin 1 Homo sapiens 0-13 12686614-1 2003 Intersectin 1L is a scaffolding protein involved in endocytosis that also has guanine nucleotide exchange activity for Cdc42. Guanine Nucleotides 78-96 cell division cycle 42 Homo sapiens 119-124 12496249-3 2003 However, it is now apparent that cAMP also exerts its effects by binding to cAMP-regulated guanine nucleotide exchange factors (Epac). Guanine Nucleotides 91-109 Rap guanine nucleotide exchange factor 3 Homo sapiens 128-132 12509430-6 2003 The mechanism of Ric-8A-mediated guanine nucleotide exchange was elucidated. Guanine Nucleotides 33-51 RIC8 guanine nucleotide exchange factor A Homo sapiens 17-23 12606707-9 2003 These findings are consistent with a role for FKBP13 and FK506 in vesicular trafficking, influencing ARF activity through their guanine nucleotide-exchange proteins. Guanine Nucleotides 128-146 FKBP prolyl isomerase 2 Homo sapiens 46-52 12616499-2 2003 Vav1 is a guanine nucleotide exchange factor for members of the Rho/Rac family of GTPases which is activated following TCR stimulation, suggesting that it may transduce TCR signals to the activation of some or all actin-controlled processes. Guanine Nucleotides 10-28 vav guanine nucleotide exchange factor 1 Homo sapiens 0-4 12616499-2 2003 Vav1 is a guanine nucleotide exchange factor for members of the Rho/Rac family of GTPases which is activated following TCR stimulation, suggesting that it may transduce TCR signals to the activation of some or all actin-controlled processes. Guanine Nucleotides 10-28 T cell receptor beta variable 20/OR9-2 (non-functional) Homo sapiens 119-122 12616499-2 2003 Vav1 is a guanine nucleotide exchange factor for members of the Rho/Rac family of GTPases which is activated following TCR stimulation, suggesting that it may transduce TCR signals to the activation of some or all actin-controlled processes. Guanine Nucleotides 10-28 T cell receptor beta variable 20/OR9-2 (non-functional) Homo sapiens 169-172 12829327-1 2003 FERM domain including Rho GEF (FIR) belongs to Dbl family of guanine nucleotide exchange factors and specifically activates biochemical pathways specific for Rac1. Guanine Nucleotides 61-79 Rac family small GTPase 1 Rattus norvegicus 158-162 12578910-2 2003 However, more recently PKA-independent pathways have been established through the exchange protein directly activated by cAMP (Epac), a guanine nucleotide exchange factor for the small GTPases Rap1 and Rap2. Guanine Nucleotides 136-154 Rap guanine nucleotide exchange factor 3 Homo sapiens 127-131 12578910-2 2003 However, more recently PKA-independent pathways have been established through the exchange protein directly activated by cAMP (Epac), a guanine nucleotide exchange factor for the small GTPases Rap1 and Rap2. Guanine Nucleotides 136-154 RAP1A, member of RAS oncogene family Homo sapiens 193-197 12578910-2 2003 However, more recently PKA-independent pathways have been established through the exchange protein directly activated by cAMP (Epac), a guanine nucleotide exchange factor for the small GTPases Rap1 and Rap2. Guanine Nucleotides 136-154 RAP2A, member of RAS oncogene family Homo sapiens 202-206 12761345-6 2003 Furthermore, RhoA treated with PAO, but not Rac1 treated with PAO, lost its property to bind to guanine nucleotides. Guanine Nucleotides 96-115 ras homolog family member A Homo sapiens 13-17 12761345-8 2003 Further analysis of Glu-C-generated RhoA peptides confirmed binding of PAO to a peptide harboring the guanine nucleotide binding region. Guanine Nucleotides 102-120 ras homolog family member A Homo sapiens 36-40 12475976-12 2003 These results reveal the existence of a novel mechanism of Rac activation by a guanine nucleotide exchange factor and suggest that the induction by Trio of a conformational change in Rac1, in the absence of nucleotide exchange, is sufficient for enhancing its effector function. Guanine Nucleotides 79-97 AKT serine/threonine kinase 1 Homo sapiens 59-62 12475976-12 2003 These results reveal the existence of a novel mechanism of Rac activation by a guanine nucleotide exchange factor and suggest that the induction by Trio of a conformational change in Rac1, in the absence of nucleotide exchange, is sufficient for enhancing its effector function. Guanine Nucleotides 79-97 trio Rho guanine nucleotide exchange factor Homo sapiens 148-152 12471028-3 2003 To assess how this membrane partitioning influences the activation of Rac by guanine nucleotide exchange factors, GDP-to-GTP exchange reactions were performed in the presence of liposomes using different forms of Rac-GDP. Guanine Nucleotides 77-95 AKT serine/threonine kinase 1 Homo sapiens 70-73 12475976-12 2003 These results reveal the existence of a novel mechanism of Rac activation by a guanine nucleotide exchange factor and suggest that the induction by Trio of a conformational change in Rac1, in the absence of nucleotide exchange, is sufficient for enhancing its effector function. Guanine Nucleotides 79-97 Rac family small GTPase 1 Homo sapiens 183-187 12515866-2 2003 Recently, we identified p115RhoGEF, one of the guanine nucleotide exchange factors (GEFs) for Rho, as a direct link between Galpha13 and Rho [Kozasa, T., et al. Guanine Nucleotides 47-65 Rho guanine nucleotide exchange factor 1 Homo sapiens 24-34 12388085-9 2003 In the present study, we show in both NIH-3T3 cells and mouse embryo fibroblasts that stress granules contain not only eIF2 but also the guanine nucleotide exchange factor for eIF2, eIF2B. Guanine Nucleotides 137-155 eukaryotic translation initiation factor 2, subunit 2 (beta) Mus musculus 176-180 12388085-9 2003 In the present study, we show in both NIH-3T3 cells and mouse embryo fibroblasts that stress granules contain not only eIF2 but also the guanine nucleotide exchange factor for eIF2, eIF2B. Guanine Nucleotides 137-155 eukaryotic translation initiation factor 2, subunit 2 (beta) Mus musculus 182-187 12534294-2 2003 RGS14 and RGS12 are unique among RGS proteins in that they also regulate Galpha(i) signals because of the guanine nucleotide dissociation inhibitor (GDI) activity of a GoLoco motif near their carboxy-termini. Guanine Nucleotides 106-124 regulator of G protein signaling 14 Homo sapiens 0-5 12534294-2 2003 RGS14 and RGS12 are unique among RGS proteins in that they also regulate Galpha(i) signals because of the guanine nucleotide dissociation inhibitor (GDI) activity of a GoLoco motif near their carboxy-termini. Guanine Nucleotides 106-124 regulator of G protein signaling 12 Homo sapiens 10-15 12534294-2 2003 RGS14 and RGS12 are unique among RGS proteins in that they also regulate Galpha(i) signals because of the guanine nucleotide dissociation inhibitor (GDI) activity of a GoLoco motif near their carboxy-termini. Guanine Nucleotides 106-124 paired like homeodomain 2 Homo sapiens 0-3 12534294-2 2003 RGS14 and RGS12 are unique among RGS proteins in that they also regulate Galpha(i) signals because of the guanine nucleotide dissociation inhibitor (GDI) activity of a GoLoco motif near their carboxy-termini. Guanine Nucleotides 106-124 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 73-79 12446731-3 2003 We report in the present study on another protein, Tiam1, which is a specific guanine nucleotide exchange factor of Rac1 and which binds to c-Myc and modulates several of its biological functions. Guanine Nucleotides 78-96 TIAM Rac1 associated GEF 1 Rattus norvegicus 51-56 12446731-3 2003 We report in the present study on another protein, Tiam1, which is a specific guanine nucleotide exchange factor of Rac1 and which binds to c-Myc and modulates several of its biological functions. Guanine Nucleotides 78-96 Rac family small GTPase 1 Rattus norvegicus 116-120 12446731-3 2003 We report in the present study on another protein, Tiam1, which is a specific guanine nucleotide exchange factor of Rac1 and which binds to c-Myc and modulates several of its biological functions. Guanine Nucleotides 78-96 MYC proto-oncogene, bHLH transcription factor Rattus norvegicus 140-145 12538638-4 2003 We report that CFTR is sequestered into ER subdomains containing the chaperone Kar2p, and that sequestration and CFTR degradation are disrupted in sec12ts strain (mutant in guanine-nucleotide exchange factor for Sar1p), sec13ts strain (mutant in the Sec13p component of COPII), and sec23ts strain (mutant in the Sec23p component of COPII) grown at restrictive temperature. Guanine Nucleotides 173-191 Arf family GTPase SAR1 Saccharomyces cerevisiae S288C 212-217 12515866-2 2003 Recently, we identified p115RhoGEF, one of the guanine nucleotide exchange factors (GEFs) for Rho, as a direct link between Galpha13 and Rho [Kozasa, T., et al. Guanine Nucleotides 47-65 G protein subunit alpha 13 Homo sapiens 124-132 12410638-6 2003 In contrast, the effects of GLP-1 on RyR-mediated [ATP](m) increases were apparently mediated by the cAMP-regulated guanine nucleotide exchange factor cAMP-GEFII, since xestospongin C-insensitive [ATP](m) increases were blocked by a dominant-negative form of cAMP-GEFII (G114E,G422D). Guanine Nucleotides 116-134 glucagon Mus musculus 28-33 12393875-3 2003 Whereas RhoA is activated via Galpha(12/13)-linked Rho-specific guanine nucleotide exchange factors, it is unknown how LPA receptors may signal to Rac. Guanine Nucleotides 64-82 ras homolog family member A Homo sapiens 8-12 12410638-6 2003 In contrast, the effects of GLP-1 on RyR-mediated [ATP](m) increases were apparently mediated by the cAMP-regulated guanine nucleotide exchange factor cAMP-GEFII, since xestospongin C-insensitive [ATP](m) increases were blocked by a dominant-negative form of cAMP-GEFII (G114E,G422D). Guanine Nucleotides 116-134 ryanodine receptor 1, skeletal muscle Mus musculus 37-40 12410638-6 2003 In contrast, the effects of GLP-1 on RyR-mediated [ATP](m) increases were apparently mediated by the cAMP-regulated guanine nucleotide exchange factor cAMP-GEFII, since xestospongin C-insensitive [ATP](m) increases were blocked by a dominant-negative form of cAMP-GEFII (G114E,G422D). Guanine Nucleotides 116-134 Rap guanine nucleotide exchange factor (GEF) 4 Mus musculus 151-161 12401782-0 2002 Functional analysis of cdc42 residues required for Guanine nucleotide exchange. Guanine Nucleotides 51-69 cell division cycle 42 Homo sapiens 23-28 12511541-1 2003 A common polymorphism (825 C/T) in exon 10 of the GNB3 gene, that encodes for the beta-3 subunit, has been associated with different degrees of activation of heterotrimeric guanine nucleotide binding proteins (G proteins). Guanine Nucleotides 173-191 G protein subunit beta 3 Homo sapiens 50-54 12469113-2 2003 Recently, guanine nucleotide exchange factors specific for the small GTP-binding proteins Rap1 and Rap2 (Epacs) were described, which are also activated directly by cAMP. Guanine Nucleotides 10-28 RAP1A, member of RAS oncogene family Homo sapiens 90-94 12469113-2 2003 Recently, guanine nucleotide exchange factors specific for the small GTP-binding proteins Rap1 and Rap2 (Epacs) were described, which are also activated directly by cAMP. Guanine Nucleotides 10-28 RAP2A, member of RAS oncogene family Homo sapiens 99-103 12401782-3 2002 In the present study, functional roles were defined for specific residues within Cdc42 implicated by the crystal structures as important for physiological exchange of guanine nucleotides within Rho GTPases. Guanine Nucleotides 167-186 cell division cycle 42 Homo sapiens 81-86 12432077-0 2002 Identification of an evolutionarily conserved superfamily of DOCK180-related proteins with guanine nucleotide exchange activity. Guanine Nucleotides 91-109 dedicator of cytokinesis 1 Homo sapiens 61-68 12386169-2 2002 One well studied regulator of Rho GTPases is Vav1; a hematopoietic cell-specific guanine nucleotide exchange factor critical for signaling in T cells, including stimulation of the nuclear factor of activated T cells (NFAT). Guanine Nucleotides 81-99 vav guanine nucleotide exchange factor 1 Homo sapiens 45-49 12386169-3 2002 Surprisingly, Vav1 associates with Ly-GDI, a hematopoietic cell-specific guanine nucleotide dissociation inhibitor of Rac. Guanine Nucleotides 73-91 vav guanine nucleotide exchange factor 1 Homo sapiens 14-18 12386169-3 2002 Surprisingly, Vav1 associates with Ly-GDI, a hematopoietic cell-specific guanine nucleotide dissociation inhibitor of Rac. Guanine Nucleotides 73-91 Rho GDP dissociation inhibitor beta Homo sapiens 35-41 12376551-4 2002 First, we determined that RhoG was regulated by guanine nucleotide exchange factors that also activate Rac and/or Cdc42. Guanine Nucleotides 48-66 ras homolog family member G Homo sapiens 26-30 12473690-6 2002 Targeting of atToc159 to the outer envelope membrane is strictly dependent only on guanine nucleotides. Guanine Nucleotides 83-102 translocon at the outer envelope membrane of chloroplasts 159 Arabidopsis thaliana 13-21 12376551-4 2002 First, we determined that RhoG was regulated by guanine nucleotide exchange factors that also activate Rac and/or Cdc42. Guanine Nucleotides 48-66 Rac family small GTPase 1 Homo sapiens 103-106 12376551-4 2002 First, we determined that RhoG was regulated by guanine nucleotide exchange factors that also activate Rac and/or Cdc42. Guanine Nucleotides 48-66 cell division cycle 42 Homo sapiens 114-119 12388121-4 2002 The guanine nucleotide exchange activity of eIF2B was repressed, phosphorylation of the alpha-subunit of eIF2 was enhanced, and phosphorylation of eIF4E-binding protein-1 and ribosomal protein S6 kinase was reduced. Guanine Nucleotides 4-22 eukaryotic translation initiation factor 2B subunit delta Rattus norvegicus 44-49 12454455-2 2002 In a previous study using a model system of Rho-specific guanine nucleotide dissociation inhibitor (RhoGDI), it was shown that mutating Lys residues to Ala results in enhanced crystallizability, particularly when clusters of lysines are targeted. Guanine Nucleotides 57-75 Rho GDP dissociation inhibitor alpha Homo sapiens 100-106 12492428-3 2002 Recently, two novel Rho-specific guanine nucleotide exchange factors (RhoGEFs), PDZ-RhoGEF and LARG, have been identified to interact with the activated alpha-subunits of G12/G13 and are thus believed to mediate GPCR-induced Rho activation. Guanine Nucleotides 33-51 Rho guanine nucleotide exchange factor (GEF) 11 Mus musculus 80-90 12498886-4 2002 Dexras1 is a monomeric G protein whose guanine nucleotide exchange activity is augmented by NO; the identity and number of its S-nitrosylated cysteines is unknown. Guanine Nucleotides 39-57 ras related dexamethasone induced 1 Homo sapiens 0-7 12492428-3 2002 Recently, two novel Rho-specific guanine nucleotide exchange factors (RhoGEFs), PDZ-RhoGEF and LARG, have been identified to interact with the activated alpha-subunits of G12/G13 and are thus believed to mediate GPCR-induced Rho activation. Guanine Nucleotides 33-51 Rho guanine nucleotide exchange factor (GEF) 12 Mus musculus 95-99 12270917-10 2002 These results support the concept that the recently identified alpha-catulin protein may modulate Rho pathway signaling in vivo by providing a scaffold for the Lbc Rho guanine nucleotide exchange factor. Guanine Nucleotides 168-186 catenin alpha like 1 Homo sapiens 63-76 12437383-10 2002 In the absence of top 1, the C17 hydroxyl of CPT is involved in ester exchange (nicking of the DNA sugar-phosphate backbone followed by covalent joining of free phosphate to C17) whereas its C20 carboxyl forms two hydrogen bonds with the same guanine nucleotide at the opposite end of the broken DNA backbone. Guanine Nucleotides 243-261 cytokine like 1 Homo sapiens 29-32 12183458-0 2002 Plexin B regulates Rho through the guanine nucleotide exchange factors leukemia-associated Rho GEF (LARG) and PDZ-RhoGEF. Guanine Nucleotides 35-53 Rho guanine nucleotide exchange factor 12 Rattus norvegicus 71-98 12423633-0 2002 Characterization of the interactions between the small GTPase RhoA and its guanine nucleotide exchange factors. Guanine Nucleotides 75-93 ras homolog family member A Homo sapiens 62-66 12423633-5 2002 The continuous coupled enzyme system was used for characterization of the interactions between the small GTPase RhoA and its guanine nucleotide exchange factors, Lbc and Dbl. Guanine Nucleotides 125-143 ras homolog family member A Homo sapiens 112-116 12183458-0 2002 Plexin B regulates Rho through the guanine nucleotide exchange factors leukemia-associated Rho GEF (LARG) and PDZ-RhoGEF. Guanine Nucleotides 35-53 Rho guanine nucleotide exchange factor 12 Rattus norvegicus 100-104 12183458-4 2002 Here we show that Plexin B2 associates directly with two members of a recently identified family of Dbl homology/pleckstrin homology containing guanine nucleotide exchange factors for Rho, PDZ-RhoGEF, and Leukemia-associated Rho GEF (LARG). Guanine Nucleotides 144-162 plexin B2 Rattus norvegicus 18-27 12183458-4 2002 Here we show that Plexin B2 associates directly with two members of a recently identified family of Dbl homology/pleckstrin homology containing guanine nucleotide exchange factors for Rho, PDZ-RhoGEF, and Leukemia-associated Rho GEF (LARG). Guanine Nucleotides 144-162 Rho guanine nucleotide exchange factor 12 Rattus norvegicus 205-232 12183458-4 2002 Here we show that Plexin B2 associates directly with two members of a recently identified family of Dbl homology/pleckstrin homology containing guanine nucleotide exchange factors for Rho, PDZ-RhoGEF, and Leukemia-associated Rho GEF (LARG). Guanine Nucleotides 144-162 Rho guanine nucleotide exchange factor 12 Rattus norvegicus 234-238 12221096-6 2002 In vitro, XPLN stimulates guanine nucleotide exchange on RhoA and RhoB, but not RhoC, RhoG, Rac1, or Cdc42. Guanine Nucleotides 26-44 Rho guanine nucleotide exchange factor 3 Homo sapiens 10-14 12438453-3 2002 In a search for small-molecule inhibitors of PTHrP production or effects, we have identified guanine-nucleotide analogs as compounds that inhibit PTHrP expression by human tumor cells associated with these syndromes. Guanine Nucleotides 93-111 parathyroid hormone like hormone Homo sapiens 45-50 12221096-6 2002 In vitro, XPLN stimulates guanine nucleotide exchange on RhoA and RhoB, but not RhoC, RhoG, Rac1, or Cdc42. Guanine Nucleotides 26-44 ras homolog family member A Homo sapiens 57-61 12221096-6 2002 In vitro, XPLN stimulates guanine nucleotide exchange on RhoA and RhoB, but not RhoC, RhoG, Rac1, or Cdc42. Guanine Nucleotides 26-44 ras homolog family member B Homo sapiens 66-70 12494999-9 2002 We propose that the biological activity of Ran is determined by its targeting to structures such as chromatin as well as its guanine nucleotide bound state. Guanine Nucleotides 125-143 ran GTP-binding protein Xenopus laevis 43-46 12438453-3 2002 In a search for small-molecule inhibitors of PTHrP production or effects, we have identified guanine-nucleotide analogs as compounds that inhibit PTHrP expression by human tumor cells associated with these syndromes. Guanine Nucleotides 93-111 parathyroid hormone like hormone Homo sapiens 146-151 12379123-4 2002 Compared to the rate of uncatalyzed, spontaneous translocation, ribosome binding of EF-G with any guanine nucleotide reduces the free energy of activation by about 18 kJ/mol, whereas GTP hydrolysis contributes another 10 kJ/mol. Guanine Nucleotides 98-116 G elongation factor mitochondrial 1 Homo sapiens 84-88 12177050-1 2002 Vav family proteins are members of the Dbl family of guanine nucleotide exchange factors and activators of Rho family small GTPases. Guanine Nucleotides 53-71 vav guanine nucleotide exchange factor 1 Homo sapiens 0-3 12297102-5 2002 Our biochemical and genetic data indicate that unc-73, which encodes a protein related to Trio-like guanine nucleotide exchange factor, acts as a direct activator of ced-10 and mig-2 during P cell migration and axon outgrowth of D type motoneurons and amphid sensory neurons. Guanine Nucleotides 100-118 Uncharacterized protein Caenorhabditis elegans 47-53 12364467-1 2002 Mutations in the guanine nucleotide binding alpha-subunit 1 gene (GNAS1) cause Albright"s hereditary osteodistrophy, and the parent of transmission determines variable phenotypic expression of the disease. Guanine Nucleotides 17-35 GNAS complex locus Homo sapiens 66-71 12297102-5 2002 Our biochemical and genetic data indicate that unc-73, which encodes a protein related to Trio-like guanine nucleotide exchange factor, acts as a direct activator of ced-10 and mig-2 during P cell migration and axon outgrowth of D type motoneurons and amphid sensory neurons. Guanine Nucleotides 100-118 Ras-related protein ced-10 Caenorhabditis elegans 166-172 12297102-5 2002 Our biochemical and genetic data indicate that unc-73, which encodes a protein related to Trio-like guanine nucleotide exchange factor, acts as a direct activator of ced-10 and mig-2 during P cell migration and axon outgrowth of D type motoneurons and amphid sensory neurons. Guanine Nucleotides 100-118 Uncharacterized protein Caenorhabditis elegans 177-182 12270144-0 2002 Effect of Mg(2+) on the kinetics of guanine nucleotide binding and hydrolysis by Cdc42. Guanine Nucleotides 36-54 cell division cycle 42 Homo sapiens 81-86 12183515-6 2002 In contrast, insulin in combination with resistance exercise stimulates translation initiation and protein synthesis through enhanced activity of a guanine nucleotide exchange protein referred to as eIF2B. Guanine Nucleotides 148-166 insulin Homo sapiens 13-20 12220504-0 2002 Interaction of plexin-B1 with PDZ domain-containing Rho guanine nucleotide exchange factors. Guanine Nucleotides 56-74 plexin B1 Homo sapiens 15-24 12220504-3 2002 In this study, we have identified two kinds of PDZ domain-containing Rho-specific guanine nucleotide exchange factors (RhoGEFs) as proteins interacting with plexin-B1 cytoplasmic domain. Guanine Nucleotides 82-100 plexin B1 Homo sapiens 157-166 12168089-5 2002 Finally, Ral-GDS belongs to a family of guanine nucleotide exchange factors that activate Ral GTPases. Guanine Nucleotides 40-58 RAS like proto-oncogene A Homo sapiens 9-12 12168089-5 2002 Finally, Ral-GDS belongs to a family of guanine nucleotide exchange factors that activate Ral GTPases. Guanine Nucleotides 40-58 RAS like proto-oncogene A Homo sapiens 90-93 12183515-6 2002 In contrast, insulin in combination with resistance exercise stimulates translation initiation and protein synthesis through enhanced activity of a guanine nucleotide exchange protein referred to as eIF2B. Guanine Nucleotides 148-166 eukaryotic translation initiation factor 2B subunit delta Homo sapiens 199-204 12217396-7 2002 rRasGRP4 contains all of the functional domains present in the RasGRP family of guanine nucleotide exchange factors. Guanine Nucleotides 80-98 RAS guanyl releasing protein 4 Rattus norvegicus 0-8 12192056-2 2002 We developed fluorescent resonance energy transfer-based probes which monitored the local balance between the activities of guanine nucleotide exchange factors and GTPase-activating proteins for Rac1 and Cdc42 at the membrane. Guanine Nucleotides 124-142 Rac family small GTPase 1 Homo sapiens 195-199 12192056-2 2002 We developed fluorescent resonance energy transfer-based probes which monitored the local balance between the activities of guanine nucleotide exchange factors and GTPase-activating proteins for Rac1 and Cdc42 at the membrane. Guanine Nucleotides 124-142 cell division cycle 42 Homo sapiens 204-209 12192056-7 2002 Raichu-Rac and Raichu-Cdc42 were also applied to a rapid and simple assay for the analysis of putative guanine nucleotide exchange factors (GEFs) and GTPase-activating proteins (GAPs) in living cells. Guanine Nucleotides 103-121 AKT serine/threonine kinase 1 Homo sapiens 7-10 12192056-7 2002 Raichu-Rac and Raichu-Cdc42 were also applied to a rapid and simple assay for the analysis of putative guanine nucleotide exchange factors (GEFs) and GTPase-activating proteins (GAPs) in living cells. Guanine Nucleotides 103-121 cell division cycle 42 Homo sapiens 22-27 12217396-7 2002 rRasGRP4 contains all of the functional domains present in the RasGRP family of guanine nucleotide exchange factors. Guanine Nucleotides 80-98 RAS guanyl releasing protein 4 Mus musculus 1-7 12186560-5 2002 By direct binding studies using purified recombinant proteins or phosphopeptides and by mutagenesis of individual tyrosines in LAT to phenylalanine residues, we demonstrate that Y(171) and potentially Y(226) are docking sites for the Vav guanine nucleotide exchange factor. Guanine Nucleotides 238-256 linker for activation of T cells Mus musculus 127-130 12183666-0 2002 Measurement of agonist-dependent and -independent signal initiation of alpha(1b)-adrenoceptor mutants by direct analysis of guanine nucleotide exchange on the G protein galpha(11). Guanine Nucleotides 124-142 adrenoceptor alpha 1B Homo sapiens 71-93 12183666-0 2002 Measurement of agonist-dependent and -independent signal initiation of alpha(1b)-adrenoceptor mutants by direct analysis of guanine nucleotide exchange on the G protein galpha(11). Guanine Nucleotides 124-142 G protein subunit alpha 11 Homo sapiens 169-179 12186560-5 2002 By direct binding studies using purified recombinant proteins or phosphopeptides and by mutagenesis of individual tyrosines in LAT to phenylalanine residues, we demonstrate that Y(171) and potentially Y(226) are docking sites for the Vav guanine nucleotide exchange factor. Guanine Nucleotides 238-256 vav 1 oncogene Mus musculus 234-237 12194828-2 2002 Experiments using Xenopus egg extracts have shown that generation of Ran-GTP by the guanine nucleotide exchange factor RCC1 also plays roles in mitotic spindle assembly. Guanine Nucleotides 84-102 ran GTP-binding protein Xenopus laevis 69-72 12176017-1 2002 Yeast Saccharomyces cerevisiae Sec12p, an ER membrane protein, carries out an essential function as the guanine nucleotide exchange factor of the small GTPase Sar1p. Guanine Nucleotides 104-122 Sar family guanine nucleotide exchange factor SEC12 Saccharomyces cerevisiae S288C 31-37 12176017-1 2002 Yeast Saccharomyces cerevisiae Sec12p, an ER membrane protein, carries out an essential function as the guanine nucleotide exchange factor of the small GTPase Sar1p. Guanine Nucleotides 104-122 Arf family GTPase SAR1 Saccharomyces cerevisiae S288C 159-164 11880369-4 2002 We identified a new member of the Ras guanyl nucleotide-releasing protein (RasGRP) family of Ras guanine nucleotide exchange factors, designating it RasGRP4. Guanine Nucleotides 97-115 RAS guanyl releasing protein 4 Homo sapiens 75-81 11880369-4 2002 We identified a new member of the Ras guanyl nucleotide-releasing protein (RasGRP) family of Ras guanine nucleotide exchange factors, designating it RasGRP4. Guanine Nucleotides 97-115 RAS guanyl releasing protein 4 Homo sapiens 149-156 11880369-12 2002 We conclude that RasGRP4 is a member of the RasGRP family of Ras guanine nucleotide exchange factors that may play a role in myeloid cell signaling growth regulation pathways that are responsive to diacylglycerol levels. Guanine Nucleotides 65-83 RAS guanyl releasing protein 4 Homo sapiens 17-24 11880369-12 2002 We conclude that RasGRP4 is a member of the RasGRP family of Ras guanine nucleotide exchange factors that may play a role in myeloid cell signaling growth regulation pathways that are responsive to diacylglycerol levels. Guanine Nucleotides 65-83 RAS guanyl releasing protein 4 Homo sapiens 17-23 12194828-2 2002 Experiments using Xenopus egg extracts have shown that generation of Ran-GTP by the guanine nucleotide exchange factor RCC1 also plays roles in mitotic spindle assembly. Guanine Nucleotides 84-102 regulator of chromosome condensation 1 L homeolog Xenopus laevis 119-123 12180976-5 2002 Purified recombinant S64/SBP2 protein, expressed as a histidine-tagged protein in Escherichia coli, exhibited nucleotide-binding specificity to guanine nucleotides. Guanine Nucleotides 144-163 sucrose-binding protein 2 Glycine max 25-29 12023958-7 2002 Furthermore, Etk disrupts the interaction between RhoA and Rho-GDI (guanine nucleotide dissociation inhibitor) and promotes the membrane translocation of RhoA. Guanine Nucleotides 68-86 BMX non-receptor tyrosine kinase Mus musculus 13-16 12023958-7 2002 Furthermore, Etk disrupts the interaction between RhoA and Rho-GDI (guanine nucleotide dissociation inhibitor) and promotes the membrane translocation of RhoA. Guanine Nucleotides 68-86 ras homolog family member A Mus musculus 50-54 12023958-7 2002 Furthermore, Etk disrupts the interaction between RhoA and Rho-GDI (guanine nucleotide dissociation inhibitor) and promotes the membrane translocation of RhoA. Guanine Nucleotides 68-86 Rho GDP dissociation inhibitor (GDI) alpha Mus musculus 59-66 12177507-2 2002 SOS also appears to serve as a guanine nucleotide exchanger for Rac and, thus, may be involved in cytoskeleton reorganization. Guanine Nucleotides 31-49 AKT serine/threonine kinase 1 Homo sapiens 64-67 12134164-2 2002 Formation of active Rac-GTP is stimulated by Dbl family guanine nucleotide exchange factors (GEFs), such as Tiam1 (ref. Guanine Nucleotides 56-74 AKT serine/threonine kinase 1 Homo sapiens 20-23 12214898-4 2002 In this study, we examined the effect of two cytokines, IL-1beta and TNF-alpha, on the expression of guanine nucleotide binding regulatory proteins (G-proteins), Gs alpha and Gi alpha-3, by Western blotting in the CD4+ cells of nonatopic nonasthmatic (NANA), atopic nonasthmatic (ANA), and atopic asthmatic (AA) subjects. Guanine Nucleotides 101-119 interleukin 1 beta Homo sapiens 56-64 12214898-4 2002 In this study, we examined the effect of two cytokines, IL-1beta and TNF-alpha, on the expression of guanine nucleotide binding regulatory proteins (G-proteins), Gs alpha and Gi alpha-3, by Western blotting in the CD4+ cells of nonatopic nonasthmatic (NANA), atopic nonasthmatic (ANA), and atopic asthmatic (AA) subjects. Guanine Nucleotides 101-119 tumor necrosis factor Homo sapiens 69-78 12134164-2 2002 Formation of active Rac-GTP is stimulated by Dbl family guanine nucleotide exchange factors (GEFs), such as Tiam1 (ref. Guanine Nucleotides 56-74 TIAM Rac1 associated GEF 1 Homo sapiens 108-113 12096337-2 2002 The wild-type Bcr product has several recognizable structural and functional motifs including a domain that contains guanine nucleotide exchange activity for Rho family GTPases (DH/PH domain). Guanine Nucleotides 117-135 BCR activator of RhoGEF and GTPase Homo sapiens 14-17 12095257-1 2002 The solution structure of the second PDZ domain from human phosphatase hPTP1E in complex with a C-terminal peptide from the guanine nucleotide exchange factor RA-GEF-2 has been determined using 2D and 3D heteronuclear NMR experiments. Guanine Nucleotides 124-142 protein tyrosine phosphatase non-receptor type 13 Homo sapiens 71-77 12095257-1 2002 The solution structure of the second PDZ domain from human phosphatase hPTP1E in complex with a C-terminal peptide from the guanine nucleotide exchange factor RA-GEF-2 has been determined using 2D and 3D heteronuclear NMR experiments. Guanine Nucleotides 124-142 Rap guanine nucleotide exchange factor 6 Homo sapiens 159-167 12082148-0 2002 A conserved C-terminal domain of EFA6-family ARF6-guanine nucleotide exchange factors induces lengthening of microvilli-like membrane protrusions. Guanine Nucleotides 50-68 pleckstrin and Sec7 domain containing Homo sapiens 33-37 12082148-0 2002 A conserved C-terminal domain of EFA6-family ARF6-guanine nucleotide exchange factors induces lengthening of microvilli-like membrane protrusions. Guanine Nucleotides 50-68 ADP ribosylation factor 6 Homo sapiens 45-49 12082148-1 2002 We recently reported the identification of EFA6 (exchange factor for ARF6), a brain-specific Sec7-domain-containing guanine nucleotide exchange factor that works specifically on ARF6. Guanine Nucleotides 116-134 pleckstrin and Sec7 domain containing Homo sapiens 43-47 12082148-1 2002 We recently reported the identification of EFA6 (exchange factor for ARF6), a brain-specific Sec7-domain-containing guanine nucleotide exchange factor that works specifically on ARF6. Guanine Nucleotides 116-134 pleckstrin and Sec7 domain containing Homo sapiens 49-73 12082148-1 2002 We recently reported the identification of EFA6 (exchange factor for ARF6), a brain-specific Sec7-domain-containing guanine nucleotide exchange factor that works specifically on ARF6. Guanine Nucleotides 116-134 cytohesin 1 Homo sapiens 93-97 12082148-1 2002 We recently reported the identification of EFA6 (exchange factor for ARF6), a brain-specific Sec7-domain-containing guanine nucleotide exchange factor that works specifically on ARF6. Guanine Nucleotides 116-134 ADP ribosylation factor 6 Homo sapiens 69-73 12016210-2 2002 Here we show that expression of the guanine nucleotide exchange factor for Cdc42 SopE2 in Saccharomyces cerevisiae leads to the activation of Fus3 and Kss1 MAPKs, which operate in the mating and filamentation pathways, causing filamentous growth in haploid yeast cells. Guanine Nucleotides 36-54 Rho family GTPase CDC42 Saccharomyces cerevisiae S288C 75-80 12016210-2 2002 Here we show that expression of the guanine nucleotide exchange factor for Cdc42 SopE2 in Saccharomyces cerevisiae leads to the activation of Fus3 and Kss1 MAPKs, which operate in the mating and filamentation pathways, causing filamentous growth in haploid yeast cells. Guanine Nucleotides 36-54 mitogen-activated serine/threonine-protein kinase KSS1 Saccharomyces cerevisiae S288C 151-155 11994295-1 2002 Exocytotic secretion is promoted by the concerted action of calcium, guanine nucleotide, and protein kinase C. We now show that the calcium-dependent membrane fusion activity of annexin 7 in vitro is further potentiated by the combined addition of guanine nucleotide and protein kinase C. The observed increment involves the simultaneous activation of annexin 7 by these two effectors. Guanine Nucleotides 69-87 annexin A7 Homo sapiens 178-187 11994295-1 2002 Exocytotic secretion is promoted by the concerted action of calcium, guanine nucleotide, and protein kinase C. We now show that the calcium-dependent membrane fusion activity of annexin 7 in vitro is further potentiated by the combined addition of guanine nucleotide and protein kinase C. The observed increment involves the simultaneous activation of annexin 7 by these two effectors. Guanine Nucleotides 248-266 annexin A7 Homo sapiens 178-187 11994295-1 2002 Exocytotic secretion is promoted by the concerted action of calcium, guanine nucleotide, and protein kinase C. We now show that the calcium-dependent membrane fusion activity of annexin 7 in vitro is further potentiated by the combined addition of guanine nucleotide and protein kinase C. The observed increment involves the simultaneous activation of annexin 7 by these two effectors. Guanine Nucleotides 248-266 annexin A7 Homo sapiens 352-361 11994295-6 2002 These results thus lead us to hypothesize that annexin 7 may serve as a common site of action for calcium, guanine nucleotide, and protein kinase C in the exocytotic membrane fusion process in chromaffin cells. Guanine Nucleotides 107-125 annexin A7 Homo sapiens 47-56 12096337-5 2002 Within the context of full length Bcr, this activity is regulated by proximal flanking sequences that suppress the DH/PH domain encoded guanine nucleotide exchange activity. Guanine Nucleotides 136-154 BCR activator of RhoGEF and GTPase Homo sapiens 34-37 12206508-2 2002 Pyridoxal 5"-phosphate (PLP), a reagent that has been used to modify enzymes that bind phosphorylated substrates, was probed here as an affinity label for T. PLP inhibited the guanine nucleotide binding activity of T in a concentration dependent manner, and was covalently incorporated into the protein in the presence of [3H]NaBH4. Guanine Nucleotides 176-194 pyridoxal phosphatase Homo sapiens 24-27 12123608-3 2002 Here, we demonstrate that plexin-B family members associate through their C termini with the Rho guanine nucleotide exchange factors PDZ-RhoGEF and LARG. Guanine Nucleotides 97-115 Rho guanine nucleotide exchange factor 11 Homo sapiens 133-143 12123608-3 2002 Here, we demonstrate that plexin-B family members associate through their C termini with the Rho guanine nucleotide exchange factors PDZ-RhoGEF and LARG. Guanine Nucleotides 97-115 Rho guanine nucleotide exchange factor 12 Homo sapiens 148-152 12206508-2 2002 Pyridoxal 5"-phosphate (PLP), a reagent that has been used to modify enzymes that bind phosphorylated substrates, was probed here as an affinity label for T. PLP inhibited the guanine nucleotide binding activity of T in a concentration dependent manner, and was covalently incorporated into the protein in the presence of [3H]NaBH4. Guanine Nucleotides 176-194 pyridoxal phosphatase Homo sapiens 158-161 12052896-0 2002 Yeast Ysl2p, homologous to Sec7 domain guanine nucleotide exchange factors, functions in endocytosis and maintenance of vacuole integrity and interacts with the Arf-Like small GTPase Arl1p. Guanine Nucleotides 39-57 Mon2p Saccharomyces cerevisiae S288C 6-11 12052896-0 2002 Yeast Ysl2p, homologous to Sec7 domain guanine nucleotide exchange factors, functions in endocytosis and maintenance of vacuole integrity and interacts with the Arf-Like small GTPase Arl1p. Guanine Nucleotides 39-57 Arf family guanine nucleotide exchange factor SEC7 Saccharomyces cerevisiae S288C 27-31 12052896-0 2002 Yeast Ysl2p, homologous to Sec7 domain guanine nucleotide exchange factors, functions in endocytosis and maintenance of vacuole integrity and interacts with the Arf-Like small GTPase Arl1p. Guanine Nucleotides 39-57 Arf family GTPase ARL1 Saccharomyces cerevisiae S288C 183-188 12021195-4 2002 Similarly, cotransfection with a dominant-negative isoform of the type-2 cAMP-regulated guanine nucleotide exchange factor (Epac2) failed to alter the response to Ex-4. Guanine Nucleotides 88-106 Rap guanine nucleotide exchange factor 4 Rattus norvegicus 124-129 12047556-3 2002 GBF1 is one of the guanine nucleotide-exchange factors for ADP-ribosylation factor and is localized in the Golgi region. Guanine Nucleotides 19-37 golgi brefeldin A resistant guanine nucleotide exchange factor 1 Homo sapiens 0-4 12045183-0 2002 Ypt32 recruits the Sec4p guanine nucleotide exchange factor, Sec2p, to secretory vesicles; evidence for a Rab cascade in yeast. Guanine Nucleotides 25-43 Rab family GTPase YPT32 Saccharomyces cerevisiae S288C 0-5 12045183-0 2002 Ypt32 recruits the Sec4p guanine nucleotide exchange factor, Sec2p, to secretory vesicles; evidence for a Rab cascade in yeast. Guanine Nucleotides 25-43 Rab family GTPase SEC4 Saccharomyces cerevisiae S288C 19-24 12045183-0 2002 Ypt32 recruits the Sec4p guanine nucleotide exchange factor, Sec2p, to secretory vesicles; evidence for a Rab cascade in yeast. Guanine Nucleotides 25-43 guanine nucleotide exchange factor SEC2 Saccharomyces cerevisiae S288C 61-66 12099722-3 2002 METHODS AND RESULTS: (125)[I]-endothelin-1 binding assays conducted in the presence of a non-hydrolyzable guanine nucleotide to uncouple agonist binding demonstrated that membranes prepared from nonfailing left ventricles (LVs) exhibit a mixed pattern of ET(A) ( approximately 60%) and ET(B) ( approximately 40%) receptor protein expression. Guanine Nucleotides 106-124 endothelin 1 Homo sapiens 30-42 12051703-1 2002 BIG2 is one of the guanine nucleotide exchange factors (GEFs) for the ADP-ribosylation factor (ARF) family of small GTPases, which regulate membrane association of COPI and AP-1 coat protein complexes and GGA proteins. Guanine Nucleotides 19-37 ADP ribosylation factor guanine nucleotide exchange factor 2 Homo sapiens 0-4 12006984-1 2002 Activation of Rho-family GTPases involves the removal of bound GDP and the subsequent loading of GTP, all catalyzed by guanine nucleotide exchange factors (GEFs) of the Dbl-family. Guanine Nucleotides 119-137 MCF.2 cell line derived transforming sequence Homo sapiens 169-172 11859076-1 2002 The Vav family of guanine nucleotide exchange factors for Rho family GTPases plays a critical role in lymphocyte proliferation, gene transcription, and cytoskeleton reorganization following immunoreceptor stimulation. Guanine Nucleotides 18-36 vav guanine nucleotide exchange factor 1 Homo sapiens 4-7 12006660-6 2002 In addition, we describe the isolation of a spatially distant intragenic suppressor of a dominant lethal mutation in the guanine nucleotide-binding region of Arf1p. Guanine Nucleotides 121-139 Arf family GTPase ARF1 Saccharomyces cerevisiae S288C 158-163 11961559-7 2002 SWAP-70 shows low homology with Rac-guanine nucleotide exchange factors (GEFs), and catalyses PtdIns(3,4,5)P3-dependent guanine nucleotide exchange to Rac. Guanine Nucleotides 36-54 switching B cell complex subunit SWAP70 Homo sapiens 0-7 11967128-1 2002 Guanine nucleotide dissociation inhibitors (GDIs) regulate both GDP/GTP and membrane association/dissociation cycles of Rho/Rac and Rab proteins.RhoGDI-3 is distinguishable from other rhoGDI proteins by its partial association with a detergent-resistant subcellular fraction. Guanine Nucleotides 0-18 ras homolog family member G Homo sapiens 124-127 11967128-1 2002 Guanine nucleotide dissociation inhibitors (GDIs) regulate both GDP/GTP and membrane association/dissociation cycles of Rho/Rac and Rab proteins.RhoGDI-3 is distinguishable from other rhoGDI proteins by its partial association with a detergent-resistant subcellular fraction. Guanine Nucleotides 0-18 Rho GDP dissociation inhibitor gamma Homo sapiens 145-153 11967128-1 2002 Guanine nucleotide dissociation inhibitors (GDIs) regulate both GDP/GTP and membrane association/dissociation cycles of Rho/Rac and Rab proteins.RhoGDI-3 is distinguishable from other rhoGDI proteins by its partial association with a detergent-resistant subcellular fraction. Guanine Nucleotides 0-18 Rho GDP dissociation inhibitor gamma Homo sapiens 184-190 11961559-7 2002 SWAP-70 shows low homology with Rac-guanine nucleotide exchange factors (GEFs), and catalyses PtdIns(3,4,5)P3-dependent guanine nucleotide exchange to Rac. Guanine Nucleotides 36-54 AKT serine/threonine kinase 1 Homo sapiens 32-35 11961559-7 2002 SWAP-70 shows low homology with Rac-guanine nucleotide exchange factors (GEFs), and catalyses PtdIns(3,4,5)P3-dependent guanine nucleotide exchange to Rac. Guanine Nucleotides 36-54 AKT serine/threonine kinase 1 Homo sapiens 151-154 11961559-7 2002 SWAP-70 shows low homology with Rac-guanine nucleotide exchange factors (GEFs), and catalyses PtdIns(3,4,5)P3-dependent guanine nucleotide exchange to Rac. Guanine Nucleotides 120-138 switching B cell complex subunit SWAP70 Homo sapiens 0-7 11961559-7 2002 SWAP-70 shows low homology with Rac-guanine nucleotide exchange factors (GEFs), and catalyses PtdIns(3,4,5)P3-dependent guanine nucleotide exchange to Rac. Guanine Nucleotides 120-138 AKT serine/threonine kinase 1 Homo sapiens 32-35 11961559-7 2002 SWAP-70 shows low homology with Rac-guanine nucleotide exchange factors (GEFs), and catalyses PtdIns(3,4,5)P3-dependent guanine nucleotide exchange to Rac. Guanine Nucleotides 120-138 AKT serine/threonine kinase 1 Homo sapiens 151-154 11948427-2 2002 We searched for novel guanine nucleotide exchange factors of HRas and isolated small G-protein dissociation stimulator (smgGDS), a guanine nucleotide exchange factor known to act on numerous Ras and Rho family GTPases. Guanine Nucleotides 22-40 HRas proto-oncogene, GTPase Homo sapiens 61-65 11799111-0 2002 Regulation of G protein-linked guanine nucleotide exchange factors for Rho, PDZ-RhoGEF, and LARG by tyrosine phosphorylation: evidence of a role for focal adhesion kinase. Guanine Nucleotides 31-49 Rho guanine nucleotide exchange factor 11 Homo sapiens 76-86 11799111-0 2002 Regulation of G protein-linked guanine nucleotide exchange factors for Rho, PDZ-RhoGEF, and LARG by tyrosine phosphorylation: evidence of a role for focal adhesion kinase. Guanine Nucleotides 31-49 Rho guanine nucleotide exchange factor 12 Homo sapiens 92-96 11799111-0 2002 Regulation of G protein-linked guanine nucleotide exchange factors for Rho, PDZ-RhoGEF, and LARG by tyrosine phosphorylation: evidence of a role for focal adhesion kinase. Guanine Nucleotides 31-49 protein tyrosine kinase 2 Homo sapiens 149-170 11799111-1 2002 A recently identified family of guanine nucleotide exchange factors for Rho that includes PDZ-RhoGEF, LARG, and p115RhoGEF exhibits a unique structural feature consisting in the presence of area of similarity to regulators of G protein signaling (RGS). Guanine Nucleotides 32-50 Rho guanine nucleotide exchange factor 11 Homo sapiens 90-100 11799111-1 2002 A recently identified family of guanine nucleotide exchange factors for Rho that includes PDZ-RhoGEF, LARG, and p115RhoGEF exhibits a unique structural feature consisting in the presence of area of similarity to regulators of G protein signaling (RGS). Guanine Nucleotides 32-50 Rho guanine nucleotide exchange factor 12 Homo sapiens 102-106 11799111-1 2002 A recently identified family of guanine nucleotide exchange factors for Rho that includes PDZ-RhoGEF, LARG, and p115RhoGEF exhibits a unique structural feature consisting in the presence of area of similarity to regulators of G protein signaling (RGS). Guanine Nucleotides 32-50 Rho guanine nucleotide exchange factor 1 Homo sapiens 112-122 11799111-1 2002 A recently identified family of guanine nucleotide exchange factors for Rho that includes PDZ-RhoGEF, LARG, and p115RhoGEF exhibits a unique structural feature consisting in the presence of area of similarity to regulators of G protein signaling (RGS). Guanine Nucleotides 32-50 paired like homeodomain 2 Homo sapiens 212-245 11799111-1 2002 A recently identified family of guanine nucleotide exchange factors for Rho that includes PDZ-RhoGEF, LARG, and p115RhoGEF exhibits a unique structural feature consisting in the presence of area of similarity to regulators of G protein signaling (RGS). Guanine Nucleotides 32-50 paired like homeodomain 2 Homo sapiens 247-250 11948427-2 2002 We searched for novel guanine nucleotide exchange factors of HRas and isolated small G-protein dissociation stimulator (smgGDS), a guanine nucleotide exchange factor known to act on numerous Ras and Rho family GTPases. Guanine Nucleotides 22-40 Rap1 GTPase-GDP dissociation stimulator 1 Homo sapiens 120-126 11948427-2 2002 We searched for novel guanine nucleotide exchange factors of HRas and isolated small G-protein dissociation stimulator (smgGDS), a guanine nucleotide exchange factor known to act on numerous Ras and Rho family GTPases. Guanine Nucleotides 131-149 Rap1 GTPase-GDP dissociation stimulator 1 Homo sapiens 120-126 11991733-4 2002 Furthermore, in contrast to ET(A)R, PLD stimulation by PAR1 was suppressed by overexpression of regulators of G protein signaling specific for G(12)-type G proteins and treatment with brefeldin A, an inhibitor of guanine nucleotide exchange factors for ADP-ribosylation factor (ARF) GTPases. Guanine Nucleotides 213-231 coagulation factor II (thrombin) receptor Rattus norvegicus 55-59 11917103-1 2002 Vav3 is a member of the family of guanine nucleotide exchange factors implicated in the regulation of Rho GTPases. Guanine Nucleotides 34-52 vav guanine nucleotide exchange factor 3 Homo sapiens 0-4 11927541-0 2002 A positive feedback loop stabilizes the guanine-nucleotide exchange factor Cdc24 at sites of polarization. Guanine Nucleotides 40-58 Rho family guanine nucleotide exchange factor CDC24 Saccharomyces cerevisiae S288C 75-80 11888276-1 2002 Activation of small G proteins of the Arf family is initiated by guanine nucleotide exchange factors whose catalytic Sec7 domain stimulates the dissociation of the tightly bound GDP nucleotide. Guanine Nucleotides 65-83 Arf family guanine nucleotide exchange factor SEC7 Saccharomyces cerevisiae S288C 117-121 14993354-3 2002 The GoLoco motif was recently identified as a selective Galpha-binding partner: the GoLoco-Galpha interaction can displace Gbetagamma and inhibit guanine nucleotide release from the bound Galpha subunit. Guanine Nucleotides 146-164 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 56-62 14993354-3 2002 The GoLoco motif was recently identified as a selective Galpha-binding partner: the GoLoco-Galpha interaction can displace Gbetagamma and inhibit guanine nucleotide release from the bound Galpha subunit. Guanine Nucleotides 146-164 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 91-97 14993354-3 2002 The GoLoco motif was recently identified as a selective Galpha-binding partner: the GoLoco-Galpha interaction can displace Gbetagamma and inhibit guanine nucleotide release from the bound Galpha subunit. Guanine Nucleotides 146-164 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 91-97 11923414-2 2002 In these processes, they play key roles as molecular switches that can trigger distinct signal transduction pathways, such as the mitogen-activated protein kinase (MAPK) pathway, the phosphoinositide-3 kinase pathway, and the Ral-guanine nucleotide dissociation stimulator pathway. Guanine Nucleotides 230-248 Ras-like protein A Drosophila melanogaster 226-229 11909943-1 2002 Vav2, like all Dbl family proteins, possesses tandem Dbl homology (DH) and pleckstrin homology (PH) domains and functions as a guanine nucleotide exchange factor for Rho family GTPases. Guanine Nucleotides 127-145 vav guanine nucleotide exchange factor 2 Homo sapiens 0-4 11909943-4 2002 We evaluated the contribution of the PH domain and the CRD to Vav2 guanine nucleotide exchange, signaling, and transforming activity. Guanine Nucleotides 67-85 vav guanine nucleotide exchange factor 2 Homo sapiens 62-66 11879192-6 2002 We have examined a possible role for Ca(2+)/CaM in modulating both the binding of guanine nucleotides to Rab3A and the GTPase activity of Rab3A. Guanine Nucleotides 82-101 RAB3A, member RAS oncogene family Homo sapiens 105-110 11879192-8 2002 Ca(2+)/CaM-Rab3A complex that was formed in synaptic membranes was able to bind guanine nucleotides, whereas the Rab3A-GDI complex could not. Guanine Nucleotides 80-99 RAB3A, member RAS oncogene family Homo sapiens 11-16 11867708-0 2002 Structural basis for the guanine nucleotide-binding activity of tissue transglutaminase and its regulation of transamidation activity. Guanine Nucleotides 25-43 transglutaminase 2 Homo sapiens 64-87 11889035-6 2002 Consistently, cholesterol accumulation increases the amounts of membrane-associated Rab7, and inhibits Rab7 membrane extraction by the guanine nucleotide dissociation inhibitor. Guanine Nucleotides 135-153 RAB7B, member RAS oncogene family Homo sapiens 103-107 11889037-0 2002 A crystallographic view of interactions between Dbs and Cdc42: PH domain-assisted guanine nucleotide exchange. Guanine Nucleotides 82-100 cell division cycle 42 Homo sapiens 56-61 11889037-2 2002 While it is known that the DH domain is the principal catalytic subunit, recent biochemical data indicate that for some Dbl-family proteins, such as Dbs and Trio, PH domains may cooperate with their associated DH domains in promoting guanine nucleotide exchange of Rho GTPases. Guanine Nucleotides 234-252 MCF.2 cell line derived transforming sequence Homo sapiens 120-123 11889037-2 2002 While it is known that the DH domain is the principal catalytic subunit, recent biochemical data indicate that for some Dbl-family proteins, such as Dbs and Trio, PH domains may cooperate with their associated DH domains in promoting guanine nucleotide exchange of Rho GTPases. Guanine Nucleotides 234-252 trio Rho guanine nucleotide exchange factor Homo sapiens 157-161 11889037-3 2002 In order to gain an understanding of the involvement of these PH domains in guanine nucleotide exchange, we have determined the crystal structure of a DH/PH fragment from Dbs in complex with Cdc42. Guanine Nucleotides 76-94 cell division cycle 42 Homo sapiens 191-196 11853534-7 2002 In contrast, co-expression of Mss4 or Rab3-GEP (guanine nucleotide exchange protein) increases by approx. Guanine Nucleotides 48-66 RAB interacting factor Homo sapiens 30-34 11930158-2 2002 Hypocretin receptors are coupled to guanine nucleotide binding (G) proteins and the present study tested the hypothesis that hcrt-1 would activate G proteins in rat brainstem nuclei known to regulate arousal states. Guanine Nucleotides 36-54 hypocretin neuropeptide precursor Rattus norvegicus 125-129 11853534-7 2002 In contrast, co-expression of Mss4 or Rab3-GEP (guanine nucleotide exchange protein) increases by approx. Guanine Nucleotides 48-66 MAP kinase activating death domain Homo sapiens 38-46 11813163-3 2002 Searching for molecules that couple TCR and CD28 to MEKK1, we found that the guanine nucleotide exchange factor Vav synergized with CD28 stimulation in Jurkat cells to induce NF-kappaB transcriptional activity through the activation of IKKalpha and IKKbeta. Guanine Nucleotides 77-95 CD28 molecule Homo sapiens 44-48 11875050-13 2002 IMPDH1 is a ubiquitously expressed enzyme, functioning as a homotetramer, which catalyzed the rate-limiting step in de novo synthesis of guanine nucleotides. Guanine Nucleotides 137-156 inosine monophosphate dehydrogenase 1 Homo sapiens 0-6 11839814-2 2002 We have recently shown that ARFRP1 interacts with the Sec7 domain of the ARF-specific guanine nucleotide exchange factor Sec7-1/cytohesin and inhibits the ARF/Sec7-dependent activation of phospholipase D in a GTP-dependent manner. Guanine Nucleotides 86-104 ADP-ribosylation factor related protein 1 Mus musculus 28-34 11911885-1 2002 The Dbl homology (DH) domain was first identified in the Dbl oncogene product as the limit region required for mediating guanine nucleotide exchange on the Rho family GTPase Cdc42. Guanine Nucleotides 121-139 MCF.2 cell line derived transforming sequence Homo sapiens 4-7 11911885-1 2002 The Dbl homology (DH) domain was first identified in the Dbl oncogene product as the limit region required for mediating guanine nucleotide exchange on the Rho family GTPase Cdc42. Guanine Nucleotides 121-139 MCF.2 cell line derived transforming sequence Homo sapiens 57-60 11911885-1 2002 The Dbl homology (DH) domain was first identified in the Dbl oncogene product as the limit region required for mediating guanine nucleotide exchange on the Rho family GTPase Cdc42. Guanine Nucleotides 121-139 cell division cycle 42 Homo sapiens 174-179 11911885-3 2002 In each case, a pleckstrin homology (PH) domain immediately follows the DH domain and this tandem DH-PH module is the signature motif of the Dbl family of guanine nucleotide exchange factors (GEFs). Guanine Nucleotides 155-173 MCF.2 cell line derived transforming sequence Homo sapiens 141-144 11911885-4 2002 Recent structural studies have provided significant insight into the molecular basis of guanine nucleotide exchange by Dbl family GEFs, opening the door for understanding the specificity of the DH/GTPase interaction as well as providing a starting point for understanding how the exchange activity of these proteins is modulated to achieve specific biological outcomes in the cell. Guanine Nucleotides 88-106 MCF.2 cell line derived transforming sequence Homo sapiens 119-122 11813163-3 2002 Searching for molecules that couple TCR and CD28 to MEKK1, we found that the guanine nucleotide exchange factor Vav synergized with CD28 stimulation in Jurkat cells to induce NF-kappaB transcriptional activity through the activation of IKKalpha and IKKbeta. Guanine Nucleotides 77-95 mitogen-activated protein kinase kinase kinase 1 Homo sapiens 52-57 11813163-3 2002 Searching for molecules that couple TCR and CD28 to MEKK1, we found that the guanine nucleotide exchange factor Vav synergized with CD28 stimulation in Jurkat cells to induce NF-kappaB transcriptional activity through the activation of IKKalpha and IKKbeta. Guanine Nucleotides 77-95 vav guanine nucleotide exchange factor 1 Homo sapiens 112-115 11813163-3 2002 Searching for molecules that couple TCR and CD28 to MEKK1, we found that the guanine nucleotide exchange factor Vav synergized with CD28 stimulation in Jurkat cells to induce NF-kappaB transcriptional activity through the activation of IKKalpha and IKKbeta. Guanine Nucleotides 77-95 nuclear factor kappa B subunit 1 Homo sapiens 175-184 11813163-3 2002 Searching for molecules that couple TCR and CD28 to MEKK1, we found that the guanine nucleotide exchange factor Vav synergized with CD28 stimulation in Jurkat cells to induce NF-kappaB transcriptional activity through the activation of IKKalpha and IKKbeta. Guanine Nucleotides 77-95 component of inhibitor of nuclear factor kappa B kinase complex Homo sapiens 236-244 11813163-3 2002 Searching for molecules that couple TCR and CD28 to MEKK1, we found that the guanine nucleotide exchange factor Vav synergized with CD28 stimulation in Jurkat cells to induce NF-kappaB transcriptional activity through the activation of IKKalpha and IKKbeta. Guanine Nucleotides 77-95 inhibitor of nuclear factor kappa B kinase subunit beta Homo sapiens 249-256 11779113-1 2002 It is extremely difficult to detect guanine nucleotide exchange or hydrolysis stimulated by receptors which couple to G(s)alpha. Guanine Nucleotides 36-54 GNAS complex locus Homo sapiens 118-127 11707441-2 2002 We previously identified a guanine nucleotide exchange factor of Rac1, STEF (SIF and Tiam 1-like exchange factor), which can induce ruffling membrane in KB cells and is predominantly expressed in the brain during development. Guanine Nucleotides 27-45 Rac family small GTPase 1 Mus musculus 65-69 11707441-2 2002 We previously identified a guanine nucleotide exchange factor of Rac1, STEF (SIF and Tiam 1-like exchange factor), which can induce ruffling membrane in KB cells and is predominantly expressed in the brain during development. Guanine Nucleotides 27-45 T cell lymphoma invasion and metastasis 2 Mus musculus 71-75 11707441-2 2002 We previously identified a guanine nucleotide exchange factor of Rac1, STEF (SIF and Tiam 1-like exchange factor), which can induce ruffling membrane in KB cells and is predominantly expressed in the brain during development. Guanine Nucleotides 27-45 T cell lymphoma invasion and metastasis 2 Mus musculus 77-112 11861769-6 2002 In vitro guanine nucleotide exchange assays have shown that p63RhoGEF specifically acts on RhoA. Guanine Nucleotides 9-27 Rho guanine nucleotide exchange factor 25 Homo sapiens 60-69 11861769-6 2002 In vitro guanine nucleotide exchange assays have shown that p63RhoGEF specifically acts on RhoA. Guanine Nucleotides 9-27 ras homolog family member A Homo sapiens 91-95 11779113-9 2002 Enzyme kinetic analysis demonstrated that RGS1 increased both V(max) of the GTPase activity and the observed K(m) for GTP, consistent with RGS1 accelerating the rate of GTP hydrolysis of the chimeric G protein, whereas the agonist vasopressin accelerates guanine nucleotide exchange. Guanine Nucleotides 255-273 regulator of G protein signaling 1 Homo sapiens 42-46 11779113-9 2002 Enzyme kinetic analysis demonstrated that RGS1 increased both V(max) of the GTPase activity and the observed K(m) for GTP, consistent with RGS1 accelerating the rate of GTP hydrolysis of the chimeric G protein, whereas the agonist vasopressin accelerates guanine nucleotide exchange. Guanine Nucleotides 255-273 regulator of G protein signaling 1 Homo sapiens 139-143 11739107-3 2002 The A(2A) adenosine receptor (A(2A)-AR) is a member of the family of guanine nucleotide binding proteins and has become a focus of major interest primarily because of its ability to broadly inactivate the inflammatory cascade. Guanine Nucleotides 69-87 immunoglobulin kappa variable 2D-29 Homo sapiens 30-38 11856323-8 2002 Human Ras-GRF2 is expressed in a variety of tissues and, similar to other guanine nucleotide exchange factors (GEFs), displays anchorage independent growth in soft agar. Guanine Nucleotides 74-92 Ras protein specific guanine nucleotide releasing factor 2 Homo sapiens 6-14 11595749-0 2001 Trp(56) of rac1 specifies interaction with a subset of guanine nucleotide exchange factors. Guanine Nucleotides 55-73 Rac family small GTPase 1 Homo sapiens 11-15 11716957-0 2002 In vitro, Vav is a regulated guanine nucleotide dissociation inhibitor for Ras. Guanine Nucleotides 29-47 vav guanine nucleotide exchange factor 1 Homo sapiens 10-13 11560919-7 2001 Overexpression of V-ATPase E in COS cells enhanced the ability of mSos1 to promote the guanine nucleotide exchange activity for Rac1 and stimulated the kinase activity of Jun kinase, a downstream target of Rac1. Guanine Nucleotides 87-105 SOS Ras/Rac guanine nucleotide exchange factor 1 Mus musculus 66-71 11560935-6 2001 Analysis of chimeras and individual amino acid exchanges between Sos1 and Ras-GRF1 revealed that the critical amino acids reside within an 11-amino acid segment of their catalytic domains between the second and third structurally conserved regions (amino acids (aa) 828-838 in Sos1 and 1057-1067 in Ras-GRF1) of Ras guanine nucleotide exchange factors. Guanine Nucleotides 316-334 SOS Ras/Rac guanine nucleotide exchange factor 1 Homo sapiens 65-69 11560935-6 2001 Analysis of chimeras and individual amino acid exchanges between Sos1 and Ras-GRF1 revealed that the critical amino acids reside within an 11-amino acid segment of their catalytic domains between the second and third structurally conserved regions (amino acids (aa) 828-838 in Sos1 and 1057-1067 in Ras-GRF1) of Ras guanine nucleotide exchange factors. Guanine Nucleotides 316-334 Ras protein specific guanine nucleotide releasing factor 1 Homo sapiens 74-82 11560919-7 2001 Overexpression of V-ATPase E in COS cells enhanced the ability of mSos1 to promote the guanine nucleotide exchange activity for Rac1 and stimulated the kinase activity of Jun kinase, a downstream target of Rac1. Guanine Nucleotides 87-105 Rac family small GTPase 1 Rattus norvegicus 128-132 11577097-1 2001 Normally, Rho GTPases are activated by the removal of bound GDP and the concomitant loading of GTP catalyzed by members of the Dbl family of guanine nucleotide exchange factors (GEFs). Guanine Nucleotides 141-159 MCF.2 cell line derived transforming sequence Homo sapiens 127-130 11726195-0 2001 Catalysis of guanine nucleotide exchange on eIF2 by eIF2B: can it be both a substituted enzyme and a sequential mechanism? Guanine Nucleotides 13-31 eukaryotic translation initiation factor 2 subunit beta Homo sapiens 44-48 11590143-4 2001 FHOS interacted with the polybasic domain in the Rac1 C terminus in a guanine nucleotide-independent manner but did not interact with RhoA, Cdc42Hs, Rac2, or Rac3. Guanine Nucleotides 70-88 formin homology 2 domain containing 1 Homo sapiens 0-4 11590143-4 2001 FHOS interacted with the polybasic domain in the Rac1 C terminus in a guanine nucleotide-independent manner but did not interact with RhoA, Cdc42Hs, Rac2, or Rac3. Guanine Nucleotides 70-88 Rac family small GTPase 1 Homo sapiens 49-53 11726195-0 2001 Catalysis of guanine nucleotide exchange on eIF2 by eIF2B: can it be both a substituted enzyme and a sequential mechanism? Guanine Nucleotides 13-31 eukaryotic translation initiation factor 2B subunit delta Homo sapiens 52-57 11726195-1 2001 There are conflicting reports over the question of whether the displacement by GTP of GDP bound to eIF2 catalyzed by eIF2B follows a substituted enzyme mechanism, as is believed to be the case for other guanine nucleotide exchange factors, or is a sequential mechanism. Guanine Nucleotides 203-221 eukaryotic translation initiation factor 2 subunit beta Homo sapiens 99-103 11726195-1 2001 There are conflicting reports over the question of whether the displacement by GTP of GDP bound to eIF2 catalyzed by eIF2B follows a substituted enzyme mechanism, as is believed to be the case for other guanine nucleotide exchange factors, or is a sequential mechanism. Guanine Nucleotides 203-221 eukaryotic translation initiation factor 2B subunit delta Homo sapiens 117-122 11739605-9 2001 RGS14 is also a highly selective guanine nucleotide dissociation inhibitor (GDI) for Galphai but not Galphao, and this activity is restricted to the C-terminus containing the GoLoco domain. Guanine Nucleotides 33-51 regulator of G protein signaling 14 Homo sapiens 0-5 11739605-9 2001 RGS14 is also a highly selective guanine nucleotide dissociation inhibitor (GDI) for Galphai but not Galphao, and this activity is restricted to the C-terminus containing the GoLoco domain. Guanine Nucleotides 33-51 G protein subunit alpha o1 Homo sapiens 85-92 11685227-0 2001 Molecular basis for Rac1 recognition by guanine nucleotide exchange factors. Guanine Nucleotides 40-58 Rac family small GTPase 1 Homo sapiens 20-24 11731582-10 2001 Inclusion of the hydrolysis-resistant guanine nucleotide GDP-beta-S in the patch solution significantly reduced the orexin A- or B-induced depolarizations. Guanine Nucleotides 38-56 hypocretin neuropeptide precursor Rattus norvegicus 116-124 11745690-1 2001 The p21 proteins encoded by N-, Ki-, and H-ras are small guanine nucleotide-binding proteins that act as switches in several signal transduction pathways. Guanine Nucleotides 57-75 KRAS proto-oncogene, GTPase Rattus norvegicus 4-7 11745690-1 2001 The p21 proteins encoded by N-, Ki-, and H-ras are small guanine nucleotide-binding proteins that act as switches in several signal transduction pathways. Guanine Nucleotides 57-75 HRas proto-oncogene, GTPase Rattus norvegicus 41-46 11738596-1 2001 The Dbl family of guanine nucleotide exchange factors are multifunctional molecules that transduce diverse intracellular signals leading to the activation of Rho GTPases. Guanine Nucleotides 18-36 MCF.2 cell line derived transforming sequence Homo sapiens 4-7 11707417-5 2001 Gcd1p forms part of the eIF2B guanine nucleotide complex that is responsible for recycling eIF2-GDP to eIF2-GTP. Guanine Nucleotides 30-48 translation initiation factor eIF2B subunit gamma Saccharomyces cerevisiae S288C 0-5 11546812-2 2001 We now demonstrate that a longer transcript of the Lbc gene encodes a chimeric molecule, which we have called AKAP-Lbc, that functions as an A-kinase-anchoring protein (AKAP) and a Rho-selective guanine nucleotide exchange factor. Guanine Nucleotides 195-213 A-kinase anchoring protein 13 Homo sapiens 110-118 11546812-2 2001 We now demonstrate that a longer transcript of the Lbc gene encodes a chimeric molecule, which we have called AKAP-Lbc, that functions as an A-kinase-anchoring protein (AKAP) and a Rho-selective guanine nucleotide exchange factor. Guanine Nucleotides 195-213 A-kinase anchoring protein 13 Homo sapiens 110-114 11535617-5 2001 Nup60p also binds Gsp1p-GTP and its guanine nucleotide exchange factor Prp20p, and functions as a Gsp1p guanine nucleotide dissociation inhibitor by reducing the activity of Prp20p. Guanine Nucleotides 36-54 FG-nucleoporin NUP60 Saccharomyces cerevisiae S288C 0-6 11746373-1 2001 Agonist- and guanine-nucleotide-stimulated phospholipase C-beta (PLC) activity was characterized in crude plasma membrane preparations from cerebral cortex, hippocampus and cerebellum of Ts65Dn mice, a model for Down syndrome, and their control littermates. Guanine Nucleotides 13-31 reciprocal translocation, Chr 16, cytogenetic band C3-4; and Chr 17, cytogenetic band A2, Davisson 65 Mus musculus 187-193 11746373-9 2001 We conclude that the cerebellum of Ts65Dn mice has severe deficiencies in PLC activity stimulated by guanine nucleotides, which are specifically related to a lower level of expression of the PLC-beta4 isoform, a fact that may account for the neurological phenotype observed in this murine model of Down syndrome. Guanine Nucleotides 101-120 reciprocal translocation, Chr 16, cytogenetic band C3-4; and Chr 17, cytogenetic band A2, Davisson 65 Mus musculus 35-41 11728333-2 2001 Previously, the guanine nucleotide binding protein Rac-1 has been shown to control pre-T cell development. Guanine Nucleotides 16-34 Rac family small GTPase 1 Homo sapiens 51-56 11595190-2 2001 Free RF3 is in vivo stably bound to GDP, and ribosomes in complex with RF1 or RF2 act as guanine nucleotide exchange factors (GEF). Guanine Nucleotides 89-107 mitochondrial translation release factor 1 Homo sapiens 71-74 11503142-0 2001 Guanine nucleotide exchange factors CalDAG-GEFI and CalDAG-GEFII are colocalized in striatal projection neurons. Guanine Nucleotides 0-18 RAS guanyl releasing protein 1 Homo sapiens 36-47 11503142-0 2001 Guanine nucleotide exchange factors CalDAG-GEFI and CalDAG-GEFII are colocalized in striatal projection neurons. Guanine Nucleotides 0-18 RAS guanyl releasing protein 1 Homo sapiens 52-64 11503142-1 2001 CalDAG-GEFI and CalDAG-GEFII (identical to RasGRP) are novel, brain-enriched guanine nucleotide exchange factors (GEFs) that can be stimulated by calcium and diacylglycerol and that can activate small GTPases, including Ras and Rap1, molecules increasingly recognized as having signaling functions in neurons. Guanine Nucleotides 77-95 RAS guanyl releasing protein 1 Homo sapiens 0-11 11503142-1 2001 CalDAG-GEFI and CalDAG-GEFII (identical to RasGRP) are novel, brain-enriched guanine nucleotide exchange factors (GEFs) that can be stimulated by calcium and diacylglycerol and that can activate small GTPases, including Ras and Rap1, molecules increasingly recognized as having signaling functions in neurons. Guanine Nucleotides 77-95 RAS guanyl releasing protein 1 Homo sapiens 16-28 11503142-1 2001 CalDAG-GEFI and CalDAG-GEFII (identical to RasGRP) are novel, brain-enriched guanine nucleotide exchange factors (GEFs) that can be stimulated by calcium and diacylglycerol and that can activate small GTPases, including Ras and Rap1, molecules increasingly recognized as having signaling functions in neurons. Guanine Nucleotides 77-95 RAS guanyl releasing protein 1 Homo sapiens 43-49 11503142-1 2001 CalDAG-GEFI and CalDAG-GEFII (identical to RasGRP) are novel, brain-enriched guanine nucleotide exchange factors (GEFs) that can be stimulated by calcium and diacylglycerol and that can activate small GTPases, including Ras and Rap1, molecules increasingly recognized as having signaling functions in neurons. Guanine Nucleotides 77-95 RAP1A, member of RAS oncogene family Homo sapiens 228-232 11581313-1 2001 Loss of function of the guanine nucleotide binding protein RhoA blocks pre-T cell differentiation and survival indicating that this GTPase is a critical signaling molecule during early thymocyte development. Guanine Nucleotides 24-42 ras homolog family member A Homo sapiens 59-63 11607838-3 2001 In the case of the first SH3 domains [SH3(1)] a P-x-x-P-x-K motif is crucial for highly selective binding, while the SH2 domains prefer motifs which conform to the consensus pY-x-x-P. Crk family proteins are involved in the relocalization and activation of several different effector proteins which include guanine nucleotide releasing proteins like C3G, protein kinases of the Abl- and GCK-families and small GTPases like Rap1 and Rac. Guanine Nucleotides 307-325 CRK proto-oncogene, adaptor protein Homo sapiens 184-187 11524436-2 2001 This is achieved through the formation of a tricomplex consisting of Eps8-E3b1-Sos-1, which is endowed with Rac guanine nucleotide exchange activity. Guanine Nucleotides 112-130 epidermal growth factor receptor pathway substrate 8 Homo sapiens 69-73 11524436-2 2001 This is achieved through the formation of a tricomplex consisting of Eps8-E3b1-Sos-1, which is endowed with Rac guanine nucleotide exchange activity. Guanine Nucleotides 112-130 abl interactor 1 Homo sapiens 74-78 11524436-2 2001 This is achieved through the formation of a tricomplex consisting of Eps8-E3b1-Sos-1, which is endowed with Rac guanine nucleotide exchange activity. Guanine Nucleotides 112-130 SOS Ras/Rac guanine nucleotide exchange factor 1 Homo sapiens 79-84 11524436-2 2001 This is achieved through the formation of a tricomplex consisting of Eps8-E3b1-Sos-1, which is endowed with Rac guanine nucleotide exchange activity. Guanine Nucleotides 112-130 AKT serine/threonine kinase 1 Homo sapiens 108-111 11524436-3 2001 The catalytic subunit of this complex is represented by Sos-1, a bifunctional molecule capable of catalyzing guanine nucleotide exchange on Ras and Rac. Guanine Nucleotides 109-127 SOS Ras/Rac guanine nucleotide exchange factor 1 Homo sapiens 56-61 11524436-3 2001 The catalytic subunit of this complex is represented by Sos-1, a bifunctional molecule capable of catalyzing guanine nucleotide exchange on Ras and Rac. Guanine Nucleotides 109-127 AKT serine/threonine kinase 1 Homo sapiens 148-151 11524436-7 2001 In addition, it binds to Sos-1 and is able to induce Rac-specific, Sos-1-dependent guanine nucleotide exchange activity. Guanine Nucleotides 83-101 SOS Ras/Rac guanine nucleotide exchange factor 1 Homo sapiens 25-30 11524436-7 2001 In addition, it binds to Sos-1 and is able to induce Rac-specific, Sos-1-dependent guanine nucleotide exchange activity. Guanine Nucleotides 83-101 AKT serine/threonine kinase 1 Homo sapiens 53-56 11524436-7 2001 In addition, it binds to Sos-1 and is able to induce Rac-specific, Sos-1-dependent guanine nucleotide exchange activity. Guanine Nucleotides 83-101 SOS Ras/Rac guanine nucleotide exchange factor 1 Homo sapiens 67-72 11535617-5 2001 Nup60p also binds Gsp1p-GTP and its guanine nucleotide exchange factor Prp20p, and functions as a Gsp1p guanine nucleotide dissociation inhibitor by reducing the activity of Prp20p. Guanine Nucleotides 36-54 Ran guanyl-nucleotide exchange factor Saccharomyces cerevisiae S288C 71-77 11535617-5 2001 Nup60p also binds Gsp1p-GTP and its guanine nucleotide exchange factor Prp20p, and functions as a Gsp1p guanine nucleotide dissociation inhibitor by reducing the activity of Prp20p. Guanine Nucleotides 104-122 FG-nucleoporin NUP60 Saccharomyces cerevisiae S288C 0-6 11535617-5 2001 Nup60p also binds Gsp1p-GTP and its guanine nucleotide exchange factor Prp20p, and functions as a Gsp1p guanine nucleotide dissociation inhibitor by reducing the activity of Prp20p. Guanine Nucleotides 104-122 Ran guanyl-nucleotide exchange factor Saccharomyces cerevisiae S288C 174-180 11486034-2 2001 Ras proteins can activate at least three downstream signaling cascades mediated by the Raf-MEK-extracellular signal-regulated kinase family, phosphatidylinositol-3 (PI3) kinase, and Ral-specific guanine nucleotide exchange factors (RalGEFs). Guanine Nucleotides 195-213 v-ral simian leukemia viral oncogene A (ras related) Mus musculus 182-185 11489990-8 2001 Western blotting identified Rap1, a downstream target of the cAMP-binding proteins, exchange protein directly activated by cAMP/cAMP-guanine nucleotide exchange factors 1 and 2, in PBMC. Guanine Nucleotides 133-151 RAB guanine nucleotide exchange factor 1 Homo sapiens 28-32 11485305-0 2001 Allosteric regulation of CCR5 by guanine nucleotides and HIV-1 envelope. Guanine Nucleotides 33-52 C-C motif chemokine receptor 5 Homo sapiens 25-29 11485305-4 2001 Macrophage inflammatory protein-1beta (MIP-1beta) binding to CCR5 was potently and specifically inhibited by guanine nucleotides. Guanine Nucleotides 109-128 C-C motif chemokine ligand 4 Homo sapiens 0-37 11485305-4 2001 Macrophage inflammatory protein-1beta (MIP-1beta) binding to CCR5 was potently and specifically inhibited by guanine nucleotides. Guanine Nucleotides 109-128 C-C motif chemokine ligand 4 Homo sapiens 39-48 11485305-4 2001 Macrophage inflammatory protein-1beta (MIP-1beta) binding to CCR5 was potently and specifically inhibited by guanine nucleotides. Guanine Nucleotides 109-128 C-C motif chemokine receptor 5 Homo sapiens 61-65 11473261-0 2001 Structure of TCTP reveals unexpected relationship with guanine nucleotide-free chaperones. Guanine Nucleotides 55-73 tumor protein, translationally-controlled 1 Homo sapiens 13-17 11387333-0 2001 RGS12 and RGS14 GoLoco motifs are G alpha(i) interaction sites with guanine nucleotide dissociation inhibitor Activity. Guanine Nucleotides 68-86 regulator of G protein signaling 12 Homo sapiens 0-5 11387333-0 2001 RGS12 and RGS14 GoLoco motifs are G alpha(i) interaction sites with guanine nucleotide dissociation inhibitor Activity. Guanine Nucleotides 68-86 regulator of G protein signaling 14 Homo sapiens 10-15 11473261-3 2001 We show that TCTPs form a structural superfamily with the Mss4/Dss4 family of proteins, which bind to the GDP/GTP free form of Rab proteins (members of the Ras superfamily) and have been termed guanine nucleotide-free chaperones (GFCs). Guanine Nucleotides 194-212 RAB interacting factor Homo sapiens 58-62 11473261-3 2001 We show that TCTPs form a structural superfamily with the Mss4/Dss4 family of proteins, which bind to the GDP/GTP free form of Rab proteins (members of the Ras superfamily) and have been termed guanine nucleotide-free chaperones (GFCs). Guanine Nucleotides 194-212 ArfGAP with FG repeats 1 Homo sapiens 127-130 11489211-4 2001 CHM/REP family members are evolutionarily related to members of the guanine nucleotide dissociation inhibitor (GDI) family, proteins involved in the recycling of Rab proteins required for vesicular membrane trafficking through the exocytic and endocytic pathways, forming the GDI/CHM superfamily. Guanine Nucleotides 68-86 CHM Rab escort protein Homo sapiens 0-3 11489211-4 2001 CHM/REP family members are evolutionarily related to members of the guanine nucleotide dissociation inhibitor (GDI) family, proteins involved in the recycling of Rab proteins required for vesicular membrane trafficking through the exocytic and endocytic pathways, forming the GDI/CHM superfamily. Guanine Nucleotides 68-86 CHM Rab escort protein Homo sapiens 280-283 11422940-4 2001 mSec12 promotes efficient guanine nucleotide exchange on Sar1, but not Arf1 or Rab GTPases. Guanine Nucleotides 26-44 secretion associated Ras related GTPase 1A Homo sapiens 57-61 11447270-8 2001 That the mutant transgene further diminished the residual bitter and sweet taste responsiveness of the alpha-gustducin-null mice suggests that other guanine nucleotide-binding regulatory proteins expressed in the alpha-gustducin lineage of taste cells mediate these responses. Guanine Nucleotides 149-167 guanine nucleotide binding protein, alpha transducing 3 Mus musculus 103-118 11447270-8 2001 That the mutant transgene further diminished the residual bitter and sweet taste responsiveness of the alpha-gustducin-null mice suggests that other guanine nucleotide-binding regulatory proteins expressed in the alpha-gustducin lineage of taste cells mediate these responses. Guanine Nucleotides 149-167 guanine nucleotide binding protein, alpha transducing 3 Mus musculus 213-228 11342560-0 2001 Specificities for the small G proteins ARF1 and ARF6 of the guanine nucleotide exchange factors ARNO and EFA6. Guanine Nucleotides 60-78 ADP ribosylation factor 1 Homo sapiens 39-43 11342560-0 2001 Specificities for the small G proteins ARF1 and ARF6 of the guanine nucleotide exchange factors ARNO and EFA6. Guanine Nucleotides 60-78 ADP ribosylation factor 6 Homo sapiens 48-52 11342560-0 2001 Specificities for the small G proteins ARF1 and ARF6 of the guanine nucleotide exchange factors ARNO and EFA6. Guanine Nucleotides 60-78 cytohesin 2 Homo sapiens 96-100 11342560-0 2001 Specificities for the small G proteins ARF1 and ARF6 of the guanine nucleotide exchange factors ARNO and EFA6. Guanine Nucleotides 60-78 pleckstrin and Sec7 domain containing Homo sapiens 105-109 11401849-1 2001 We characterized the role of guanine nucleotide dissociation inhibitor (GDI) in RhoA/Rho-kinase-mediated Ca2+ sensitization of smooth muscle. Guanine Nucleotides 29-47 ras homolog family member A Homo sapiens 80-84 11703925-0 2001 Ras-activated endocytosis is mediated by the Rab5 guanine nucleotide exchange activity of RIN1. Guanine Nucleotides 50-68 RAB5A, member RAS oncogene family Homo sapiens 45-49 11703925-0 2001 Ras-activated endocytosis is mediated by the Rab5 guanine nucleotide exchange activity of RIN1. Guanine Nucleotides 50-68 Ras and Rab interactor 1 Homo sapiens 90-94 11703925-2 2001 RIN1 also contains a region homologous to the catalytic domain of Vps9p-like Rab guanine nucleotide exchange factors (GEFs). Guanine Nucleotides 81-99 Ras and Rab interactor 1 Homo sapiens 0-4 11703925-4 2001 RIN1 is also shown to stimulate Rab5 guanine nucleotide exchange, Rab5A-dependent endosome fusion, and EGF receptor-mediated endocytosis. Guanine Nucleotides 37-55 Ras and Rab interactor 1 Homo sapiens 0-4 11703925-4 2001 RIN1 is also shown to stimulate Rab5 guanine nucleotide exchange, Rab5A-dependent endosome fusion, and EGF receptor-mediated endocytosis. Guanine Nucleotides 37-55 RAB5A, member RAS oncogene family Homo sapiens 32-36 11470914-4 2001 The expression of Vav (Delta1-187), a constitutively active guanine nucleotide exchange factor for the Rho GTPases, or activated forms of Ras or Rho family members, leads to STAT3-specific activation. Guanine Nucleotides 60-78 vav guanine nucleotide exchange factor 1 Homo sapiens 18-21 11470914-4 2001 The expression of Vav (Delta1-187), a constitutively active guanine nucleotide exchange factor for the Rho GTPases, or activated forms of Ras or Rho family members, leads to STAT3-specific activation. Guanine Nucleotides 60-78 signal transducer and activator of transcription 3 Homo sapiens 174-179 11470431-1 2001 BACKGROUND: The multidomain PDZ-RhoGEF is one of many known guanine nucleotide exchange factors that upregulate Rho GTPases. Guanine Nucleotides 60-78 Rho guanine nucleotide exchange factor 11 Homo sapiens 28-38 11292826-8 2001 In contrast, although the structures of the Ras-binding domains are similar, the thermodynamics of the Ras/Raf and Ras/Ral guanine nucleotide dissociation stimulator interactions are quite different. Guanine Nucleotides 123-141 RAS like proto-oncogene A Homo sapiens 119-122 11279243-4 2001 Overexpression of a GFP-ARF1 fusion protein did not affect the morphological changes induced by CT, but changes were reduced in cells overexpressing guanine nucleotide exchange-defective ARF1(T31N) or GTP hydrolysis-deficient ARF1(Q71L) mutants. Guanine Nucleotides 149-167 ADP-ribosylation factor 1 Cricetulus griseus 20-28 11448776-3 2001 A role for intracellular Ca(2+) in the activation of Ras has been previously demonstrated, e.g., via the nonreceptor tyrosine kinase PYK2 and by Ca(2+)/calmodulin-dependent guanine nucleotide exchange factors (GEFs) such as Ras-GRF; however, there is no Ca(2+)-dependent mechanism for direct inactivation. Guanine Nucleotides 173-191 calmodulin 1 Homo sapiens 152-162 11279243-4 2001 Overexpression of a GFP-ARF1 fusion protein did not affect the morphological changes induced by CT, but changes were reduced in cells overexpressing guanine nucleotide exchange-defective ARF1(T31N) or GTP hydrolysis-deficient ARF1(Q71L) mutants. Guanine Nucleotides 149-167 ADP-ribosylation factor 1 Cricetulus griseus 24-28 11262396-1 2001 Vav1 and Vav2 are members of the Dbl family of guanine nucleotide exchange factors for the Rho family of small GTPases. Guanine Nucleotides 47-65 vav guanine nucleotide exchange factor 1 Homo sapiens 0-4 11262396-1 2001 Vav1 and Vav2 are members of the Dbl family of guanine nucleotide exchange factors for the Rho family of small GTPases. Guanine Nucleotides 47-65 vav guanine nucleotide exchange factor 2 Homo sapiens 9-13 11278352-1 2001 AGS3, a 650-amino acid protein encoded by an approximately 4-kilobase (kb) mRNA enriched in rat brain, is a Galpha(i)/Galpha(t)-binding protein that competes with Gbetagamma for interaction with Galpha(GDP) and acts as a guanine nucleotide dissociation inhibitor for heterotrimeric G-proteins. Guanine Nucleotides 221-239 G-protein signaling modulator 1 Rattus norvegicus 0-4 11406571-14 2001 However, for a precise elucidation of the role of the N-Ras(A18T) mutant in melanoma, additional studies aimed to measure the affinity to guanine nucleotide exchange factors and GTPase-activating proteins are needed. Guanine Nucleotides 138-156 NRAS proto-oncogene, GTPase Homo sapiens 54-59 11331068-1 2001 The standard model of signal transduction from G-protein-coupled receptors (GPCRs) involves guanine nucleotide cycling by a heterotrimeric G-protein assembly composed of Galpha, Gbeta, and Ggamma subunits. Guanine Nucleotides 92-110 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 170-176 11331068-1 2001 The standard model of signal transduction from G-protein-coupled receptors (GPCRs) involves guanine nucleotide cycling by a heterotrimeric G-protein assembly composed of Galpha, Gbeta, and Ggamma subunits. Guanine Nucleotides 92-110 succinate-CoA ligase GDP-forming subunit beta Homo sapiens 178-183 11340168-10 2001 Finally, we provide mechanisms for the activation of these pathways, namely, the direct in vivo interaction of TC21 with guanine nucleotide exchange factors for Ral, resulting in their translocation to the plasma membrane, and the direct interaction of TC21 with PI-3K. Guanine Nucleotides 121-139 RAS related 2 Homo sapiens 111-115 11340168-10 2001 Finally, we provide mechanisms for the activation of these pathways, namely, the direct in vivo interaction of TC21 with guanine nucleotide exchange factors for Ral, resulting in their translocation to the plasma membrane, and the direct interaction of TC21 with PI-3K. Guanine Nucleotides 121-139 RAS like proto-oncogene A Homo sapiens 161-164 11344266-2 2001 One proposal is that the receptor uses the G protein"s betagamma heterodimer as a lever, tilting it to pull open the guanine nucleotide binding pocket of Galpha. Guanine Nucleotides 117-135 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 154-160 11320245-7 2001 Some aptamers inhibit guanine-nucleotide exchange on ARF1, thereby preventing ARF activation in vitro. Guanine Nucleotides 22-40 ADP ribosylation factor 1 Homo sapiens 53-57 11278678-6 2001 These results suggest that D57N Rac2 may act in a dominant negative fashion in cells by sequestering endogenous guanine nucleotide exchange factors. Guanine Nucleotides 112-130 Rac family small GTPase 2 Homo sapiens 32-36 11278749-6 2001 Additional experiments with Rab8b mutants demonstrated that Rab8b requires a guanine nucleotide but not prenylation for its interaction with TRIP8b. Guanine Nucleotides 77-95 RAB8B, member RAS oncogene family Mus musculus 60-65 11278749-6 2001 Additional experiments with Rab8b mutants demonstrated that Rab8b requires a guanine nucleotide but not prenylation for its interaction with TRIP8b. Guanine Nucleotides 77-95 peroxisomal biogenesis factor 5-like Mus musculus 141-147 11336706-3 2001 Focus formation, stress fiber dissolution, and activation of the ERK-1/2 MAP kinase signal cascade were reverted by the cytohesin-1 E157K mutant, which is deficient in catalyzing guanine nucleotide exchange. Guanine Nucleotides 179-197 mitogen-activated protein kinase 3 Homo sapiens 65-72 11283245-0 2001 Regulation of Ras signaling specificity by protein kinase C. Ras proteins have the capacity to bind to and activate at least three families of downstream target proteins: Raf kinases, phosphatidylinositol 3 (PI 3)-kinase, and Ral-specific guanine nucleotide exchange factors (Ral-GEFs). Guanine Nucleotides 239-257 zinc fingers and homeoboxes 2 Homo sapiens 171-174 11283245-0 2001 Regulation of Ras signaling specificity by protein kinase C. Ras proteins have the capacity to bind to and activate at least three families of downstream target proteins: Raf kinases, phosphatidylinositol 3 (PI 3)-kinase, and Ral-specific guanine nucleotide exchange factors (Ral-GEFs). Guanine Nucleotides 239-257 RAS like proto-oncogene A Homo sapiens 226-229 11336673-2 2001 We report the cloning and characterization of ephexin, a novel Eph receptor-interacting protein that is a member of the Dbl family of guanine nucleotide exchange factors (GEFs) for Rho GTPases. Guanine Nucleotides 134-152 neuronal guanine nucleotide exchange factor Homo sapiens 46-53 11336674-0 2001 Structural basis for guanine nucleotide exchange on Ran by the regulator of chromosome condensation (RCC1). Guanine Nucleotides 21-39 RAN, member RAS oncogene family Homo sapiens 52-55 11336674-0 2001 Structural basis for guanine nucleotide exchange on Ran by the regulator of chromosome condensation (RCC1). Guanine Nucleotides 21-39 regulator of chromosome condensation 1 Homo sapiens 101-105 11337747-0 2001 Characterization of ARHGEF6, a guanine nucleotide exchange factor for Rho GTPases and a candidate gene for X-linked mental retardation: mutation screening in Borjeson-Forssman-Lehmann syndrome and MRX27. Guanine Nucleotides 31-49 Rac/Cdc42 guanine nucleotide exchange factor 6 Homo sapiens 20-27 11294905-1 2001 The activation of the small ras-like GTPase Arf1p requires the action of guanine nucleotide exchange factors. Guanine Nucleotides 73-91 Arf family GTPase ARF1 Saccharomyces cerevisiae S288C 44-49 11294905-2 2001 Four Arf1p guanine nucleotide exchange factors have been identified in yeast: Sec7p, Syt1p, Gea1p, and its homologue Gea2p. Guanine Nucleotides 11-29 Arf family GTPase ARF1 Saccharomyces cerevisiae S288C 5-10 11294905-2 2001 Four Arf1p guanine nucleotide exchange factors have been identified in yeast: Sec7p, Syt1p, Gea1p, and its homologue Gea2p. Guanine Nucleotides 11-29 Arf family guanine nucleotide exchange factor SEC7 Saccharomyces cerevisiae S288C 78-83 11336706-3 2001 Focus formation, stress fiber dissolution, and activation of the ERK-1/2 MAP kinase signal cascade were reverted by the cytohesin-1 E157K mutant, which is deficient in catalyzing guanine nucleotide exchange. Guanine Nucleotides 179-197 cytohesin 1 Homo sapiens 120-131 11294905-2 2001 Four Arf1p guanine nucleotide exchange factors have been identified in yeast: Sec7p, Syt1p, Gea1p, and its homologue Gea2p. Guanine Nucleotides 11-29 Arf family guanine nucleotide exchange factor SYT1 Saccharomyces cerevisiae S288C 85-90 11294905-2 2001 Four Arf1p guanine nucleotide exchange factors have been identified in yeast: Sec7p, Syt1p, Gea1p, and its homologue Gea2p. Guanine Nucleotides 11-29 Arf family guanine nucleotide exchange factor GEA1 Saccharomyces cerevisiae S288C 92-97 11294905-2 2001 Four Arf1p guanine nucleotide exchange factors have been identified in yeast: Sec7p, Syt1p, Gea1p, and its homologue Gea2p. Guanine Nucleotides 11-29 Arf family guanine nucleotide exchange factor GEA2 Saccharomyces cerevisiae S288C 117-122 11401507-6 2001 Binding of importin beta1 to PTHrP is reduced in the presence of the GTP-bound but not GDP-bound form of the guanine nucleotide binding protein Ran, consistent with the idea that RanGTP binding to importin beta is involved in the release of PTHrP into the nucleus following translocation across the nuclear envelope. Guanine Nucleotides 109-127 parathyroid hormone like hormone Homo sapiens 29-34 11226470-2 2001 The conversion of Arf-GDP to Arf-GTP is promoted in vivo by guanine nucleotide exchange factors such as ARNO or cytohesin-1. Guanine Nucleotides 60-78 cytohesin 2 Homo sapiens 104-108 11134022-8 2001 Furthermore, the oligomer-to-monomer transition of Rac1-GDP could be driven effectively by interaction with the Rho guanine nucleotide dissociation inhibitor. Guanine Nucleotides 116-134 Rac family small GTPase 1 Homo sapiens 51-55 11248257-3 2001 DAP3 has motifs characteristic of guanine nucleotide binding proteins and is probably the protein that accounts for the nucleotide binding activity of mammalian mitochondrial ribosomes. Guanine Nucleotides 34-52 death associated protein 3 Homo sapiens 0-4 11240978-7 2001 The activities of inosine monophosphate dehydrogenase and hypoxanthine-guanine phosphoribosyltransferase, which are responsible for guanine nucleotide formation, were measured in RBCs by radiochemical methods. Guanine Nucleotides 132-150 hypoxanthine phosphoribosyltransferase 1 Homo sapiens 58-104 11226470-2 2001 The conversion of Arf-GDP to Arf-GTP is promoted in vivo by guanine nucleotide exchange factors such as ARNO or cytohesin-1. Guanine Nucleotides 60-78 cytohesin 1 Homo sapiens 112-123 11238945-1 2001 Ras is a small GTPase that is activated by upstream guanine nucleotide exchange factors, one of which is Ras-GRF2. Guanine Nucleotides 52-70 Ras protein specific guanine nucleotide releasing factor 2 Homo sapiens 105-113 11266127-1 2001 BetaPix, a Pak-interacting guanine nucleotide exchange factor is known to be involved in the regulation of Cdc42/Rac GTPases and Pak kinase activity. Guanine Nucleotides 27-45 Rho guanine nucleotide exchange factor (GEF7) Mus musculus 0-7 11266127-1 2001 BetaPix, a Pak-interacting guanine nucleotide exchange factor is known to be involved in the regulation of Cdc42/Rac GTPases and Pak kinase activity. Guanine Nucleotides 27-45 cell division cycle 42 Mus musculus 107-112 11162626-4 2001 Binding of gp120 to CXCR4 was neither regulated by guanine nucleotides, nor affected by divalent cations, was temperature independent and bound to a homogenous population of CXCR4, which is characteristic for an antagonist to a G-protein coupled receptor. Guanine Nucleotides 51-70 inter-alpha-trypsin inhibitor heavy chain 4 Homo sapiens 11-16 11096073-7 2001 A number of different functions have been ascribed to PAKs; and PAKs can bind directly to growth factor signaling-adaptor molecule, Nck, and a guanine nucleotide exchanger, betaPIX. Guanine Nucleotides 143-161 Rho guanine nucleotide exchange factor 7 Homo sapiens 173-180 11060303-7 2001 D. melanogaster eIF2Balpha confers regulation of eIF2B function in yeast, while eIF2Bepsilon shows guanine nucleotide exchange activity. Guanine Nucleotides 99-117 eukaryotic translation initiation factor 2B subunit epsilon Drosophila melanogaster 80-92 11060289-2 2001 To identify novel components that affect the ER transcriptional response, we performed a genetic screen in yeast and identified RDI1, a Rho guanine nucleotide dissociation inhibitor (Rho GDI), as a positive regulator of ER transactivation. Guanine Nucleotides 140-158 Rdi1p Saccharomyces cerevisiae S288C 128-132 11060289-2 2001 To identify novel components that affect the ER transcriptional response, we performed a genetic screen in yeast and identified RDI1, a Rho guanine nucleotide dissociation inhibitor (Rho GDI), as a positive regulator of ER transactivation. Guanine Nucleotides 140-158 Rho GDP dissociation inhibitor alpha Homo sapiens 183-190 11063739-8 2001 These results suggest that 1) Rab4 interacts with syntaxin 4 in a direct and specific manner, and 2) the interaction is regulated by the guanine nucleotide status of Rab4 as well as by the conformational status of syntaxin 4. Guanine Nucleotides 137-155 RAB4A, member RAS oncogene family Rattus norvegicus 30-34 11063739-8 2001 These results suggest that 1) Rab4 interacts with syntaxin 4 in a direct and specific manner, and 2) the interaction is regulated by the guanine nucleotide status of Rab4 as well as by the conformational status of syntaxin 4. Guanine Nucleotides 137-155 syntaxin 4 Rattus norvegicus 50-60 11063739-8 2001 These results suggest that 1) Rab4 interacts with syntaxin 4 in a direct and specific manner, and 2) the interaction is regulated by the guanine nucleotide status of Rab4 as well as by the conformational status of syntaxin 4. Guanine Nucleotides 137-155 RAB4A, member RAS oncogene family Rattus norvegicus 166-170 11162626-4 2001 Binding of gp120 to CXCR4 was neither regulated by guanine nucleotides, nor affected by divalent cations, was temperature independent and bound to a homogenous population of CXCR4, which is characteristic for an antagonist to a G-protein coupled receptor. Guanine Nucleotides 51-70 C-X-C motif chemokine receptor 4 Homo sapiens 20-25 11162626-5 2001 In contrast, SDF-1alpha binds to two affinity states of CXCR4 in T-cell membranes, which are modulated by guanine nucleotides. Guanine Nucleotides 106-125 C-X-C motif chemokine receptor 4 Homo sapiens 56-61 11171300-2 2001 Light-activated rhodopsin stimulates guanine nucleotide exchange on the Gq class of G-protein, which activates phospholipase C to hydrolyze phosphatidylinositol 4,5-bisphosphate to inositol-1,4,5-trisphosphate and diacylglycerol. Guanine Nucleotides 37-55 rhodopsin Homo sapiens 16-25 11257458-2 2001 In the present study, we show that PTH [1-34]-dependent IP(3) release in young rats was blocked to a great extent by an antibody against guanine nucleotide binding protein Galphaq/11, indicating that the hormone activates a beta isoform of PLC coupled to the alpha subunit of Gq/11. Guanine Nucleotides 137-155 parathyroid hormone Rattus norvegicus 35-38 11158304-1 2001 Small guanine nucleotide-binding proteins of the Ras and Rho (Rac, Cdc42, and Rho) families have been implicated in cardiac myocyte hypertrophy, and this may involve the extracellular signal-related kinase (ERK), c-Jun N-terminal kinase (JNK), and/or p38 mitogen-activated protein kinase (MAPK) cascades. Guanine Nucleotides 6-24 AKT serine/threonine kinase 1 Homo sapiens 62-65 11158328-7 2001 The identification of novel cAMP-binding proteins that exhibit guanine nucleotide exchange (GEF) activity (cAMP-GEFS; Epacs) has open new doors for cAMP action that include activation of small GTPases such as Rap1a, Rap2, and possibly Ras. Guanine Nucleotides 63-81 Rho/Rac guanine nucleotide exchange factor 2 Homo sapiens 92-95 11158304-1 2001 Small guanine nucleotide-binding proteins of the Ras and Rho (Rac, Cdc42, and Rho) families have been implicated in cardiac myocyte hypertrophy, and this may involve the extracellular signal-related kinase (ERK), c-Jun N-terminal kinase (JNK), and/or p38 mitogen-activated protein kinase (MAPK) cascades. Guanine Nucleotides 6-24 cell division cycle 42 Homo sapiens 67-72 11158328-7 2001 The identification of novel cAMP-binding proteins that exhibit guanine nucleotide exchange (GEF) activity (cAMP-GEFS; Epacs) has open new doors for cAMP action that include activation of small GTPases such as Rap1a, Rap2, and possibly Ras. Guanine Nucleotides 63-81 RAP1A, member of RAS oncogene family Homo sapiens 209-214 11158304-1 2001 Small guanine nucleotide-binding proteins of the Ras and Rho (Rac, Cdc42, and Rho) families have been implicated in cardiac myocyte hypertrophy, and this may involve the extracellular signal-related kinase (ERK), c-Jun N-terminal kinase (JNK), and/or p38 mitogen-activated protein kinase (MAPK) cascades. Guanine Nucleotides 6-24 mitogen-activated protein kinase 1 Homo sapiens 170-205 11158328-7 2001 The identification of novel cAMP-binding proteins that exhibit guanine nucleotide exchange (GEF) activity (cAMP-GEFS; Epacs) has open new doors for cAMP action that include activation of small GTPases such as Rap1a, Rap2, and possibly Ras. Guanine Nucleotides 63-81 RAP2A, member of RAS oncogene family Homo sapiens 216-220 11158304-1 2001 Small guanine nucleotide-binding proteins of the Ras and Rho (Rac, Cdc42, and Rho) families have been implicated in cardiac myocyte hypertrophy, and this may involve the extracellular signal-related kinase (ERK), c-Jun N-terminal kinase (JNK), and/or p38 mitogen-activated protein kinase (MAPK) cascades. Guanine Nucleotides 6-24 mitogen-activated protein kinase 1 Homo sapiens 207-210 11158304-1 2001 Small guanine nucleotide-binding proteins of the Ras and Rho (Rac, Cdc42, and Rho) families have been implicated in cardiac myocyte hypertrophy, and this may involve the extracellular signal-related kinase (ERK), c-Jun N-terminal kinase (JNK), and/or p38 mitogen-activated protein kinase (MAPK) cascades. Guanine Nucleotides 6-24 mitogen-activated protein kinase 8 Homo sapiens 213-236 11158304-1 2001 Small guanine nucleotide-binding proteins of the Ras and Rho (Rac, Cdc42, and Rho) families have been implicated in cardiac myocyte hypertrophy, and this may involve the extracellular signal-related kinase (ERK), c-Jun N-terminal kinase (JNK), and/or p38 mitogen-activated protein kinase (MAPK) cascades. Guanine Nucleotides 6-24 mitogen-activated protein kinase 8 Homo sapiens 238-241 11158304-1 2001 Small guanine nucleotide-binding proteins of the Ras and Rho (Rac, Cdc42, and Rho) families have been implicated in cardiac myocyte hypertrophy, and this may involve the extracellular signal-related kinase (ERK), c-Jun N-terminal kinase (JNK), and/or p38 mitogen-activated protein kinase (MAPK) cascades. Guanine Nucleotides 6-24 mitogen-activated protein kinase 14 Homo sapiens 251-287 11235208-3 2001 In 293T cells, Rap2 was regulated by the same set of guanine nucleotide exchange factors (GEFs) and GTPase-activating proteins (GAPs) as those which regulated Rap1. Guanine Nucleotides 53-71 RAP2A, member of RAS oncogene family Homo sapiens 15-19 11313946-2 2001 This Ras pathway modulator (RPM), also termed RGL3, exhibited Ras-binding and catalytic domains typical of the RalGDS-family of guanine nucleotide exchange factors, and was most similar to Rlf (RalGDS-like factor), but was distinguished by a unique proline-rich region with multiple candidate SH3-domain binding sites. Guanine Nucleotides 128-146 ral guanine nucleotide dissociation stimulator like 3 Homo sapiens 46-50 11113201-0 2001 Wsc1 and Mid2 are cell surface sensors for cell wall integrity signaling that act through Rom2, a guanine nucleotide exchange factor for Rho1. Guanine Nucleotides 98-116 Mid2p Saccharomyces cerevisiae S288C 9-13 11210546-0 2001 Functional analysis of ADP-ribosylation factor (ARF) guanine nucleotide exchange factors Gea1p and Gea2p in yeast. Guanine Nucleotides 53-71 Arf family guanine nucleotide exchange factor GEA1 Saccharomyces cerevisiae S288C 89-94 11210546-0 2001 Functional analysis of ADP-ribosylation factor (ARF) guanine nucleotide exchange factors Gea1p and Gea2p in yeast. Guanine Nucleotides 53-71 Arf family guanine nucleotide exchange factor GEA2 Saccharomyces cerevisiae S288C 99-104 11113201-0 2001 Wsc1 and Mid2 are cell surface sensors for cell wall integrity signaling that act through Rom2, a guanine nucleotide exchange factor for Rho1. Guanine Nucleotides 98-116 Slg1p Saccharomyces cerevisiae S288C 0-4 11113201-0 2001 Wsc1 and Mid2 are cell surface sensors for cell wall integrity signaling that act through Rom2, a guanine nucleotide exchange factor for Rho1. Guanine Nucleotides 98-116 Rho family guanine nucleotide exchange factor ROM2 Saccharomyces cerevisiae S288C 90-94 11113201-0 2001 Wsc1 and Mid2 are cell surface sensors for cell wall integrity signaling that act through Rom2, a guanine nucleotide exchange factor for Rho1. Guanine Nucleotides 98-116 Rho family GTPase RHO1 Saccharomyces cerevisiae S288C 137-141 11134331-1 2001 The dbl oncogene product (onco-Dbl) is the prototype member of a family of guanine nucleotide exchange factors (GEFs) for Rho GTPases. Guanine Nucleotides 75-93 MCF.2 cell line derived transforming sequence Homo sapiens 4-7 11134331-1 2001 The dbl oncogene product (onco-Dbl) is the prototype member of a family of guanine nucleotide exchange factors (GEFs) for Rho GTPases. Guanine Nucleotides 75-93 MCF.2 cell line derived transforming sequence Homo sapiens 31-34 11680691-1 2001 OBJECTIVE: The purpose of this study is to investigate stage- and hormone-dependent expression of chondrocyte-derived ezrin-like domain containing protein (CDEP), a putative guanine nucleotide exchange factor (GEF) for Rho in chondrocytes, and demonstrate the guanine nucleotide exchange activity of this protein in vitro, as well as the transforming activity in NIH3T3 cells. Guanine Nucleotides 174-192 FERM, RhoGEF (Arhgef) and pleckstrin domain protein 1 (chondrocyte-derived) Mus musculus 156-160 11680691-1 2001 OBJECTIVE: The purpose of this study is to investigate stage- and hormone-dependent expression of chondrocyte-derived ezrin-like domain containing protein (CDEP), a putative guanine nucleotide exchange factor (GEF) for Rho in chondrocytes, and demonstrate the guanine nucleotide exchange activity of this protein in vitro, as well as the transforming activity in NIH3T3 cells. Guanine Nucleotides 174-192 rho/rac guanine nucleotide exchange factor (GEF) 2 Mus musculus 210-213 11680691-3 2001 The guanine nucleotide exchange activity was determined using a recombinant CDEP peptide containing the DH and PH domains in Sf9 cell lysates. Guanine Nucleotides 4-22 FERM, RhoGEF (Arhgef) and pleckstrin domain protein 1 (chondrocyte-derived) Mus musculus 76-80 10998360-2 2000 Moreover, Rac1 can be activated by several guanine nucleotide exchange factors, which facilitate the release of GDP. Guanine Nucleotides 43-61 Rac family small GTPase 1 Mus musculus 10-14 11024022-3 2000 To elucidate the potential mechanisms of regulation of G protein signaling by proteins containing GPR motifs, we examined the effects of the AGS3 GPR domain on the kinetics of guanine nucleotide exchange and GTP hydrolysis by G(i)alpha(1) and transducin-alpha (G(t)alpha). Guanine Nucleotides 176-194 Pho80p Saccharomyces cerevisiae S288C 141-145 11130063-0 2000 Crystal structure of Rac1 in complex with the guanine nucleotide exchange region of Tiam1. Guanine Nucleotides 46-64 Rac family small GTPase 1 Homo sapiens 21-25 11130063-0 2000 Crystal structure of Rac1 in complex with the guanine nucleotide exchange region of Tiam1. Guanine Nucleotides 46-64 TIAM Rac1 associated GEF 1 Homo sapiens 84-89 11130063-1 2000 The principal guanine nucleotide exchange factors for Rho family G proteins contain tandem Dbl-homology (DH) and pleckstrin-homology (PH) domains that catalyse nucleotide exchange and the activation of G proteins. Guanine Nucleotides 14-32 MCF.2 cell line derived transforming sequence Homo sapiens 91-94 11130063-3 2000 The two switch regions of Rac1 are stabilized in conformations that disrupt both magnesium binding and guanine nucleotide interaction. Guanine Nucleotides 103-121 Rac family small GTPase 1 Homo sapiens 26-30 11130063-6 2000 The Tiam1/Rac1 structure highlights the interactions that catalyse nucleotide exchange on Rho family G proteins, and illustrates structural determinants dictating specificity between individual Rho family members and their associated Dbl-related guanine nucleotide exchange factors. Guanine Nucleotides 246-264 TIAM Rac1 associated GEF 1 Homo sapiens 4-9 11130063-6 2000 The Tiam1/Rac1 structure highlights the interactions that catalyse nucleotide exchange on Rho family G proteins, and illustrates structural determinants dictating specificity between individual Rho family members and their associated Dbl-related guanine nucleotide exchange factors. Guanine Nucleotides 246-264 Rac family small GTPase 1 Homo sapiens 10-14 11130063-6 2000 The Tiam1/Rac1 structure highlights the interactions that catalyse nucleotide exchange on Rho family G proteins, and illustrates structural determinants dictating specificity between individual Rho family members and their associated Dbl-related guanine nucleotide exchange factors. Guanine Nucleotides 246-264 MCF.2 cell line derived transforming sequence Homo sapiens 234-237 11056004-14 2000 Colocalization of Rab3D and REP-2 on acinar cell membranes suggests that REP-2 plays a role in delivering Rab3D to parotid membranes and may regulate guanine nucleotide binding to membrane-associated Rab3D. Guanine Nucleotides 150-168 RAB3D, member RAS oncogene family Rattus norvegicus 18-23 11195784-1 2000 The beta-adrenoceptor (beta-AR) mediated signal transduction pathway in cardiomyocytes is known to involve beta1- and beta2-ARs, stimulatory (Gs) and inhibitory (Gi) guanine nucleotide binding proteins, adenylyl cyclase (AC) and cAMP-dependent protein kinase (PKA). Guanine Nucleotides 166-184 adrenergic receptor, beta 1 Mus musculus 4-21 11195784-1 2000 The beta-adrenoceptor (beta-AR) mediated signal transduction pathway in cardiomyocytes is known to involve beta1- and beta2-ARs, stimulatory (Gs) and inhibitory (Gi) guanine nucleotide binding proteins, adenylyl cyclase (AC) and cAMP-dependent protein kinase (PKA). Guanine Nucleotides 166-184 adrenergic receptor, beta 1 Mus musculus 23-30 11027278-1 2000 Ral GTPases have been implicated as mediators of Ras-induced signal transduction from observations that Ral-specific guanine nucleotide exchange factors associate with Ras and are activated by Ras. Guanine Nucleotides 117-135 RAS like proto-oncogene A Homo sapiens 0-3 11027278-1 2000 Ral GTPases have been implicated as mediators of Ras-induced signal transduction from observations that Ral-specific guanine nucleotide exchange factors associate with Ras and are activated by Ras. Guanine Nucleotides 117-135 RAS like proto-oncogene A Homo sapiens 104-107 11041858-0 2000 Phosphorylation of serine 51 in initiation factor 2 alpha (eIF2 alpha) promotes complex formation between eIF2 alpha(P) and eIF2B and causes inhibition in the guanine nucleotide exchange activity of eIF2B. Guanine Nucleotides 159-177 eukaryotic translation initiation factor 2A Oryctolagus cuniculus 59-69 11041858-0 2000 Phosphorylation of serine 51 in initiation factor 2 alpha (eIF2 alpha) promotes complex formation between eIF2 alpha(P) and eIF2B and causes inhibition in the guanine nucleotide exchange activity of eIF2B. Guanine Nucleotides 159-177 eukaryotic translation initiation factor 2A Oryctolagus cuniculus 106-116 11041858-1 2000 Phosphorylation of serine 51 residue on the alpha-subunit of eukaryotic initiation factor 2 (eIF2alpha) inhibits the guanine nucleotide exchange (GNE) activity of eIF2B, presumably, by forming a tight complex with eIF2B. Guanine Nucleotides 117-135 eukaryotic translation initiation factor 2A Oryctolagus cuniculus 93-102 11038176-0 2000 TRAPP stimulates guanine nucleotide exchange on Ypt1p. Guanine Nucleotides 17-35 RAB1A, member RAS oncogene family Homo sapiens 48-53 10998360-5 2000 Both PtdIns(3,4,5)P(3) and PtdIns(3,4)P(2) enhanced Tiam1 guanine nucleotide exchange activity in vitro, but PtdIns(4,5)P(2) had no effect. Guanine Nucleotides 58-76 T cell lymphoma invasion and metastasis 1 Mus musculus 52-57 11003655-4 2000 We have identified the guanine nucleotide exchange factors Sos1 and Sos2 as novel binding partners of Abi-1. Guanine Nucleotides 23-41 SOS Ras/Rac guanine nucleotide exchange factor 1 Homo sapiens 59-63 11003655-4 2000 We have identified the guanine nucleotide exchange factors Sos1 and Sos2 as novel binding partners of Abi-1. Guanine Nucleotides 23-41 SOS Ras/Rho guanine nucleotide exchange factor 2 Homo sapiens 68-72 11003655-4 2000 We have identified the guanine nucleotide exchange factors Sos1 and Sos2 as novel binding partners of Abi-1. Guanine Nucleotides 23-41 abl interactor 1 Homo sapiens 102-107 11029752-12 2000 Retention of adenosine diphosphate-ribosylation factor (ARF) in permeabilized cells and insensitivity of the cytosolic reconstituting activity to brefeldin A led to our speculation that ARF6 may be the GTPase involved in GTP-dependent secretion, and that activity from a BFA-insensitive ARF6 guanine nucleotide exchange factor reconstitutes secretion. Guanine Nucleotides 292-310 ADP ribosylation factor 6 Bos taurus 186-190 11017088-0 2000 Mutations in ARHGEF6, encoding a guanine nucleotide exchange factor for Rho GTPases, in patients with X-linked mental retardation. Guanine Nucleotides 33-51 Rac/Cdc42 guanine nucleotide exchange factor 6 Homo sapiens 13-20 11017088-4 2000 Here we report the identification of a new MRX gene, ARHGEF6 (also known as alphaPIX or Cool-2), encoding a protein with homology to guanine nucleotide exchange factors for Rho GTPases (Rho GEF). Guanine Nucleotides 133-151 discs large MAGUK scaffold protein 3 Homo sapiens 43-46 11017088-4 2000 Here we report the identification of a new MRX gene, ARHGEF6 (also known as alphaPIX or Cool-2), encoding a protein with homology to guanine nucleotide exchange factors for Rho GTPases (Rho GEF). Guanine Nucleotides 133-151 Rac/Cdc42 guanine nucleotide exchange factor 6 Homo sapiens 53-60 11017088-4 2000 Here we report the identification of a new MRX gene, ARHGEF6 (also known as alphaPIX or Cool-2), encoding a protein with homology to guanine nucleotide exchange factors for Rho GTPases (Rho GEF). Guanine Nucleotides 133-151 Rac/Cdc42 guanine nucleotide exchange factor 6 Homo sapiens 76-84 11017088-4 2000 Here we report the identification of a new MRX gene, ARHGEF6 (also known as alphaPIX or Cool-2), encoding a protein with homology to guanine nucleotide exchange factors for Rho GTPases (Rho GEF). Guanine Nucleotides 133-151 Rac/Cdc42 guanine nucleotide exchange factor 6 Homo sapiens 88-94 10882715-0 2000 Stimulation of Ras guanine nucleotide exchange activity of Ras-GRF1/CDC25(Mm) upon tyrosine phosphorylation by the Cdc42-regulated kinase ACK1. Guanine Nucleotides 19-37 Ras protein specific guanine nucleotide releasing factor 1 Homo sapiens 59-67 10882715-0 2000 Stimulation of Ras guanine nucleotide exchange activity of Ras-GRF1/CDC25(Mm) upon tyrosine phosphorylation by the Cdc42-regulated kinase ACK1. Guanine Nucleotides 19-37 cell division cycle 25C Homo sapiens 68-73 10882715-0 2000 Stimulation of Ras guanine nucleotide exchange activity of Ras-GRF1/CDC25(Mm) upon tyrosine phosphorylation by the Cdc42-regulated kinase ACK1. Guanine Nucleotides 19-37 cell division cycle 42 Homo sapiens 115-120 10882715-0 2000 Stimulation of Ras guanine nucleotide exchange activity of Ras-GRF1/CDC25(Mm) upon tyrosine phosphorylation by the Cdc42-regulated kinase ACK1. Guanine Nucleotides 19-37 tyrosine kinase non receptor 2 Homo sapiens 138-142 10985780-1 2000 Guanine nucleotide dissociation stimulator (GDS) promotes the release of tightly bound GDP from various Ras superfamily proteins, including RhoA, Rac1, K-Ras, Rap1A, and Rap1B. Guanine Nucleotides 0-18 ras homolog family member A Homo sapiens 140-144 10985780-1 2000 Guanine nucleotide dissociation stimulator (GDS) promotes the release of tightly bound GDP from various Ras superfamily proteins, including RhoA, Rac1, K-Ras, Rap1A, and Rap1B. Guanine Nucleotides 0-18 Rac family small GTPase 1 Homo sapiens 146-150 10985780-1 2000 Guanine nucleotide dissociation stimulator (GDS) promotes the release of tightly bound GDP from various Ras superfamily proteins, including RhoA, Rac1, K-Ras, Rap1A, and Rap1B. Guanine Nucleotides 0-18 KRAS proto-oncogene, GTPase Homo sapiens 152-157 10985780-1 2000 Guanine nucleotide dissociation stimulator (GDS) promotes the release of tightly bound GDP from various Ras superfamily proteins, including RhoA, Rac1, K-Ras, Rap1A, and Rap1B. Guanine Nucleotides 0-18 RAP1A, member of RAS oncogene family Homo sapiens 159-164 10985780-1 2000 Guanine nucleotide dissociation stimulator (GDS) promotes the release of tightly bound GDP from various Ras superfamily proteins, including RhoA, Rac1, K-Ras, Rap1A, and Rap1B. Guanine Nucleotides 0-18 RAP1B, member of RAS oncogene family Homo sapiens 170-175 11008983-1 2000 OBJECTIVE: The polymorphism 825C-->T in exon 10 of the gene GNB3 encoding the beta3 subunit of heterotrimeric guanine nucleotide binding regulatory proteins (G-proteins) results in a splicing variant (GNB3-s) in which the nucleotides 498-620 of exon 9 are deleted. Guanine Nucleotides 113-131 G protein subunit beta 3 Homo sapiens 63-67 10990452-5 2000 The Ric1p-Rgp1p complex binds Ypt6p in a nucleotide-dependent manner, and purified Ric1p-Rgp1 stimulates guanine nucleotide exchange on Ypt6p in vitro. Guanine Nucleotides 105-123 RIC1 homolog, RAB6A GEF complex partner 1 Homo sapiens 4-9 10990452-5 2000 The Ric1p-Rgp1p complex binds Ypt6p in a nucleotide-dependent manner, and purified Ric1p-Rgp1 stimulates guanine nucleotide exchange on Ypt6p in vitro. Guanine Nucleotides 105-123 RGP1 homolog, RAB6A GEF complex partner 1 Homo sapiens 10-15 10990452-5 2000 The Ric1p-Rgp1p complex binds Ypt6p in a nucleotide-dependent manner, and purified Ric1p-Rgp1 stimulates guanine nucleotide exchange on Ypt6p in vitro. Guanine Nucleotides 105-123 RIC1 homolog, RAB6A GEF complex partner 1 Homo sapiens 83-88 10990452-5 2000 The Ric1p-Rgp1p complex binds Ypt6p in a nucleotide-dependent manner, and purified Ric1p-Rgp1 stimulates guanine nucleotide exchange on Ypt6p in vitro. Guanine Nucleotides 105-123 RGP1 homolog, RAB6A GEF complex partner 1 Homo sapiens 10-14 10896938-1 2000 We previously identified a novel murine protein, AND-34, with a carboxyl-terminal domain homologous to Ras family guanine nucleotide exchange factors (GEFs), which bound to the focal adhesion docking protein p130(Cas). Guanine Nucleotides 114-132 breast cancer anti-estrogen resistance 3 Mus musculus 49-55 10896938-1 2000 We previously identified a novel murine protein, AND-34, with a carboxyl-terminal domain homologous to Ras family guanine nucleotide exchange factors (GEFs), which bound to the focal adhesion docking protein p130(Cas). Guanine Nucleotides 114-132 nucleolar and coiled-body phosphoprotein 1 Mus musculus 208-212 11008983-1 2000 OBJECTIVE: The polymorphism 825C-->T in exon 10 of the gene GNB3 encoding the beta3 subunit of heterotrimeric guanine nucleotide binding regulatory proteins (G-proteins) results in a splicing variant (GNB3-s) in which the nucleotides 498-620 of exon 9 are deleted. Guanine Nucleotides 113-131 G protein subunit beta 3 Homo sapiens 204-208 10869344-4 2000 We identified the C-terminal Rit/Ras interaction domain of a protein we have designated RGL3 (Ral GEF-like 3) that shares 35% sequence identity with the known Ral guanine nucleotide exchange factors (RalGEFs). Guanine Nucleotides 163-181 Ras like without CAAX 1 Homo sapiens 29-32 10938118-1 2000 The mammalian sos1 and sos2 genes encode highly homologous members of the Son-of-sevenless family of guanine nucleotide exchange factors. Guanine Nucleotides 101-119 SOS Ras/Rac guanine nucleotide exchange factor 1 Homo sapiens 14-18 10938118-1 2000 The mammalian sos1 and sos2 genes encode highly homologous members of the Son-of-sevenless family of guanine nucleotide exchange factors. Guanine Nucleotides 101-119 SOS Ras/Rho guanine nucleotide exchange factor 2 Homo sapiens 23-27 10938113-1 2000 Vav proteins are guanine nucleotide exchange factors for Rho family GTPases which activate pathways leading to actin cytoskeletal rearrangements and transcriptional alterations. Guanine Nucleotides 17-35 vav guanine nucleotide exchange factor 1 Homo sapiens 0-3 10869344-4 2000 We identified the C-terminal Rit/Ras interaction domain of a protein we have designated RGL3 (Ral GEF-like 3) that shares 35% sequence identity with the known Ral guanine nucleotide exchange factors (RalGEFs). Guanine Nucleotides 163-181 ral guanine nucleotide dissociation stimulator like 3 Homo sapiens 88-92 10869344-4 2000 We identified the C-terminal Rit/Ras interaction domain of a protein we have designated RGL3 (Ral GEF-like 3) that shares 35% sequence identity with the known Ral guanine nucleotide exchange factors (RalGEFs). Guanine Nucleotides 163-181 ral guanine nucleotide dissociation stimulator like 3 Homo sapiens 94-108 10869344-4 2000 We identified the C-terminal Rit/Ras interaction domain of a protein we have designated RGL3 (Ral GEF-like 3) that shares 35% sequence identity with the known Ral guanine nucleotide exchange factors (RalGEFs). Guanine Nucleotides 163-181 RAS like proto-oncogene A Homo sapiens 94-97 10869344-6 2000 Importantly, RGL3 exhibited guanine nucleotide exchange activity toward the small GTPase Ral that was stimulated in vivo by the expression of either activated Rit or Ras. Guanine Nucleotides 28-46 ral guanine nucleotide dissociation stimulator like 3 Homo sapiens 13-17 10869344-6 2000 Importantly, RGL3 exhibited guanine nucleotide exchange activity toward the small GTPase Ral that was stimulated in vivo by the expression of either activated Rit or Ras. Guanine Nucleotides 28-46 RAS like proto-oncogene A Homo sapiens 89-92 10835422-2 2000 Tiam1 is a member of the Dbl family of guanine nucleotide exchange factors that activate Rho family GTPases. Guanine Nucleotides 39-57 TIAM Rac1 associated GEF 1 Homo sapiens 0-5 11045624-0 2000 Interaction of mammalian mitochondrial elongation factor EF-Tu with guanine nucleotides. Guanine Nucleotides 68-87 eukaryotic translation elongation factor 1 alpha 1 Homo sapiens 57-62 11045624-2 2000 During the elongation cycle, EF-Tu interacts with guanine nucleotides, aa-tRNA and its nucleotide exchange factor (EF-Ts). Guanine Nucleotides 50-69 eukaryotic translation elongation factor 1 alpha 1 Homo sapiens 29-34 11045624-2 2000 During the elongation cycle, EF-Tu interacts with guanine nucleotides, aa-tRNA and its nucleotide exchange factor (EF-Ts). Guanine Nucleotides 50-69 Ts translation elongation factor, mitochondrial Homo sapiens 115-120 11045624-3 2000 Quantitative determination of the equilibrium dissociation constants that govern the interactions of mammalian mitochondrial EF-Tu (EF-Tu(mt)) with guanine nucleotides was the focus of the work reported here. Guanine Nucleotides 148-167 eukaryotic translation elongation factor 1 alpha 1 Homo sapiens 125-130 11045624-3 2000 Quantitative determination of the equilibrium dissociation constants that govern the interactions of mammalian mitochondrial EF-Tu (EF-Tu(mt)) with guanine nucleotides was the focus of the work reported here. Guanine Nucleotides 148-167 eukaryotic translation elongation factor 1 alpha 1 Homo sapiens 132-141 10954741-1 2000 Sec7 domains (Sec7d) catalyze the exchange of guanine nucleotide on ARFs. Guanine Nucleotides 46-64 cytohesin 1 Homo sapiens 0-4 10852917-8 2000 In support of this model, our yeast eIF2B preparations bind guanine nucleotides, with an apparent dissociation constant for GTP in the low micromolar range. Guanine Nucleotides 60-79 eukaryotic translation initiation factor 2B subunit delta Homo sapiens 36-41 10843989-2 2000 Here we have investigated the role of Mg(2+) cofactor in the guanine nucleotide binding and hydrolysis processes of the Rho family members, Cdc42, Rac1, and RhoA. Guanine Nucleotides 61-79 cell division cycle 42 Homo sapiens 140-145 10843989-2 2000 Here we have investigated the role of Mg(2+) cofactor in the guanine nucleotide binding and hydrolysis processes of the Rho family members, Cdc42, Rac1, and RhoA. Guanine Nucleotides 61-79 Rac family small GTPase 1 Homo sapiens 147-151 10843989-2 2000 Here we have investigated the role of Mg(2+) cofactor in the guanine nucleotide binding and hydrolysis processes of the Rho family members, Cdc42, Rac1, and RhoA. Guanine Nucleotides 61-79 ras homolog family member A Homo sapiens 157-161 10854437-1 2000 The Dbl family guanine-nucleotide exchange factors (GEFs) for Rho GTPases share the structural array of a Dbl homology (DH) domain in tandem with a Pleckstrin homology (PH) domain. Guanine Nucleotides 15-33 mcf.2 transforming sequence Mus musculus 4-7 10854437-1 2000 The Dbl family guanine-nucleotide exchange factors (GEFs) for Rho GTPases share the structural array of a Dbl homology (DH) domain in tandem with a Pleckstrin homology (PH) domain. Guanine Nucleotides 15-33 mcf.2 transforming sequence Mus musculus 106-109 10835426-3 2000 CalDAG-GEFIII promoted the guanine nucleotide exchange of Ha-Ras, R-Ras, and Rap1 in vitro also, indicating that CalDAG-GEFIII exhibited the widest substrate specificity among the known GEFs for Ras family G proteins. Guanine Nucleotides 27-45 RAS guanyl releasing protein 3 Homo sapiens 0-13 10835426-3 2000 CalDAG-GEFIII promoted the guanine nucleotide exchange of Ha-Ras, R-Ras, and Rap1 in vitro also, indicating that CalDAG-GEFIII exhibited the widest substrate specificity among the known GEFs for Ras family G proteins. Guanine Nucleotides 27-45 RAP1A, member of RAS oncogene family Homo sapiens 77-81 10835426-3 2000 CalDAG-GEFIII promoted the guanine nucleotide exchange of Ha-Ras, R-Ras, and Rap1 in vitro also, indicating that CalDAG-GEFIII exhibited the widest substrate specificity among the known GEFs for Ras family G proteins. Guanine Nucleotides 27-45 RAS guanyl releasing protein 3 Homo sapiens 113-126 10843989-5 2000 The catalytic activity of the guanine nucleotide exchange factors (GEFs) appeared to be negatively regulated by free Mg(2+), and GEF binding to Rho GTPase resulted in a 10-fold decrease in affinity for Mg(2+), suggesting that one role of GEF is to displace bound Mg(2+) from the Rho proteins. Guanine Nucleotides 30-48 Rho/Rac guanine nucleotide exchange factor 2 Homo sapiens 67-70 10843989-5 2000 The catalytic activity of the guanine nucleotide exchange factors (GEFs) appeared to be negatively regulated by free Mg(2+), and GEF binding to Rho GTPase resulted in a 10-fold decrease in affinity for Mg(2+), suggesting that one role of GEF is to displace bound Mg(2+) from the Rho proteins. Guanine Nucleotides 30-48 Rho/Rac guanine nucleotide exchange factor 2 Homo sapiens 129-132 10835422-2 2000 Tiam1 is a member of the Dbl family of guanine nucleotide exchange factors that activate Rho family GTPases. Guanine Nucleotides 39-57 MCF.2 cell line derived transforming sequence Homo sapiens 25-28 10962559-6 2000 Thus, cAMP activation of Rap 1 in HL-60 cells is likely through a cAMP-regulated guanine nucleotide exchange factor (cAMP-GEF) and since cAMP does not activate Rap 1 in the variant cells, the data suggest that full post-translational processing of Rap 1 is necessary for cAMP-GEF activation of Rap 1. Guanine Nucleotides 81-99 RAP1A, member of RAS oncogene family Homo sapiens 25-30 10930571-2 2000 A gene, FGD1, altered in a patient with AAS phenotype, has been identified and found to encode a protein with homology to Rho/Rac guanine nucleotide exchange factors (Rho/Rac GEF). Guanine Nucleotides 130-148 FYVE, RhoGEF and PH domain containing 1 Homo sapiens 8-12 10811801-2 2000 Proteins that regulate the GTPase cycle and subcellular distribution of Ran include the cytoplasmic GTPase-activating protein (RanGAP) and its co-factors (RanBP1, RanBP2), the nuclear guanine nucleotide exchange factor (RanGEF), and the Ran import receptor (NTF2). Guanine Nucleotides 184-202 RAN, member RAS oncogene family Homo sapiens 72-75 11075717-10 2000 Along this line, microinjection of anti-Shc antibody inhibited insulin-induced mitogenesis, and the guanine nucleotide exchange activity for p21ras is tightly associated with Shc, but not with IRS. Guanine Nucleotides 100-118 HRas proto-oncogene, GTPase Homo sapiens 141-147 11075717-10 2000 Along this line, microinjection of anti-Shc antibody inhibited insulin-induced mitogenesis, and the guanine nucleotide exchange activity for p21ras is tightly associated with Shc, but not with IRS. Guanine Nucleotides 100-118 SHC adaptor protein 1 Homo sapiens 175-178 10953035-1 2000 Inosine 5"-monophosphate dehydrogenase (IMPDH) is the rate-limiting enzyme in the de novo synthesis of guanine nucleotides, which are also synthesized from guanine by a salvage reaction catalyzed by the X chromosome-linked enzyme hypoxanthine-guanine phosphoribosyltransferase (HPRT). Guanine Nucleotides 103-122 hypoxanthine guanine phosphoribosyl transferase Mus musculus 230-276 10953035-1 2000 Inosine 5"-monophosphate dehydrogenase (IMPDH) is the rate-limiting enzyme in the de novo synthesis of guanine nucleotides, which are also synthesized from guanine by a salvage reaction catalyzed by the X chromosome-linked enzyme hypoxanthine-guanine phosphoribosyltransferase (HPRT). Guanine Nucleotides 103-122 hypoxanthine guanine phosphoribosyl transferase Mus musculus 278-282 10935551-5 2000 In addition, we analyzed the expression of the recently described, cAMP-regulated guanine nucleotide exchange factors (cAMP-GEFI and GEFII) that impact Ras-related GTPases and Raf kinases, known regulators of various protein kinase cascades. Guanine Nucleotides 82-100 Rap guanine nucleotide exchange factor 3 Homo sapiens 119-138 10935551-5 2000 In addition, we analyzed the expression of the recently described, cAMP-regulated guanine nucleotide exchange factors (cAMP-GEFI and GEFII) that impact Ras-related GTPases and Raf kinases, known regulators of various protein kinase cascades. Guanine Nucleotides 82-100 zinc fingers and homeoboxes 2 Homo sapiens 176-179 10840027-5 2000 In addition, the in vivo and in vitro properties of AGS1 are consistent with it functioning as a direct guanine nucleotide exchange factor for Galpha(i)/Galpha(o). Guanine Nucleotides 104-122 ras related dexamethasone induced 1 Homo sapiens 52-56 10840027-5 2000 In addition, the in vivo and in vitro properties of AGS1 are consistent with it functioning as a direct guanine nucleotide exchange factor for Galpha(i)/Galpha(o). Guanine Nucleotides 104-122 G protein subunit alpha o1 Homo sapiens 153-162 10811801-2 2000 Proteins that regulate the GTPase cycle and subcellular distribution of Ran include the cytoplasmic GTPase-activating protein (RanGAP) and its co-factors (RanBP1, RanBP2), the nuclear guanine nucleotide exchange factor (RanGEF), and the Ran import receptor (NTF2). Guanine Nucleotides 184-202 RAN, member RAS oncogene family Homo sapiens 127-130 10811801-6 2000 Following GTP release, Mog1 remains bound to nucleotide-free Ran in a conformation that prevents rebinding of the guanine nucleotide. Guanine Nucleotides 114-132 RAN guanine nucleotide release factor Homo sapiens 23-27 10811801-6 2000 Following GTP release, Mog1 remains bound to nucleotide-free Ran in a conformation that prevents rebinding of the guanine nucleotide. Guanine Nucleotides 114-132 RAN, member RAS oncogene family Homo sapiens 61-64 10951566-1 2000 In addition to protein kinase A (PKA), cAMP regulates the activity of cAMP-gated channels and Rap1-specific guanine nucleotide exchange factors. Guanine Nucleotides 108-126 RAP1A, member of RAS oncogene family Homo sapiens 94-98 10777494-1 2000 Epac1 (cAMP-GEFI) and Epac2 (cAMP-GEFII) are closely related guanine nucleotide exchange factors (GEFs) for the small GTPase Rap1, which are directly regulated by cAMP. Guanine Nucleotides 61-79 Rap guanine nucleotide exchange factor 1 Caenorhabditis elegans 0-5 10777494-1 2000 Epac1 (cAMP-GEFI) and Epac2 (cAMP-GEFII) are closely related guanine nucleotide exchange factors (GEFs) for the small GTPase Rap1, which are directly regulated by cAMP. Guanine Nucleotides 61-79 Ras-related protein Rap-1 Caenorhabditis elegans 125-129 10880441-3 2000 Here we describe the identification, cloning and genetic characterization of C.ELEGANS: SOS-1, a putative guanine nucleotide exchanger for LET-60 RAS. Guanine Nucleotides 106-124 Son of sevenless homolog Caenorhabditis elegans 88-93 10801827-5 2000 Mammalian mitochondrial EF-Tu (EF-Tu(mt)) differs from the corresponding prokaryotic factors in having a much lower affinity for guanine nucleotides. Guanine Nucleotides 129-148 Tu translation elongation factor, mitochondrial Homo sapiens 24-29 10801827-5 2000 Mammalian mitochondrial EF-Tu (EF-Tu(mt)) differs from the corresponding prokaryotic factors in having a much lower affinity for guanine nucleotides. Guanine Nucleotides 129-148 Tu translation elongation factor, mitochondrial Homo sapiens 31-40 10869177-0 2000 Circular dichroic investigation of the native and non-native conformational states of the growth factor receptor-binding protein 2 N-terminal src homology domain 3: effect of binding to a proline-rich peptide from guanine nucleotide exchange factor. Guanine Nucleotides 214-232 growth factor receptor bound protein 2 Homo sapiens 90-130 10880441-3 2000 Here we describe the identification, cloning and genetic characterization of C.ELEGANS: SOS-1, a putative guanine nucleotide exchanger for LET-60 RAS. Guanine Nucleotides 106-124 Ras protein let-60 Caenorhabditis elegans 139-145 10777492-2 2000 Guanine nucleotide exchange of R-Ras and TC21 was promoted by RasGRF, C3G, CalDAG-GEFI, CalDAG-GEFII (RasGRP), and CalDAG-GEFIII both in 293T cells and in vitro. Guanine Nucleotides 0-18 RAS related 2 Homo sapiens 41-45 10848592-5 2000 Activation of the Ras-Ral pathway by expression of an activated mutant of either Ras, the guanine-nucleotide dissociation stimulator for Ral, or Ral resulted in increased motility of myoblasts. Guanine Nucleotides 90-108 v-ral simian leukemia viral oncogene A (ras related) Mus musculus 22-25 10848592-5 2000 Activation of the Ras-Ral pathway by expression of an activated mutant of either Ras, the guanine-nucleotide dissociation stimulator for Ral, or Ral resulted in increased motility of myoblasts. Guanine Nucleotides 90-108 v-ral simian leukemia viral oncogene A (ras related) Mus musculus 137-140 10848592-5 2000 Activation of the Ras-Ral pathway by expression of an activated mutant of either Ras, the guanine-nucleotide dissociation stimulator for Ral, or Ral resulted in increased motility of myoblasts. Guanine Nucleotides 90-108 v-ral simian leukemia viral oncogene A (ras related) Mus musculus 137-140 10922467-3 2000 Alternative splicing of ITSN2 generates a short isoform with two EH domains, a coiled-coil region and five SH3 domains, and a longer isoform containing extra carboxy domains (DH, PH and C2 domains), suggesting that it could act as a guanine nucleotide exchange factor for Rho-like GTPases. Guanine Nucleotides 233-251 intersectin 2 Homo sapiens 24-29 10866657-4 2000 In transient-transfection assays with both transformed and primary hepatocytes, the human TBP promoter was shown to be induced by expression of the HBV X protein in a Ras-dependent manner, requiring both Ral guanine nucleotide dissociation stimulator (RalGDS) and Raf signaling. Guanine Nucleotides 208-226 TATA-box binding protein Homo sapiens 90-93 10777492-2 2000 Guanine nucleotide exchange of R-Ras and TC21 was promoted by RasGRF, C3G, CalDAG-GEFI, CalDAG-GEFII (RasGRP), and CalDAG-GEFIII both in 293T cells and in vitro. Guanine Nucleotides 0-18 RAS guanyl releasing protein 1 Homo sapiens 88-100 10777492-2 2000 Guanine nucleotide exchange of R-Ras and TC21 was promoted by RasGRF, C3G, CalDAG-GEFI, CalDAG-GEFII (RasGRP), and CalDAG-GEFIII both in 293T cells and in vitro. Guanine Nucleotides 0-18 RAS guanyl releasing protein 1 Homo sapiens 102-108 10777492-2 2000 Guanine nucleotide exchange of R-Ras and TC21 was promoted by RasGRF, C3G, CalDAG-GEFI, CalDAG-GEFII (RasGRP), and CalDAG-GEFIII both in 293T cells and in vitro. Guanine Nucleotides 0-18 Rap guanine nucleotide exchange factor 1 Homo sapiens 70-73 10777492-3 2000 By contrast, guanine nucleotide exchange of M-Ras was promoted by the guanine nucleotide exchange factors (GEFs) for the classical Ras (Ha-, K-, and N-), including mSos, RasGRF, CalDAG-GEFII, and CalDAG-GEFIII. Guanine Nucleotides 13-31 muscle RAS oncogene homolog Homo sapiens 44-49 10777492-2 2000 Guanine nucleotide exchange of R-Ras and TC21 was promoted by RasGRF, C3G, CalDAG-GEFI, CalDAG-GEFII (RasGRP), and CalDAG-GEFIII both in 293T cells and in vitro. Guanine Nucleotides 0-18 RAS guanyl releasing protein 1 Homo sapiens 75-86 10777492-3 2000 By contrast, guanine nucleotide exchange of M-Ras was promoted by the guanine nucleotide exchange factors (GEFs) for the classical Ras (Ha-, K-, and N-), including mSos, RasGRF, CalDAG-GEFII, and CalDAG-GEFIII. Guanine Nucleotides 13-31 RAS guanyl releasing protein 1 Homo sapiens 178-190 10777492-3 2000 By contrast, guanine nucleotide exchange of M-Ras was promoted by the guanine nucleotide exchange factors (GEFs) for the classical Ras (Ha-, K-, and N-), including mSos, RasGRF, CalDAG-GEFII, and CalDAG-GEFIII. Guanine Nucleotides 70-88 muscle RAS oncogene homolog Homo sapiens 44-49 10858301-8 2000 These findings suggest that plant eIF2alpha is capable of interacting with the guanine nucleotide exchange factor eIF2B within the context of the eIF2 holoenzyme and provide direct evidence for its ability to participate in phosphorylation-mediated translational control in vivo. Guanine Nucleotides 79-97 eukaryotic translation initiation factor 2A Homo sapiens 34-43 10777492-3 2000 By contrast, guanine nucleotide exchange of M-Ras was promoted by the guanine nucleotide exchange factors (GEFs) for the classical Ras (Ha-, K-, and N-), including mSos, RasGRF, CalDAG-GEFII, and CalDAG-GEFIII. Guanine Nucleotides 70-88 RAS guanyl releasing protein 1 Homo sapiens 178-190 10866202-2 2000 We identified a Cdc42 mutant (Cdc42F28L) which binds GTP in the absence of a guanine nucleotide exchange factor, but still hydrolyses GTP with a turnover number identical to that for wild-type Cdc42. Guanine Nucleotides 77-95 cell division cycle 42 Homo sapiens 16-21 10748207-6 2000 This RHOA-GDP structure reveals an important regulatory role for Mg(2+) and suggests that guanine nucleotide exchange factor may utilize this feature of switch I to produce an open conformation in GDP/GTP exchange. Guanine Nucleotides 90-108 ras homolog family member A Homo sapiens 5-9 10858531-0 2000 Identification of domains within the epsilon-subunit of the translation initiation factor eIF2B that are necessary for guanine nucleotide exchange activity and eIF2B holoprotein formation. Guanine Nucleotides 119-137 eukaryotic translation initiation factor 2B subunit epsilon Homo sapiens 90-95 10852703-1 2000 Heterotrimeric guanine nucleotide-binding proteins (G-proteins) are transducers in many cellular transmembrane signaling systems where regulators of G-protein signaling (RGS) act as attenuators of the G-protein signal cascade by binding to the Galpha subunit of G-proteins (G(i)(alpha)(1)) and increasing the rate of GTP hydrolysis. Guanine Nucleotides 15-33 paired like homeodomain 2 Homo sapiens 170-173 10852703-1 2000 Heterotrimeric guanine nucleotide-binding proteins (G-proteins) are transducers in many cellular transmembrane signaling systems where regulators of G-protein signaling (RGS) act as attenuators of the G-protein signal cascade by binding to the Galpha subunit of G-proteins (G(i)(alpha)(1)) and increasing the rate of GTP hydrolysis. Guanine Nucleotides 15-33 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 244-250 10866202-2 2000 We identified a Cdc42 mutant (Cdc42F28L) which binds GTP in the absence of a guanine nucleotide exchange factor, but still hydrolyses GTP with a turnover number identical to that for wild-type Cdc42. Guanine Nucleotides 77-95 cell division cycle 42 Homo sapiens 30-35 10839806-5 2000 In add-back experiments in Xenopus egg extracts, addition of a guanine nucleotide dissociation inhibitor for the Rho family, RhoGDI, greatly diminished the bacterial motility or actin assembly, which was restored by adding activated Cdc42. Guanine Nucleotides 63-81 Rho GDP dissociation inhibitor (GDI) alpha L homeolog Xenopus laevis 125-131 10839806-5 2000 In add-back experiments in Xenopus egg extracts, addition of a guanine nucleotide dissociation inhibitor for the Rho family, RhoGDI, greatly diminished the bacterial motility or actin assembly, which was restored by adding activated Cdc42. Guanine Nucleotides 63-81 cell division cycle 42 L homeolog Xenopus laevis 233-238 10848997-0 2000 Phosphoinositides determine specificity of the guanine-nucleotide exchange activity of cytohesin-1 for ADP-ribosylation factors derived from a mammalian expression system. Guanine Nucleotides 47-65 cytohesin 1 Homo sapiens 87-98 10828067-0 2000 Interaction of GRASP, a protein encoded by a novel retinoic acid-induced gene, with members of the cytohesin family of guanine nucleotide exchange factors. Guanine Nucleotides 119-137 trafficking regulator and scaffold protein tamalin Homo sapiens 15-20 10811902-4 2000 Here, we report that LH/CGR-dependent desensitization is mimicked by ADP ribosylation factor nucleotide-binding site opener, a guanine nucleotide exchange factor of the small G proteins ADP ribosylation factors (Arfs) 1 and 6, and blocked by synthetic N-terminal Arf6 peptide, suggesting that the GTP-dependent step of LH/CGR desensitization is receptor-dependent Arf6 activation. Guanine Nucleotides 127-145 luteinizing hormone/choriogonadotropin receptor Homo sapiens 21-27 10860717-2 2000 In humans, NESP55 (MIM 139320) is encoded by an alternative transcript of GNAS1, the gene encoding the guanine nucleotide-binding alpha subunit of G(S). Guanine Nucleotides 103-121 GNAS complex locus Homo sapiens 74-79 10881192-0 2000 Structure of Arf6-GDP suggests a basis for guanine nucleotide exchange factors specificity. Guanine Nucleotides 43-61 ADP ribosylation factor 6 Homo sapiens 13-17 10828966-1 2000 Atrial natriuretic peptide (ANP) receptors A and B are guanylyl cyclase receptors, whereas ANP-C receptors are coupled to adenylyl cyclase through inhibitory guanine nucleotide (Gi) protein. Guanine Nucleotides 158-176 natriuretic peptide receptor 3 Homo sapiens 91-96 10881192-7 2000 Altogether, our results provide a structural basis for understanding how Arf1 and Arf6 can be distinguished by their guanine nucleotide exchange factors and suggest a model for the nucleotide/membrane cycle of Arf6. Guanine Nucleotides 117-135 ADP ribosylation factor 1 Homo sapiens 73-77 10811902-4 2000 Here, we report that LH/CGR-dependent desensitization is mimicked by ADP ribosylation factor nucleotide-binding site opener, a guanine nucleotide exchange factor of the small G proteins ADP ribosylation factors (Arfs) 1 and 6, and blocked by synthetic N-terminal Arf6 peptide, suggesting that the GTP-dependent step of LH/CGR desensitization is receptor-dependent Arf6 activation. Guanine Nucleotides 127-145 ADP ribosylation factor 6 Homo sapiens 263-267 10881192-7 2000 Altogether, our results provide a structural basis for understanding how Arf1 and Arf6 can be distinguished by their guanine nucleotide exchange factors and suggest a model for the nucleotide/membrane cycle of Arf6. Guanine Nucleotides 117-135 ADP ribosylation factor 6 Homo sapiens 82-86 10881192-7 2000 Altogether, our results provide a structural basis for understanding how Arf1 and Arf6 can be distinguished by their guanine nucleotide exchange factors and suggest a model for the nucleotide/membrane cycle of Arf6. Guanine Nucleotides 117-135 ADP ribosylation factor 6 Homo sapiens 210-214 10748082-6 2000 We also show Vav activation in cells, as monitored by phosphorylation of Vav, Vav association with phosphatidylinositol 3,4,5-trisphosphate, and Vav guanine nucleotide exchange activity, is blocked by the phosphatidylinositol 3-kinase inhibitor wortmannin. Guanine Nucleotides 149-167 vav guanine nucleotide exchange factor 1 Homo sapiens 13-16 10811902-4 2000 Here, we report that LH/CGR-dependent desensitization is mimicked by ADP ribosylation factor nucleotide-binding site opener, a guanine nucleotide exchange factor of the small G proteins ADP ribosylation factors (Arfs) 1 and 6, and blocked by synthetic N-terminal Arf6 peptide, suggesting that the GTP-dependent step of LH/CGR desensitization is receptor-dependent Arf6 activation. Guanine Nucleotides 127-145 luteinizing hormone/choriogonadotropin receptor Homo sapiens 319-325 10811902-4 2000 Here, we report that LH/CGR-dependent desensitization is mimicked by ADP ribosylation factor nucleotide-binding site opener, a guanine nucleotide exchange factor of the small G proteins ADP ribosylation factors (Arfs) 1 and 6, and blocked by synthetic N-terminal Arf6 peptide, suggesting that the GTP-dependent step of LH/CGR desensitization is receptor-dependent Arf6 activation. Guanine Nucleotides 127-145 ADP ribosylation factor 6 Homo sapiens 364-368 10744690-1 2000 RCC1 is the only known guanine nucleotide exchange factor for the small GTPase Ran and is normally found inside the nucleus bound to chromatin. Guanine Nucleotides 23-41 RAN, member RAS oncogene family Homo sapiens 79-82 10839353-0 2000 Regulation of presynaptic terminal organization by C. elegans RPM-1, a putative guanine nucleotide exchanger with a RING-H2 finger domain. Guanine Nucleotides 80-98 E3 ubiquitin-protein ligase rpm-1 Caenorhabditis elegans 62-67 10744696-1 2000 Vav and Vav2 are members of the Dbl family of proteins that act as guanine nucleotide exchange factors (GEFs) for Rho family proteins. Guanine Nucleotides 67-85 vav 1 oncogene Mus musculus 0-3 10744696-1 2000 Vav and Vav2 are members of the Dbl family of proteins that act as guanine nucleotide exchange factors (GEFs) for Rho family proteins. Guanine Nucleotides 67-85 vav 2 oncogene Mus musculus 8-12 10747847-0 2000 Identification and characterization of a new family of guanine nucleotide exchange factors for the ras-related GTPase Ral. Guanine Nucleotides 55-73 RAS like proto-oncogene A Homo sapiens 118-121 10747847-9 2000 In contrast to the Ral guanine nucleotide dissociation stimulator family of Ral GEFs, the RalGPS proteins do not possess a Ras-GTP-binding domain, suggesting that they are activated in a Ras-independent manner. Guanine Nucleotides 23-41 RAS like proto-oncogene A Homo sapiens 76-79 10760587-1 2000 Vav and vav2 are members of the dbl family of guanine nucleotide exchange factors (GEF) for the rho/rac family of GTP binding proteins. Guanine Nucleotides 46-64 vav guanine nucleotide exchange factor 1 Homo sapiens 0-3 10760587-1 2000 Vav and vav2 are members of the dbl family of guanine nucleotide exchange factors (GEF) for the rho/rac family of GTP binding proteins. Guanine Nucleotides 46-64 vav guanine nucleotide exchange factor 2 Homo sapiens 8-12 10734117-3 2000 Both negative and positive regulators of Arf, the centaurin beta family of Arf GTPase-activating proteins (GAPs) and Arf guanine nucleotide exchange factors, contain pleckstrin homology (PH) domains and are activated by phosphoinositides. Guanine Nucleotides 121-139 ArfGAP with dual PH domains 2 Homo sapiens 50-64 10727423-4 2000 Surprisingly, the guanine nucleotide dissociation constants for both Rem2 and Rem are significantly different than the majority of the Ras-related GTPases, displaying higher dissociation rates for GTP than GDP. Guanine Nucleotides 18-36 RRAD and GEM like GTPase 2 Rattus norvegicus 69-73 10736283-6 2000 A single guanine nucleotide insertion in exon 25 of the MyBP-C gene resulted in the loss of 40 bases in abnormally processed mRNA. Guanine Nucleotides 9-27 myosin binding protein C3 Homo sapiens 56-62 10734312-2 2000 Shc is believed to be regulated by a change in subcellular localization from the cytosol to the plasma membrane, where it recruits Grb-2/Sos complexes and hence permits juxtaposition of the guanine nucleotide exchange factor Sos to Ras, resulting in GDP/GTP exchange and Ras activation. Guanine Nucleotides 190-208 SHC adaptor protein 1 Homo sapiens 0-3 10725329-2 2000 Here, we show that the small guanine nucleotide (GTP)-binding protein, Rac1, can be activated upon HA binding to CD44. Guanine Nucleotides 29-47 Rac family small GTPase 1 Homo sapiens 71-75 10725329-2 2000 Here, we show that the small guanine nucleotide (GTP)-binding protein, Rac1, can be activated upon HA binding to CD44. Guanine Nucleotides 29-47 CD44 molecule (Indian blood group) Homo sapiens 113-117 10734312-2 2000 Shc is believed to be regulated by a change in subcellular localization from the cytosol to the plasma membrane, where it recruits Grb-2/Sos complexes and hence permits juxtaposition of the guanine nucleotide exchange factor Sos to Ras, resulting in GDP/GTP exchange and Ras activation. Guanine Nucleotides 190-208 xylosyltransferase 2 Homo sapiens 225-228 10713454-0 2000 Major transcript variants of VAV3, a new member of the VAV family of guanine nucleotide exchange factors. Guanine Nucleotides 69-87 vav guanine nucleotide exchange factor 3 Homo sapiens 29-33 10704234-10 2000 Taken together, these results indicate that the tethering of G(alpha)(s) to the beta(2)AR causes a conformational change in the receptor that stabilizes a species "trapped" between the non-guanine nucleotide-bound state and the GTP-bound form. Guanine Nucleotides 189-207 adrenoceptor beta 2 Homo sapiens 80-89 10725384-1 2000 The X-linked RP3 locus codes for retinitis pigmentosa GTPase regulator (RPGR), a protein of unknown function with sequence homology to the guanine nucleotide exchange factor for Ran GTPase. Guanine Nucleotides 139-157 retinitis pigmentosa GTPase regulator Mus musculus 72-76 10702222-0 2000 Unique in vivo associations with SmgGDS and RhoGDI and different guanine nucleotide exchange activities exhibited by RhoA, dominant negative RhoA(Asn-19), and activated RhoA(Val-14). Guanine Nucleotides 65-83 transforming protein RhoA Cricetulus griseus 117-121 10702222-0 2000 Unique in vivo associations with SmgGDS and RhoGDI and different guanine nucleotide exchange activities exhibited by RhoA, dominant negative RhoA(Asn-19), and activated RhoA(Val-14). Guanine Nucleotides 65-83 transforming protein RhoA Cricetulus griseus 141-145 10702222-0 2000 Unique in vivo associations with SmgGDS and RhoGDI and different guanine nucleotide exchange activities exhibited by RhoA, dominant negative RhoA(Asn-19), and activated RhoA(Val-14). Guanine Nucleotides 65-83 transforming protein RhoA Cricetulus griseus 141-145 10702222-5 2000 The guanine nucleotide dissociation inhibitor RhoGDI co-precipitates with RhoA, and to a lesser extent with RhoA(Val-14), but does not detectably co-precipitate with RhoA(Asn-19). Guanine Nucleotides 4-22 transforming protein RhoA Cricetulus griseus 74-78 10702222-5 2000 The guanine nucleotide dissociation inhibitor RhoGDI co-precipitates with RhoA, and to a lesser extent with RhoA(Val-14), but does not detectably co-precipitate with RhoA(Asn-19). Guanine Nucleotides 4-22 transforming protein RhoA Cricetulus griseus 108-112 10702222-5 2000 The guanine nucleotide dissociation inhibitor RhoGDI co-precipitates with RhoA, and to a lesser extent with RhoA(Val-14), but does not detectably co-precipitate with RhoA(Asn-19). Guanine Nucleotides 4-22 transforming protein RhoA Cricetulus griseus 108-112 10692441-12 2000 Kalirin-7 is the first guanine-nucleotide exchange factor identified in the postsynaptic density, where it is positioned optimally to regulate signal transduction pathways connecting membrane proteins and the actin cytoskeleton. Guanine Nucleotides 23-41 kalirin, RhoGEF kinase Rattus norvegicus 0-7 10713454-0 2000 Major transcript variants of VAV3, a new member of the VAV family of guanine nucleotide exchange factors. Guanine Nucleotides 69-87 vav guanine nucleotide exchange factor 1 Homo sapiens 29-32 10660120-0 2000 Effects of inhibitors of guanine nucleotide synthesis on membrane potential and cytosolic free Ca2+ levels in insulin-secreting cells. Guanine Nucleotides 25-43 insulin Mesocricetus auratus 110-117 10660536-3 2000 Rab proteins are thought to cycle on and off vesicle membranes in conjunction with changes in their guanine nucleotide state. Guanine Nucleotides 100-118 RAB24, member RAS oncogene family Homo sapiens 0-3 10681520-0 2000 Induction of rac-guanine nucleotide exchange activity of Ras-GRF1/CDC25(Mm) following phosphorylation by the nonreceptor tyrosine kinase Src. Guanine Nucleotides 17-35 Ras protein specific guanine nucleotide releasing factor 1 Homo sapiens 57-65 10681520-0 2000 Induction of rac-guanine nucleotide exchange activity of Ras-GRF1/CDC25(Mm) following phosphorylation by the nonreceptor tyrosine kinase Src. Guanine Nucleotides 17-35 cell division cycle 25C Homo sapiens 66-71 10681520-0 2000 Induction of rac-guanine nucleotide exchange activity of Ras-GRF1/CDC25(Mm) following phosphorylation by the nonreceptor tyrosine kinase Src. Guanine Nucleotides 17-35 SRC proto-oncogene, non-receptor tyrosine kinase Homo sapiens 137-140 10798620-0 2000 Localization of AtROP4 and AtROP6 and interaction with the guanine nucleotide dissociation inhibitor AtRhoGDI1 from Arabidopsis. Guanine Nucleotides 59-77 RAC-like GTP binding protein 5 Arabidopsis thaliana 16-22 10652308-0 2000 Similarities in function and gene structure of cytohesin-4 and cytohesin-1, guanine nucleotide-exchange proteins for ADP-ribosylation factors. Guanine Nucleotides 76-94 cytohesin 4 Homo sapiens 47-58 10652308-0 2000 Similarities in function and gene structure of cytohesin-4 and cytohesin-1, guanine nucleotide-exchange proteins for ADP-ribosylation factors. Guanine Nucleotides 76-94 cytohesin 1 Homo sapiens 63-74 10687955-4 2000 We found that a derepression of both GAL regulated promoters and invertase was related to the overexpression of CDC25 regions that contain a functional guanine nucleotide exchange (GEF) domain. Guanine Nucleotides 152-170 Ras family guanine nucleotide exchange factor CDC25 Saccharomyces cerevisiae S288C 112-117 10716190-5 2000 The constitutively active G14V-RhoA mutant expressed as a complex with RhoGDI and purified without added nucleotide also bound stoichiometric guanine nucleotide: 95% contained GDP and 5% GTP. Guanine Nucleotides 142-160 ras homolog family member A Homo sapiens 31-35 10664463-4 2000 This interaction involves switch II loop of Rnd1, a region crucial for guanine nucleotide exchange in all GTPases, and a Grb7 SH2 domain, a region crucial for Grb7 interaction with several activated receptors. Guanine Nucleotides 71-89 Rho family GTPase 1 Homo sapiens 44-48 10664463-4 2000 This interaction involves switch II loop of Rnd1, a region crucial for guanine nucleotide exchange in all GTPases, and a Grb7 SH2 domain, a region crucial for Grb7 interaction with several activated receptors. Guanine Nucleotides 71-89 growth factor receptor bound protein 7 Homo sapiens 121-125 10664463-4 2000 This interaction involves switch II loop of Rnd1, a region crucial for guanine nucleotide exchange in all GTPases, and a Grb7 SH2 domain, a region crucial for Grb7 interaction with several activated receptors. Guanine Nucleotides 71-89 growth factor receptor bound protein 7 Homo sapiens 159-163 10655614-1 2000 Rho family-specific guanine nucleotide dissociation inhibitors (RhoGDIs) decrease the rate of nucleotide dissociation and release Rho proteins such as RhoA, Rac and Cdc42 from membranes, forming tight complexes that shuttle between cytosol and membrane compartments. Guanine Nucleotides 20-38 Rho GDP dissociation inhibitor alpha Homo sapiens 64-71 10655614-1 2000 Rho family-specific guanine nucleotide dissociation inhibitors (RhoGDIs) decrease the rate of nucleotide dissociation and release Rho proteins such as RhoA, Rac and Cdc42 from membranes, forming tight complexes that shuttle between cytosol and membrane compartments. Guanine Nucleotides 20-38 ras homolog family member A Homo sapiens 151-155 10655614-1 2000 Rho family-specific guanine nucleotide dissociation inhibitors (RhoGDIs) decrease the rate of nucleotide dissociation and release Rho proteins such as RhoA, Rac and Cdc42 from membranes, forming tight complexes that shuttle between cytosol and membrane compartments. Guanine Nucleotides 20-38 AKT serine/threonine kinase 1 Homo sapiens 157-160 10655614-1 2000 Rho family-specific guanine nucleotide dissociation inhibitors (RhoGDIs) decrease the rate of nucleotide dissociation and release Rho proteins such as RhoA, Rac and Cdc42 from membranes, forming tight complexes that shuttle between cytosol and membrane compartments. Guanine Nucleotides 20-38 cell division cycle 42 Homo sapiens 165-170 10653898-1 2000 OBJECTIVE: Refined chromosome assignment of a novel Ras-related H-RalGDS gene (the human homology of rat RalGDS, Ral guanine nucleotide dissociation stimulator recently cloned and characterized by our laboratory) by using human/rodent radiation somatic cell hybrid panel GB4. Guanine Nucleotides 117-135 ral guanine nucleotide dissociation stimulator Homo sapiens 66-72 10652516-2 2000 The Sec7 domain is approximately 200 amino acids in size and stimulates guanine-nucleotide exchange on members of the ARF class of small GTPases. Guanine Nucleotides 72-90 cytohesin 1 Homo sapiens 4-8 10653898-1 2000 OBJECTIVE: Refined chromosome assignment of a novel Ras-related H-RalGDS gene (the human homology of rat RalGDS, Ral guanine nucleotide dissociation stimulator recently cloned and characterized by our laboratory) by using human/rodent radiation somatic cell hybrid panel GB4. Guanine Nucleotides 117-135 ral guanine nucleotide dissociation stimulator Rattus norvegicus 105-111 10673424-4 2000 The cytosolic guanine nucleotide dissociation inhibitors, RhoGDIs, regulate both the GDP/GTP exchange cycle and the membrane association/dissociation cycle. Guanine Nucleotides 14-32 Rho GDP dissociation inhibitor alpha Homo sapiens 58-65 10567919-7 2000 Guanine nucleotide-independent PLD activity is present in membranes from all cells expressing PLD2. Guanine Nucleotides 0-18 glycosylphosphatidylinositol specific phospholipase D1 Homo sapiens 31-34 10618392-5 2000 Rac3 activity results from both its distinct subcellular localization at the membrane and altered regulatory factors affecting the guanine nucleotide state of Rac3. Guanine Nucleotides 131-149 Rac family small GTPase 3 Homo sapiens 0-4 10618392-5 2000 Rac3 activity results from both its distinct subcellular localization at the membrane and altered regulatory factors affecting the guanine nucleotide state of Rac3. Guanine Nucleotides 131-149 Rac family small GTPase 3 Homo sapiens 159-163 10836144-7 2000 Furthermore, G alpha 12/13 can bind and activate Rho-specific guanine nucleotide exchange factors, providing a mechanism by which GPCRs that couple to G alpha 12/13 could activate Rho and its downstream responses. Guanine Nucleotides 62-80 G protein subunit alpha 12 Homo sapiens 13-23 10836144-7 2000 Furthermore, G alpha 12/13 can bind and activate Rho-specific guanine nucleotide exchange factors, providing a mechanism by which GPCRs that couple to G alpha 12/13 could activate Rho and its downstream responses. Guanine Nucleotides 62-80 G protein subunit alpha 12 Homo sapiens 151-161 10632732-2 2000 The low molecular mass cytosolic forms of guanylate kinase are implicated primarily in the regulation of the supply of guanine nucleotides to cell signalling pathways. Guanine Nucleotides 119-138 guanylate kinase Arabidopsis thaliana 42-58 10661494-9 2000 Pearce, R. Levi, A. Novogrodsky, Nitric oxide-stimulated guanine nucleotide exchange on p21 ras, J. Biol. Guanine Nucleotides 57-75 H3 histone pseudogene 16 Homo sapiens 88-91 10644539-6 2000 Moreover, the guanine nucleotide exchange activity of eIF2B was unaffected as was phosphorylation of the alpha-subunit of eIF2. Guanine Nucleotides 14-32 eukaryotic translation initiation factor 2B subunit delta Rattus norvegicus 54-59 10567919-7 2000 Guanine nucleotide-independent PLD activity is present in membranes from all cells expressing PLD2. Guanine Nucleotides 0-18 phospholipase D2 Homo sapiens 94-98 11455956-1 2000 RalGDS is a guanine nucleotide dissociation stimulator for Ral, which is a member of the Ras GTPase superfamily that regulates cellular proliferation, differentiation and transformation by mediating multiple signal transduction pathways. Guanine Nucleotides 12-30 ral guanine nucleotide dissociation stimulator Homo sapiens 0-6 11455956-1 2000 RalGDS is a guanine nucleotide dissociation stimulator for Ral, which is a member of the Ras GTPase superfamily that regulates cellular proliferation, differentiation and transformation by mediating multiple signal transduction pathways. Guanine Nucleotides 12-30 RAS like proto-oncogene A Homo sapiens 0-3 10724483-8 2000 Although RAS2 is not involved in the regulation of SRP1 expression, the guanine nucleotide exchange factor Cdc25, which is known to control the GTP/GDP ratio on the Ras proteins, was nevertheless required for hypoxic SRP1 expression. Guanine Nucleotides 72-90 Ras family guanine nucleotide exchange factor CDC25 Saccharomyces cerevisiae S288C 107-112 10824737-1 2000 The glycosyl-phosphatidylinositol anchored protein, membrane dipeptidase (EC 3.4.13.19) is released from the surface of 3T3-L1 adipocytes in response to insulin treatment through the action of a phospholipase C. The present study investigates the role of guanine-nucleotide binding proteins (G-proteins) in this process. Guanine Nucleotides 255-273 insulin Homo sapiens 153-160 10724483-8 2000 Although RAS2 is not involved in the regulation of SRP1 expression, the guanine nucleotide exchange factor Cdc25, which is known to control the GTP/GDP ratio on the Ras proteins, was nevertheless required for hypoxic SRP1 expression. Guanine Nucleotides 72-90 karyopherin alpha Saccharomyces cerevisiae S288C 217-221 10608818-0 1999 Dual interaction of ADP ribosylation factor 1 with Sec7 domain and with lipid membranes during catalysis of guanine nucleotide exchange. Guanine Nucleotides 108-126 ADP ribosylation factor 1 Homo sapiens 20-45 10608818-0 1999 Dual interaction of ADP ribosylation factor 1 with Sec7 domain and with lipid membranes during catalysis of guanine nucleotide exchange. Guanine Nucleotides 108-126 cytohesin 1 Homo sapiens 51-55 10598579-6 1999 Coprecipitation experiments showed that G(i2), G(i3), and G(q/11) proteins couple to the Mel 1a receptor in an agonist-dependent and guanine nucleotide-sensitive manner. Guanine Nucleotides 133-151 melatonin receptor 1A Homo sapiens 89-104 10593901-4 1999 The reduction in protein synthesis accompanying amino acid imbalance became manifest at high physiologic concentrations and was dictated by the guanine nucleotide exchange activity of translation initiation factor eIF2B. Guanine Nucleotides 144-162 eukaryotic translation initiation factor 2B subunit delta Rattus norvegicus 214-219 10593975-5 1999 Finally, the molecular mechanism for both in vitro GRK2-induced and in vivo agonist-induced desensitization is primarily a decrease in the maximum velocity (V(max)) for the catalysis of guanine nucleotide exchange by the GRP-R rather than a change in the affinity of the receptor for the alpha(q) or betagamma subunits. Guanine Nucleotides 186-204 G protein-coupled receptor kinase 2 Homo sapiens 51-55 10593975-5 1999 Finally, the molecular mechanism for both in vitro GRK2-induced and in vivo agonist-induced desensitization is primarily a decrease in the maximum velocity (V(max)) for the catalysis of guanine nucleotide exchange by the GRP-R rather than a change in the affinity of the receptor for the alpha(q) or betagamma subunits. Guanine Nucleotides 186-204 gastrin releasing peptide receptor Homo sapiens 221-226 10579713-4 1999 ECT2 catalyzes guanine nucleotide exchange on the small GTPases, RhoA, Rac1, and Cdc42. Guanine Nucleotides 15-33 epithelial cell transforming 2 Homo sapiens 0-4 10567412-2 1999 In fibroblasts, this involves formation and membrane localization of Shc.Grb2.Sos complexes, which increases the rate of Ras guanine nucleotide exchange. Guanine Nucleotides 125-143 SHC adaptor protein 1 Homo sapiens 69-72 10567412-2 1999 In fibroblasts, this involves formation and membrane localization of Shc.Grb2.Sos complexes, which increases the rate of Ras guanine nucleotide exchange. Guanine Nucleotides 125-143 growth factor receptor bound protein 2 Homo sapiens 73-77 10579713-4 1999 ECT2 catalyzes guanine nucleotide exchange on the small GTPases, RhoA, Rac1, and Cdc42. Guanine Nucleotides 15-33 ras homolog family member A Homo sapiens 65-69 10579713-4 1999 ECT2 catalyzes guanine nucleotide exchange on the small GTPases, RhoA, Rac1, and Cdc42. Guanine Nucleotides 15-33 Rac family small GTPase 1 Homo sapiens 71-75 10579713-4 1999 ECT2 catalyzes guanine nucleotide exchange on the small GTPases, RhoA, Rac1, and Cdc42. Guanine Nucleotides 15-33 cell division cycle 42 Homo sapiens 81-86 10579713-6 1999 Unlike other known guanine nucleotide exchange factors for Rho GTPases, ECT2 exhibits nuclear localization in interphase, spreads throughout the cytoplasm in prometaphase, and is condensed in the midbody during cytokinesis. Guanine Nucleotides 19-37 epithelial cell transforming 2 Homo sapiens 72-76 10579721-1 1999 Using biochemical assays to determine the activation state of Rho-like GTPases, we show that the guanine nucleotide exchange factor Tiam1 functions as a specific activator of Rac but not Cdc42 or Rho in NIH3T3 fibroblasts. Guanine Nucleotides 97-115 TIAM Rac1 associated GEF 1 Homo sapiens 132-137 10579721-1 1999 Using biochemical assays to determine the activation state of Rho-like GTPases, we show that the guanine nucleotide exchange factor Tiam1 functions as a specific activator of Rac but not Cdc42 or Rho in NIH3T3 fibroblasts. Guanine Nucleotides 97-115 AKT serine/threonine kinase 1 Homo sapiens 175-178 10563826-1 1999 Phosphorylation of the serine 51 residue in the alpha-subunit of translational initiation factor 2 in eukaryotes (eIF2 alpha) impairs protein synthesis presumably by sequestering eIF2B, a rate-limiting pentameric guanine nucleotide exchange protein which catalyzes the exchange of GTP for GDP in the eIF2-GDP binary complex. Guanine Nucleotides 213-231 eukaryotic translation initiation factor 2A Oryctolagus cuniculus 114-124 10559246-1 1999 Guanine nucleotide exchange factors of the Dbl family regulate the actin cytoskeleton through activation of Rho-like GTPases. Guanine Nucleotides 0-18 MCF.2 cell line derived transforming sequence Homo sapiens 43-46 10637774-1 1999 The exchange of free guanine nucleotides with guanine nucleotides bound to elongation factor 2 (EF-2) and to the EF-2-ribosome complex, and the effect of ADP-ribosylation of the EF-2 thereon, were investigated by nitrocellulose filter assay. Guanine Nucleotides 21-40 eukaryotic translation elongation factor 2 Homo sapiens 96-100 10545207-4 1999 Surprisingly, significant differences were found when the guanine nucleotide dissociation constants of Rit and Rin were compared with the majority of Ras-related GTPases. Guanine Nucleotides 58-76 Ras like without CAAX 2 Homo sapiens 111-114 10637774-1 1999 The exchange of free guanine nucleotides with guanine nucleotides bound to elongation factor 2 (EF-2) and to the EF-2-ribosome complex, and the effect of ADP-ribosylation of the EF-2 thereon, were investigated by nitrocellulose filter assay. Guanine Nucleotides 46-65 eukaryotic translation elongation factor 2 Homo sapiens 75-94 10637774-1 1999 The exchange of free guanine nucleotides with guanine nucleotides bound to elongation factor 2 (EF-2) and to the EF-2-ribosome complex, and the effect of ADP-ribosylation of the EF-2 thereon, were investigated by nitrocellulose filter assay. Guanine Nucleotides 46-65 eukaryotic translation elongation factor 2 Homo sapiens 96-100 10637774-1 1999 The exchange of free guanine nucleotides with guanine nucleotides bound to elongation factor 2 (EF-2) and to the EF-2-ribosome complex, and the effect of ADP-ribosylation of the EF-2 thereon, were investigated by nitrocellulose filter assay. Guanine Nucleotides 46-65 eukaryotic translation elongation factor 2 Homo sapiens 113-117 10637774-1 1999 The exchange of free guanine nucleotides with guanine nucleotides bound to elongation factor 2 (EF-2) and to the EF-2-ribosome complex, and the effect of ADP-ribosylation of the EF-2 thereon, were investigated by nitrocellulose filter assay. Guanine Nucleotides 46-65 eukaryotic translation elongation factor 2 Homo sapiens 113-117 10637774-2 1999 Under the experimental conditions, stoichiometric amounts of guanine nucleotides were bound, in particular, to ternary complexes of EF-2 with biphasic kinetics. Guanine Nucleotides 61-80 eukaryotic translation elongation factor 2 Homo sapiens 132-136 10523665-2 1999 Here we show that Dbs, like its rat homolog Ost and the closely related Dbl, exhibited guanine nucleotide exchange activity for the Rho family members RhoA and Cdc42, but not Rac1, in vitro. Guanine Nucleotides 87-105 MCF.2 cell line derived transforming sequence Homo sapiens 72-75 10839623-2 1999 The X-ray crystal structure of the ras oncogene-encoded p21 protein bound to SOS, the guanine nucleotide exchange-promoting protein, has been determined. Guanine Nucleotides 86-104 H3 histone pseudogene 16 Homo sapiens 56-59 10839623-2 1999 The X-ray crystal structure of the ras oncogene-encoded p21 protein bound to SOS, the guanine nucleotide exchange-promoting protein, has been determined. Guanine Nucleotides 86-104 xylosyltransferase 2 Homo sapiens 77-80 10523665-2 1999 Here we show that Dbs, like its rat homolog Ost and the closely related Dbl, exhibited guanine nucleotide exchange activity for the Rho family members RhoA and Cdc42, but not Rac1, in vitro. Guanine Nucleotides 87-105 ras homolog family member A Rattus norvegicus 151-155 10523665-2 1999 Here we show that Dbs, like its rat homolog Ost and the closely related Dbl, exhibited guanine nucleotide exchange activity for the Rho family members RhoA and Cdc42, but not Rac1, in vitro. Guanine Nucleotides 87-105 cell division cycle 42 Rattus norvegicus 160-165 10496966-6 1999 Activation of m3-muscarinic receptors did mediate heterologous phosphorylation of beta(2)-adrenergic receptors in a GRK-independent fashion, via protein kinase C. Heterologous beta(2)-adrenergic receptor phosphorylation correlated with receptor desensitization as measured by a loss in guanine-nucleotide sensitive-high affinity agonist binding and reduction in maximal cAMP response. Guanine Nucleotides 286-304 beta-2 adrenergic receptor Cricetulus griseus 82-109 10598788-6 1999 Experiments were performed with the stable GTP-analogue guanylylimidodiphosphate (GppNHp) to establish guanine nucleotide sensitivity of agonist binding to sst1-5 receptors. Guanine Nucleotides 103-121 sushi, nidogen and EGF like domains 1 Homo sapiens 156-162 10598788-14 1999 Depending on the agonist radioligand used and the receptor studied, it would appear that binding can be essentially to a guanine nucleotide-sensitive state (e.g. sst2 or sst3), a guanine nucleotide-insensitive state (sst1 or sst4) or a mixture of both (sst5); in the latter case, each radioligand defining a more or less different rank order of affinity at the same receptor. Guanine Nucleotides 121-139 sushi, nidogen and EGF like domains 1 Homo sapiens 170-174 10514505-5 1999 Overexpression of C3G enhanced the Elk-1 activation synergistically with CrkL, while a C3G mutant lacking the guanine nucleotide exchange domain showed an inhibitory effect. Guanine Nucleotides 110-128 Rap guanine nucleotide exchange factor (GEF) 1 Mus musculus 87-90 10531036-1 1999 ARNO is a member of a family of guanine nucleotide exchange factors that activate small GTPases called ADP-ribosylation factors (ARFs) [1] [2] [3], which regulate vesicular trafficking and, in one case (ARF6), also regulate cortical actin structure [4]. Guanine Nucleotides 32-50 cytohesin 2 Homo sapiens 0-4 10531036-1 1999 ARNO is a member of a family of guanine nucleotide exchange factors that activate small GTPases called ADP-ribosylation factors (ARFs) [1] [2] [3], which regulate vesicular trafficking and, in one case (ARF6), also regulate cortical actin structure [4]. Guanine Nucleotides 32-50 ADP ribosylation factor 6 Homo sapiens 203-207 10514505-0 1999 CrkL mediates Ras-dependent activation of the Raf/ERK pathway through the guanine nucleotide exchange factor C3G in hematopoietic cells stimulated with erythropoietin or interleukin-3. Guanine Nucleotides 74-92 v-crk avian sarcoma virus CT10 oncogene homolog-like Mus musculus 0-4 10514505-0 1999 CrkL mediates Ras-dependent activation of the Raf/ERK pathway through the guanine nucleotide exchange factor C3G in hematopoietic cells stimulated with erythropoietin or interleukin-3. Guanine Nucleotides 74-92 zinc fingers and homeoboxes 2 Mus musculus 46-49 10514505-0 1999 CrkL mediates Ras-dependent activation of the Raf/ERK pathway through the guanine nucleotide exchange factor C3G in hematopoietic cells stimulated with erythropoietin or interleukin-3. Guanine Nucleotides 74-92 mitogen-activated protein kinase 1 Mus musculus 50-53 10514505-0 1999 CrkL mediates Ras-dependent activation of the Raf/ERK pathway through the guanine nucleotide exchange factor C3G in hematopoietic cells stimulated with erythropoietin or interleukin-3. Guanine Nucleotides 74-92 Rap guanine nucleotide exchange factor (GEF) 1 Mus musculus 109-112 10514505-0 1999 CrkL mediates Ras-dependent activation of the Raf/ERK pathway through the guanine nucleotide exchange factor C3G in hematopoietic cells stimulated with erythropoietin or interleukin-3. Guanine Nucleotides 74-92 erythropoietin Mus musculus 152-166 10514505-5 1999 Overexpression of C3G enhanced the Elk-1 activation synergistically with CrkL, while a C3G mutant lacking the guanine nucleotide exchange domain showed an inhibitory effect. Guanine Nucleotides 110-128 Rap guanine nucleotide exchange factor (GEF) 1 Mus musculus 18-21 10498616-7 1999 An S27N mutant of M-Ras, like the analogous H-Ras S17N mutant, was a dominant inhibitor of activation of the c-fos promoter by constitutively active Src Y527F, suggesting that M-Ras and p21 Ras shared guanine nucleotide exchange factors and are likely to be activated in parallel. Guanine Nucleotides 201-219 muscle RAS oncogene homolog Homo sapiens 18-23 10498616-7 1999 An S27N mutant of M-Ras, like the analogous H-Ras S17N mutant, was a dominant inhibitor of activation of the c-fos promoter by constitutively active Src Y527F, suggesting that M-Ras and p21 Ras shared guanine nucleotide exchange factors and are likely to be activated in parallel. Guanine Nucleotides 201-219 Fos proto-oncogene, AP-1 transcription factor subunit Homo sapiens 109-114 10498616-7 1999 An S27N mutant of M-Ras, like the analogous H-Ras S17N mutant, was a dominant inhibitor of activation of the c-fos promoter by constitutively active Src Y527F, suggesting that M-Ras and p21 Ras shared guanine nucleotide exchange factors and are likely to be activated in parallel. Guanine Nucleotides 201-219 SRC proto-oncogene, non-receptor tyrosine kinase Homo sapiens 149-152 10498616-7 1999 An S27N mutant of M-Ras, like the analogous H-Ras S17N mutant, was a dominant inhibitor of activation of the c-fos promoter by constitutively active Src Y527F, suggesting that M-Ras and p21 Ras shared guanine nucleotide exchange factors and are likely to be activated in parallel. Guanine Nucleotides 201-219 HRas proto-oncogene, GTPase Homo sapiens 186-193 10606204-4 1999 In addition, RGS12, RGS14 and LOCO are shown to contain single "LGN motifs" that are guanine nucleotide exchange factors specific for the alpha-subunit of G proteins. Guanine Nucleotides 85-103 regulator of G protein signaling 12 Homo sapiens 13-18 10606204-4 1999 In addition, RGS12, RGS14 and LOCO are shown to contain single "LGN motifs" that are guanine nucleotide exchange factors specific for the alpha-subunit of G proteins. Guanine Nucleotides 85-103 regulator of G protein signaling 14 Homo sapiens 20-25 10508224-3 1999 AC activity was determined by the conversion of substrate ATP into cyclic AMP under basal conditions and in the presence of guanine nucleotide or forskolin. Guanine Nucleotides 124-142 adenylate cyclase 1 Homo sapiens 0-2 10508224-5 1999 Our results indicate that endometrial AC was highly responsive to activation by both guanine nucleotide and forskolin and its rate of cyclic AMP production was highly pronounced. Guanine Nucleotides 85-103 adenylate cyclase 1 Homo sapiens 38-40 10493796-0 1999 A chimeric elongation factor containing the putative guanine nucleotide binding domain of archaeal EF-1 alpha and the M and C domains of eubacterial EF-Tu. Guanine Nucleotides 53-71 ribosomal protein S18-alanine N-acetyltransferase Saccharolobus solfataricus 99-109 10480888-8 1999 Two Rho-specific guanine nucleotide exchange factors (GEFs), oncogenic lbc and p115, increased the percentage of rounded cells 4-5-fold, and this was inhibited by C3. Guanine Nucleotides 17-35 Rho GTPase activating protein 4 Homo sapiens 79-83 10518933-4 1999 Arl3 features an unusually low affinity for guanine nucleotides, with a KD of 24 nM for GDP and 48 microM for GTP. Guanine Nucleotides 44-63 ADP ribosylation factor like GTPase 3 Homo sapiens 0-4 10499589-1 1999 The small guanine nucleotide (GTP)-binding protein Rac regulates mitogen-induced cytoskeletal changes and c-Jun amino-terminal kinase (JNK), and its activity is required for Ras-mediated cell transformation. Guanine Nucleotides 10-28 AKT serine/threonine kinase 1 Homo sapiens 51-54 10499589-1 1999 The small guanine nucleotide (GTP)-binding protein Rac regulates mitogen-induced cytoskeletal changes and c-Jun amino-terminal kinase (JNK), and its activity is required for Ras-mediated cell transformation. Guanine Nucleotides 10-28 Jun proto-oncogene, AP-1 transcription factor subunit Homo sapiens 106-111 10493878-2 1999 Specific binding of hGBP1 to guanine nucleotides has been established although only two classical GTP-binding motifs were found in its primary sequence. Guanine Nucleotides 29-48 guanylate binding protein 1 Homo sapiens 20-25 10493878-9 1999 The high guanine nucleotide dissociation rates measured by stopped-flow kinetics are responsible for the weak affinities to hGBP1 when compared to other GTPases like Ras or Galpha. Guanine Nucleotides 9-27 guanylate binding protein 1 Homo sapiens 124-129 10493878-9 1999 The high guanine nucleotide dissociation rates measured by stopped-flow kinetics are responsible for the weak affinities to hGBP1 when compared to other GTPases like Ras or Galpha. Guanine Nucleotides 9-27 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 173-179 10489445-1 1999 Like all Rho (Ras homology) GTPases, RhoA functions as a molecular switch in cell signaling, alternating between GTP- and GDP-bound states, with its biologically inactive GDP-bound form maintained as a cytosolic complex with RhoGDI (guanine nucleotide-exchange inhibitor). Guanine Nucleotides 233-251 ras homolog family member A Homo sapiens 37-41 10464238-4 1999 We found here that the fragment of frabin containing DHD and first PHD stimulated guanine nucleotide exchange of Cdc42Hs small G protein, but not that of RhoA or Rac1 small G protein. Guanine Nucleotides 82-100 cell division cycle 42 Homo sapiens 113-118 10524252-1 1999 ADP-ribosylation factor 4 (ARF4) is a member of a family of approximately 20 kDa guanine nucleotide-binding proteins that were initially identified by their ability to stimulate the ADP-ribosyltransferase activity of cholera toxin in vitro. Guanine Nucleotides 81-99 ADP ribosylation factor 4 Homo sapiens 0-25 10606183-7 1999 The ras gene family codes for a 21 kD protein (p21), which binds guanine nucleotides and possesses GTPase activity. Guanine Nucleotides 65-84 cyclin dependent kinase inhibitor 1A Homo sapiens 47-50 10524252-1 1999 ADP-ribosylation factor 4 (ARF4) is a member of a family of approximately 20 kDa guanine nucleotide-binding proteins that were initially identified by their ability to stimulate the ADP-ribosyltransferase activity of cholera toxin in vitro. Guanine Nucleotides 81-99 ADP ribosylation factor 4 Homo sapiens 27-31 10454558-0 1999 The yeast trimeric guanine nucleotide-binding protein alpha subunit, Gpa2p, controls the meiosis-specific kinase Ime2p activity in response to nutrients. Guanine Nucleotides 19-37 guanine nucleotide-binding protein subunit alpha Saccharomyces cerevisiae S288C 69-74 10454558-0 1999 The yeast trimeric guanine nucleotide-binding protein alpha subunit, Gpa2p, controls the meiosis-specific kinase Ime2p activity in response to nutrients. Guanine Nucleotides 19-37 protein kinase IME2 Saccharomyces cerevisiae S288C 113-118 10462476-6 1999 We conclude that (i) uracil nucleotides bind to transducin-alpha with lower affinity than the corresponding guanine nucleotides, (ii) phosphorothioate modification of uracil nucleotides increases their affinity for transducin, and (iii) uracil nucleotides induce conformational changes in G-proteins that are different from the conformational changes induced by guanine nucleotides. Guanine Nucleotides 362-381 G protein subunit alpha z Homo sapiens 48-64 10455104-1 1999 By screening for genes expressed differentially in pancreatic beta cells, we have isolated a cDNA encoding GRFbeta, a novel 178-amino acid protein whose N terminus is identical to that of GRF1, a calcium-dependent guanine nucleotide exchange factor, and whose C terminus is unrelated to known proteins. Guanine Nucleotides 214-232 Ras protein specific guanine nucleotide releasing factor 1 Homo sapiens 188-192 10486569-1 1999 Three groups of Rap1-specific guanine nucleotide exchange factors including C3G, CalDAG-GEFI, and Epac/cAMP-GEFI/II have been identified to date. Guanine Nucleotides 30-48 RAP1A, member of RAS oncogene family Homo sapiens 16-20 10459008-5 1999 Furthermore, the interaction between SRbeta and the ribosome leads to a reduction in the affinity of SRbeta for guanine nucleotides. Guanine Nucleotides 112-131 chaperonin containing TCP1 subunit 4 Homo sapiens 37-43 10459008-5 1999 Furthermore, the interaction between SRbeta and the ribosome leads to a reduction in the affinity of SRbeta for guanine nucleotides. Guanine Nucleotides 112-131 chaperonin containing TCP1 subunit 4 Homo sapiens 101-107 10471274-9 1999 In the presence of nucleotide, the ternary complex of Ran.nucleotide.RCC1, an intermediate in the guanine nucleotide exchange reaction, could be observed. Guanine Nucleotides 98-116 RAN, member RAS oncogene family Homo sapiens 54-57 10471274-9 1999 In the presence of nucleotide, the ternary complex of Ran.nucleotide.RCC1, an intermediate in the guanine nucleotide exchange reaction, could be observed. Guanine Nucleotides 98-116 regulator of chromosome condensation 1 Homo sapiens 69-73 10486569-1 1999 Three groups of Rap1-specific guanine nucleotide exchange factors including C3G, CalDAG-GEFI, and Epac/cAMP-GEFI/II have been identified to date. Guanine Nucleotides 30-48 Rap guanine nucleotide exchange factor 1 Homo sapiens 76-79 10486569-1 1999 Three groups of Rap1-specific guanine nucleotide exchange factors including C3G, CalDAG-GEFI, and Epac/cAMP-GEFI/II have been identified to date. Guanine Nucleotides 30-48 RAS guanyl releasing protein 2 Homo sapiens 81-92 10486569-1 1999 Three groups of Rap1-specific guanine nucleotide exchange factors including C3G, CalDAG-GEFI, and Epac/cAMP-GEFI/II have been identified to date. Guanine Nucleotides 30-48 Rap guanine nucleotide exchange factor 3 Homo sapiens 98-102 10486569-1 1999 Three groups of Rap1-specific guanine nucleotide exchange factors including C3G, CalDAG-GEFI, and Epac/cAMP-GEFI/II have been identified to date. Guanine Nucleotides 30-48 Rap guanine nucleotide exchange factor 3 Homo sapiens 103-115 10494859-0 1999 Direct interaction between the ARF-specific guanine nucleotide exchange factor msec7-1 and presynaptic Munc13-1. Guanine Nucleotides 44-62 cytohesin 1 S homeolog Xenopus laevis 79-86 10438546-2 1999 Members of the Dbl family have been shown to function as physiological activators (guanine nucleotide exchange factors) of the Rho-like small GTPases. Guanine Nucleotides 83-101 mcf.2 transforming sequence Mus musculus 15-18 10430582-10 1999 Biochemical assays demonstrate that, although the homology between the members of the Sec7-domain family is relatively low (20-35%) and limited to a small domain, they all can act as guanine nucleotide exchange factors (GEFs) for Arf proteins, but not for Ypt GTPases. Guanine Nucleotides 183-201 Arf family guanine nucleotide exchange factor SEC7 Saccharomyces cerevisiae S288C 86-90 10494859-0 1999 Direct interaction between the ARF-specific guanine nucleotide exchange factor msec7-1 and presynaptic Munc13-1. Guanine Nucleotides 44-62 unc-13 homolog A Homo sapiens 103-111 10402461-4 1999 Hexahistidine-tagged-GBF1 exhibited BFA-resistant guanine nucleotide exchange activity that appears specific towards ARF5 at physiological Mg2+concentration. Guanine Nucleotides 50-68 Golgi-specific brefeldin A-resistance guanine nucleotide exchange factor 1 Cricetulus griseus 21-25 10395673-1 1999 This study investigates whether the guanine nucleotide exchange activity of Vav is linked to cytokine production in mast cells. Guanine Nucleotides 36-54 vav guanine nucleotide exchange factor 1 Rattus norvegicus 76-79 10409717-1 1999 Translation elongation factor 1beta (EF-1beta) is a member of the family of guanine nucleotide exchange factors, proteins whose activities are important for the regulation of G proteins critical to many cellular processes. Guanine Nucleotides 76-94 eukaryotic translation elongation factor 1 beta 2 Homo sapiens 37-45 10409717-5 1999 Human EF-1beta, but not human EF-1delta, is functional in place of yeast EF-1beta, even though both EF-1beta and EF-1delta have previously been shown to have guanine nucleotide exchange activity in vitro. Guanine Nucleotides 158-176 eukaryotic translation elongation factor 1 beta 2 Homo sapiens 6-14 10409717-5 1999 Human EF-1beta, but not human EF-1delta, is functional in place of yeast EF-1beta, even though both EF-1beta and EF-1delta have previously been shown to have guanine nucleotide exchange activity in vitro. Guanine Nucleotides 158-176 eukaryotic translation elongation factor 1 delta Homo sapiens 113-122 10413511-3 1999 To evaluate the functional role of these residues, site-directed GRP-R mutants were expressed in fibroblasts and assayed for their ability to both bind agonist and catalyze exchange of guanine nucleotides. Guanine Nucleotides 185-204 gastrin releasing peptide receptor Homo sapiens 65-70 10402461-4 1999 Hexahistidine-tagged-GBF1 exhibited BFA-resistant guanine nucleotide exchange activity that appears specific towards ARF5 at physiological Mg2+concentration. Guanine Nucleotides 50-68 ADP-ribosylation factor 5 Cricetulus griseus 117-121 10393931-2 1999 Here, we investigated the cellular localization and BFA sensitivity of human p200 ARF-GEP1 (p200), a ubiquitously expressed guanine nucleotide exchange factor of the Sec7 domain family. Guanine Nucleotides 124-142 ADP ribosylation factor guanine nucleotide exchange factor 1 Homo sapiens 77-81 10393931-2 1999 Here, we investigated the cellular localization and BFA sensitivity of human p200 ARF-GEP1 (p200), a ubiquitously expressed guanine nucleotide exchange factor of the Sec7 domain family. Guanine Nucleotides 124-142 ADP ribosylation factor guanine nucleotide exchange factor 1 Homo sapiens 92-96 10385615-2 1999 Sec7, first identified in vesicular trafficking mutants in yeast, and its phylogenetic homologues function as guanine-nucleotide exchange factors for small G-proteins such as ARF (ADP-ribosylation factor). Guanine Nucleotides 110-128 Arf family guanine nucleotide exchange factor SEC7 Saccharomyces cerevisiae S288C 0-4 10395923-0 1999 Effects of domain exchanges between Escherichia coli and mammalian mitochondrial EF-Tu on interactions with guanine nucleotides, aminoacyl-tRNA and ribosomes. Guanine Nucleotides 108-127 Tu translation elongation factor, mitochondrial Homo sapiens 81-86 10395923-1 1999 Escherichia coli elongation factor (EF-Tu) and the corresponding mammalian mitochondrial factor, EF-Tumt, show distinct differences in their affinities for guanine nucleotides and in their interactions with elongation factor Ts (EF-Ts) and mitochondrial tRNAs. Guanine Nucleotides 156-175 Tu translation elongation factor, mitochondrial Homo sapiens 36-41 10395923-1 1999 Escherichia coli elongation factor (EF-Tu) and the corresponding mammalian mitochondrial factor, EF-Tumt, show distinct differences in their affinities for guanine nucleotides and in their interactions with elongation factor Ts (EF-Ts) and mitochondrial tRNAs. Guanine Nucleotides 156-175 Tu translation elongation factor, mitochondrial Homo sapiens 97-104 10403517-0 1999 Kinetic control of guanine nucleotide binding to soluble Galpha(q). Guanine Nucleotides 19-37 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 57-63 10403517-2 1999 Detergent-solubilized Galpha(q) displays unusual guanine nucleotide binding properties in comparison with other G protein alpha subunits. Guanine Nucleotides 49-67 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 22-28 10403517-9 1999 These findings reconcile the slowly reversible binding of GTPgammaS to Galpha(q) with the other behaviors that suggested lower affinity, and point out that events subsequent to GDP dissociation can markedly influence the rates and extents of guanine nucleotide binding to G protein alpha subunits. Guanine Nucleotides 242-260 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 71-77 10364228-3 1999 Here we report the identification of a novel guanine nucleotide exchange factor for Rac1, STEF, which is related in overall amino acid sequence and modular structure to mouse Tiam1 and Drosophila SIF proteins. Guanine Nucleotides 45-63 T cell lymphoma invasion and metastasis 2 Mus musculus 90-94 10364228-3 1999 Here we report the identification of a novel guanine nucleotide exchange factor for Rac1, STEF, which is related in overall amino acid sequence and modular structure to mouse Tiam1 and Drosophila SIF proteins. Guanine Nucleotides 45-63 Rac family small GTPase 1 Mus musculus 84-88 10364219-1 1999 The Ral effector protein RLIP76 (also called RIP/RalBP1) binds to Ral.GTP via a region that shares no sequence homology with the Ras-binding domains of the Ser/Thr kinase c-Raf-1 and the Ral-specific guanine nucleotide exchange factors. Guanine Nucleotides 200-218 RAS like proto-oncogene A Homo sapiens 4-7 10364219-1 1999 The Ral effector protein RLIP76 (also called RIP/RalBP1) binds to Ral.GTP via a region that shares no sequence homology with the Ras-binding domains of the Ser/Thr kinase c-Raf-1 and the Ral-specific guanine nucleotide exchange factors. Guanine Nucleotides 200-218 ralA binding protein 1 Homo sapiens 25-31 10364228-3 1999 Here we report the identification of a novel guanine nucleotide exchange factor for Rac1, STEF, which is related in overall amino acid sequence and modular structure to mouse Tiam1 and Drosophila SIF proteins. Guanine Nucleotides 45-63 T cell lymphoma invasion and metastasis 1 Mus musculus 175-180 10364219-1 1999 The Ral effector protein RLIP76 (also called RIP/RalBP1) binds to Ral.GTP via a region that shares no sequence homology with the Ras-binding domains of the Ser/Thr kinase c-Raf-1 and the Ral-specific guanine nucleotide exchange factors. Guanine Nucleotides 200-218 ralA binding protein 1 Homo sapiens 49-55 10364219-1 1999 The Ral effector protein RLIP76 (also called RIP/RalBP1) binds to Ral.GTP via a region that shares no sequence homology with the Ras-binding domains of the Ser/Thr kinase c-Raf-1 and the Ral-specific guanine nucleotide exchange factors. Guanine Nucleotides 200-218 RAS like proto-oncogene A Homo sapiens 49-52 10364219-1 1999 The Ral effector protein RLIP76 (also called RIP/RalBP1) binds to Ral.GTP via a region that shares no sequence homology with the Ras-binding domains of the Ser/Thr kinase c-Raf-1 and the Ral-specific guanine nucleotide exchange factors. Guanine Nucleotides 200-218 RAS like proto-oncogene A Homo sapiens 49-52 10336523-0 1999 Measurement of agonist and antagonist ligand-binding parameters at the human parathyroid hormone type 1 receptor: evaluation of receptor states and modulation by guanine nucleotide. Guanine Nucleotides 162-180 parathyroid hormone Homo sapiens 77-96 10362652-16 1999 Together these data suggest that, in the gastric parietal cells, carbachol activates the ERKs through Ras- and betagamma-dependent mechanisms that require guanine nucleotide exchange factors other than Sos. Guanine Nucleotides 155-173 mitogen-activated protein kinase 1 Canis lupus familiaris 89-93 10339478-8 1999 Furthermore, overexpression of C3G also increased the adhesion of hematopoietic cells to fibronectin, whereas a C3G mutant lacking the guanine nucleotide exchange domain abrogated the CrkL-induced increase in cell adhesion. Guanine Nucleotides 135-153 Rap guanine nucleotide exchange factor (GEF) 1 Mus musculus 112-115 10339478-8 1999 Furthermore, overexpression of C3G also increased the adhesion of hematopoietic cells to fibronectin, whereas a C3G mutant lacking the guanine nucleotide exchange domain abrogated the CrkL-induced increase in cell adhesion. Guanine Nucleotides 135-153 v-crk avian sarcoma virus CT10 oncogene homolog-like Mus musculus 184-188 10339478-10 1999 Taken together, these results indicate that the CrkL-C3G complex activates VLA-4 and VLA-5 in hematopoietic cells, possibly by activating the small GTP binding proteins, including R-Ras, through the guanine nucleotide exchange activity of C3G. Guanine Nucleotides 199-217 v-crk avian sarcoma virus CT10 oncogene homolog-like Mus musculus 48-52 10339478-10 1999 Taken together, these results indicate that the CrkL-C3G complex activates VLA-4 and VLA-5 in hematopoietic cells, possibly by activating the small GTP binding proteins, including R-Ras, through the guanine nucleotide exchange activity of C3G. Guanine Nucleotides 199-217 Rap guanine nucleotide exchange factor (GEF) 1 Mus musculus 53-56 10339478-10 1999 Taken together, these results indicate that the CrkL-C3G complex activates VLA-4 and VLA-5 in hematopoietic cells, possibly by activating the small GTP binding proteins, including R-Ras, through the guanine nucleotide exchange activity of C3G. Guanine Nucleotides 199-217 integrin alpha 5 (fibronectin receptor alpha) Mus musculus 85-90 10339478-10 1999 Taken together, these results indicate that the CrkL-C3G complex activates VLA-4 and VLA-5 in hematopoietic cells, possibly by activating the small GTP binding proteins, including R-Ras, through the guanine nucleotide exchange activity of C3G. Guanine Nucleotides 199-217 Rap guanine nucleotide exchange factor (GEF) 1 Mus musculus 239-242 10341214-2 1999 Cytohesin-1 is a member of a family of ARF guanine nucleotide-exchange factors that contain a C-terminal pleckstrin homology (PH) domain which has been proposed to bind the lipid second messenger phosphatidylinositol 3,4,5-trisphosphate (PIP3). Guanine Nucleotides 43-61 cytohesin 1 Rattus norvegicus 0-11 10348906-0 1999 Characterization of recombinant mouse epidermal-type transglutaminase (TGase 3): regulation of its activity by proteolysis and guanine nucleotides. Guanine Nucleotides 127-146 transglutaminase 3, E polypeptide Mus musculus 71-78 10322431-0 1999 Author correction: triple association of CDC25-, dbl- and Sec7-related domains in mammalian guanine nucleotide exchange factors Guanine Nucleotides 92-110 cell division cycle 25C Homo sapiens 41-46 10318809-2 1999 G protein-coupled receptors (GPCRs) initiate Ras-dependent activation of the Erk 1/2 mitogen-activated protein kinase cascade by stimulating recruitment of Ras guanine nucleotide exchange factors to the plasma membrane. Guanine Nucleotides 160-178 mitogen activated protein kinase 1 Rattus norvegicus 77-84 10329739-8 1999 We tested the ability of Vps9p to stimulate the intrinsic guanine nucleotide exchange activity of Rab5, which is a mammalian sequence homologue of Vps21p, and Ypt7p, which is another yeast Rab protein involved in vacuolar protein transport. Guanine Nucleotides 58-76 guanine nucleotide exchange factor VPS9 Saccharomyces cerevisiae S288C 25-30 10329739-8 1999 We tested the ability of Vps9p to stimulate the intrinsic guanine nucleotide exchange activity of Rab5, which is a mammalian sequence homologue of Vps21p, and Ypt7p, which is another yeast Rab protein involved in vacuolar protein transport. Guanine Nucleotides 58-76 RAB5A, member RAS oncogene family Homo sapiens 98-102 10322113-3 1999 Ran also interacts with a guanine nucleotide dissociation inhibitor, RanBP1. Guanine Nucleotides 26-44 ran GTP-binding protein Xenopus laevis 0-3 10322113-3 1999 Ran also interacts with a guanine nucleotide dissociation inhibitor, RanBP1. Guanine Nucleotides 26-44 RAN binding protein 1 S homeolog Xenopus laevis 69-75 10370056-1 1999 The involvement of guanine nucleotide-binding proteins (G proteins) in the activation of cardiac adenosine 3",5"-cyclic monophosphate (cAMP)-dependent cystic fibrosis transmembrane conductance regulator (CFTR) Cl- current (ICl) by the tyrosine kinase inhibitor genistein (GST) was investigated in guinea-pig ventricular myocytes. Guanine Nucleotides 19-37 cystic fibrosis transmembrane conductance regulator Cavia porcellus 151-202 10370056-1 1999 The involvement of guanine nucleotide-binding proteins (G proteins) in the activation of cardiac adenosine 3",5"-cyclic monophosphate (cAMP)-dependent cystic fibrosis transmembrane conductance regulator (CFTR) Cl- current (ICl) by the tyrosine kinase inhibitor genistein (GST) was investigated in guinea-pig ventricular myocytes. Guanine Nucleotides 19-37 cystic fibrosis transmembrane conductance regulator Cavia porcellus 204-208 10092663-2 1999 In a yeast two-hybrid screen designed to identify proteins interacting with ARP, we isolated a partial cDNA of the ARF-specific guanine nucleotide exchange factor mSec7-1/cytohesin encoding its N terminus and most of the Sec7 domain (codons 1-200). Guanine Nucleotides 128-146 ADP ribosylation factor related protein 1 Homo sapiens 76-79 10220378-0 1999 G protein beta gamma subunit-dependent Rac-guanine nucleotide exchange activity of Ras-GRF1/CDC25(Mm). Guanine Nucleotides 43-61 Ras protein specific guanine nucleotide releasing factor 1 Homo sapiens 83-91 10220378-0 1999 G protein beta gamma subunit-dependent Rac-guanine nucleotide exchange activity of Ras-GRF1/CDC25(Mm). Guanine Nucleotides 43-61 cell division cycle 25C Homo sapiens 92-97 10092629-4 1999 Competition binding experiments revealed a guanine nucleotide-sensitive serotonin high affinity state only for the 5-HT2C-INI receptor; the loss of high affinity agonist binding to the edited receptor demonstrates that RNA editing generates unique 5-HT2CRs that couple less efficiently to G proteins. Guanine Nucleotides 43-61 5-hydroxytryptamine receptor 2C Homo sapiens 115-121 10212218-2 1999 Conversion of inactive ARF-GDP to active ARF-GTP is catalyzed by guanine nucleotide exchange proteins such as cytohesin-1. Guanine Nucleotides 65-83 cytohesin 1 Homo sapiens 110-121 10212218-3 1999 Cytohesin-1 and its Sec7 domain (C-1Sec7) exhibit guanine nucleotide exchange protein activity with ARF1 but not ARF-like protein 1 (ARL1), which is 57% identical in amino acid sequence. Guanine Nucleotides 50-68 cytohesin 1 Homo sapiens 0-11 10212218-3 1999 Cytohesin-1 and its Sec7 domain (C-1Sec7) exhibit guanine nucleotide exchange protein activity with ARF1 but not ARF-like protein 1 (ARL1), which is 57% identical in amino acid sequence. Guanine Nucleotides 50-68 ADP ribosylation factor 1 Homo sapiens 100-104 10213614-1 1999 RalGDS is a guanine nucleotide dissociation stimulator for Ral, and one of its homologues is RGL (RalGDS-like). Guanine Nucleotides 12-30 ral guanine nucleotide dissociation stimulator Homo sapiens 0-6 10213614-1 1999 RalGDS is a guanine nucleotide dissociation stimulator for Ral, and one of its homologues is RGL (RalGDS-like). Guanine Nucleotides 12-30 RAS like proto-oncogene A Homo sapiens 0-3 10213614-1 1999 RalGDS is a guanine nucleotide dissociation stimulator for Ral, and one of its homologues is RGL (RalGDS-like). Guanine Nucleotides 12-30 ral guanine nucleotide dissociation stimulator like 1 Homo sapiens 93-96 10196191-1 1999 The inability of the S17N mutant of Rap1A to sequester the catalytic domain of the Rap guanine nucleotide exchange factor C3G (van den Berghe, N., Cool, R. H., Horn, G., and Wittinghofer, A. Guanine Nucleotides 87-105 Rap guanine nucleotide exchange factor (GEF) 1 Mus musculus 122-125 10196191-2 1999 (1997) Oncogene 15, 845-850) prompted us to study possible fundamental differences in the way Rap1 interacts with C3G compared with the interaction of Ras with the catalytic domain of the mouse Ras guanine nucleotide exchange factor Cdc25(Mm). Guanine Nucleotides 198-216 cell division cycle 25C Mus musculus 233-238 10196191-3 1999 A variety of mutants in both Ras and Rap1A were designed, and both the C3G and Cdc25(Mm) catalyzed release of guanine nucleotide from these mutants was studied. Guanine Nucleotides 110-128 Rap guanine nucleotide exchange factor (GEF) 1 Mus musculus 71-74 10196191-3 1999 A variety of mutants in both Ras and Rap1A were designed, and both the C3G and Cdc25(Mm) catalyzed release of guanine nucleotide from these mutants was studied. Guanine Nucleotides 110-128 cell division cycle 25C Mus musculus 79-84 10092663-2 1999 In a yeast two-hybrid screen designed to identify proteins interacting with ARP, we isolated a partial cDNA of the ARF-specific guanine nucleotide exchange factor mSec7-1/cytohesin encoding its N terminus and most of the Sec7 domain (codons 1-200). Guanine Nucleotides 128-146 cytohesin 1 Mus musculus 163-170 10208427-0 1999 Isoform-specific insertion near the Grb2-binding domain modulates the intrinsic guanine nucleotide exchange activity of hSos1. Guanine Nucleotides 80-98 growth factor receptor bound protein 2 Homo sapiens 36-40 10199825-4 1999 Nonhydrolyzable guanine nucleotides and AlMgF protected Galpha13 from degradation by trypsin. Guanine Nucleotides 16-35 G protein subunit alpha 13 Homo sapiens 56-64 10087060-6 1999 Estrogen produces a rapid, transient activation of src-family tyrosine kinases and tyrosine phosphorylation of p21(ras)-guanine nucleotide activating protein. Guanine Nucleotides 120-138 H3 histone pseudogene 16 Homo sapiens 111-114 10077583-4 1999 All known ARF guanine nucleotide-exchange proteins contain a Sec7 domain of approximately 200 amino acids that includes the active site and fall into two classes that differ in molecular size and susceptibility to inhibition by the fungal metabolite brefeldin A (BFA). Guanine Nucleotides 14-32 cytohesin 1 Homo sapiens 61-65 10075920-2 1999 EFA6 promotes efficient guanine nucleotide exchange on ARF6 and is distinct from the ARNO family of ARF1 exchange factors. Guanine Nucleotides 24-42 pleckstrin and Sec7 domain containing Homo sapiens 0-4 10075920-2 1999 EFA6 promotes efficient guanine nucleotide exchange on ARF6 and is distinct from the ARNO family of ARF1 exchange factors. Guanine Nucleotides 24-42 ADP ribosylation factor 6 Homo sapiens 55-59 10208427-0 1999 Isoform-specific insertion near the Grb2-binding domain modulates the intrinsic guanine nucleotide exchange activity of hSos1. Guanine Nucleotides 80-98 SOS Ras/Rac guanine nucleotide exchange factor 1 Homo sapiens 120-125 10208427-8 1999 Our results suggest that the increased biological potency displayed by hSos1-Isf II is due to higher intrinsic guanine nucleotide exchange activity conferred upon this isoform by the 15 a.a. insertion located in proximity to its Grb2 binding region. Guanine Nucleotides 111-129 SOS Ras/Rac guanine nucleotide exchange factor 1 Homo sapiens 71-76 10208427-8 1999 Our results suggest that the increased biological potency displayed by hSos1-Isf II is due to higher intrinsic guanine nucleotide exchange activity conferred upon this isoform by the 15 a.a. insertion located in proximity to its Grb2 binding region. Guanine Nucleotides 111-129 growth factor receptor bound protein 2 Homo sapiens 229-233 10049745-1 1999 We demonstrate that stimulation of primary cultures of endothelial cells with vascular endothelial cell growth factor (VEGF) results in a rapid increase in labeled guanine nucleotide bound to p21ras. Guanine Nucleotides 164-182 vascular endothelial growth factor A Homo sapiens 119-123 10355488-0 1999 Effects of guanine nucleotides on adenosine and glutamate modulation of cAMP levels in optic tectum slices from chicks. Guanine Nucleotides 11-30 cathelicidin antimicrobial peptide Homo sapiens 72-76 10355488-4 1999 In the present study we investigated the interaction of GN with these two neurotransmitters and found that GN inhibit the inhibitory effect of glutamate on adenosine-induced cAMP accumulation and potentiate adenosine-induced cAMP accumulation. Guanine Nucleotides 107-109 cathelicidin antimicrobial peptide Homo sapiens 174-178 10355488-4 1999 In the present study we investigated the interaction of GN with these two neurotransmitters and found that GN inhibit the inhibitory effect of glutamate on adenosine-induced cAMP accumulation and potentiate adenosine-induced cAMP accumulation. Guanine Nucleotides 107-109 cathelicidin antimicrobial peptide Homo sapiens 225-229 10349744-6 1999 On the other hand binding by eIF4E of unmethylated guanine nucleotides and N2,N2,7-trimethylguanine containing nucleotides differ substantially from the way of binding of the regular mRNA-cap. Guanine Nucleotides 51-70 eukaryotic translation initiation factor 4E Homo sapiens 29-34 9988688-2 1999 The beta, gamma, and delta subunits, that contribute the guanine nucleotide exchange activity of EF-1H, are tightly associated with the NH2-terminal polypeptide extension of valyl-tRNA synthetase. Guanine Nucleotides 57-75 valyl-tRNA synthetase 1 Homo sapiens 174-195 10331637-2 1999 These proteins have been identified as the glycolytic enzyme glyceraldehyde-3-phosphate dehydrogenase (GAPDH) and a novel guanine nucleotide binding protein (BARS-50), respectively. Guanine Nucleotides 122-140 glyceraldehyde-3-phosphate dehydrogenase Rattus norvegicus 103-108 10331637-2 1999 These proteins have been identified as the glycolytic enzyme glyceraldehyde-3-phosphate dehydrogenase (GAPDH) and a novel guanine nucleotide binding protein (BARS-50), respectively. Guanine Nucleotides 122-140 C-terminal binding protein 1 Rattus norvegicus 158-165 9988712-1 1999 Many receptors that couple to heterotrimeric guanine nucleotide-binding (G) proteins mediate rapid activation of the mitogen-activated protein kinases, Erk1 and Erk2. Guanine Nucleotides 45-63 mitogen-activated protein kinase 3 Homo sapiens 152-156 9988712-1 1999 Many receptors that couple to heterotrimeric guanine nucleotide-binding (G) proteins mediate rapid activation of the mitogen-activated protein kinases, Erk1 and Erk2. Guanine Nucleotides 45-63 mitogen-activated protein kinase 1 Homo sapiens 161-165 10022833-6 1999 In order to define the mechanism by which Socs1-mediated suppression of Kit-dependent mitogenesis occurs, we demonstrate that Socs1 binds to the signalling proteins Grb-2 and the Rho-family guanine nucleotide exchange factors Vav. Guanine Nucleotides 190-208 suppressor of cytokine signaling 1 Homo sapiens 42-47 10022833-6 1999 In order to define the mechanism by which Socs1-mediated suppression of Kit-dependent mitogenesis occurs, we demonstrate that Socs1 binds to the signalling proteins Grb-2 and the Rho-family guanine nucleotide exchange factors Vav. Guanine Nucleotides 190-208 KIT proto-oncogene, receptor tyrosine kinase Homo sapiens 72-75 10022833-6 1999 In order to define the mechanism by which Socs1-mediated suppression of Kit-dependent mitogenesis occurs, we demonstrate that Socs1 binds to the signalling proteins Grb-2 and the Rho-family guanine nucleotide exchange factors Vav. Guanine Nucleotides 190-208 suppressor of cytokine signaling 1 Homo sapiens 126-131 10022833-6 1999 In order to define the mechanism by which Socs1-mediated suppression of Kit-dependent mitogenesis occurs, we demonstrate that Socs1 binds to the signalling proteins Grb-2 and the Rho-family guanine nucleotide exchange factors Vav. Guanine Nucleotides 190-208 vav guanine nucleotide exchange factor 1 Homo sapiens 226-229 10049745-1 1999 We demonstrate that stimulation of primary cultures of endothelial cells with vascular endothelial cell growth factor (VEGF) results in a rapid increase in labeled guanine nucleotide bound to p21ras. Guanine Nucleotides 164-182 HRas proto-oncogene, GTPase Homo sapiens 192-198 9933584-5 1999 The cell line tsBN2 contains a temperature-sensitive point mutation in the RCC1 gene, which encodes a guanine nucleotide exchange factor of Ran. Guanine Nucleotides 102-120 regulator of chromosome condensation 1 Homo sapiens 75-79 10368288-0 1999 The solution structure of the guanine nucleotide exchange domain of human elongation factor 1beta reveals a striking resemblance to that of EF-Ts from Escherichia coli. Guanine Nucleotides 30-48 eukaryotic translation elongation factor 1 beta 2 Homo sapiens 74-97 10368288-0 1999 The solution structure of the guanine nucleotide exchange domain of human elongation factor 1beta reveals a striking resemblance to that of EF-Ts from Escherichia coli. Guanine Nucleotides 30-48 Ts translation elongation factor, mitochondrial Homo sapiens 140-145 10368288-11 1999 CONCLUSIONS: On the basis of both the structural homology between EF-Ts and hEF-1beta[135-224] and the sequence conservation analysis, we propose that the mechanism of guanine-nucleotide exchange in protein synthesis has been conserved in prokaryotes and eukaryotes. Guanine Nucleotides 168-186 Ts translation elongation factor, mitochondrial Homo sapiens 66-71 10368288-11 1999 CONCLUSIONS: On the basis of both the structural homology between EF-Ts and hEF-1beta[135-224] and the sequence conservation analysis, we propose that the mechanism of guanine-nucleotide exchange in protein synthesis has been conserved in prokaryotes and eukaryotes. Guanine Nucleotides 168-186 eukaryotic translation elongation factor 1 beta 2 Homo sapiens 76-85 10021386-6 1999 Y-27632 blocked focus formation by RhoA and its guanine-nucleotide exchange factors Dbl and mNET1. Guanine Nucleotides 48-66 mcf.2 transforming sequence Mus musculus 84-87 9933584-5 1999 The cell line tsBN2 contains a temperature-sensitive point mutation in the RCC1 gene, which encodes a guanine nucleotide exchange factor of Ran. Guanine Nucleotides 102-120 RAN, member RAS oncogene family Homo sapiens 140-143 9920934-2 1999 Sec12p is the guanine nucleotide exchange factor of Sar1 GTPase and functions at the very upstream in the vesicle budding reactions from the endoplasmic reticulum (ER). Guanine Nucleotides 14-32 Sar family guanine nucleotide exchange factor SEC12 Saccharomyces cerevisiae S288C 0-6 10021386-6 1999 Y-27632 blocked focus formation by RhoA and its guanine-nucleotide exchange factors Dbl and mNET1. Guanine Nucleotides 48-66 neuroepithelial cell transforming gene 1 Mus musculus 92-97 10082673-3 1999 The wild-type and EP3-D318N receptors but not EP3-D318L receptor associated with Gi in guanine nucleotide- and pertussis toxin-sensitive manners. Guanine Nucleotides 87-105 prostaglandin E receptor 3 (subtype EP3) Mus musculus 18-21 9927699-3 1999 Because GDP release in vivo is rather slow, ARF activation is facilitated by specific guanine nucleotide exchange factors like cytohesin-1 or ARNO. Guanine Nucleotides 86-104 cytohesin 1 Rattus norvegicus 127-138 9927699-3 1999 Because GDP release in vivo is rather slow, ARF activation is facilitated by specific guanine nucleotide exchange factors like cytohesin-1 or ARNO. Guanine Nucleotides 86-104 cytohesin 2 Rattus norvegicus 142-146 9870920-2 1999 In view of the guanine-nucleotide dependency of mast cell exocytosis and the participation of Rab3 proteins in synaptic vesicle release, we hypothesized that a Rab3 isoform regulates mast cell secretion. Guanine Nucleotides 15-33 RAB3A, member RAS oncogene family Rattus norvegicus 160-164 10072355-3 1999 Ral guanine nucleotide exchange factors contribute to cellular transformation induced by oncogenic Ras through an Erk-independent mechanism which may involve activation of transcription. Guanine Nucleotides 4-22 RAS like proto-oncogene A Homo sapiens 0-3 10072355-3 1999 Ral guanine nucleotide exchange factors contribute to cellular transformation induced by oncogenic Ras through an Erk-independent mechanism which may involve activation of transcription. Guanine Nucleotides 4-22 mitogen-activated protein kinase 1 Homo sapiens 114-117 9890991-2 1999 Previously, we demonstrated that both Lfc and Lsc, like their closest relative Lbc, can act catalytically in stimulating the guanine nucleotide exchange activity of RhoA in vitro. Guanine Nucleotides 125-143 ras homolog family member A Mus musculus 165-169 10320937-3 1999 Subsequent studies showed that Tiam1 is a guanine nucleotide exchange factor for the Rho-like GTPase Rac1, a member of the Ras superfamily of small GTP-binding proteins. Guanine Nucleotides 42-60 TIAM Rac1 associated GEF 1 Homo sapiens 31-36 10872457-1 1999 Members of the Rho family of small Ras-like GTPases--including RhoA, -B, and -C, Rac1 and -2, and Cdc42--exhibit guanine nucleotide-binding activity and function as molecular switches, cycling between an inactive GDP-bound state and an active GTP-bound state. Guanine Nucleotides 113-131 Rac family small GTPase 1 Homo sapiens 35-92 10872457-1 1999 Members of the Rho family of small Ras-like GTPases--including RhoA, -B, and -C, Rac1 and -2, and Cdc42--exhibit guanine nucleotide-binding activity and function as molecular switches, cycling between an inactive GDP-bound state and an active GTP-bound state. Guanine Nucleotides 113-131 cell division cycle 42 Homo sapiens 98-103 9857026-5 1998 Biochemical analysis reveals that GEF-H1 is capable of stimulating guanine nucleotide exchange of Rac and Rho but is inactive toward Cdc42, TC10, or Ras. Guanine Nucleotides 67-85 Rho/Rac guanine nucleotide exchange factor 2 Homo sapiens 34-40 9890436-13 1999 Differential association of non-ran small molecular mass GTP-binding proteins and heterotrimeric G-proteins with neuronal nuclei suggests a potential role for these guanine nucleotide binding proteins in the function of this cell type. Guanine Nucleotides 165-183 RAN, member RAS oncogene family Rattus norvegicus 32-35 9892008-5 1999 Stimulation of both alpha1A- and alpha1B-receptors activated p21ras and stimulated guanine nucleotide exchange on Ras protein. Guanine Nucleotides 83-101 calcium channel, voltage-dependent, P/Q type, alpha 1A subunit Mus musculus 20-27 9856955-4 1998 These cAMP-regulated GEFs (cAMP-GEFs) bind cAMP and selectively activate the Ras superfamily guanine nucleotide binding protein Rap1A in a cAMP-dependent but PKA-independent manner. Guanine Nucleotides 93-111 RAP1A, member of RAS oncogene family Homo sapiens 128-133 9852039-10 1998 Last, guanine nucleotide exchange on Rab5a was elevated about 3-fold in the presence of cytosol from IFN-gamma-treated cells. Guanine Nucleotides 6-24 RAB5A, member RAS oncogene family Homo sapiens 37-42 9852039-10 1998 Last, guanine nucleotide exchange on Rab5a was elevated about 3-fold in the presence of cytosol from IFN-gamma-treated cells. Guanine Nucleotides 6-24 interferon gamma Homo sapiens 101-110 9856997-3 1998 This work studies the influence of the Ras effector c-Raf-1 on the action of guanine nucleotide exchange factors (GEFs) on Ha-Ras in vitro. Guanine Nucleotides 77-95 v-raf-leukemia viral oncogene 1 Mus musculus 52-59 9856997-3 1998 This work studies the influence of the Ras effector c-Raf-1 on the action of guanine nucleotide exchange factors (GEFs) on Ha-Ras in vitro. Guanine Nucleotides 77-95 Harvey rat sarcoma virus oncogene Mus musculus 123-129 9852136-4 1998 We have introduced a mutation (Ser36 --> Asn) into this domain of p190 that decreased its ability to bind guanine nucleotide when expressed as a hemagglutinin (HA)-tagged protein in COS cells. Guanine Nucleotides 109-127 contactin associated protein 1 Homo sapiens 69-73 9843686-4 1998 In this study, we show that mammalian p10/NTF2 dramatically inhibits the dissociation of [3H]GDP from Ran and the binding of [35S]GTPgammaS to Ran following the dissociation of non-radioactive GDP by RCC1, the only known mammalian guanine nucleotide exchange factor for Ran (Ran-GEF) [7]. Guanine Nucleotides 231-249 S100 calcium binding protein A10 Homo sapiens 38-41 9931431-1 1998 Mammalian Ras proteins associate with multiple effectors, including Raf, Ral guanine nucleotide dissociation stimulator, phosphoinositide 3-kinase and AF-6. Guanine Nucleotides 77-95 RAS like proto-oncogene A Homo sapiens 73-76 9843686-4 1998 In this study, we show that mammalian p10/NTF2 dramatically inhibits the dissociation of [3H]GDP from Ran and the binding of [35S]GTPgammaS to Ran following the dissociation of non-radioactive GDP by RCC1, the only known mammalian guanine nucleotide exchange factor for Ran (Ran-GEF) [7]. Guanine Nucleotides 231-249 nuclear transport factor 2 Homo sapiens 42-46 9843686-4 1998 In this study, we show that mammalian p10/NTF2 dramatically inhibits the dissociation of [3H]GDP from Ran and the binding of [35S]GTPgammaS to Ran following the dissociation of non-radioactive GDP by RCC1, the only known mammalian guanine nucleotide exchange factor for Ran (Ran-GEF) [7]. Guanine Nucleotides 231-249 RAN, member RAS oncogene family Homo sapiens 143-146 9843686-4 1998 In this study, we show that mammalian p10/NTF2 dramatically inhibits the dissociation of [3H]GDP from Ran and the binding of [35S]GTPgammaS to Ran following the dissociation of non-radioactive GDP by RCC1, the only known mammalian guanine nucleotide exchange factor for Ran (Ran-GEF) [7]. Guanine Nucleotides 231-249 regulator of chromosome condensation 1 Homo sapiens 200-204 9843686-4 1998 In this study, we show that mammalian p10/NTF2 dramatically inhibits the dissociation of [3H]GDP from Ran and the binding of [35S]GTPgammaS to Ran following the dissociation of non-radioactive GDP by RCC1, the only known mammalian guanine nucleotide exchange factor for Ran (Ran-GEF) [7]. Guanine Nucleotides 231-249 RAN, member RAS oncogene family Homo sapiens 143-146 9843686-4 1998 In this study, we show that mammalian p10/NTF2 dramatically inhibits the dissociation of [3H]GDP from Ran and the binding of [35S]GTPgammaS to Ran following the dissociation of non-radioactive GDP by RCC1, the only known mammalian guanine nucleotide exchange factor for Ran (Ran-GEF) [7]. Guanine Nucleotides 231-249 RAN, member RAS oncogene family Homo sapiens 143-146 9843686-4 1998 In this study, we show that mammalian p10/NTF2 dramatically inhibits the dissociation of [3H]GDP from Ran and the binding of [35S]GTPgammaS to Ran following the dissociation of non-radioactive GDP by RCC1, the only known mammalian guanine nucleotide exchange factor for Ran (Ran-GEF) [7]. Guanine Nucleotides 231-249 Rho/Rac guanine nucleotide exchange factor 2 Homo sapiens 279-282 9853756-3 1998 At least three different second messengers, namely diacylglycerol, calcium and cyclic AMP, are able to activate Rap1 by promoting its release of the guanine nucleotide GDP and its binding to GTP. Guanine Nucleotides 149-167 RAP1A, member of RAS oncogene family Homo sapiens 112-116 9832437-8 1998 As GRP1 acts as a guanine nucleotide exchange factor for ARF6 proteins, we propose a signaling pathway distinct from the small GTP-binding protein Rac, connecting PtdIns(3,4,5)P3 via GRP1 to ARF6, leading to insulin- and IGF-I-induced actin rearrangement. Guanine Nucleotides 18-36 cytohesin 3 Homo sapiens 3-7 9832437-8 1998 As GRP1 acts as a guanine nucleotide exchange factor for ARF6 proteins, we propose a signaling pathway distinct from the small GTP-binding protein Rac, connecting PtdIns(3,4,5)P3 via GRP1 to ARF6, leading to insulin- and IGF-I-induced actin rearrangement. Guanine Nucleotides 18-36 ADP ribosylation factor 6 Homo sapiens 57-61 9832437-8 1998 As GRP1 acts as a guanine nucleotide exchange factor for ARF6 proteins, we propose a signaling pathway distinct from the small GTP-binding protein Rac, connecting PtdIns(3,4,5)P3 via GRP1 to ARF6, leading to insulin- and IGF-I-induced actin rearrangement. Guanine Nucleotides 18-36 ADP ribosylation factor 6 Homo sapiens 191-195 9832437-8 1998 As GRP1 acts as a guanine nucleotide exchange factor for ARF6 proteins, we propose a signaling pathway distinct from the small GTP-binding protein Rac, connecting PtdIns(3,4,5)P3 via GRP1 to ARF6, leading to insulin- and IGF-I-induced actin rearrangement. Guanine Nucleotides 18-36 insulin Homo sapiens 208-215 9832437-8 1998 As GRP1 acts as a guanine nucleotide exchange factor for ARF6 proteins, we propose a signaling pathway distinct from the small GTP-binding protein Rac, connecting PtdIns(3,4,5)P3 via GRP1 to ARF6, leading to insulin- and IGF-I-induced actin rearrangement. Guanine Nucleotides 18-36 insulin like growth factor 1 Homo sapiens 221-226 9832629-11 1998 ARF1 contains only one cysteine residue (Cys-159), which is located near the base moiety of the bound guanine nucleotide. Guanine Nucleotides 102-120 ADP-ribosylation factor 1 Rattus norvegicus 0-4 9846881-1 1998 Guanine nucleotide exchange factors in the Dbl family activate Rho GTPases by accelerating dissociation of bound GDP, promoting acquisition of the GTP-bound state. Guanine Nucleotides 0-18 MCF.2 cell line derived transforming sequence Homo sapiens 43-46 9843482-4 1998 Between the three GTPase an intriguing interconnectivity exists, in that guanine nucleotide exchange factors for Ral associate with the GTP-bound form of both Ras and Rap1. Guanine Nucleotides 73-91 RAS like proto-oncogene A Homo sapiens 113-116 9843482-4 1998 Between the three GTPase an intriguing interconnectivity exists, in that guanine nucleotide exchange factors for Ral associate with the GTP-bound form of both Ras and Rap1. Guanine Nucleotides 73-91 RAP1A, member of RAS oncogene family Homo sapiens 167-171 9819430-4 1998 The Ras, Rac, Ran, Arf, and Rab/YPT1 families are activated by interaction with family-specific guanine nucleotide exchange factors (GEFs). Guanine Nucleotides 96-114 Rab family GTPase YPT1 Saccharomyces cerevisiae S288C 32-36 9813009-10 1998 We speculate that the physiological function of the marked increase in BAT GMP-r during cold stress may be to deplete the brown adipocyte of guanine nucleotides, converting them to IMP, thus permitting enhanced UCP-1 function. Guanine Nucleotides 141-160 guanosine monophosphate reductase Homo sapiens 75-80 10092207-5 1998 Upstream proteins include various receptors and large multisite docking proteins, while several protein kinases and guanine nucleotide release proteins (GNRPs) have been suggested to function downstream of c-Crk and CRKL. Guanine Nucleotides 116-134 cyclin dependent kinase 20 Homo sapiens 206-211 10092207-5 1998 Upstream proteins include various receptors and large multisite docking proteins, while several protein kinases and guanine nucleotide release proteins (GNRPs) have been suggested to function downstream of c-Crk and CRKL. Guanine Nucleotides 116-134 CRK like proto-oncogene, adaptor protein Homo sapiens 216-220 10094633-0 1998 Ssa1p chaperone interacts with the guanine nucleotide exchange factor of ras Cdc25p and controls the cAMP pathway in Saccharomyces cerevisiae. Guanine Nucleotides 35-53 Hsp70 family ATPase SSA1 Saccharomyces cerevisiae S288C 0-5 9813319-3 1998 The presence of three isozymes of adenylate kinase (AK1, AK2 and AK3) that maintains the homeostasis of adenine and guanine nucleotide composition has been reported in the vertebrate. Guanine Nucleotides 116-134 adenylate kinase 1 Rattus norvegicus 52-55 9813319-3 1998 The presence of three isozymes of adenylate kinase (AK1, AK2 and AK3) that maintains the homeostasis of adenine and guanine nucleotide composition has been reported in the vertebrate. Guanine Nucleotides 116-134 adenylate kinase 2 Rattus norvegicus 57-60 9813319-3 1998 The presence of three isozymes of adenylate kinase (AK1, AK2 and AK3) that maintains the homeostasis of adenine and guanine nucleotide composition has been reported in the vertebrate. Guanine Nucleotides 116-134 adenylate kinase 3 Rattus norvegicus 65-68 9799233-2 1998 We have identified the two components of the stimulatory heterodimer by amino acid sequencing as a Rho GTPase and the Rho guanine nucleotide dissociation inhibitor LyGDI. Guanine Nucleotides 122-140 Rho GDP dissociation inhibitor beta Homo sapiens 164-169 9794464-0 1998 Luteinizing hormone/choriogonadotropin receptor-mediated activation of heterotrimeric guanine nucleotide binding proteins in ovarian follicular membranes. Guanine Nucleotides 86-104 luteinizing hormone/choriogonadotropin receptor Homo sapiens 0-47 10094633-0 1998 Ssa1p chaperone interacts with the guanine nucleotide exchange factor of ras Cdc25p and controls the cAMP pathway in Saccharomyces cerevisiae. Guanine Nucleotides 35-53 Ras family guanine nucleotide exchange factor CDC25 Saccharomyces cerevisiae S288C 77-83 9789025-3 1998 When Galphaq, alpha12, or alpha13 were coexpressed with a Rho-specific guanine nucleotide exchange factor GEF115, Galpha13, but not Galphaq or Galpha12, showed synergistic activation of SRF with GEF115. Guanine Nucleotides 71-89 guanine nucleotide binding protein, alpha q polypeptide Mus musculus 5-12 9774433-4 1998 Mutation of several residues in EF-Tsmt corresponding to amino acids important for the activity of E. coli EF-Ts has little or no effect on the activity of the mitochondrial factor, suggesting that these factors may use somewhat different mechanisms to promote guanine nucleotide exchange. Guanine Nucleotides 261-279 Ts translation elongation factor, mitochondrial Bos taurus 32-39 9774433-4 1998 Mutation of several residues in EF-Tsmt corresponding to amino acids important for the activity of E. coli EF-Ts has little or no effect on the activity of the mitochondrial factor, suggesting that these factors may use somewhat different mechanisms to promote guanine nucleotide exchange. Guanine Nucleotides 261-279 Ts translation elongation factor, mitochondrial Bos taurus 32-37 9789025-3 1998 When Galphaq, alpha12, or alpha13 were coexpressed with a Rho-specific guanine nucleotide exchange factor GEF115, Galpha13, but not Galphaq or Galpha12, showed synergistic activation of SRF with GEF115. Guanine Nucleotides 71-89 guanine nucleotide binding protein, alpha 13 Mus musculus 114-122 9789025-3 1998 When Galphaq, alpha12, or alpha13 were coexpressed with a Rho-specific guanine nucleotide exchange factor GEF115, Galpha13, but not Galphaq or Galpha12, showed synergistic activation of SRF with GEF115. Guanine Nucleotides 71-89 serum response factor Mus musculus 186-189 9756891-0 1998 Guanine nucleotide exchange on ADP-ribosylation factors catalyzed by cytohesin-1 and its Sec7 domain. Guanine Nucleotides 0-18 cytohesin 1 Homo sapiens 69-80 9756891-5 1998 Cytohesin-1 accelerated GTPgammaS (guanosine 5"-3-O-(thio)triphosphate) binding to recombinant human ARF1 (rARF1), yeast ARF3, and ARD1 (a 64-kDa guanine nucleotide-binding protein containing a C-terminal ARF domain). Guanine Nucleotides 146-164 cytohesin 1 Homo sapiens 0-11 9756941-0 1998 Molecular role for the Rab binding platform of guanine nucleotide dissociation inhibitor in endoplasmic reticulum to Golgi transport. Guanine Nucleotides 47-65 RAB1A, member RAS oncogene family Homo sapiens 23-26 9756891-0 1998 Guanine nucleotide exchange on ADP-ribosylation factors catalyzed by cytohesin-1 and its Sec7 domain. Guanine Nucleotides 0-18 cytohesin 1 Homo sapiens 89-93 9760230-9 1998 The structures of NBR-A and NBR-B were determined by X-ray crystallography in the presence of guanine nucleotide(s). Guanine Nucleotides 94-112 nucleoside diphosphate kinase A 2 Bos taurus 18-23 9760230-9 1998 The structures of NBR-A and NBR-B were determined by X-ray crystallography in the presence of guanine nucleotide(s). Guanine Nucleotides 94-112 nucleoside diphosphate kinase A 2 Bos taurus 28-33 9794249-6 1998 The differential modulation of CB1 receptor-G-protein coupling by Na+ and guanine nucleotides is dependent upon the cannabimimetic agonist bound. Guanine Nucleotides 74-93 cannabinoid receptor 1 Rattus norvegicus 31-34 9777253-3 1998 We have studied the modulation of agonist binding to 5-HT1A receptors from bovine hippocampus by metal ions and guanine nucleotide. Guanine Nucleotides 112-130 5-hydroxytryptamine receptor 1A Bos taurus 53-59 9756629-0 1998 Activities of mutant Sar1 proteins in guanine nucleotide binding, GTP hydrolysis, and cell-free transport from the endoplasmic reticulum to the Golgi apparatus. Guanine Nucleotides 38-56 Arf family GTPase SAR1 Saccharomyces cerevisiae S288C 21-25 9685396-2 1998 We overexpressed wild-type, a GTPase defective (Q71L), and a guanine nucleotide binding defective (N125I) Rab6 protein in Drosophila photoreceptors to assess the in vivo role of Rab6 in the trafficking of rhodopsin and other proteins. Guanine Nucleotides 61-79 Rab6 Drosophila melanogaster 106-110 9796702-2 1998 Effector pathways for this guanine nucleotide binding protein in T cells are mediated by the serine/threonine kinase Raf-1 and the Ras-related GTPase Rac-1. Guanine Nucleotides 27-45 Raf-1 proto-oncogene, serine/threonine kinase Homo sapiens 117-122 9796702-2 1998 Effector pathways for this guanine nucleotide binding protein in T cells are mediated by the serine/threonine kinase Raf-1 and the Ras-related GTPase Rac-1. Guanine Nucleotides 27-45 AKT serine/threonine kinase 1 Homo sapiens 150-153 9716506-2 1998 At mild heat-shock temperatures the main cause for inhibition is the inactivation of the guanine nucleotide exchange factor eukaryotic initiation factor 2B (eIF2B); under more severe heat-shock conditions the activity of several initiation factors is compromised. Guanine Nucleotides 89-107 eukaryotic translation initiation factor 2B subunit delta Rattus norvegicus 124-155 9716506-2 1998 At mild heat-shock temperatures the main cause for inhibition is the inactivation of the guanine nucleotide exchange factor eukaryotic initiation factor 2B (eIF2B); under more severe heat-shock conditions the activity of several initiation factors is compromised. Guanine Nucleotides 89-107 eukaryotic translation initiation factor 2B subunit delta Rattus norvegicus 157-162 9653130-2 1998 Large Kir 3.1-dependent currents generated in response to the corresponding chemokines (SDF-1alpha for CXCR4 and MIP-1alpha; MIP-1beta and RANTES for CCR5) were blocked by pertussis toxin, suggesting involvement of inhibitory guanine nucleotide-binding proteins. Guanine Nucleotides 226-244 potassium inwardly rectifying channel subfamily J member 3 Homo sapiens 6-13 9877232-2 1998 Since guanine nucleotides play critical role(s) in GTP-binding protein (G-protein)-mediated signal transduction mechanisms in retina, we quantitated NDP kinase activity in subcellular fraction-derived from normal rat retina. Guanine Nucleotides 6-25 cytidine/uridine monophosphate kinase 1 Rattus norvegicus 149-159 9679139-4 1998 Association of AP-3 with membranes in vitro was enhanced by GTPgammaS and inhibited by brefeldin A (BFA), an inhibitor of ARF1 guanine nucleotide exchange. Guanine Nucleotides 127-145 ADP ribosylation factor 1 Homo sapiens 122-126 9671726-1 1998 ADP-ribosylation factor domain protein 1 (ARD1) is a member of the ADP ribosylation factor (ARF) family of guanine nucleotide-binding proteins that differs from other ARFs by the presence of a 46-kDa amino-terminal extension which acts as a GTPase-activating protein (GAP) for its ARF domain. Guanine Nucleotides 107-125 tripartite motif containing 23 Homo sapiens 0-40 9671726-1 1998 ADP-ribosylation factor domain protein 1 (ARD1) is a member of the ADP ribosylation factor (ARF) family of guanine nucleotide-binding proteins that differs from other ARFs by the presence of a 46-kDa amino-terminal extension which acts as a GTPase-activating protein (GAP) for its ARF domain. Guanine Nucleotides 107-125 tripartite motif containing 23 Homo sapiens 42-46 9653130-2 1998 Large Kir 3.1-dependent currents generated in response to the corresponding chemokines (SDF-1alpha for CXCR4 and MIP-1alpha; MIP-1beta and RANTES for CCR5) were blocked by pertussis toxin, suggesting involvement of inhibitory guanine nucleotide-binding proteins. Guanine Nucleotides 226-244 C-X-C motif chemokine receptor 4 Homo sapiens 103-108 9653130-2 1998 Large Kir 3.1-dependent currents generated in response to the corresponding chemokines (SDF-1alpha for CXCR4 and MIP-1alpha; MIP-1beta and RANTES for CCR5) were blocked by pertussis toxin, suggesting involvement of inhibitory guanine nucleotide-binding proteins. Guanine Nucleotides 226-244 C-C motif chemokine ligand 3 Homo sapiens 113-123 9653130-2 1998 Large Kir 3.1-dependent currents generated in response to the corresponding chemokines (SDF-1alpha for CXCR4 and MIP-1alpha; MIP-1beta and RANTES for CCR5) were blocked by pertussis toxin, suggesting involvement of inhibitory guanine nucleotide-binding proteins. Guanine Nucleotides 226-244 C-C motif chemokine ligand 4 Homo sapiens 125-134 9653130-2 1998 Large Kir 3.1-dependent currents generated in response to the corresponding chemokines (SDF-1alpha for CXCR4 and MIP-1alpha; MIP-1beta and RANTES for CCR5) were blocked by pertussis toxin, suggesting involvement of inhibitory guanine nucleotide-binding proteins. Guanine Nucleotides 226-244 C-C motif chemokine ligand 5 Homo sapiens 139-145 9653130-2 1998 Large Kir 3.1-dependent currents generated in response to the corresponding chemokines (SDF-1alpha for CXCR4 and MIP-1alpha; MIP-1beta and RANTES for CCR5) were blocked by pertussis toxin, suggesting involvement of inhibitory guanine nucleotide-binding proteins. Guanine Nucleotides 226-244 C-C motif chemokine receptor 5 Homo sapiens 150-154 9722985-5 1998 This mutation causes striking sequence similarity with the guanine nucleotide binding domain of c-H-ras. Guanine Nucleotides 59-77 HRas proto-oncogene, GTPase Homo sapiens 96-103 9642217-2 1998 Expression of a Cdc42 mutant (Cdc42(F28L)) that undergoes spontaneous activation (guanine nucleotide exchange) results in transformation of NIH3T3 fibroblasts. Guanine Nucleotides 82-100 cell division cycle 42 Homo sapiens 16-21 9642217-2 1998 Expression of a Cdc42 mutant (Cdc42(F28L)) that undergoes spontaneous activation (guanine nucleotide exchange) results in transformation of NIH3T3 fibroblasts. Guanine Nucleotides 82-100 cell division cycle 42 Homo sapiens 30-35 9649435-0 1998 A glutamic finger in the guanine nucleotide exchange factor ARNO displaces Mg2+ and the beta-phosphate to destabilize GDP on ARF1. Guanine Nucleotides 25-43 cytohesin 2 Homo sapiens 60-64 9649435-0 1998 A glutamic finger in the guanine nucleotide exchange factor ARNO displaces Mg2+ and the beta-phosphate to destabilize GDP on ARF1. Guanine Nucleotides 25-43 ADP ribosylation factor 1 Homo sapiens 125-129 9594015-8 1998 The inhibitory action of A-II may therefore involve AT1 receptors/PTX-sensitive, guanine nucleotide-binding (G) proteins (Gi)/adenylate cyclase and partially explains the A-II-dependent accentuated antagonism of inotropy. Guanine Nucleotides 81-99 type-1 angiotensin II receptor Cavia porcellus 52-55 9675071-0 1998 Expression, purification, and spectroscopic studies of the guanine nucleotide exchange domain of human elongation factor, EF-1beta. Guanine Nucleotides 59-77 eukaryotic translation elongation factor 1 beta 2 Homo sapiens 122-130 9675071-1 1998 Two guanine nucleotide exchange domains, corresponding to the C-terminal region of the human translational elongation factor EF-1beta (which consists of 225 amino acids), were produced by DNA recombinant overexpression techniques in Escherichia coli. Guanine Nucleotides 4-22 eukaryotic translation elongation factor 1 beta 2 Homo sapiens 125-133 9636052-1 1998 Invertebrate visual signal transduction is initiated by rhodopsin activation of a guanine nucleotide binding protein, Gq, which stimulates phospholipase C (PLC) activity. Guanine Nucleotides 82-100 rhodopsin Homo sapiens 56-65 9641916-0 1998 Direct stimulation of the guanine nucleotide exchange activity of p115 RhoGEF by Galpha13. Guanine Nucleotides 26-44 Rho guanine nucleotide exchange factor 1 Homo sapiens 66-77 9641916-0 1998 Direct stimulation of the guanine nucleotide exchange activity of p115 RhoGEF by Galpha13. Guanine Nucleotides 26-44 G protein subunit alpha 13 Homo sapiens 81-89 9699463-4 1998 After guanine nucleotide exchange, Mg2+ coordination is restored to complete the conformational switch to the active GTP-bound state. Guanine Nucleotides 6-24 mucin 7, secreted Homo sapiens 35-38 9624189-1 1998 ADP-ribosylation factors (ARFs), 20-kDa guanine nucleotide-binding proteins named for their ability to activate cholera toxin (CT) ADP-ribosyltransferase activity, have a critical role in vesicular transport and activate a phospholipase D (PLD) isoform. Guanine Nucleotides 40-58 glycosylphosphatidylinositol specific phospholipase D1 Homo sapiens 223-238 9624189-1 1998 ADP-ribosylation factors (ARFs), 20-kDa guanine nucleotide-binding proteins named for their ability to activate cholera toxin (CT) ADP-ribosyltransferase activity, have a critical role in vesicular transport and activate a phospholipase D (PLD) isoform. Guanine Nucleotides 40-58 glycosylphosphatidylinositol specific phospholipase D1 Homo sapiens 240-243 9614114-0 1998 Mutations at the domain interface of GSalpha impair receptor-mediated activation by altering receptor and guanine nucleotide binding. Guanine Nucleotides 106-124 GNAS complex locus Homo sapiens 37-44 9640542-2 1998 Ran is thought to be primarily bound to GTP in the nucleus and to GDP in the cytoplasm, as a result of the assymetric distribution of factors that interact with Ran to promote guanine nucleotide exchange (in the nucleus) and GTP hydrolysis (in the cytoplasm). Guanine Nucleotides 176-194 RAN, member RAS oncogene family Homo sapiens 0-3 9640542-2 1998 Ran is thought to be primarily bound to GTP in the nucleus and to GDP in the cytoplasm, as a result of the assymetric distribution of factors that interact with Ran to promote guanine nucleotide exchange (in the nucleus) and GTP hydrolysis (in the cytoplasm). Guanine Nucleotides 176-194 RAN, member RAS oncogene family Homo sapiens 161-164 9582312-0 1998 Regulation of guanine nucleotide exchange through phosphorylation of eukaryotic initiation factor eIF2alpha. Guanine Nucleotides 14-32 eukaryotic translation initiation factor 2A Rattus norvegicus 98-107 9798784-0 1998 Multiple phosphorylation sites and quaternary organization of guanine-nucleotide exchange complex of elongation factor-1 (EF-1betagammadelta/ValRS) control the various functions of EF-1alpha. Guanine Nucleotides 62-80 valyl-tRNA synthetase 1 Homo sapiens 141-146 9798784-0 1998 Multiple phosphorylation sites and quaternary organization of guanine-nucleotide exchange complex of elongation factor-1 (EF-1betagammadelta/ValRS) control the various functions of EF-1alpha. Guanine Nucleotides 62-80 eukaryotic translation elongation factor 1 alpha 2 Homo sapiens 181-190 9798784-1 1998 The eukaryotic guanine-nucleotide exchange factor commonly called elongation factor-1 betagammadelta (EF-1betagammadelta), comprises four different subunits including valyl-tRNA synthetase (EF-1betagammadelta/ValRS). Guanine Nucleotides 15-33 valyl-tRNA synthetase 1 Homo sapiens 167-188 9798784-1 1998 The eukaryotic guanine-nucleotide exchange factor commonly called elongation factor-1 betagammadelta (EF-1betagammadelta), comprises four different subunits including valyl-tRNA synthetase (EF-1betagammadelta/ValRS). Guanine Nucleotides 15-33 valyl-tRNA synthetase 1 Homo sapiens 209-214 9628477-2 1998 Among the effectors of Ras are the Raf kinase and RalGDS, a guanine nucleotide dissociation stimulator specific for Ral. Guanine Nucleotides 60-78 zinc fingers and homeoboxes 2 Homo sapiens 35-38 9628477-2 1998 Among the effectors of Ras are the Raf kinase and RalGDS, a guanine nucleotide dissociation stimulator specific for Ral. Guanine Nucleotides 60-78 ral guanine nucleotide dissociation stimulator Homo sapiens 50-56 9628477-2 1998 Among the effectors of Ras are the Raf kinase and RalGDS, a guanine nucleotide dissociation stimulator specific for Ral. Guanine Nucleotides 60-78 RAS like proto-oncogene A Homo sapiens 50-53 9585556-1 1998 Guanine nucleotide exchange factors (GEFs) activate Ras proteins by stimulating the exchange of GTP for GDP in a multistep mechanism which involves binary and ternary complexes between Ras, guanine nucleotide, and GEF. Guanine Nucleotides 190-208 rho/rac guanine nucleotide exchange factor (GEF) 2 Mus musculus 37-40 9659399-3 1998 Recombinant mGBP3 protein, expressed using a baculovirus expression system, binds to agarose-immobilized guanine nucleotides (GTP, GDP and GMP). Guanine Nucleotides 105-124 guanylate binding protein 3 Mus musculus 12-17 9582312-2 1998 The guanine nucleotide exchange activity of eIF2B plays a key regulatory role in the translation initiation phase of protein synthesis. Guanine Nucleotides 4-22 eukaryotic translation initiation factor 2B subunit delta Rattus norvegicus 44-49 9582312-8 1998 Both the five- and four-subunit forms of eIF2B exhibit similar rates of guanine nucleotide exchange activity using unphosphorylated eIF2 as substrate. Guanine Nucleotides 72-90 eukaryotic translation initiation factor 2B subunit delta Rattus norvegicus 41-46 9582312-10 1998 In contrast, eIF2B lacking the alpha-subunit is insensitive to inhibition by eIF2(alphaP) and is able to exchange guanine nucleotide using eIF2(alphaP) as substrate at a faster rate compared with five-subunit eIF2B. Guanine Nucleotides 114-132 eukaryotic translation initiation factor 2B subunit delta Rattus norvegicus 13-18 9627117-2 1998 Here we report the cloning and initial characterization of a novel protein, Brx, that contains a region of identity to the oncogenic Rho-guanine nucleotide exchange (Rho-GEF) protein Lbc, and a unique region capable of binding to nuclear hormone receptors, including the ER. Guanine Nucleotides 137-155 cysteine rich hydrophobic domain 1 Homo sapiens 76-79 9601640-3 1998 We have studied the events underlying cap formation using mice bearing a null mutation in vav (vav-/-), a gene that encodes a guanine-nucleotide exchange factor for the GTPase Rac. Guanine Nucleotides 126-144 vav 1 oncogene Mus musculus 90-93 9601640-3 1998 We have studied the events underlying cap formation using mice bearing a null mutation in vav (vav-/-), a gene that encodes a guanine-nucleotide exchange factor for the GTPase Rac. Guanine Nucleotides 126-144 vav 1 oncogene Mus musculus 95-102 9601640-3 1998 We have studied the events underlying cap formation using mice bearing a null mutation in vav (vav-/-), a gene that encodes a guanine-nucleotide exchange factor for the GTPase Rac. Guanine Nucleotides 126-144 thymoma viral proto-oncogene 1 Mus musculus 176-179 9566869-10 1998 This activation mechanism correlates with the activation mechanism of the small GTPase Rap1, a putative upstream regulator of Ral guanine nucleotide exchange factors. Guanine Nucleotides 130-148 RAP1A, member of RAS oncogene family Homo sapiens 87-91 9566869-10 1998 This activation mechanism correlates with the activation mechanism of the small GTPase Rap1, a putative upstream regulator of Ral guanine nucleotide exchange factors. Guanine Nucleotides 130-148 RAS like proto-oncogene A Homo sapiens 126-129 9632136-1 1998 A fragment consisting of residues 584-1071 of the mouse Son-of-sevenless 1 (mSos1) protein was found to be sufficient for stimulation of the guanine nucleotide exchange of Ras in vitro, which defines the CDC25 homology (CDC25H) domain of mSos1. Guanine Nucleotides 141-159 SOS Ras/Rac guanine nucleotide exchange factor 1 Mus musculus 56-74 9632136-1 1998 A fragment consisting of residues 584-1071 of the mouse Son-of-sevenless 1 (mSos1) protein was found to be sufficient for stimulation of the guanine nucleotide exchange of Ras in vitro, which defines the CDC25 homology (CDC25H) domain of mSos1. Guanine Nucleotides 141-159 SOS Ras/Rac guanine nucleotide exchange factor 1 Mus musculus 76-81 9632136-1 1998 A fragment consisting of residues 584-1071 of the mouse Son-of-sevenless 1 (mSos1) protein was found to be sufficient for stimulation of the guanine nucleotide exchange of Ras in vitro, which defines the CDC25 homology (CDC25H) domain of mSos1. Guanine Nucleotides 141-159 cell division cycle 25C Mus musculus 204-209 9553137-6 1998 IRS-4 was found to be associated with two src homology 2 (SH2) domain-containing proteins, phosphatidylinositol 3-kinase and Grb2, the adaptor to the guanine nucleotide exchange factor for Ras. Guanine Nucleotides 150-168 insulin receptor substrate 4 Homo sapiens 0-5 9553081-3 1998 The basal mechanism of eEF1A alone is determined under physiological conditions with the critical finding that glycerol and guanine nucleotide are required to prevent protein aggregation and loss of enzymatic activity. Guanine Nucleotides 124-142 eukaryotic translation elongation factor 1 alpha 1 Homo sapiens 23-28 9553081-5 1998 When eEF1A binds to F-actin, there is a 7-fold decrease in the affinity for guanine nucleotide and an increase of 35% in the rate of GTP hydrolysis. Guanine Nucleotides 76-94 eukaryotic translation elongation factor 1 alpha 1 Homo sapiens 5-10 9545275-1 1998 Ras proteins are guanine-nucleotide binding proteins that have a low intrinsic GTPase activity that is enhanced 10(5)-fold by the GTPase-activating proteins (GAPs) p120-GAP and neurofibromin. Guanine Nucleotides 17-35 RAS p21 protein activator 1 Homo sapiens 164-172 9545275-1 1998 Ras proteins are guanine-nucleotide binding proteins that have a low intrinsic GTPase activity that is enhanced 10(5)-fold by the GTPase-activating proteins (GAPs) p120-GAP and neurofibromin. Guanine Nucleotides 17-35 neurofibromin 1 Homo sapiens 177-190 9545299-12 1998 These structural differences provide an insight into specific interaction sites with the effectors, as well as with modulators such as guanine nucleotide exchange factor (GEF) and guanine nucleotide dissociation inhibitor (GDI). Guanine Nucleotides 135-153 Ras protein specific guanine nucleotide releasing factor 1 Homo sapiens 171-174 9531600-9 1998 These results indicate that inhibition of the de novo synthesis of guanine nucleotides blocks the transition of normal peripheral blood T lymphocytes from G0 to S phase in early- to mid-G1 and that this cell cycle arrest results from inhibition of the induction of cyclin D/CDK6 kinase and the elimination of p27(Kip1) inhibitory activity. Guanine Nucleotides 67-86 cyclin dependent kinase 6 Homo sapiens 274-278 9553137-6 1998 IRS-4 was found to be associated with two src homology 2 (SH2) domain-containing proteins, phosphatidylinositol 3-kinase and Grb2, the adaptor to the guanine nucleotide exchange factor for Ras. Guanine Nucleotides 150-168 growth factor receptor bound protein 2 Homo sapiens 125-129 9531600-9 1998 These results indicate that inhibition of the de novo synthesis of guanine nucleotides blocks the transition of normal peripheral blood T lymphocytes from G0 to S phase in early- to mid-G1 and that this cell cycle arrest results from inhibition of the induction of cyclin D/CDK6 kinase and the elimination of p27(Kip1) inhibitory activity. Guanine Nucleotides 67-86 dynactin subunit 6 Homo sapiens 309-312 9550702-2 1998 Recently, we and others found that three different Ral guanine nucleotide exchange factors (Ral GEFs) - Ral GDS, Rgl and Rlf - bind specifically to the GTP-bound form of several Ras-like GTPases [6-9]. Guanine Nucleotides 55-73 RAS like proto-oncogene A Homo sapiens 51-54 9531600-9 1998 These results indicate that inhibition of the de novo synthesis of guanine nucleotides blocks the transition of normal peripheral blood T lymphocytes from G0 to S phase in early- to mid-G1 and that this cell cycle arrest results from inhibition of the induction of cyclin D/CDK6 kinase and the elimination of p27(Kip1) inhibitory activity. Guanine Nucleotides 67-86 cyclin dependent kinase inhibitor 1B Homo sapiens 313-317 9539714-0 1998 Brefeldin A-inhibited guanine nucleotide-exchange activity of Sec7 domain from yeast Sec7 with yeast and mammalian ADP ribosylation factors. Guanine Nucleotides 22-40 Arf family guanine nucleotide exchange factor SEC7 Saccharomyces cerevisiae S288C 62-66 9539714-0 1998 Brefeldin A-inhibited guanine nucleotide-exchange activity of Sec7 domain from yeast Sec7 with yeast and mammalian ADP ribosylation factors. Guanine Nucleotides 22-40 Arf family guanine nucleotide exchange factor SEC7 Saccharomyces cerevisiae S288C 85-89 9550703-2 1998 ARNO is a member of the family of guanine nucleotide exchange factors for ARFs which includes cytohesin-1 and GRP-1 [2] [3-5]. Guanine Nucleotides 34-52 glutamine repeat protein 1 Mus musculus 110-115 9550702-2 1998 Recently, we and others found that three different Ral guanine nucleotide exchange factors (Ral GEFs) - Ral GDS, Rgl and Rlf - bind specifically to the GTP-bound form of several Ras-like GTPases [6-9]. Guanine Nucleotides 55-73 RAS like proto-oncogene A Homo sapiens 92-95 9550702-2 1998 Recently, we and others found that three different Ral guanine nucleotide exchange factors (Ral GEFs) - Ral GDS, Rgl and Rlf - bind specifically to the GTP-bound form of several Ras-like GTPases [6-9]. Guanine Nucleotides 55-73 RAS like proto-oncogene A Homo sapiens 92-95 9550702-2 1998 Recently, we and others found that three different Ral guanine nucleotide exchange factors (Ral GEFs) - Ral GDS, Rgl and Rlf - bind specifically to the GTP-bound form of several Ras-like GTPases [6-9]. Guanine Nucleotides 55-73 ral guanine nucleotide dissociation stimulator like 1 Homo sapiens 113-116 9550702-2 1998 Recently, we and others found that three different Ral guanine nucleotide exchange factors (Ral GEFs) - Ral GDS, Rgl and Rlf - bind specifically to the GTP-bound form of several Ras-like GTPases [6-9]. Guanine Nucleotides 55-73 RLF zinc finger Homo sapiens 121-124 9550703-2 1998 ARNO is a member of the family of guanine nucleotide exchange factors for ARFs which includes cytohesin-1 and GRP-1 [2] [3-5]. Guanine Nucleotides 34-52 cytohesin 2 Mus musculus 0-4 9550703-2 1998 ARNO is a member of the family of guanine nucleotide exchange factors for ARFs which includes cytohesin-1 and GRP-1 [2] [3-5]. Guanine Nucleotides 34-52 cytohesin 1 Mus musculus 94-105 9551090-1 1998 Phosducin-like protein (PhLP) and phosducin are highly homologous proteins that interact with the beta gamma subunits of guanine nucleotide binding proteins. Guanine Nucleotides 121-139 phosducin-like Mus musculus 24-28 9575840-5 1998 The regulation of CCK-AR and CCK-BR affinity by guanine nucleotides and the receptor activation of G protein-dependent stimulation of phospholipase C and adenylyl cyclase suggested that they were guanine nucleotide-binding protein-coupled receptors [G protein-coupled receptors (GPCRs)]; however, the eventual cloning of their cDNAs revealed their heptahelical structure and confirmed their membership in the GPCR superfamily. Guanine Nucleotides 48-67 cholecystokinin A receptor Homo sapiens 18-24 9575840-5 1998 The regulation of CCK-AR and CCK-BR affinity by guanine nucleotides and the receptor activation of G protein-dependent stimulation of phospholipase C and adenylyl cyclase suggested that they were guanine nucleotide-binding protein-coupled receptors [G protein-coupled receptors (GPCRs)]; however, the eventual cloning of their cDNAs revealed their heptahelical structure and confirmed their membership in the GPCR superfamily. Guanine Nucleotides 48-67 cholecystokinin B receptor Homo sapiens 29-35 9559647-5 1998 Furthermore, small G-proteins were found to be involved in the regulation of PLD activity in HaCaT cells using the guanine nucleotide analogue GTPgammaS. Guanine Nucleotides 115-133 glycosylphosphatidylinositol specific phospholipase D1 Homo sapiens 77-80 9494111-0 1998 Guanine nucleotide-dependent translocation of RhoA from cytosol to high affinity membrane binding sites in human erythrocytes. Guanine Nucleotides 0-18 ras homolog family member A Homo sapiens 46-50 9514644-9 1998 Taken together, these results indicate that both PPMT and PIMT activities are regulated by guanine nucleotides in brush border membranes of rat kidney. Guanine Nucleotides 91-110 isoprenylcysteine carboxyl methyltransferase Rattus norvegicus 49-53 9514644-9 1998 Taken together, these results indicate that both PPMT and PIMT activities are regulated by guanine nucleotides in brush border membranes of rat kidney. Guanine Nucleotides 91-110 protein-L-isoaspartate (D-aspartate) O-methyltransferase 1 Rattus norvegicus 58-62 9490725-6 1998 RhoGDI, a guanine-nucleotide dissociation inhibitor for the Rho family, inhibits phosphoinositide-induced actin assembly, suggesting the involvement of the Rho family small G proteins. Guanine Nucleotides 10-28 Rho GDP dissociation inhibitor (GDI) alpha L homeolog Xenopus laevis 0-6 9482864-5 1998 These results indicate that it is necessary to reconsider the assumed role of fluoride in stabilizing a variety of other GTPase-GAP interactions where the requirement for aluminum or guanine nucleotide has not yet been addressed. Guanine Nucleotides 183-201 Rho GTPase activating protein 35 Homo sapiens 128-131 9504913-3 1998 Their genetic interaction with the spi1p GTPase system was established by showing that the spi1p guanine nucleotide exchange factor mutant pim1-d1ts was hypersensitive to their overexpression. Guanine Nucleotides 97-115 Spi-1 proto-oncogene Homo sapiens 35-40 9488656-5 1998 Overexpression of EDG-1 induced exaggerated cell-cell aggregation, enhanced expression of cadherins, and formation of well-developed adherens junctions in a manner dependent on SPP and the small guanine nucleotide binding protein Rho. Guanine Nucleotides 195-213 sphingosine-1-phosphate receptor 1 Homo sapiens 18-23 9523702-5 1998 It has therefore been hypothesized that SAP97 plays an essential role in cellular signaling by regulating the guanine nucleotide pools at synaptic junctions. Guanine Nucleotides 110-128 discs large MAGUK scaffold protein 1 Homo sapiens 40-45 9541638-7 1998 Hprt mutations in malathion-treated cells arose preferentially at G:C basepairs, which is consistent with earlier reports that malathion alkylates guanine nucleotides. Guanine Nucleotides 147-166 hypoxanthine phosphoribosyltransferase 1 Homo sapiens 0-4 9504913-3 1998 Their genetic interaction with the spi1p GTPase system was established by showing that the spi1p guanine nucleotide exchange factor mutant pim1-d1ts was hypersensitive to their overexpression. Guanine Nucleotides 97-115 Spi-1 proto-oncogene Homo sapiens 91-96 9504913-3 1998 Their genetic interaction with the spi1p GTPase system was established by showing that the spi1p guanine nucleotide exchange factor mutant pim1-d1ts was hypersensitive to their overexpression. Guanine Nucleotides 97-115 Pim-1 proto-oncogene, serine/threonine kinase Homo sapiens 139-143 9447984-3 1998 Using human Sos1 (hSos1) truncation mutants, we show that Sos proteins lacking either the amino or the carboxyl terminus domain, or both, display a guanine nucleotide exchange activity that is significantly higher compared with that of the full-length protein. Guanine Nucleotides 148-166 SOS Ras/Rac guanine nucleotide exchange factor 1 Homo sapiens 12-16 9447984-3 1998 Using human Sos1 (hSos1) truncation mutants, we show that Sos proteins lacking either the amino or the carboxyl terminus domain, or both, display a guanine nucleotide exchange activity that is significantly higher compared with that of the full-length protein. Guanine Nucleotides 148-166 SOS Ras/Rac guanine nucleotide exchange factor 1 Homo sapiens 18-23 9447984-6 1998 The guanine nucleotide exchange activity of hSos1 was not augmented by growth factor stimulation, indicating that Sos activity is constitutively maintained in a downregulated state. Guanine Nucleotides 4-22 SOS Ras/Rac guanine nucleotide exchange factor 1 Homo sapiens 44-49 9447984-6 1998 The guanine nucleotide exchange activity of hSos1 was not augmented by growth factor stimulation, indicating that Sos activity is constitutively maintained in a downregulated state. Guanine Nucleotides 4-22 SOS Ras/Rac guanine nucleotide exchange factor 1 Homo sapiens 45-48 9446619-9 1998 Finally, phosphorylation by protein kinase A of the beta-subunit of eIF2 in the C-terminal portion of the protein increased the guanine nucleotide exchange activity of eIF2B, whereas phosphorylation by casein kinase II or protein kinase C was without effect. Guanine Nucleotides 128-146 eukaryotic translation initiation factor 2 subunit beta Homo sapiens 68-72 9446619-9 1998 Finally, phosphorylation by protein kinase A of the beta-subunit of eIF2 in the C-terminal portion of the protein increased the guanine nucleotide exchange activity of eIF2B, whereas phosphorylation by casein kinase II or protein kinase C was without effect. Guanine Nucleotides 128-146 eukaryotic translation initiation factor 2 subunit beta Homo sapiens 168-173 9446627-6 1998 We hypothesize that [D-Arg1,D-Phe5,D-Trp7,9, Leu11]substance P acts as a biased agonist on neuropeptide and related receptors, activating certain guanine nucleotide-binding proteins through the receptor, but not others. Guanine Nucleotides 146-164 arginase 1 Homo sapiens 23-27 9446627-6 1998 We hypothesize that [D-Arg1,D-Phe5,D-Trp7,9, Leu11]substance P acts as a biased agonist on neuropeptide and related receptors, activating certain guanine nucleotide-binding proteins through the receptor, but not others. Guanine Nucleotides 146-164 tachykinin precursor 1 Homo sapiens 51-62 9430727-6 1998 Selective activation of a single Ras homologue by Ras-GRF/Cdc25Mm or other Ras guanine nucleotide exchange factors could potentially enable each of the Ras homologues to participate in different signal transduction pathways. Guanine Nucleotides 79-97 growth hormone releasing hormone Homo sapiens 54-57 9438848-1 1998 Mitogen stimulation of cytoskeletal changes and c-jun amino-terminal kinases is mediated by Rac small guanine nucleotide-binding proteins. Guanine Nucleotides 102-120 Jun proto-oncogene, AP-1 transcription factor subunit Homo sapiens 48-53 9442017-0 1998 Regulation of GRP1-catalyzed ADP ribosylation factor guanine nucleotide exchange by phosphatidylinositol 3,4,5-trisphosphate. Guanine Nucleotides 53-71 Rud3p Saccharomyces cerevisiae S288C 14-18 9442017-4 1998 Further, the Sec7 domain of GRP1 is found to catalyze guanine nucleotide exchange of ARF1 and -5 but not ARF6. Guanine Nucleotides 54-72 Arf family guanine nucleotide exchange factor SEC7 Saccharomyces cerevisiae S288C 13-17 9442017-4 1998 Further, the Sec7 domain of GRP1 is found to catalyze guanine nucleotide exchange of ARF1 and -5 but not ARF6. Guanine Nucleotides 54-72 Rud3p Saccharomyces cerevisiae S288C 28-32 9442017-4 1998 Further, the Sec7 domain of GRP1 is found to catalyze guanine nucleotide exchange of ARF1 and -5 but not ARF6. Guanine Nucleotides 54-72 Arf family GTPase ARF1 Saccharomyces cerevisiae S288C 85-96 9464532-1 1998 Trio contains two functional guanine nucleotide exchange factors (GEF) domains for the Rho-like GTPases and a serine/threonine kinase domain. Guanine Nucleotides 29-47 trio Rho guanine nucleotide exchange factor Homo sapiens 0-4 9422735-7 1998 The guanine nucleotide exchange on Rac was increased by addition of GTPgammaS-loaded Gialpha2 or Gbeta1gamma2 to neutrophil cytosol. Guanine Nucleotides 4-22 AKT serine/threonine kinase 1 Homo sapiens 35-38 9430657-2 1998 Recently we have reported that the adaptor protein Crk transmits signals to c-Jun kinase (JNK) through C3G, a guanine-nucleotide exchange protein for the Ras family of small G proteins. Guanine Nucleotides 110-128 CRK proto-oncogene, adaptor protein Homo sapiens 51-54 9430657-2 1998 Recently we have reported that the adaptor protein Crk transmits signals to c-Jun kinase (JNK) through C3G, a guanine-nucleotide exchange protein for the Ras family of small G proteins. Guanine Nucleotides 110-128 mitogen-activated protein kinase 8 Homo sapiens 76-88 9430657-2 1998 Recently we have reported that the adaptor protein Crk transmits signals to c-Jun kinase (JNK) through C3G, a guanine-nucleotide exchange protein for the Ras family of small G proteins. Guanine Nucleotides 110-128 mitogen-activated protein kinase 8 Homo sapiens 90-93 9430657-2 1998 Recently we have reported that the adaptor protein Crk transmits signals to c-Jun kinase (JNK) through C3G, a guanine-nucleotide exchange protein for the Ras family of small G proteins. Guanine Nucleotides 110-128 Rap guanine nucleotide exchange factor 1 Homo sapiens 103-106 9427626-4 1998 We have purified this cytosolic component and shown it to be a complex of Rab5 and GDI (guanine-nucleotide dissociation inhibitor), that was previously demonstrated to be involved in downstream processing of endocytic vesicles. Guanine Nucleotides 88-106 RAB5A, member RAS oncogene family Homo sapiens 74-78 9493567-3 1998 The following data indicated that hSPR in Sf9 membranes is coupled to endogenous G proteins: 1) binding of agonist radioligand [125I]BHSP to the receptor was sensitive to guanine nucleotides; and 2) stimulation of the receptor increased [35S]GTPgammaS binding. Guanine Nucleotides 171-190 sepiapterin reductase Homo sapiens 34-38 9434775-5 1997 Triggering of the T cell receptor (TCR) perturbs the guanine nucleotide binding cycle of p21ras and in turn induces phosphorylation and activation of mitogen-activated protein kinases (MAPK). Guanine Nucleotides 53-71 HRas proto-oncogene, GTPase Homo sapiens 89-95 9436988-1 1998 We have proposed that reduced activity of inosine-5"-monophosphate dehydrogenase (IMPD; IMP:NAD oxidoreductase, EC 1.2.1.14), the rate-limiting enzyme for guanine nucleotide biosynthesis, in response to wild-type p53 expression, is essential for p53-dependent growth suppression. Guanine Nucleotides 155-173 inosine monophosphate dehydrogenase 1 Homo sapiens 42-80 9436988-1 1998 We have proposed that reduced activity of inosine-5"-monophosphate dehydrogenase (IMPD; IMP:NAD oxidoreductase, EC 1.2.1.14), the rate-limiting enzyme for guanine nucleotide biosynthesis, in response to wild-type p53 expression, is essential for p53-dependent growth suppression. Guanine Nucleotides 155-173 inosine monophosphate dehydrogenase 1 Homo sapiens 82-86 9436988-1 1998 We have proposed that reduced activity of inosine-5"-monophosphate dehydrogenase (IMPD; IMP:NAD oxidoreductase, EC 1.2.1.14), the rate-limiting enzyme for guanine nucleotide biosynthesis, in response to wild-type p53 expression, is essential for p53-dependent growth suppression. Guanine Nucleotides 155-173 tumor protein p53 Homo sapiens 213-216 9436988-1 1998 We have proposed that reduced activity of inosine-5"-monophosphate dehydrogenase (IMPD; IMP:NAD oxidoreductase, EC 1.2.1.14), the rate-limiting enzyme for guanine nucleotide biosynthesis, in response to wild-type p53 expression, is essential for p53-dependent growth suppression. Guanine Nucleotides 155-173 tumor protein p53 Homo sapiens 246-249 9680974-3 1998 Dominant negative forms of cpSRP54 altered in single amino acids within the conserved guanine nucleotide binding domain were expressed in Arabidopsis. Guanine Nucleotides 86-104 chloroplast signal recognition particle 54 kDa subunit Arabidopsis thaliana 27-34 9428514-2 1997 In a genetic screen for Rho signaling pathway components in Drosophila, we identified a gene, DRhoGEF2, that encodes a predicted Rho-specific guanine nucleotide exchange factor. Guanine Nucleotides 142-160 Rho guanine nucleotide exchange factor 2 Drosophila melanogaster 94-102 9395506-2 1997 The Ras-dependent activation of Erk kinases by G protein-coupled receptors (GPCRs) is thought to involve tyrosine phosphorylation of docking proteins that serve as scaffolds for the plasma membrane recruitment of Ras guanine nucleotide exchange factors, such as the Grb2-mSos complex. Guanine Nucleotides 217-235 Eph receptor B1 Rattus norvegicus 32-35 9425278-0 1997 Molecular cloning and characterization of CDEP, a novel human protein containing the ezrin-like domain of the band 4.1 superfamily and the Dbl homology domain of Rho guanine nucleotide exchange factors. Guanine Nucleotides 166-184 FERM, ARH/RhoGEF and pleckstrin domain protein 1 Homo sapiens 42-46 9395506-2 1997 The Ras-dependent activation of Erk kinases by G protein-coupled receptors (GPCRs) is thought to involve tyrosine phosphorylation of docking proteins that serve as scaffolds for the plasma membrane recruitment of Ras guanine nucleotide exchange factors, such as the Grb2-mSos complex. Guanine Nucleotides 217-235 growth factor receptor bound protein 2 Rattus norvegicus 266-270 9419973-1 1997 Members of the Dbl-homology (DH) family of proteins promote guanine nucleotide exchange on Rho GTPases. Guanine Nucleotides 60-78 mcf.2 transforming sequence Mus musculus 15-18 9398678-4 1997 T42A-Ran binds guanine nucleotides as well as wild-type Ran and responds as well as wild-type Ran to GTP or GDP exchange stimulated by the Ran-specific guanine nucleotide exchange factor, RCC1. Guanine Nucleotides 15-34 RAN, member RAS oncogene family Homo sapiens 5-8 9398678-4 1997 T42A-Ran binds guanine nucleotides as well as wild-type Ran and responds as well as wild-type Ran to GTP or GDP exchange stimulated by the Ran-specific guanine nucleotide exchange factor, RCC1. Guanine Nucleotides 15-33 RAN, member RAS oncogene family Homo sapiens 5-8 9335552-8 1997 Addition of purified G protein subunits to membranes containing 5-HT1D receptors caused a small increase in affinity for agonist that was only partially reversed by guanine nucleotides while the addition of purified G protein subunits to membranes containing 5-HT1E receptors had no affect on agonist binding. Guanine Nucleotides 165-184 5-hydroxytryptamine receptor 1D Homo sapiens 64-70 9362489-3 1997 Rlf exhibits guanine nucleotide exchange activity towards the small GTPase Ral and, importantly, Rlf-induced Ral activation is stimulated by active Ras. Guanine Nucleotides 13-31 rearranged L-myc fusion sequence Mus musculus 0-3 9362489-3 1997 Rlf exhibits guanine nucleotide exchange activity towards the small GTPase Ral and, importantly, Rlf-induced Ral activation is stimulated by active Ras. Guanine Nucleotides 13-31 v-ral simian leukemia viral oncogene A (ras related) Mus musculus 75-78 9362489-3 1997 Rlf exhibits guanine nucleotide exchange activity towards the small GTPase Ral and, importantly, Rlf-induced Ral activation is stimulated by active Ras. Guanine Nucleotides 13-31 rearranged L-myc fusion sequence Mus musculus 97-100 9362489-3 1997 Rlf exhibits guanine nucleotide exchange activity towards the small GTPase Ral and, importantly, Rlf-induced Ral activation is stimulated by active Ras. Guanine Nucleotides 13-31 v-ral simian leukemia viral oncogene A (ras related) Mus musculus 109-112 9345299-0 1997 Catalysis of guanine nucleotide exchange on eIF-2 by eIF-2B: is it a sequential or substituted enzyme mechanism? Guanine Nucleotides 13-31 eukaryotic translation initiation factor 2 subunit beta Homo sapiens 44-49 9345299-0 1997 Catalysis of guanine nucleotide exchange on eIF-2 by eIF-2B: is it a sequential or substituted enzyme mechanism? Guanine Nucleotides 13-31 eukaryotic translation initiation factor 2B subunit delta Homo sapiens 53-59 9345299-1 1997 The mechanism of action of the eukaryotic initiation factor eIF-2B in catalyzing the exchange of guanine nucleotides bound to eIF-2 is uncertain--evidence having been adduced for a sequential mechanism and for a substituted enzyme mechanism. Guanine Nucleotides 97-116 eukaryotic translation initiation factor 2B subunit delta Homo sapiens 60-66 9345299-1 1997 The mechanism of action of the eukaryotic initiation factor eIF-2B in catalyzing the exchange of guanine nucleotides bound to eIF-2 is uncertain--evidence having been adduced for a sequential mechanism and for a substituted enzyme mechanism. Guanine Nucleotides 97-116 eukaryotic translation initiation factor 2 subunit beta Homo sapiens 60-65 9348536-2 1997 RanBP1 is a highly conserved Ran guanine nucleotide dissociation inhibitor. Guanine Nucleotides 33-51 RAN binding protein 1 S homeolog Xenopus laevis 0-6 9315840-3 1997 Here, we characterize the kinetics and equilibrium of the interaction between Ran and RanBP1 by two independent biophysical approaches: fluorescence spectroscopy using analogues of guanine nucleotides and surface plasmon resonance in the BIAcore system. Guanine Nucleotides 181-200 RAN, member RAS oncogene family Homo sapiens 78-81 9315840-3 1997 Here, we characterize the kinetics and equilibrium of the interaction between Ran and RanBP1 by two independent biophysical approaches: fluorescence spectroscopy using analogues of guanine nucleotides and surface plasmon resonance in the BIAcore system. Guanine Nucleotides 181-200 RAN binding protein 1 Homo sapiens 86-92 9328281-1 1997 Phosphorylation of serine 51 residue in the alpha-subunit of eukaryotic initiation factor 2 (eIF2alpha) impairs the guanine nucleotide exchange (GNE) activity of eIF2B protein and thereby inhibits protein synthesis in mammalian systems, insects and yeast. Guanine Nucleotides 116-134 eukaryotic translation initiation factor 2A Homo sapiens 93-102 9328281-1 1997 Phosphorylation of serine 51 residue in the alpha-subunit of eukaryotic initiation factor 2 (eIF2alpha) impairs the guanine nucleotide exchange (GNE) activity of eIF2B protein and thereby inhibits protein synthesis in mammalian systems, insects and yeast. Guanine Nucleotides 116-134 eukaryotic translation initiation factor 2 subunit beta Homo sapiens 162-167 9328281-3 1997 Interestingly purified wheat germ eIF2 (WG x eIF2) can exchange guanine nucleotides in vitro without the addition of any protein factor like eIF2B. Guanine Nucleotides 64-83 eukaryotic translation initiation factor 2 subunit beta Homo sapiens 34-38 9328281-3 1997 Interestingly purified wheat germ eIF2 (WG x eIF2) can exchange guanine nucleotides in vitro without the addition of any protein factor like eIF2B. Guanine Nucleotides 64-83 eukaryotic translation initiation factor 2 subunit beta Homo sapiens 45-49 9328353-6 1997 Incubation in the presence of high doses of guanine nucleotide partially prevented heat denaturation of G(S alpha) deltaS250 but had no protective effect on G(S alpha-S250R. Guanine Nucleotides 44-62 GNAS complex locus Homo sapiens 104-113 9348536-2 1997 RanBP1 is a highly conserved Ran guanine nucleotide dissociation inhibitor. Guanine Nucleotides 33-51 ran GTP-binding protein Xenopus laevis 0-3 9305844-1 1997 A variety of extracellular signals are transduced across the cell membrane by the enzyme phosphoinositide-specific phospholipase C-beta (PLC-beta) coupled with guanine-nucleotide-binding G proteins. Guanine Nucleotides 160-178 phospholipase C, beta 1 Mus musculus 137-145 9305861-4 1997 cAMP also prevents guanine nucleotide exchange on RhoA, a small GTP-binding protein of the rho subfamily, which is activated in seconds by chemoattractants. Guanine Nucleotides 19-37 ras homolog family member A Homo sapiens 50-54 9252412-2 1997 Moreover, a Rab guanine nucleotide dissociation inhibitor has been shown to cause Rab3A to dissociate from synaptic membranes in vitro. Guanine Nucleotides 16-34 RAB3A, member RAS oncogene family Homo sapiens 12-15 9285789-0 1997 Huntingtin-associated protein 1 (HAP1) binds to a Trio-like polypeptide, with a rac1 guanine nucleotide exchange factor domain. Guanine Nucleotides 85-103 huntingtin associated protein 1 Homo sapiens 0-31 9285789-0 1997 Huntingtin-associated protein 1 (HAP1) binds to a Trio-like polypeptide, with a rac1 guanine nucleotide exchange factor domain. Guanine Nucleotides 85-103 huntingtin associated protein 1 Homo sapiens 33-37 9285789-0 1997 Huntingtin-associated protein 1 (HAP1) binds to a Trio-like polypeptide, with a rac1 guanine nucleotide exchange factor domain. Guanine Nucleotides 85-103 Rac family small GTPase 1 Homo sapiens 80-84 9316880-9 1997 These data suggest that alterations in the beta1-adrenoceptor-linked stimulatory guanine nucleotide binding protein-adenylyl cyclase pathway due to X plus XO are biphasic in nature and these changes may likely be due to the formation of H2O2. Guanine Nucleotides 81-99 adrenoceptor beta 1 Rattus norvegicus 43-61 9252412-2 1997 Moreover, a Rab guanine nucleotide dissociation inhibitor has been shown to cause Rab3A to dissociate from synaptic membranes in vitro. Guanine Nucleotides 16-34 RAB3A, member RAS oncogene family Homo sapiens 82-87 9252412-4 1997 Like Rab guanine nucleotide dissociation inhibitor, it forms a 1:1 complex with Rab3A that requires both the lipidated C terminus of Rab3A and the presence of bound guanine nucleotide. Guanine Nucleotides 9-27 RAB3A, member RAS oncogene family Homo sapiens 5-8 9252412-4 1997 Like Rab guanine nucleotide dissociation inhibitor, it forms a 1:1 complex with Rab3A that requires both the lipidated C terminus of Rab3A and the presence of bound guanine nucleotide. Guanine Nucleotides 9-27 RAB3A, member RAS oncogene family Homo sapiens 80-85 9252412-4 1997 Like Rab guanine nucleotide dissociation inhibitor, it forms a 1:1 complex with Rab3A that requires both the lipidated C terminus of Rab3A and the presence of bound guanine nucleotide. Guanine Nucleotides 9-27 RAB3A, member RAS oncogene family Homo sapiens 133-138 9252412-6 1997 However, Ca2+/calmodulin"s effect differs from that of Rab guanine nucleotide dissociation inhibitor not only in being Ca2+-dependent but also in having a less stringent requirement for GDP as opposed to GTP and in involving a less complete dissociation of Rab3A. Guanine Nucleotides 59-77 RAB3A, member RAS oncogene family Homo sapiens 55-58 9252412-6 1997 However, Ca2+/calmodulin"s effect differs from that of Rab guanine nucleotide dissociation inhibitor not only in being Ca2+-dependent but also in having a less stringent requirement for GDP as opposed to GTP and in involving a less complete dissociation of Rab3A. Guanine Nucleotides 59-77 RAB3A, member RAS oncogene family Homo sapiens 257-262 9252412-7 1997 The functional significance in vivo of Ca2+/calmodulin"s effect remains to be determined; it may depend in part on the relative amounts of Ca2+/calmodulin and Rab guanine nucleotide dissociation inhibitor that are available for binding to Rab3A in individual, activated nerve termini. Guanine Nucleotides 163-181 RAB3A, member RAS oncogene family Homo sapiens 159-162 9252412-7 1997 The functional significance in vivo of Ca2+/calmodulin"s effect remains to be determined; it may depend in part on the relative amounts of Ca2+/calmodulin and Rab guanine nucleotide dissociation inhibitor that are available for binding to Rab3A in individual, activated nerve termini. Guanine Nucleotides 163-181 RAB3A, member RAS oncogene family Homo sapiens 239-244 9280203-3 1997 ANP-A and ANP-B receptors are guanylyl cyclase receptors, whereas ANP-C receptors are coupled to adenylyl cyclase inhibition or phospholipase C activation through inhibitory guanine nucleotide-regulating protein. Guanine Nucleotides 174-192 natriuretic peptide receptor 1 Homo sapiens 0-5 9235896-1 1997 The alpha-subunit of eukaryotic initiation factor 2B (eIF-2B), a guanine nucleotide exchange protein that functions in regulation of translation, was observed to associate with the carboxyl-terminal cytoplasmic domains of the alpha2A- and alpha2B-adrenergic receptors in a yeast two-hybrid screen of a cDNA library prepared from 293 cells. Guanine Nucleotides 65-83 eukaryotic translation initiation factor 2B subunit alpha Homo sapiens 54-60 9280203-3 1997 ANP-A and ANP-B receptors are guanylyl cyclase receptors, whereas ANP-C receptors are coupled to adenylyl cyclase inhibition or phospholipase C activation through inhibitory guanine nucleotide-regulating protein. Guanine Nucleotides 174-192 natriuretic peptide A Homo sapiens 0-3 9253406-1 1997 The Ras-interacting domains of the the protein-kinase Raf and the Ral guanine nucleotide dissociation stimulator, RalGDS, lack extensive sequence similarity, but their overall three-dimensional structures are very similar to each other. Guanine Nucleotides 70-88 zinc fingers and homeoboxes 2 Homo sapiens 54-57 9218467-7 1997 These results imply an in vivo role for Dss4p as a guanine nucleotide dissociation stimulator. Guanine Nucleotides 51-69 guanine nucleotide exchange factor DSS4 Saccharomyces cerevisiae S288C 40-45 9253406-1 1997 The Ras-interacting domains of the the protein-kinase Raf and the Ral guanine nucleotide dissociation stimulator, RalGDS, lack extensive sequence similarity, but their overall three-dimensional structures are very similar to each other. Guanine Nucleotides 70-88 RAS like proto-oncogene A Homo sapiens 66-69 9253406-1 1997 The Ras-interacting domains of the the protein-kinase Raf and the Ral guanine nucleotide dissociation stimulator, RalGDS, lack extensive sequence similarity, but their overall three-dimensional structures are very similar to each other. Guanine Nucleotides 70-88 ral guanine nucleotide dissociation stimulator Homo sapiens 114-120 9365783-1 1997 RALGDS is a 115 kDa protein which was identified by its ability to enhance guanine nucleotide exchange for the ras family member ral. Guanine Nucleotides 75-93 ral guanine nucleotide dissociation stimulator Homo sapiens 0-6 9218482-13 1997 Phosphorylation of p14/p18 in membranes treated with guanine nucleotides correlated with a concurrent reduction in the activation of PDE-5 by PKA. Guanine Nucleotides 53-72 ribonuclease P/MRP subunit p14 Homo sapiens 19-22 9218482-13 1997 Phosphorylation of p14/p18 in membranes treated with guanine nucleotides correlated with a concurrent reduction in the activation of PDE-5 by PKA. Guanine Nucleotides 53-72 H3 histone pseudogene 12 Homo sapiens 23-26 9218482-13 1997 Phosphorylation of p14/p18 in membranes treated with guanine nucleotides correlated with a concurrent reduction in the activation of PDE-5 by PKA. Guanine Nucleotides 53-72 phosphodiesterase 5A Homo sapiens 133-138 9233772-0 1997 A giant protein that stimulates guanine nucleotide exchange on ARF1 and Rab proteins forms a cytosolic ternary complex with clathrin and Hsp70. Guanine Nucleotides 32-50 ADP ribosylation factor 1 Homo sapiens 63-67 9233772-0 1997 A giant protein that stimulates guanine nucleotide exchange on ARF1 and Rab proteins forms a cytosolic ternary complex with clathrin and Hsp70. Guanine Nucleotides 32-50 heat shock protein family A (Hsp70) member 4 Homo sapiens 137-142 9233772-1 1997 We have recently identified an unusually large human protein that stimulates guanine nucleotide exchange on ARF1 and Rab proteins (EMBO J 15: 4262-4273, 1996). Guanine Nucleotides 77-95 ADP ribosylation factor 1 Homo sapiens 108-112 9233772-2 1997 This protein, designated p532 based on its predicted molecular weight (EMBO J 15: 5738, 1996), contains multiple structural domains including two regions of seven internal repeats highly related to the cell cycle regulator RCC1, a guanine nucleotide exchange factor for the small GTP-binding protein Ran, seven beta-repeat domains characteristic of the beta subunit of heterotrimeric G proteins, three putative SH3 binding sites, a putative leucine-zipper and a carboxy-terminal HECT domain characteristic of E3 ubiquitin-protein ligases. Guanine Nucleotides 231-249 HECT and RLD domain containing E3 ubiquitin protein ligase family member 1 Homo sapiens 25-29 9233772-2 1997 This protein, designated p532 based on its predicted molecular weight (EMBO J 15: 5738, 1996), contains multiple structural domains including two regions of seven internal repeats highly related to the cell cycle regulator RCC1, a guanine nucleotide exchange factor for the small GTP-binding protein Ran, seven beta-repeat domains characteristic of the beta subunit of heterotrimeric G proteins, three putative SH3 binding sites, a putative leucine-zipper and a carboxy-terminal HECT domain characteristic of E3 ubiquitin-protein ligases. Guanine Nucleotides 231-249 regulator of chromosome condensation 1 Homo sapiens 223-227 9200440-1 1997 The molecular adapter c-Cbl is rapidly tyrosine phosphorylated following stimulation through the TCR and associates with Src homology domain-2 (SH2)/SH3 domain-containing adapters such as Grb2, Crk, and Crk-L, which interact with guanine nucleotide exchange factors specific for the Ras family. Guanine Nucleotides 230-248 Casitas B-lineage lymphoma Mus musculus 22-27 9215891-9 1997 Our findings suggest that the guanine nucleotide-binding Cin4p interacts with Cin1p and regulates its tubulin folding activity. Guanine Nucleotides 30-48 Arf family GTPase CIN4 Saccharomyces cerevisiae S288C 57-62 9215891-9 1997 Our findings suggest that the guanine nucleotide-binding Cin4p interacts with Cin1p and regulates its tubulin folding activity. Guanine Nucleotides 30-48 Cin1p Saccharomyces cerevisiae S288C 78-83 9200440-1 1997 The molecular adapter c-Cbl is rapidly tyrosine phosphorylated following stimulation through the TCR and associates with Src homology domain-2 (SH2)/SH3 domain-containing adapters such as Grb2, Crk, and Crk-L, which interact with guanine nucleotide exchange factors specific for the Ras family. Guanine Nucleotides 230-248 growth factor receptor bound protein 2 Mus musculus 188-192 9200440-1 1997 The molecular adapter c-Cbl is rapidly tyrosine phosphorylated following stimulation through the TCR and associates with Src homology domain-2 (SH2)/SH3 domain-containing adapters such as Grb2, Crk, and Crk-L, which interact with guanine nucleotide exchange factors specific for the Ras family. Guanine Nucleotides 230-248 v-crk avian sarcoma virus CT10 oncogene homolog Mus musculus 203-206 9202122-4 1997 Their serum leptin levels were very low despite their markedly elevated fat mass and, in both, a homozygous frame-shift mutation involving the deletion of a single guanine nucleotide in codon 133 of the gene for leptin was found. Guanine Nucleotides 164-182 leptin Homo sapiens 12-18 9202122-4 1997 Their serum leptin levels were very low despite their markedly elevated fat mass and, in both, a homozygous frame-shift mutation involving the deletion of a single guanine nucleotide in codon 133 of the gene for leptin was found. Guanine Nucleotides 164-182 leptin Homo sapiens 212-218 9151726-6 1997 Intracellularly perfused recombinant Rho-GDI (an inhibitor of guanine nucleotide exchange specific for the Rho family) attenuated the inhibition of ICa,V by BK. Guanine Nucleotides 62-80 Rho GDP dissociation inhibitor (GDI) alpha Mus musculus 37-44 9219527-12 1997 These results are consistent with a model whereby MobB binds the guanine nucleotide which is attached to molybdopterin during the biosynthesis of the molybdenum cofactor. Guanine Nucleotides 65-83 relaxase/mobilisation protein MobB Escherichia coli 50-54 9169411-0 1997 Insulin stimulates guanine nucleotide exchange on Rab4 via a wortmannin-sensitive signaling pathway in rat adipocytes. Guanine Nucleotides 19-37 RAB4A, member RAS oncogene family Rattus norvegicus 50-54 9169411-2 1997 In the present study, we investigated the insulin effects on the guanine nucleotide exchange on Rab4. Guanine Nucleotides 65-83 RAB4A, member RAS oncogene family Rattus norvegicus 96-100 9169411-4 1997 Addition of insulin resulted in about a 2-fold stimulation of the binding of [35S]GTPgammaS to Rab4, indicating that insulin stimulated the guanine nucleotide exchange on the GTPase. Guanine Nucleotides 140-158 RAB4A, member RAS oncogene family Rattus norvegicus 95-99 9169411-6 1997 Wortmannin also attenuated the nucleotide binding to Rab4 in the basal cells, suggesting that phosphatidylinositol 3-kinase activity may be essential for regulation of guanine nucleotide exchange on the GTPase and insulin may up-regulate the exchange activity by stimulating the lipid kinase. Guanine Nucleotides 168-186 RAB4A, member RAS oncogene family Rattus norvegicus 53-57 9169411-8 1997 These results suggest that insulin stimulates the guanine nucleotide exchange on Rab4 via a phosphatidylinositol 3-kinase-dependent signaling pathway and that Rab4 is one of possible targets of insulin action on intracellular vesicle traffic in rat adipocytes. Guanine Nucleotides 50-68 RAB4A, member RAS oncogene family Rattus norvegicus 81-85 9214627-1 1997 Mitogenic G protein-coupled receptors, such as those for lysophosphatidic acid (LPA) and thrombin, activate the Ras/MAP kinase pathway via pertussis toxin (PTX)-sensitive Gi, tyrosine kinase activity and recruitment of Grb2, which targets guanine nucleotide exchange activity to Ras. Guanine Nucleotides 239-257 coagulation factor II Rattus norvegicus 89-97 9214627-1 1997 Mitogenic G protein-coupled receptors, such as those for lysophosphatidic acid (LPA) and thrombin, activate the Ras/MAP kinase pathway via pertussis toxin (PTX)-sensitive Gi, tyrosine kinase activity and recruitment of Grb2, which targets guanine nucleotide exchange activity to Ras. Guanine Nucleotides 239-257 growth factor receptor bound protein 2 Rattus norvegicus 219-223 9236898-2 1997 The ras family of genes consists of three functional genes which encode highly similar, guanine nucleotide-binding, proteins (p21) of 21kDa, with GTPase activity. Guanine Nucleotides 88-106 H3 histone pseudogene 16 Homo sapiens 126-129 9115241-3 1997 The interaction is influenced by the guanine nucleotide binding state of Rad with the GDP-bound form exhibiting 5-fold better binding to CaM than the GTP-bound protein. Guanine Nucleotides 37-55 Ras-related associated with diabetes Mus musculus 73-76 9115241-3 1997 The interaction is influenced by the guanine nucleotide binding state of Rad with the GDP-bound form exhibiting 5-fold better binding to CaM than the GTP-bound protein. Guanine Nucleotides 37-55 calmodulin 2 Mus musculus 137-140 9177482-3 1997 Recombinant Rab29 exhibited rapid exchange of bound guanine nucleotides for radiolabeled GTP but lacked a detectable intrinsic GTPase activity. Guanine Nucleotides 52-71 RAB29, member RAS oncogene family Rattus norvegicus 12-17 9177487-7 1997 The EF-Tu x Ts(mt) complex is quite resistant to dissociation by guanine nucleotides. Guanine Nucleotides 65-84 eukaryotic translation elongation factor 1 alpha 1 Homo sapiens 4-9 9129019-8 1997 In factor-dependent hematopoietic cell lines, CrkL constitutively associated with the guanine nucleotide release factor, C3G, which is known to interact via Crk src-homology 3 (SH3) domains. Guanine Nucleotides 86-104 v-crk avian sarcoma virus CT10 oncogene homolog-like Mus musculus 46-50 9195882-3 1997 Guanine nucleotide dissociation inhibitors (GDIs) of the rhoGDI family bind to these G proteins and regulate their activity by preventing nucleotide dissociation and by controlling their interaction with membranes. Guanine Nucleotides 0-18 Rho GDP dissociation inhibitor alpha Homo sapiens 57-63 9143362-1 1997 We studied the relationships between the activation of phospholipase D (PLD) by guanine nucleotides and phorbol esters in permeabilized U937 promonocytes and in solubilized extracts prepared from U937 cell membranes. Guanine Nucleotides 80-99 glycosylphosphatidylinositol specific phospholipase D1 Homo sapiens 55-70 9143362-1 1997 We studied the relationships between the activation of phospholipase D (PLD) by guanine nucleotides and phorbol esters in permeabilized U937 promonocytes and in solubilized extracts prepared from U937 cell membranes. Guanine Nucleotides 80-99 glycosylphosphatidylinositol specific phospholipase D1 Homo sapiens 72-75 9129019-8 1997 In factor-dependent hematopoietic cell lines, CrkL constitutively associated with the guanine nucleotide release factor, C3G, which is known to interact via Crk src-homology 3 (SH3) domains. Guanine Nucleotides 86-104 Rap guanine nucleotide exchange factor (GEF) 1 Mus musculus 121-124 9129019-8 1997 In factor-dependent hematopoietic cell lines, CrkL constitutively associated with the guanine nucleotide release factor, C3G, which is known to interact via Crk src-homology 3 (SH3) domains. Guanine Nucleotides 86-104 v-crk avian sarcoma virus CT10 oncogene homolog Mus musculus 46-49 9122199-6 1997 Furthermore, overexpression of a dominant-negative form of C3G lacking the guanine nucleotide exchange domain abolished both the JNK activity and the colony forming potential of v-Crk NIH 3T3 cells. Guanine Nucleotides 75-93 Rap guanine nucleotide exchange factor (GEF) 1 Mus musculus 59-62 9226297-4 1997 These actions, mediated via an interaction with two major subtypes of cell surface seven-transmembrane receptors (ET(A) and ET(B)), are coupled to their effector systems by several distinct types of guanine nucleotide regulatory proteins (both inhibitory and stimulatory G proteins). Guanine Nucleotides 199-217 endothelin receptor type B Homo sapiens 124-129 9109662-1 1997 Individual rate constants for the interaction of H-, K-, and N-Ras with GAP-334 and NF1-333 were determined using fluorescent derivatives of guanine nucleotides at the active site of the Ras proteins. Guanine Nucleotides 141-160 NRAS proto-oncogene, GTPase Homo sapiens 61-66 9109662-1 1997 Individual rate constants for the interaction of H-, K-, and N-Ras with GAP-334 and NF1-333 were determined using fluorescent derivatives of guanine nucleotides at the active site of the Ras proteins. Guanine Nucleotides 141-160 neurofibromin 1 Homo sapiens 84-87 9224661-5 1997 GTP rapidly associates with the guanine nucleotide-free form of unmodified Rab3A, but not with the same form of modified Rab3A. Guanine Nucleotides 32-50 RAB3A, member RAS oncogene family Homo sapiens 75-80 9224661-7 1997 The association of GTP with the guanine nucleotide-free form of modified Rab3A is stimulated by the Rab3 GDP/GTP exchange protein (Rab3 GEP), and the dissociation of GTP from the GTP-bound form is markedly reduced by synaptic vesicle phospholipid. Guanine Nucleotides 32-50 RAB3A, member RAS oncogene family Homo sapiens 73-78 9224661-7 1997 The association of GTP with the guanine nucleotide-free form of modified Rab3A is stimulated by the Rab3 GDP/GTP exchange protein (Rab3 GEP), and the dissociation of GTP from the GTP-bound form is markedly reduced by synaptic vesicle phospholipid. Guanine Nucleotides 32-50 MAP kinase activating death domain Homo sapiens 100-129 9224661-7 1997 The association of GTP with the guanine nucleotide-free form of modified Rab3A is stimulated by the Rab3 GDP/GTP exchange protein (Rab3 GEP), and the dissociation of GTP from the GTP-bound form is markedly reduced by synaptic vesicle phospholipid. Guanine Nucleotides 32-50 MAP kinase activating death domain Homo sapiens 131-139 9209406-13 1997 It has been reported that Vav has guanine nucleotide exchange activity and activates Ras in vitro and in vivo. Guanine Nucleotides 34-52 vav guanine nucleotide exchange factor 1 Homo sapiens 26-29 9072969-4 1997 The PH domain of the closely related protein cytohesin-1, which, through its Sec7 homology domain, regulates integrin beta2 and catalyzes guanine nucleotide exchange of the small guanine nucleotide-binding protein ARF1, was also found to specifically bind PtdIns(3,4,5)P3. Guanine Nucleotides 138-156 cytohesin 1 Mus musculus 45-56 9072969-4 1997 The PH domain of the closely related protein cytohesin-1, which, through its Sec7 homology domain, regulates integrin beta2 and catalyzes guanine nucleotide exchange of the small guanine nucleotide-binding protein ARF1, was also found to specifically bind PtdIns(3,4,5)P3. Guanine Nucleotides 138-156 Arf family guanine nucleotide exchange factor SEC7 Saccharomyces cerevisiae S288C 77-81 9072969-4 1997 The PH domain of the closely related protein cytohesin-1, which, through its Sec7 homology domain, regulates integrin beta2 and catalyzes guanine nucleotide exchange of the small guanine nucleotide-binding protein ARF1, was also found to specifically bind PtdIns(3,4,5)P3. Guanine Nucleotides 138-156 ADP-ribosylation factor 1 Mus musculus 214-218 9072969-4 1997 The PH domain of the closely related protein cytohesin-1, which, through its Sec7 homology domain, regulates integrin beta2 and catalyzes guanine nucleotide exchange of the small guanine nucleotide-binding protein ARF1, was also found to specifically bind PtdIns(3,4,5)P3. Guanine Nucleotides 179-197 cytohesin 1 Mus musculus 45-56 9072969-4 1997 The PH domain of the closely related protein cytohesin-1, which, through its Sec7 homology domain, regulates integrin beta2 and catalyzes guanine nucleotide exchange of the small guanine nucleotide-binding protein ARF1, was also found to specifically bind PtdIns(3,4,5)P3. Guanine Nucleotides 179-197 Arf family guanine nucleotide exchange factor SEC7 Saccharomyces cerevisiae S288C 77-81 9072969-4 1997 The PH domain of the closely related protein cytohesin-1, which, through its Sec7 homology domain, regulates integrin beta2 and catalyzes guanine nucleotide exchange of the small guanine nucleotide-binding protein ARF1, was also found to specifically bind PtdIns(3,4,5)P3. Guanine Nucleotides 179-197 ADP-ribosylation factor 1 Mus musculus 214-218 9122224-5 1997 In addition, three guanine nucleotide-binding motifs are essential for CIITA activity. Guanine Nucleotides 19-37 class II major histocompatibility complex transactivator Homo sapiens 71-76 9122199-6 1997 Furthermore, overexpression of a dominant-negative form of C3G lacking the guanine nucleotide exchange domain abolished both the JNK activity and the colony forming potential of v-Crk NIH 3T3 cells. Guanine Nucleotides 75-93 mitogen-activated protein kinase 9 Mus musculus 129-132 9122199-6 1997 Furthermore, overexpression of a dominant-negative form of C3G lacking the guanine nucleotide exchange domain abolished both the JNK activity and the colony forming potential of v-Crk NIH 3T3 cells. Guanine Nucleotides 75-93 v-crk avian sarcoma virus CT10 oncogene homolog Mus musculus 180-183 9032257-0 1997 Homologous segments in three subunits of the guanine nucleotide exchange factor eIF2B mediate translational regulation by phosphorylation of eIF2. Guanine Nucleotides 45-63 eukaryotic translation initiation factor 2B subunit delta Homo sapiens 80-85 9058812-9 1997 Point mutations of the consecutive guanine nucleotides significantly reduced the DNA-binding activity and the TGF-beta-induced promoter activity. Guanine Nucleotides 35-54 transforming growth factor beta 1 Homo sapiens 110-118 9032257-0 1997 Homologous segments in three subunits of the guanine nucleotide exchange factor eIF2B mediate translational regulation by phosphorylation of eIF2. Guanine Nucleotides 45-63 eukaryotic translation initiation factor 2 subunit beta Homo sapiens 80-84 9020126-4 1997 Agents that inhibit the Golgi membrane guanine nucleotide exchange factor (the fungal metabolite brefeldin A and trypsin treatment) selectively inhibited the guanine nucleotide exchange on mammalian ARF1. Guanine Nucleotides 158-176 ADP ribosylation factor 1 Homo sapiens 199-203 9030518-0 1997 Residues of the Rho family GTPases Rho and Cdc42 that specify sensitivity to Dbl-like guanine nucleotide exchange factors. Guanine Nucleotides 86-104 cell division cycle 42 Homo sapiens 43-48 9030518-0 1997 Residues of the Rho family GTPases Rho and Cdc42 that specify sensitivity to Dbl-like guanine nucleotide exchange factors. Guanine Nucleotides 86-104 MCF.2 cell line derived transforming sequence Homo sapiens 77-80 9030518-1 1997 The Dbl-like guanine nucleotide exchange factor (GEF) Lbc oncoprotein specifically activates the small GTP-binding protein Rho in mammalian fibroblasts to induce transformation and actin stress fiber formation, whereas another Dbl-related molecule, Cdc24, stimulates guanine nucleotide exchange of the Rho family GTPase Cdc42 to elicit effects on both gene induction and actin-based cytoskeleton change in Saccharomyces cerevisiae. Guanine Nucleotides 13-31 MCF.2 cell line derived transforming sequence Homo sapiens 4-7 9030518-1 1997 The Dbl-like guanine nucleotide exchange factor (GEF) Lbc oncoprotein specifically activates the small GTP-binding protein Rho in mammalian fibroblasts to induce transformation and actin stress fiber formation, whereas another Dbl-related molecule, Cdc24, stimulates guanine nucleotide exchange of the Rho family GTPase Cdc42 to elicit effects on both gene induction and actin-based cytoskeleton change in Saccharomyces cerevisiae. Guanine Nucleotides 13-31 Ras protein specific guanine nucleotide releasing factor 1 Homo sapiens 49-52 9030518-1 1997 The Dbl-like guanine nucleotide exchange factor (GEF) Lbc oncoprotein specifically activates the small GTP-binding protein Rho in mammalian fibroblasts to induce transformation and actin stress fiber formation, whereas another Dbl-related molecule, Cdc24, stimulates guanine nucleotide exchange of the Rho family GTPase Cdc42 to elicit effects on both gene induction and actin-based cytoskeleton change in Saccharomyces cerevisiae. Guanine Nucleotides 13-31 MCF.2 cell line derived transforming sequence Homo sapiens 227-230 9030518-1 1997 The Dbl-like guanine nucleotide exchange factor (GEF) Lbc oncoprotein specifically activates the small GTP-binding protein Rho in mammalian fibroblasts to induce transformation and actin stress fiber formation, whereas another Dbl-related molecule, Cdc24, stimulates guanine nucleotide exchange of the Rho family GTPase Cdc42 to elicit effects on both gene induction and actin-based cytoskeleton change in Saccharomyces cerevisiae. Guanine Nucleotides 13-31 cell division cycle 42 Homo sapiens 320-325 9020126-1 1997 We have compared the abilities of mammalian ADP-ribosylation factors (ARFs) 1, 5, and 6 and Saccharomyces cerevisiae ARF2 to serve as substrates for the rat liver Golgi membrane guanine nucleotide exchange factor and to initiate the formation of clathrin- and coatomer protein (COP) I-coated vesicles on these membranes. Guanine Nucleotides 178-196 Arf family GTPase ARF2 Saccharomyces cerevisiae S288C 117-121 9020126-4 1997 Agents that inhibit the Golgi membrane guanine nucleotide exchange factor (the fungal metabolite brefeldin A and trypsin treatment) selectively inhibited the guanine nucleotide exchange on mammalian ARF1. Guanine Nucleotides 39-57 ADP ribosylation factor 1 Homo sapiens 199-203 9020126-9 1997 These data indicate that the specificity for ARF action on the Golgi membranes is primarily determined by the Golgi guanine nucleotide exchange factor, which has a strong preference for myristoylated mammalian ARF1. Guanine Nucleotides 116-134 ADP ribosylation factor 1 Homo sapiens 210-214 9020151-5 1997 NO-related species stimulated guanine nucleotide exchange on wild-type p21(ras), resulting in an active form, but not on p21(ras)C118S. Guanine Nucleotides 30-48 H3 histone pseudogene 16 Homo sapiens 71-74 9020151-7 1997 These data indicate that Cys118 is a critical site of redox regulation of p21(ras), and S-nitrosylation of this residue triggers guanine nucleotide exchange and downstream signaling. Guanine Nucleotides 129-147 H3 histone pseudogene 16 Homo sapiens 74-77 9013573-5 1997 CR-1 was also found to promote an increase in the association of the adaptor Grb2-guanine nucleotide exchange factor-mouse son of sevenless (mSOS) signaling complex with tyrosine-phosphorylated Shc in HC-11 cells. Guanine Nucleotides 82-100 teratocarcinoma-derived growth factor 1 Mus musculus 0-4 9013573-5 1997 CR-1 was also found to promote an increase in the association of the adaptor Grb2-guanine nucleotide exchange factor-mouse son of sevenless (mSOS) signaling complex with tyrosine-phosphorylated Shc in HC-11 cells. Guanine Nucleotides 82-100 growth factor receptor bound protein 2 Mus musculus 77-81 9013620-1 1997 Mss4 is a guanine nucleotide exchange factor that specifically binds to, and promotes GDP-GTP exchange on, a subset of the Rab GTPases (Burton, J. L., Burns, M. E., Gatti, E., Augustine, G. J., and De Camilli, P. (1994) EMBO J. Guanine Nucleotides 10-28 1-phosphatidylinositol-4-phosphate 5-kinase Saccharomyces cerevisiae S288C 0-4 9013573-5 1997 CR-1 was also found to promote an increase in the association of the adaptor Grb2-guanine nucleotide exchange factor-mouse son of sevenless (mSOS) signaling complex with tyrosine-phosphorylated Shc in HC-11 cells. Guanine Nucleotides 82-100 src homology 2 domain-containing transforming protein C1 Mus musculus 194-197 9033409-6 1997 We have shown that the inhibition of the GTPase activity of Cdc42Hs, as well as a previously undescribed inhibition of guanine nucleotide dissociation, is mediated by the PBD portion of the mPAK-3 molecule. Guanine Nucleotides 119-137 p21 (RAC1) activated kinase 3 Mus musculus 190-196 9574846-9 1997 Thus, our data indicate that the new radioligand [125I]-hCGRP(8-37) is a useful tool for characterizing CGRP receptors and their coupling to guanine nucleotide binding proteins. Guanine Nucleotides 141-159 calcitonin related polypeptide alpha Homo sapiens 56-61 9385043-5 1997 High affinity [125I]BQ3020 binding is reduced in the presence of guanine nucleotides indicating an interaction with high and low affinity states of the ETB receptor. Guanine Nucleotides 65-84 endothelin receptor type B Rattus norvegicus 152-155 9574846-9 1997 Thus, our data indicate that the new radioligand [125I]-hCGRP(8-37) is a useful tool for characterizing CGRP receptors and their coupling to guanine nucleotide binding proteins. Guanine Nucleotides 141-159 calcitonin related polypeptide alpha Homo sapiens 57-61 9012677-0 1997 Guanine nucleotide binding properties of Rac2 mutant proteins and analysis of the responsiveness to guanine nucleotide dissociation stimulator. Guanine Nucleotides 0-18 Rac family small GTPase 2 Homo sapiens 41-45 8999801-3 1997 The still life (sif) gene encodes a protein homologous to guanine nucleotide exchange factors, which convert Rho-like guanosine triphosphatases (GTPases) from a guanosine diphosphate-bound inactive state to a guanosine triphosphate-bound active state. Guanine Nucleotides 58-76 still life Drosophila melanogaster 4-14 8999801-3 1997 The still life (sif) gene encodes a protein homologous to guanine nucleotide exchange factors, which convert Rho-like guanosine triphosphatases (GTPases) from a guanosine diphosphate-bound inactive state to a guanosine triphosphate-bound active state. Guanine Nucleotides 58-76 still life Drosophila melanogaster 16-19 9012677-3 1997 We have generated and purified such Rac2 mutants and characterized their guanine nucleotide binding properties in vitro. Guanine Nucleotides 73-91 Rac family small GTPase 2 Homo sapiens 36-40 9012677-7 1997 We show that guanine nucleotide exchange by smgGDS is dependent upon intact switch 1 and switch 2 regions in Rac2. Guanine Nucleotides 13-31 Rap1 GTPase-GDP dissociation stimulator 1 Homo sapiens 44-50 9012677-7 1997 We show that guanine nucleotide exchange by smgGDS is dependent upon intact switch 1 and switch 2 regions in Rac2. Guanine Nucleotides 13-31 Rac family small GTPase 2 Homo sapiens 109-113 9193672-2 1997 The 38-kDa substrate was identified as the glycolytic enzyme glyceraldehyde-3-phosphate dehydrogenase (GAPDH), whereas the 50-kDa substrate (BARS-50) was characterized as a novel guanine nucleotide binding protein. Guanine Nucleotides 179-197 C-terminal binding protein 1 Rattus norvegicus 141-148 9570294-8 1997 Recent studies have also identified a novel signaling pathway initiated by the interaction of mammalian Cbl proteins with the SH2 domains of Crk adaptor molecules, which results in Cbl"s linkage with C3G, a guanine nucleotide exchange protein for Rap1 family of small G-proteins. Guanine Nucleotides 207-225 Cbl proto-oncogene Homo sapiens 104-107 9570294-8 1997 Recent studies have also identified a novel signaling pathway initiated by the interaction of mammalian Cbl proteins with the SH2 domains of Crk adaptor molecules, which results in Cbl"s linkage with C3G, a guanine nucleotide exchange protein for Rap1 family of small G-proteins. Guanine Nucleotides 207-225 CRK proto-oncogene, adaptor protein Homo sapiens 141-144 9570294-8 1997 Recent studies have also identified a novel signaling pathway initiated by the interaction of mammalian Cbl proteins with the SH2 domains of Crk adaptor molecules, which results in Cbl"s linkage with C3G, a guanine nucleotide exchange protein for Rap1 family of small G-proteins. Guanine Nucleotides 207-225 RAP1A, member of RAS oncogene family Homo sapiens 247-251 9570294-8 1997 Recent studies have also identified a novel signaling pathway initiated by the interaction of mammalian Cbl proteins with the SH2 domains of Crk adaptor molecules, which results in Cbl"s linkage with C3G, a guanine nucleotide exchange protein for Rap1 family of small G-proteins. Guanine Nucleotides 207-225 Cbl proto-oncogene Homo sapiens 181-184 9570294-8 1997 Recent studies have also identified a novel signaling pathway initiated by the interaction of mammalian Cbl proteins with the SH2 domains of Crk adaptor molecules, which results in Cbl"s linkage with C3G, a guanine nucleotide exchange protein for Rap1 family of small G-proteins. Guanine Nucleotides 207-225 Rap guanine nucleotide exchange factor 1 Homo sapiens 200-203 9000132-3 1996 One mechanism by which BCR-ABL signals in cells is by activating the small guanine nucleotide binding protein Ras. Guanine Nucleotides 75-93 ABL proto-oncogene 1, non-receptor tyrosine kinase Homo sapiens 23-30 9622053-5 1997 Thus, the output from Crk depends on the SH3-binding proteins, which include the C3G guanine nucleotide exchange protein for Rap1, Abl tyrosine kinase, DOCK180, and the Sos guanine nucleotide exchange protein for Ras. Guanine Nucleotides 85-103 CRK proto-oncogene, adaptor protein Homo sapiens 22-25 9622053-5 1997 Thus, the output from Crk depends on the SH3-binding proteins, which include the C3G guanine nucleotide exchange protein for Rap1, Abl tyrosine kinase, DOCK180, and the Sos guanine nucleotide exchange protein for Ras. Guanine Nucleotides 85-103 Rap guanine nucleotide exchange factor 1 Homo sapiens 81-84 9622053-5 1997 Thus, the output from Crk depends on the SH3-binding proteins, which include the C3G guanine nucleotide exchange protein for Rap1, Abl tyrosine kinase, DOCK180, and the Sos guanine nucleotide exchange protein for Ras. Guanine Nucleotides 85-103 RAP1A, member of RAS oncogene family Homo sapiens 125-129 9622053-5 1997 Thus, the output from Crk depends on the SH3-binding proteins, which include the C3G guanine nucleotide exchange protein for Rap1, Abl tyrosine kinase, DOCK180, and the Sos guanine nucleotide exchange protein for Ras. Guanine Nucleotides 173-191 CRK proto-oncogene, adaptor protein Homo sapiens 22-25 9121352-1 1997 The role of small molecular weight guanine nucleotide-binding proteins (G proteins) of the Rho family in muscarinic acetylcholine receptor (mAChR) signaling to phospholipase C (PLC) and phospholipase D (PLD) was studied in human embryonic kidney (HEK) cells, stably expressing the human m3 receptor subtype. Guanine Nucleotides 35-53 glycosylphosphatidylinositol specific phospholipase D1 Homo sapiens 186-201 9121352-1 1997 The role of small molecular weight guanine nucleotide-binding proteins (G proteins) of the Rho family in muscarinic acetylcholine receptor (mAChR) signaling to phospholipase C (PLC) and phospholipase D (PLD) was studied in human embryonic kidney (HEK) cells, stably expressing the human m3 receptor subtype. Guanine Nucleotides 35-53 glycosylphosphatidylinositol specific phospholipase D1 Homo sapiens 203-206 9210178-6 1997 Our data are consistent with guanine nucleotide binding protein regulation of NPFF receptors positively coupled to adenylate cyclase. Guanine Nucleotides 29-47 neuropeptide FF-amide peptide precursor Mus musculus 78-82 8955135-3 1996 Tyrosine phosphorylation led to the association of BCR with the RAS guanine nucleotide exchange complex GRB2-SOS in vivo via the GRB2 SH2 domain, linking BCR to RAS signaling (Maru, Y., Peters, K. L., Afar, D. E. H., Shibuya, M., Witte, O. N., and Smithgall, T. E. (1995) Mol. Guanine Nucleotides 68-86 BCR activator of RhoGEF and GTPase Homo sapiens 51-54 8955135-3 1996 Tyrosine phosphorylation led to the association of BCR with the RAS guanine nucleotide exchange complex GRB2-SOS in vivo via the GRB2 SH2 domain, linking BCR to RAS signaling (Maru, Y., Peters, K. L., Afar, D. E. H., Shibuya, M., Witte, O. N., and Smithgall, T. E. (1995) Mol. Guanine Nucleotides 68-86 growth factor receptor bound protein 2 Homo sapiens 104-108 8955135-3 1996 Tyrosine phosphorylation led to the association of BCR with the RAS guanine nucleotide exchange complex GRB2-SOS in vivo via the GRB2 SH2 domain, linking BCR to RAS signaling (Maru, Y., Peters, K. L., Afar, D. E. H., Shibuya, M., Witte, O. N., and Smithgall, T. E. (1995) Mol. Guanine Nucleotides 68-86 xylosyltransferase 2 Homo sapiens 109-112 8955135-3 1996 Tyrosine phosphorylation led to the association of BCR with the RAS guanine nucleotide exchange complex GRB2-SOS in vivo via the GRB2 SH2 domain, linking BCR to RAS signaling (Maru, Y., Peters, K. L., Afar, D. E. H., Shibuya, M., Witte, O. N., and Smithgall, T. E. (1995) Mol. Guanine Nucleotides 68-86 growth factor receptor bound protein 2 Homo sapiens 129-133 8955135-3 1996 Tyrosine phosphorylation led to the association of BCR with the RAS guanine nucleotide exchange complex GRB2-SOS in vivo via the GRB2 SH2 domain, linking BCR to RAS signaling (Maru, Y., Peters, K. L., Afar, D. E. H., Shibuya, M., Witte, O. N., and Smithgall, T. E. (1995) Mol. Guanine Nucleotides 68-86 BCR activator of RhoGEF and GTPase Homo sapiens 154-157 8997256-10 1996 We suggest that, under normoxic conditions, signal transduction via heterotrimeric guanine nucleotide binding proteins regulates the expression of Mn-SOD at the level of translation and Mn-SOD degradation. Guanine Nucleotides 83-101 superoxide dismutase 2 Rattus norvegicus 147-153 8945477-4 1996 Here we identify a protein (Gea1) from Saccharomyces cerevisiae that is a component of a complex possessing guanine-nucleotide-exchange activity for ARF. Guanine Nucleotides 108-126 Arf family guanine nucleotide exchange factor GEA1 Saccharomyces cerevisiae S288C 28-32 8997256-10 1996 We suggest that, under normoxic conditions, signal transduction via heterotrimeric guanine nucleotide binding proteins regulates the expression of Mn-SOD at the level of translation and Mn-SOD degradation. Guanine Nucleotides 83-101 superoxide dismutase 2 Rattus norvegicus 186-192 9115849-8 1996 This inhibition results in reduced guanine nucleotide exchange in p21ras. Guanine Nucleotides 35-53 HRas proto-oncogene, GTPase Homo sapiens 66-72 8946960-1 1996 Association reactions of a recombinant CFTR-NBF-2 polypeptide fused to glutathione S-transferase with guanine nucleotides were monitored quantitatively by recording the fluorescence enhancement of excited trinitrophenol (TNP)-labelled GTP after binding to NBF-2. Guanine Nucleotides 102-121 CF transmembrane conductance regulator Homo sapiens 39-43 8910277-1 1996 The RAC guanine nucleotide binding proteins regulate multiple biological activities, including actin polymerization, activation of the Jun kinase (JNK) cascade, and cell proliferation. Guanine Nucleotides 8-26 mitogen-activated protein kinase 9 Homo sapiens 135-145 8910277-1 1996 The RAC guanine nucleotide binding proteins regulate multiple biological activities, including actin polymerization, activation of the Jun kinase (JNK) cascade, and cell proliferation. Guanine Nucleotides 8-26 mitogen-activated protein kinase 9 Homo sapiens 147-150 8972906-1 1996 The IRG-47 gene is the prototype for a new family of genes encoding guanine nucleotide binding proteins (G-proteins) which are selectively induced in different cell lineages in response to activation signals. Guanine Nucleotides 68-86 interferon gamma inducible protein 47 Mus musculus 4-10 8950985-4 1996 In addition, the sensitivity of H-Ras to GRF was abolished when residues 130-139 were replaced by proline-aspartic acid-glutamine, whereas substitution of the entire loop 8 (residues 123-130 replaced by leucine-isoleucine-arginine) had no effect on the stimulation of guanine nucleotide release by GRF. Guanine Nucleotides 268-286 HRas proto-oncogene, GTPase Homo sapiens 32-37 8950985-4 1996 In addition, the sensitivity of H-Ras to GRF was abolished when residues 130-139 were replaced by proline-aspartic acid-glutamine, whereas substitution of the entire loop 8 (residues 123-130 replaced by leucine-isoleucine-arginine) had no effect on the stimulation of guanine nucleotide release by GRF. Guanine Nucleotides 268-286 growth hormone releasing hormone Homo sapiens 41-44 8910430-7 1996 Incubation of rod outer segment membranes with the nonhydrolyzable guanine nucleotide, GTPgammaS (guanosine 5"-3-O-(thio)triphosphate), which released the Gbeta subunit of transducin (Gbeta1), failed to remove Gbeta5L. Guanine Nucleotides 67-85 guanine nucleotide binding protein, alpha transducing 1 Mus musculus 172-182 8910430-7 1996 Incubation of rod outer segment membranes with the nonhydrolyzable guanine nucleotide, GTPgammaS (guanosine 5"-3-O-(thio)triphosphate), which released the Gbeta subunit of transducin (Gbeta1), failed to remove Gbeta5L. Guanine Nucleotides 67-85 guanine nucleotide binding protein (G protein), beta 5 Mus musculus 210-217 8922375-8 1996 Vesicles bound coatomer in a physiological fashion requiring an ARF1-guanine nucleotide exchange activity. Guanine Nucleotides 69-87 ADP ribosylation factor 1 Homo sapiens 64-68 8910562-0 1996 A guanine nucleotide-independent inwardly rectifying cation permeability is associated with P2Y1 receptor expression in Xenopus oocytes. Guanine Nucleotides 2-20 purinergic receptor P2Y1 Homo sapiens 92-105 8930393-2 1996 Because the Src homology 3 domain of v-Crk is capable of binding the Ras family guanine nucleotide exchange factors Sos and C3G, the contribution of cellular Ras to signaling by v-Crk was evaluated. Guanine Nucleotides 80-98 v-crk avian sarcoma virus CT10 oncogene homolog Mus musculus 39-42 8887687-3 1996 p21(ras), a guanine nucleotide binding factor, mediates T-cell signal transduction through PKC-dependent and PKC-independent pathways. Guanine Nucleotides 12-30 H3 histone pseudogene 16 Homo sapiens 0-3 8887643-4 1996 First, we determined that Ras guanine nucleotide exchange factors (SOS1 and RasGRF/CDC25) synergistically enhanced wild-type TC21 activity in vivo and that Ras GTPase-activating proteins (GAPs; p120-GAP and NF1-GAP) stimulated wild-type TC21 GTP hydrolysis in vitro. Guanine Nucleotides 30-48 SOS Ras/Rac guanine nucleotide exchange factor 1 Mus musculus 67-71 8887643-4 1996 First, we determined that Ras guanine nucleotide exchange factors (SOS1 and RasGRF/CDC25) synergistically enhanced wild-type TC21 activity in vivo and that Ras GTPase-activating proteins (GAPs; p120-GAP and NF1-GAP) stimulated wild-type TC21 GTP hydrolysis in vitro. Guanine Nucleotides 30-48 cell division cycle 25C Mus musculus 83-88 8887643-4 1996 First, we determined that Ras guanine nucleotide exchange factors (SOS1 and RasGRF/CDC25) synergistically enhanced wild-type TC21 activity in vivo and that Ras GTPase-activating proteins (GAPs; p120-GAP and NF1-GAP) stimulated wild-type TC21 GTP hydrolysis in vitro. Guanine Nucleotides 30-48 related RAS viral (r-ras) oncogene 2 Mus musculus 125-129 8887643-4 1996 First, we determined that Ras guanine nucleotide exchange factors (SOS1 and RasGRF/CDC25) synergistically enhanced wild-type TC21 activity in vivo and that Ras GTPase-activating proteins (GAPs; p120-GAP and NF1-GAP) stimulated wild-type TC21 GTP hydrolysis in vitro. Guanine Nucleotides 30-48 related RAS viral (r-ras) oncogene 2 Mus musculus 237-241 8887687-3 1996 p21(ras), a guanine nucleotide binding factor, mediates T-cell signal transduction through PKC-dependent and PKC-independent pathways. Guanine Nucleotides 12-30 proline rich transmembrane protein 2 Homo sapiens 91-94 8887687-3 1996 p21(ras), a guanine nucleotide binding factor, mediates T-cell signal transduction through PKC-dependent and PKC-independent pathways. Guanine Nucleotides 12-30 proline rich transmembrane protein 2 Homo sapiens 109-112 8887689-1 1996 Eukaryotic translation initiation factor 2B (eIF2B) is a five-subunit complex that catalyzes guanine nucleotide exchange on eIF2. Guanine Nucleotides 93-111 eukaryotic translation initiation factor 2B subunit alpha Homo sapiens 0-43 8887689-1 1996 Eukaryotic translation initiation factor 2B (eIF2B) is a five-subunit complex that catalyzes guanine nucleotide exchange on eIF2. Guanine Nucleotides 93-111 eukaryotic translation initiation factor 2B subunit alpha Homo sapiens 45-50 8887689-1 1996 Eukaryotic translation initiation factor 2B (eIF2B) is a five-subunit complex that catalyzes guanine nucleotide exchange on eIF2. Guanine Nucleotides 93-111 eukaryotic translation initiation factor 2 subunit beta Homo sapiens 45-49 8810926-1 1996 As a molecular switch, the ras protein p21 undergoes structural changes that couple recognition sites on the protein surface to the guanine nucleotide-divalent metal ion binding site. Guanine Nucleotides 132-150 H3 histone pseudogene 16 Homo sapiens 39-42 8874220-0 1996 Recombinant human eotaxin induces oxygen radical production, Ca(2+)-mobilization, actin reorganization, and CD11b upregulation in human eosinophils via a pertussis toxin-sensitive heterotrimeric guanine nucleotide-binding protein. Guanine Nucleotides 195-213 C-C motif chemokine ligand 11 Homo sapiens 18-25 8874220-8 1996 Call responses elicited by Eotaxin were inhibited by pertussis toxin, indicating coupling of its putative receptor to heterotrimeric guanine nucleotide-binding proteins. Guanine Nucleotides 133-151 C-C motif chemokine ligand 11 Homo sapiens 27-34 8798610-0 1996 Phosphatidylinositol 4,5-bisphosphate provides an alternative to guanine nucleotide exchange factors by stimulating the dissociation of GDP from Cdc42Hs. Guanine Nucleotides 65-83 cell division cycle 42 Homo sapiens 145-152 8798610-6 1996 PIP2, when incorporated into phosphatidylcholine carrier vesicles, binds tightly to the guanine nucleotide-depleted form of Cdc42Hs and weakly to the GDP-bound form of the GTP-binding protein but does not bind to GTP-bound Cdc42Hs, similar to what was observed for the Dbl oncoprotein. Guanine Nucleotides 88-106 cell division cycle 42 Homo sapiens 124-131 8810926-4 1996 We report high frequency (139.5 GHz) EPR spectroscopy of p21.Mn(II) complexes of two guanine nucleotides that probes the link between threonine-35 and the divalent metal ion. Guanine Nucleotides 85-104 H3 histone pseudogene 16 Homo sapiens 57-60 8836150-2 1996 We now show that the ability of a Rab1B mutant [Q67L (Gln-67-->Leu)] with reduced intrinsic GTPase activity to undergo geranylgeranylation in cell-free assays depends on the guanine nucleotide composition of the system. Guanine Nucleotides 177-195 RAB1B, member RAS oncogene family Homo sapiens 34-39 15299618-0 1996 Crystallization and preliminary crystallographic analysis of the Ras binding domain of RalGDS, a guanine nucleotide dissociation stimulator of the Ral protein. Guanine Nucleotides 97-115 ral guanine nucleotide dissociation stimulator Homo sapiens 87-93 8808695-6 1996 Several amino acid substitutions that reduce the affinity of RAS2 for guanine nucleotides apparently elevate the fraction of nucleotide-free RAS2, which has greater CDC25 affinity. Guanine Nucleotides 70-89 Ras family GTPase RAS2 Saccharomyces cerevisiae S288C 61-65 8808695-6 1996 Several amino acid substitutions that reduce the affinity of RAS2 for guanine nucleotides apparently elevate the fraction of nucleotide-free RAS2, which has greater CDC25 affinity. Guanine Nucleotides 70-89 Ras family GTPase RAS2 Saccharomyces cerevisiae S288C 141-145 8808695-6 1996 Several amino acid substitutions that reduce the affinity of RAS2 for guanine nucleotides apparently elevate the fraction of nucleotide-free RAS2, which has greater CDC25 affinity. Guanine Nucleotides 70-89 Ras family guanine nucleotide exchange factor CDC25 Saccharomyces cerevisiae S288C 165-170 8702968-4 1996 Another cytosolic protein, with an apparent molecular mass of 175 kDa (p175), was also found to interact with Cdc42, but this association showed less dependence on guanine nucleotides. Guanine Nucleotides 164-183 cell division cycle 42 Homo sapiens 110-115 15299618-0 1996 Crystallization and preliminary crystallographic analysis of the Ras binding domain of RalGDS, a guanine nucleotide dissociation stimulator of the Ral protein. Guanine Nucleotides 97-115 RAS like proto-oncogene A Homo sapiens 87-90 15299618-1 1996 The RalGDS is a guanine nucleotide dissociation stimulator which activates the Ral protein, a Ras-like small GTPase. Guanine Nucleotides 16-34 ral guanine nucleotide dissociation stimulator Homo sapiens 4-10 15299618-1 1996 The RalGDS is a guanine nucleotide dissociation stimulator which activates the Ral protein, a Ras-like small GTPase. Guanine Nucleotides 16-34 RAS like proto-oncogene A Homo sapiens 4-7 8794903-6 1996 Guanine nucleotides and an anti-G alpha i3 antiserum suppressed formation of the VIP/receptor/Gi3 ternary complex, demonstrating its functional nature in native lung membranes. Guanine Nucleotides 0-19 vasoactive intestinal peptide Rattus norvegicus 81-84 8812454-1 1996 The gene for alpha-stimulating guanine-nucleotide binding polypeptide, Gnas, has been considered as a candidate for the imprinting effects ascribed to distal mouse Chromosome (Chr) 2. Guanine Nucleotides 31-49 GNAS (guanine nucleotide binding protein, alpha stimulating) complex locus Mus musculus 71-75 8886981-1 1996 In order to identify a protein interacting with RCC1, a guanine nucleotide-exchange factor for the nuclear GTPase Ran, we isolated a series of cold-sensitive suppressors of mtr1-2, a temperature-sensitive mutant of the Saccharomyces cerevisiae RCC1 homologue. Guanine Nucleotides 56-74 Ran guanyl-nucleotide exchange factor Saccharomyces cerevisiae S288C 173-179 8898393-1 1996 The specialized translation factor SelB forms a quaternary complex in vitro with selenocysteyl-tRNA(Sec), the selenoprotein mRNA and guanine nucleotides. Guanine Nucleotides 133-152 eukaryotic elongation factor, selenocysteine-tRNA specific Homo sapiens 35-39 8861955-0 1996 p619, a giant protein related to the chromosome condensation regulator RCC1, stimulates guanine nucleotide exchange on ARF1 and Rab proteins. Guanine Nucleotides 88-106 HECT and RLD domain containing E3 ubiquitin protein ligase family member 1 Homo sapiens 0-4 8861955-0 1996 p619, a giant protein related to the chromosome condensation regulator RCC1, stimulates guanine nucleotide exchange on ARF1 and Rab proteins. Guanine Nucleotides 88-106 regulator of chromosome condensation 1 Homo sapiens 71-75 8861955-0 1996 p619, a giant protein related to the chromosome condensation regulator RCC1, stimulates guanine nucleotide exchange on ARF1 and Rab proteins. Guanine Nucleotides 88-106 ADP ribosylation factor 1 Homo sapiens 119-123 8861955-8 1996 Moreover, the second RCC1-like motif located at the amino-terminus of p619 stimulates guanine nucleotide exchange on ARF1 and on members of the related Rab proteins, but not on other small GTP binding proteins such as Ran or R-Ras2/TC21. Guanine Nucleotides 86-104 regulator of chromosome condensation 1 Homo sapiens 21-25 8861955-8 1996 Moreover, the second RCC1-like motif located at the amino-terminus of p619 stimulates guanine nucleotide exchange on ARF1 and on members of the related Rab proteins, but not on other small GTP binding proteins such as Ran or R-Ras2/TC21. Guanine Nucleotides 86-104 HECT and RLD domain containing E3 ubiquitin protein ligase family member 1 Homo sapiens 70-74 8861955-8 1996 Moreover, the second RCC1-like motif located at the amino-terminus of p619 stimulates guanine nucleotide exchange on ARF1 and on members of the related Rab proteins, but not on other small GTP binding proteins such as Ran or R-Ras2/TC21. Guanine Nucleotides 86-104 ADP ribosylation factor 1 Homo sapiens 117-121 8861955-8 1996 Moreover, the second RCC1-like motif located at the amino-terminus of p619 stimulates guanine nucleotide exchange on ARF1 and on members of the related Rab proteins, but not on other small GTP binding proteins such as Ran or R-Ras2/TC21. Guanine Nucleotides 86-104 RAS related 2 Homo sapiens 232-236 8702517-0 1996 Expression cloning of lsc, a novel oncogene with structural similarities to the Dbl family of guanine nucleotide exchange factors. Guanine Nucleotides 94-112 mcf.2 transforming sequence Mus musculus 80-83 8702517-4 1996 This region includes the tandem Dbl homology and pleckstrin homology domains that are hallmarks of the Dbl-like proteins, a family of presumptive or demonstrated guanine nucleotide exchange factors that act on Rho family GTPases. Guanine Nucleotides 162-180 mcf.2 transforming sequence Mus musculus 32-35 8702517-4 1996 This region includes the tandem Dbl homology and pleckstrin homology domains that are hallmarks of the Dbl-like proteins, a family of presumptive or demonstrated guanine nucleotide exchange factors that act on Rho family GTPases. Guanine Nucleotides 162-180 mcf.2 transforming sequence Mus musculus 103-106 8754839-2 1996 To identify genes whose functions are linked to CDC42, we screened for (i) multicopy suppressors of a Ts- cdc42 mutant, (ii) mutants that require multiple copies of CDC42 for survival, and (iii) mutations that display synthetic lethality with a partial-loss-of-function allele of CDC24, which encodes a guanine nucleotide exchange factor for Cdc42p. Guanine Nucleotides 303-321 Rho family GTPase CDC42 Saccharomyces cerevisiae S288C 48-53 8702569-1 1996 The pleckstrin homology (PH) domain is an approximately 100 amino acid structural motif found in many cellular signaling molecules, including the Dbl oncoprotein and related, putative guanine nucleotide exchange factors (GEFs). Guanine Nucleotides 184-202 MCF.2 cell line derived transforming sequence Homo sapiens 146-149 8841984-10 1996 Several cell lines expressed mRNA for OMP, a marker of mature olfactory sensory neurons, and GOLF, a guanine nucleotide binding protein involved in olfactory sensory transduction. Guanine Nucleotides 101-119 guanine nucleotide binding protein, alpha stimulating, olfactory type Mus musculus 93-97 8700143-3 1996 A dimer of peptides from the carboxyl-terminal (i3c) and amino-terminal (i3n) regions of the alpha 2A-adrenergic receptor is most potent in stimulating guanine-nucleotide exchange of any peptides studied. Guanine Nucleotides 152-170 alpha-2A adrenergic receptor Cricetulus griseus 93-121 8760286-3 1996 Interestingly, DH domains are frequently found in guanine nucleotide-exchange factors for small GTP-binding proteins of the Ras and Rho families, and it has been recently shown that, whereas Ras controls the activation of mitogen activated kinases (MAPKs), two members of the Rho family of small GTPases, Rac 1 and Cdc42, regulate activity of stress activated protein kinases (SAPKs), also termed c-jun N-terminal kinases (JNKs). Guanine Nucleotides 50-68 Rac family small GTPase 1 Homo sapiens 305-310 8760286-3 1996 Interestingly, DH domains are frequently found in guanine nucleotide-exchange factors for small GTP-binding proteins of the Ras and Rho families, and it has been recently shown that, whereas Ras controls the activation of mitogen activated kinases (MAPKs), two members of the Rho family of small GTPases, Rac 1 and Cdc42, regulate activity of stress activated protein kinases (SAPKs), also termed c-jun N-terminal kinases (JNKs). Guanine Nucleotides 50-68 cell division cycle 42 Homo sapiens 315-320 8755667-5 1996 CDC42 undergoes a guanine nucleotide-specific membrane association and carboxyl methylation in normal rat islets, human islets, and pure beta (HIT or INS-1) cells. Guanine Nucleotides 18-36 cell division cycle 42 Rattus norvegicus 0-5 8755667-5 1996 CDC42 undergoes a guanine nucleotide-specific membrane association and carboxyl methylation in normal rat islets, human islets, and pure beta (HIT or INS-1) cells. Guanine Nucleotides 18-36 insulin 1 Rattus norvegicus 150-155 8806475-11 1996 Following cloning and sequencing, F5 was found to display significant homology to the gene sequence of the guanine nucleotide releasing protein MSS4. Guanine Nucleotides 107-125 RAB interacting factor Rattus norvegicus 144-148 8812617-10 1996 Following cloning and sequencing, F5 was found to display significant homology to the gene sequence of the guanine nucleotide releasing protein MSS4. Guanine Nucleotides 107-125 RAB interacting factor Rattus norvegicus 144-148 8663295-1 1996 Desensitization of p21(ras) after stimulation of cells by growth factors and phorbol 12-myristate 13-acetate (PMA) correlates with hyperphosphorylation of the guanine nucleotide exchange factor Son-of-sevenless (Sos) and its dissociation from the adaptor protein Grb2 (Cherniack, A., Klarlund, J. K., Conway, B. R., and Czech, M. P. (1995) J. Biol. Guanine Nucleotides 159-177 H3 histone pseudogene 16 Homo sapiens 19-22 8663295-1 1996 Desensitization of p21(ras) after stimulation of cells by growth factors and phorbol 12-myristate 13-acetate (PMA) correlates with hyperphosphorylation of the guanine nucleotide exchange factor Son-of-sevenless (Sos) and its dissociation from the adaptor protein Grb2 (Cherniack, A., Klarlund, J. K., Conway, B. R., and Czech, M. P. (1995) J. Biol. Guanine Nucleotides 159-177 growth factor receptor bound protein 2 Homo sapiens 263-267 8663585-0 1996 A role for the Ral guanine nucleotide dissociation stimulator in mediating Ras-induced transformation. Guanine Nucleotides 19-37 v-ral simian leukemia viral oncogene A (ras related) Mus musculus 15-18 8688467-1 1996 Eukaryotic initiation factor-2B (eIF-2B) is a guanine nucleotide-exchange protein involved in the recycling of eIF-2 during peptide-chain initiation. Guanine Nucleotides 46-64 eukaryotic translation initiation factor 2B subunit delta Rattus norvegicus 0-31 8864848-2 1996 These RCC1 mutants were analyzed for the ability to inhibit premature chromatin condensation by microinjection into tsBN2 cells, and their steady-state kinetic parameters for guanine nucleotide exchange reaction were measured. Guanine Nucleotides 175-193 regulator of chromosome condensation Mesocricetus auratus 6-10 8688467-1 1996 Eukaryotic initiation factor-2B (eIF-2B) is a guanine nucleotide-exchange protein involved in the recycling of eIF-2 during peptide-chain initiation. Guanine Nucleotides 46-64 eukaryotic translation initiation factor 2B subunit delta Rattus norvegicus 33-39 8688467-8 1996 Examination of the derived amino acid sequence of rat eIF-2B epsilon reveals phosphorylation site motifs for several protein kinases which have been implicated in regulation of guanine nucleotide exchange activity. Guanine Nucleotides 177-195 eukaryotic translation initiation factor 2B subunit delta Rattus norvegicus 54-60 8864848-6 1996 These steady-state kinetic parameters of mutants indicate that the N-terminus and the C-terminus of RCC1 repeats play different roles in guanine nucleotide exchange on Ran. Guanine Nucleotides 137-155 regulator of chromosome condensation Mesocricetus auratus 100-104 8864848-6 1996 These steady-state kinetic parameters of mutants indicate that the N-terminus and the C-terminus of RCC1 repeats play different roles in guanine nucleotide exchange on Ran. Guanine Nucleotides 137-155 GTP-binding nuclear protein Ran Mesocricetus auratus 168-171 8864848-7 1996 The comparison of kcat among the histidine mutants suggests that those histidine residues which are conserved in the RCC1 repeats and also through evolution comprise the catalytic site for the guanine nucleotide exchange reaction. Guanine Nucleotides 193-211 regulator of chromosome condensation Mesocricetus auratus 117-121 8799832-1 1996 The nuclear protein regulator of chromosome condensation 1 (RCC1) stimulates guanine nucleotide exchange on a protein, Ran, that is required for nuclear protein import. Guanine Nucleotides 77-95 regulator of chromosome condensation Mesocricetus auratus 60-64 8663347-1 1996 RCC1 is a guanine nucleotide exchanging factor acting on nuclear G protein Ran. Guanine Nucleotides 10-28 regulator of chromosome condensation Mesocricetus auratus 0-4 8663347-1 1996 RCC1 is a guanine nucleotide exchanging factor acting on nuclear G protein Ran. Guanine Nucleotides 10-28 GTP-binding nuclear protein Ran Mesocricetus auratus 75-78 8663347-6 1996 In order to clarify this point, we have microinjected nucleotide-bound Ran, instead of mutated Ran, into the nuclei of tsBN2 cells treated to reduce RCC1-mediated guanine nucleotide exchange. Guanine Nucleotides 163-181 GTP-binding nuclear protein Ran Mesocricetus auratus 71-74 8663347-6 1996 In order to clarify this point, we have microinjected nucleotide-bound Ran, instead of mutated Ran, into the nuclei of tsBN2 cells treated to reduce RCC1-mediated guanine nucleotide exchange. Guanine Nucleotides 163-181 regulator of chromosome condensation Mesocricetus auratus 149-153 24178472-9 1996 This diphosphate has been shown to be the proximate effector binding to eIF-2B, the guanine nucleotide exchange factor (Singh, L. P. Arror, A. R. and Wahba, A. J. Guanine Nucleotides 84-102 eukaryotic translation initiation factor 2B subunit delta Homo sapiens 72-78 8725179-3 1996 For the beta 2-adrenergic receptor (beta 2AR) system, which is coupled to adenylyl cyclase via the stimulatory guanine nucleotide-binding regulatory (G5) protein, homologous desensitization is mediated in part by a receptor-specific kinase (beta ARK) and a soluble cofactor (beta-arrestin). Guanine Nucleotides 111-129 adrenoceptor beta 2 Rattus norvegicus 8-34 8725179-3 1996 For the beta 2-adrenergic receptor (beta 2AR) system, which is coupled to adenylyl cyclase via the stimulatory guanine nucleotide-binding regulatory (G5) protein, homologous desensitization is mediated in part by a receptor-specific kinase (beta ARK) and a soluble cofactor (beta-arrestin). Guanine Nucleotides 111-129 adrenoceptor beta 2 Rattus norvegicus 36-44 8799832-1 1996 The nuclear protein regulator of chromosome condensation 1 (RCC1) stimulates guanine nucleotide exchange on a protein, Ran, that is required for nuclear protein import. Guanine Nucleotides 77-95 GTP-binding nuclear protein Ran Mesocricetus auratus 119-122 8967472-4 1996 The sensitivity of 125I-ANG II binding to AT1a and AT1b receptors to guanine nucleotides was unaffected by pertussis toxin treatment. Guanine Nucleotides 69-88 angiotensinogen Rattus norvegicus 24-30 8681425-4 1996 Guanine nucleotides also stimulate PLD in platelet membranes. Guanine Nucleotides 0-19 glycosylphosphatidylinositol specific phospholipase D1 Homo sapiens 35-38 8967472-4 1996 The sensitivity of 125I-ANG II binding to AT1a and AT1b receptors to guanine nucleotides was unaffected by pertussis toxin treatment. Guanine Nucleotides 69-88 angiotensin II receptor, type 1a Rattus norvegicus 42-46 8967472-4 1996 The sensitivity of 125I-ANG II binding to AT1a and AT1b receptors to guanine nucleotides was unaffected by pertussis toxin treatment. Guanine Nucleotides 69-88 angiotensin II receptor, type 1b Rattus norvegicus 51-55 8647113-2 1996 The cDNA is homologous to EF-1 delta 1 encoding for EF-1 delta a protein of the guanine-nucleotide exchange complex of elongation factor-1 (EF-1). Guanine Nucleotides 80-98 eukaryotic translation elongation factor 1 delta (guanine nucleotide exchange protein) S homeolog Xenopus laevis 26-36 8647113-2 1996 The cDNA is homologous to EF-1 delta 1 encoding for EF-1 delta a protein of the guanine-nucleotide exchange complex of elongation factor-1 (EF-1). Guanine Nucleotides 80-98 eukaryotic translation elongation factor 1 delta (guanine nucleotide exchange protein) S homeolog Xenopus laevis 52-62 8647113-3 1996 The protein sequence deduced from the cDNA, contains the two characteristic features of EF-1 delta protein, the leucine-zipper domain and the guanine-nucleotide exchange domain. Guanine Nucleotides 142-160 eukaryotic translation elongation factor 1 delta (guanine nucleotide exchange protein) S homeolog Xenopus laevis 88-98 8636235-5 1996 The complex copurifies with one molecule of bound guanine nucleotide per septin polypeptide. Guanine Nucleotides 50-68 Septin 1 Drosophila melanogaster 73-79 8724692-6 1996 The presence of a putative guanine nucleotide exchange domain, the prototype of which is found in the dbl oncogene product, implies that Vav functions as a guanine nucleotide exchange factor (GEF) for one (or more) members of the Ras-like family of small GTP-binding proteins. Guanine Nucleotides 27-45 MCF.2 cell line derived transforming sequence Homo sapiens 102-105 8743958-6 1996 In human fibroblasts, the guanine nucleotide exchange part of EF-1, EF-1 beta gamma delta, was found to co-localize with the endoplasmic reticulum (ER), displaying a distinct fine-structure in its staining pattern. Guanine Nucleotides 26-44 eukaryotic translation elongation factor 1 beta 2 Homo sapiens 68-77 8743958-7 1996 The guanine nucleotide-binding subunit of EF-1, EF-1 alpha, shows a more diffuse distribution throughout the cytoplasm and is, in addition, associated with the nucleus. Guanine Nucleotides 4-22 eukaryotic translation elongation factor 1 alpha 2 Homo sapiens 48-58 8724692-6 1996 The presence of a putative guanine nucleotide exchange domain, the prototype of which is found in the dbl oncogene product, implies that Vav functions as a guanine nucleotide exchange factor (GEF) for one (or more) members of the Ras-like family of small GTP-binding proteins. Guanine Nucleotides 27-45 vav guanine nucleotide exchange factor 1 Homo sapiens 137-140 8724692-6 1996 The presence of a putative guanine nucleotide exchange domain, the prototype of which is found in the dbl oncogene product, implies that Vav functions as a guanine nucleotide exchange factor (GEF) for one (or more) members of the Ras-like family of small GTP-binding proteins. Guanine Nucleotides 27-45 Ras protein specific guanine nucleotide releasing factor 1 Homo sapiens 156-190 8724692-6 1996 The presence of a putative guanine nucleotide exchange domain, the prototype of which is found in the dbl oncogene product, implies that Vav functions as a guanine nucleotide exchange factor (GEF) for one (or more) members of the Ras-like family of small GTP-binding proteins. Guanine Nucleotides 27-45 Ras protein specific guanine nucleotide releasing factor 1 Homo sapiens 192-195 8605211-8 1996 Taken together, these results identify a conformationally sensitive reporter site on the Cdc42Hs molecule that is located some distance away from the guanine nucleotide binding site but nonetheless provides a highly sensitive monitor for GTP-binding, GTPase activity, and the interactions of key regulatory proteins. Guanine Nucleotides 150-168 cell division cycle 42 Homo sapiens 89-96 8621595-3 1996 A second protein that interacts with p120Ras-GAP is P190Rac-GAP, which activates the GTPase of guanine nucleotide-binding proteins of the Rho family (including Rac1 and Rac2). Guanine Nucleotides 95-113 RAS p21 protein activator 1 Homo sapiens 37-48 8621595-3 1996 A second protein that interacts with p120Ras-GAP is P190Rac-GAP, which activates the GTPase of guanine nucleotide-binding proteins of the Rho family (including Rac1 and Rac2). Guanine Nucleotides 95-113 Rac family small GTPase 1 Homo sapiens 160-164 8621595-3 1996 A second protein that interacts with p120Ras-GAP is P190Rac-GAP, which activates the GTPase of guanine nucleotide-binding proteins of the Rho family (including Rac1 and Rac2). Guanine Nucleotides 95-113 Rac family small GTPase 2 Homo sapiens 169-173 8621516-3 1996 The alpha subunit of Gs (Gsalpha) has a guanine nucleotide binding site, and activation occurs when tightly bound GDP is displaced by GTP. Guanine Nucleotides 40-58 GNAS complex locus Homo sapiens 25-32 8611426-4 1996 Meth A cells exposed to SAGP underwent an increase in labelling of the alpha-subunit of an inhibitory guanine nucleotide-binding (Gi) protein in a subsequent IAP-catalysed [32P]ADP ribosylation of the cell membrane fraction. Guanine Nucleotides 102-120 intracisternal A particle, Eya1 linked Mus musculus 158-161 8626543-9 1996 These results suggest the possibility that Cbl may participate in a signaling pathway that regulates guanine nucleotide exchange on small G-proteins in T cells. Guanine Nucleotides 101-119 Cbl proto-oncogene Homo sapiens 43-46 8612578-7 1996 Accordingly, we propose that the glycine-rich motif of KBP forms part of a guanine nucleotide binding site. Guanine Nucleotides 75-93 kinesin family binding protein Homo sapiens 55-58 8791419-2 1996 These putative guanine nucleotide exchange factors for Rho family small GTP-binding proteins (G proteins) all contain a Dbl homology domain in tandem with a pleckstrin homology domain, and seem to activate specific members of the Rho family of proteins to elicit various biological functions in cells. Guanine Nucleotides 15-33 MCF.2 cell line derived transforming sequence Homo sapiens 120-123 8607853-1 1996 Eukaryotic initiation factor (eIF)-2B, the guanine nucleotide exchange factor for eIF-2, consists of five distinct subunits in both mammals and the yeast Saccharomyces cerevisiae. Guanine Nucleotides 43-61 eukaryotic translation initiation factor 2 subunit beta Homo sapiens 82-87 11725090-1 1996 A three-dimensional molecular model of the transmembrane domain of the 5-HT(1A) receptor (5-HT(1A)R) is presented in the context of a general strategy for modeling the macromolecular structure of a guanine nucleotide binding, regulatory protein coupled receptor (GPCR). Guanine Nucleotides 198-216 5-hydroxytryptamine receptor 1A Homo sapiens 71-88 11725090-1 1996 A three-dimensional molecular model of the transmembrane domain of the 5-HT(1A) receptor (5-HT(1A)R) is presented in the context of a general strategy for modeling the macromolecular structure of a guanine nucleotide binding, regulatory protein coupled receptor (GPCR). Guanine Nucleotides 198-216 5-hydroxytryptamine receptor 1A Homo sapiens 71-78 8657152-3 1996 The 135- to 145-kDa protein is C3G, a CRK SH3-binding guanine nucleotide exchange protein. Guanine Nucleotides 54-72 Rap guanine nucleotide exchange factor (GEF) 1 Mus musculus 31-34 8657152-3 1996 The 135- to 145-kDa protein is C3G, a CRK SH3-binding guanine nucleotide exchange protein. Guanine Nucleotides 54-72 v-crk avian sarcoma virus CT10 oncogene homolog Mus musculus 38-41 8636102-5 1996 The interaction between Rap1A and RGF-RBD shows similar characteristics to the Ras-Raf interaction because it is blocked by mutations in the effector region (D38A) and it inhibits the dissociation of guanine nucleotide, which is the basis for the quantitative measurements in this work. Guanine Nucleotides 200-218 RAP1A, member of RAS oncogene family Homo sapiens 24-29 8636102-5 1996 The interaction between Rap1A and RGF-RBD shows similar characteristics to the Ras-Raf interaction because it is blocked by mutations in the effector region (D38A) and it inhibits the dissociation of guanine nucleotide, which is the basis for the quantitative measurements in this work. Guanine Nucleotides 200-218 ral guanine nucleotide dissociation stimulator Homo sapiens 34-37 8636102-5 1996 The interaction between Rap1A and RGF-RBD shows similar characteristics to the Ras-Raf interaction because it is blocked by mutations in the effector region (D38A) and it inhibits the dissociation of guanine nucleotide, which is the basis for the quantitative measurements in this work. Guanine Nucleotides 200-218 zinc fingers and homeoboxes 2 Homo sapiens 83-86 8636102-7 1996 As long as the cellular localizations of the different proteins and their biological functions are not clarified, these biochemical data seem to indicate that Ral-guanine nucleotide exchange factors is an effector molecule of Rap1A rather than of H-Ras. Guanine Nucleotides 163-181 RAS like proto-oncogene A Homo sapiens 159-162 8636102-7 1996 As long as the cellular localizations of the different proteins and their biological functions are not clarified, these biochemical data seem to indicate that Ral-guanine nucleotide exchange factors is an effector molecule of Rap1A rather than of H-Ras. Guanine Nucleotides 163-181 RAP1A, member of RAS oncogene family Homo sapiens 226-231 8636102-7 1996 As long as the cellular localizations of the different proteins and their biological functions are not clarified, these biochemical data seem to indicate that Ral-guanine nucleotide exchange factors is an effector molecule of Rap1A rather than of H-Ras. Guanine Nucleotides 163-181 HRas proto-oncogene, GTPase Homo sapiens 247-252 8619603-2 1996 Phosphorylation of eIF-2alpha impairs the guanine nucleotide exchange activity of eIF-2B and thereby inhibits or shuts off protein synthesis. Guanine Nucleotides 42-60 eukaryotic translation initiation factor 2A Homo sapiens 19-29 8619603-2 1996 Phosphorylation of eIF-2alpha impairs the guanine nucleotide exchange activity of eIF-2B and thereby inhibits or shuts off protein synthesis. Guanine Nucleotides 42-60 eukaryotic translation initiation factor 2B subunit delta Homo sapiens 82-88 8605156-4 1996 The role of guanine nucleotides in the regulation of GCC by adenine nucleotides was examined. Guanine Nucleotides 12-31 guanylate cyclase 2C Homo sapiens 53-56 8605156-8 1996 Guanine nucleotides supported adenine nucleotide inhibition of GCC at low concentrations and directly inhibited this enzyme at high concentrations when these studies were conducted with receptors expressed in Caco-2 cells, native rat intestine, or cloned rat GCC heterologously expressed in 293 monkey kidney cells. Guanine Nucleotides 0-19 guanylate cyclase 2C Homo sapiens 63-66 8605156-8 1996 Guanine nucleotides supported adenine nucleotide inhibition of GCC at low concentrations and directly inhibited this enzyme at high concentrations when these studies were conducted with receptors expressed in Caco-2 cells, native rat intestine, or cloned rat GCC heterologously expressed in 293 monkey kidney cells. Guanine Nucleotides 0-19 guanylate cyclase 2C Rattus norvegicus 259-262 8605156-9 1996 These observations demonstrate that adenine nucleotide inhibition of GCC is mediated through an intracellular mechanism which is guanine nucleotide-dependent. Guanine Nucleotides 129-147 guanylate cyclase 2C Homo sapiens 69-72 8778223-0 1996 Role of guanine nucleotide-binding proteins, Gi alpha 3 and Gs alpha, in dopamine and thyrotropin-releasing hormone signal transduction: evidence for competition and commonality. Guanine Nucleotides 8-26 thyrotropin releasing hormone Rattus norvegicus 86-115 8676864-2 1996 RCC1/PRP20 act as guanine nucleotide exchange factors for the nuclear Ras-like Ran/GSP1 proteins. Guanine Nucleotides 18-36 Ran guanyl-nucleotide exchange factor Saccharomyces cerevisiae S288C 5-10 8676864-2 1996 RCC1/PRP20 act as guanine nucleotide exchange factors for the nuclear Ras-like Ran/GSP1 proteins. Guanine Nucleotides 18-36 Ran GTPase GSP1 Saccharomyces cerevisiae S288C 83-87 8700892-0 1996 Protein kinase cross-talk: membrane targeting of the beta-adrenergic receptor kinase by protein kinase C. The beta-adrenergic receptor kinase (betaARK) is the prototypical member of the family of cytosolic kinases that phosphorylate guanine nucleotide binding-protein-coupled receptors and thereby trigger uncoupling between receptors and guanine nucleotide binding proteins. Guanine Nucleotides 233-251 G protein-coupled receptor kinase 2 Homo sapiens 143-150 8700892-0 1996 Protein kinase cross-talk: membrane targeting of the beta-adrenergic receptor kinase by protein kinase C. The beta-adrenergic receptor kinase (betaARK) is the prototypical member of the family of cytosolic kinases that phosphorylate guanine nucleotide binding-protein-coupled receptors and thereby trigger uncoupling between receptors and guanine nucleotide binding proteins. Guanine Nucleotides 339-357 G protein-coupled receptor kinase 2 Homo sapiens 143-150 8626805-1 1996 Phospholipase D (PLD) which was partially purified from membranes of porcine brain could be stimulated by multiple cytosolic components; these included ADP-ribosylation factor (Arf) and RhoA, which required guanine nucleotides for activity, and an unidentified factor which activated the enzyme in a nucleotide-independent manner (Singer, W. D., Brown, H. A., Bokoch, G. M., and Sternweis, P. C. (1995) J. Biol. Guanine Nucleotides 207-226 glycosylphosphatidylinositol specific phospholipase D1 Homo sapiens 0-15 8611570-11 1996 These findings clearly demonstrate that G alpha h associates with a novel protein which modulates the affinity of G alpha h for guanine nucleotides and that the GDP-bound Gh is the ground state for the counterpart activator, the alpha 1-adrenoceptor, in this signaling system. Guanine Nucleotides 128-147 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 40-47 8611570-11 1996 These findings clearly demonstrate that G alpha h associates with a novel protein which modulates the affinity of G alpha h for guanine nucleotides and that the GDP-bound Gh is the ground state for the counterpart activator, the alpha 1-adrenoceptor, in this signaling system. Guanine Nucleotides 128-147 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 114-121 8626805-1 1996 Phospholipase D (PLD) which was partially purified from membranes of porcine brain could be stimulated by multiple cytosolic components; these included ADP-ribosylation factor (Arf) and RhoA, which required guanine nucleotides for activity, and an unidentified factor which activated the enzyme in a nucleotide-independent manner (Singer, W. D., Brown, H. A., Bokoch, G. M., and Sternweis, P. C. (1995) J. Biol. Guanine Nucleotides 207-226 glycosylphosphatidylinositol specific phospholipase D1 Homo sapiens 17-20 8626805-1 1996 Phospholipase D (PLD) which was partially purified from membranes of porcine brain could be stimulated by multiple cytosolic components; these included ADP-ribosylation factor (Arf) and RhoA, which required guanine nucleotides for activity, and an unidentified factor which activated the enzyme in a nucleotide-independent manner (Singer, W. D., Brown, H. A., Bokoch, G. M., and Sternweis, P. C. (1995) J. Biol. Guanine Nucleotides 207-226 ras homolog family member A Homo sapiens 186-190 8611036-8 1996 This diminished guanine nucleotide exchange activity was due to the inhibition of eukaryotic initiation factor eIF-2B, the factor required for the dissociation of GDP from eIF-2, and the formation of the functional eIF-2.GTP complex. Guanine Nucleotides 16-34 eukaryotic translation initiation factor 2, subunit 2 (beta) Mus musculus 111-117 8611036-8 1996 This diminished guanine nucleotide exchange activity was due to the inhibition of eukaryotic initiation factor eIF-2B, the factor required for the dissociation of GDP from eIF-2, and the formation of the functional eIF-2.GTP complex. Guanine Nucleotides 16-34 eukaryotic translation initiation factor 2, subunit 2 (beta) Mus musculus 111-116 8611036-8 1996 This diminished guanine nucleotide exchange activity was due to the inhibition of eukaryotic initiation factor eIF-2B, the factor required for the dissociation of GDP from eIF-2, and the formation of the functional eIF-2.GTP complex. Guanine Nucleotides 16-34 eukaryotic translation initiation factor 2, subunit 2 (beta) Mus musculus 172-177 8631299-5 1996 The p21 ras activation by Ang II is mediated by an increase in the guanine nucleotide exchange activity, but not by an inhibition of the GTPase-activating protein. Guanine Nucleotides 67-85 H3 histone pseudogene 16 Homo sapiens 4-7 8631299-5 1996 The p21 ras activation by Ang II is mediated by an increase in the guanine nucleotide exchange activity, but not by an inhibition of the GTPase-activating protein. Guanine Nucleotides 67-85 angiogenin Homo sapiens 26-29 8631299-9 1996 Ang II-induced increase in the guanine nucleotide exchange activity was inhibited by a peptide ligand specific to the SH3 domain of the Src family tyrosine kinases. Guanine Nucleotides 31-49 angiogenin Homo sapiens 0-3 8631299-9 1996 Ang II-induced increase in the guanine nucleotide exchange activity was inhibited by a peptide ligand specific to the SH3 domain of the Src family tyrosine kinases. Guanine Nucleotides 31-49 FYN proto-oncogene, Src family tyrosine kinase Homo sapiens 136-139 8577703-0 1996 Catalytic activity of the mouse guanine nucleotide exchanger mSOS is activated by Fyn tyrosine protein kinase and the T-cell antigen receptor in T cells. Guanine Nucleotides 32-50 Fyn proto-oncogene Mus musculus 82-85 8577703-9 1996 Unlike the current prevailing model, Fyn-induced activation of Ras might involve the stimulation of the catalytic guanine nucleotide exchange activity of mSOS. Guanine Nucleotides 114-132 Fyn proto-oncogene Mus musculus 37-40 8577724-2 1996 Calcium influx through L-type VSCCs leads to tyrosine phosphorylation of the adaptor protein Shc and its association with the adaptor protein Grb2, which is bound to the guanine nucleotide exchange factor Sos1. Guanine Nucleotides 170-188 SHC adaptor protein 1 Homo sapiens 93-96 8577724-2 1996 Calcium influx through L-type VSCCs leads to tyrosine phosphorylation of the adaptor protein Shc and its association with the adaptor protein Grb2, which is bound to the guanine nucleotide exchange factor Sos1. Guanine Nucleotides 170-188 growth factor receptor bound protein 2 Homo sapiens 142-146 8570203-4 1996 Three proteins of the Ras signalling pathway were also shown to associated with CD45: the GTPase-activating protein for Ras (rasGAP), the signalling protein Grb2, and, possibly via complex formation with Grb2, the guanine nucleotide exchange factor mammalian son of sevenless (mSOS). Guanine Nucleotides 214-232 RAS p21 protein activator 1 Homo sapiens 22-25 8577724-2 1996 Calcium influx through L-type VSCCs leads to tyrosine phosphorylation of the adaptor protein Shc and its association with the adaptor protein Grb2, which is bound to the guanine nucleotide exchange factor Sos1. Guanine Nucleotides 170-188 SOS Ras/Rac guanine nucleotide exchange factor 1 Homo sapiens 205-209 21153293-7 1996 The mechanism of activation of p21( ras ) in Nb2-11C cells by lactogenic hormones involves both an increased binding of guanine nucleotides to p21( ras ) as well as an increase in GTP/GDP+GTP ratio. Guanine Nucleotides 120-139 KRAS proto-oncogene, GTPase Rattus norvegicus 31-34 21153293-7 1996 The mechanism of activation of p21( ras ) in Nb2-11C cells by lactogenic hormones involves both an increased binding of guanine nucleotides to p21( ras ) as well as an increase in GTP/GDP+GTP ratio. Guanine Nucleotides 120-139 KRAS proto-oncogene, GTPase Rattus norvegicus 143-146 8570203-4 1996 Three proteins of the Ras signalling pathway were also shown to associated with CD45: the GTPase-activating protein for Ras (rasGAP), the signalling protein Grb2, and, possibly via complex formation with Grb2, the guanine nucleotide exchange factor mammalian son of sevenless (mSOS). Guanine Nucleotides 214-232 protein tyrosine phosphatase receptor type C Homo sapiens 80-84 8570203-4 1996 Three proteins of the Ras signalling pathway were also shown to associated with CD45: the GTPase-activating protein for Ras (rasGAP), the signalling protein Grb2, and, possibly via complex formation with Grb2, the guanine nucleotide exchange factor mammalian son of sevenless (mSOS). Guanine Nucleotides 214-232 growth factor receptor bound protein 2 Homo sapiens 204-208 8557685-7 1996 In far-Western blotting and guanine nucleotide saturation studies, GDP-Rad bound to tropomyosin far better than GTP-Rad. Guanine Nucleotides 28-46 Ras-related associated with diabetes Mus musculus 71-74 8557685-8 1996 We conclude that Rad interacts with skeletal muscle beta-tropomyosin and the cytoskeleton in a guanine nucleotide-dependent manner. Guanine Nucleotides 95-113 Ras-related associated with diabetes Mus musculus 17-20 8750931-0 1996 Protein kinase C-dependent modulation of stimulatory guanine nucleotide binding protein of fetal rat skin keratinocytes. Guanine Nucleotides 53-71 protein kinase C, gamma Rattus norvegicus 0-16 8677749-3 1996 The product of the vav proto-oncogene (Vav) is expressed exclusively in hematopoietic cells and has guanine nucleotide exchange activity. Guanine Nucleotides 100-118 vav guanine nucleotide exchange factor 1 Homo sapiens 19-22 8677749-3 1996 The product of the vav proto-oncogene (Vav) is expressed exclusively in hematopoietic cells and has guanine nucleotide exchange activity. Guanine Nucleotides 100-118 vav guanine nucleotide exchange factor 1 Homo sapiens 39-42 9150874-3 1996 The guanine nucleotide binding site and the residues involved in GTP hydrolysis are similar to those of EF-Tu, but with some subtle differences possibly responsible for the higher affinity of SelB for GTP compared to GDP. Guanine Nucleotides 4-22 eukaryotic elongation factor, selenocysteine-tRNA specific Homo sapiens 192-196 8893498-1 1996 The CDC25 gene product from Saccharomyces cerevisiae, the prototype of the family of ras guanine nucleotide exchange factors, is expressed as a 180-kDa polypeptide, tightly bound to a membrane fraction. Guanine Nucleotides 89-107 Ras family guanine nucleotide exchange factor CDC25 Saccharomyces cerevisiae S288C 4-9 8909796-2 1996 GTPase activating proteins (p120GAP, neurofibromin and GAP1) are negative regulators that stimulate hydrolysis of bound GTP to GDP, and guanine nucleotide exchange factors (Sos and Ras-GRF) are positive regulators that stimulate the exchange of GDP bound to Ras for fresh GTP from the cytosol. Guanine Nucleotides 136-154 RAS p21 protein activator 1 Homo sapiens 28-35 8909796-2 1996 GTPase activating proteins (p120GAP, neurofibromin and GAP1) are negative regulators that stimulate hydrolysis of bound GTP to GDP, and guanine nucleotide exchange factors (Sos and Ras-GRF) are positive regulators that stimulate the exchange of GDP bound to Ras for fresh GTP from the cytosol. Guanine Nucleotides 136-154 neurofibromin 1 Homo sapiens 37-50 8909796-2 1996 GTPase activating proteins (p120GAP, neurofibromin and GAP1) are negative regulators that stimulate hydrolysis of bound GTP to GDP, and guanine nucleotide exchange factors (Sos and Ras-GRF) are positive regulators that stimulate the exchange of GDP bound to Ras for fresh GTP from the cytosol. Guanine Nucleotides 136-154 xylosyltransferase 2 Homo sapiens 173-176 8909796-2 1996 GTPase activating proteins (p120GAP, neurofibromin and GAP1) are negative regulators that stimulate hydrolysis of bound GTP to GDP, and guanine nucleotide exchange factors (Sos and Ras-GRF) are positive regulators that stimulate the exchange of GDP bound to Ras for fresh GTP from the cytosol. Guanine Nucleotides 136-154 growth hormone releasing hormone Homo sapiens 185-188 9258606-1 1996 Certain p21GTPases (notably Ras) and some of their guanine nucleotide exchange factors (e.g., Ost, Dbl, Tiam) and downstream mediators (e.g., Raf, Myc) have the potential to promote the development of malignancies because they can enhance the transcription of genes that foster the tumorigenic and metastatic phenotype. Guanine Nucleotides 51-69 MCF.2 cell line derived transforming sequence like Homo sapiens 94-97 9258606-1 1996 Certain p21GTPases (notably Ras) and some of their guanine nucleotide exchange factors (e.g., Ost, Dbl, Tiam) and downstream mediators (e.g., Raf, Myc) have the potential to promote the development of malignancies because they can enhance the transcription of genes that foster the tumorigenic and metastatic phenotype. Guanine Nucleotides 51-69 MCF.2 cell line derived transforming sequence Homo sapiens 99-102 9258606-1 1996 Certain p21GTPases (notably Ras) and some of their guanine nucleotide exchange factors (e.g., Ost, Dbl, Tiam) and downstream mediators (e.g., Raf, Myc) have the potential to promote the development of malignancies because they can enhance the transcription of genes that foster the tumorigenic and metastatic phenotype. Guanine Nucleotides 51-69 MYC proto-oncogene, bHLH transcription factor Homo sapiens 147-150 8821748-5 1995 Characterization in the hippocampus revealed the presence of a high affinity receptor, sensitive to incubation with the guanine nucleotide GTP gamma S, and displaced by angiotensin II = angiotensin III < Sar1-Ile8-angiotensin II, but not by angiotensin IV or other angiotensin fragments, the AT1 receptor antagonist losartan, or the AT2 ligands CGP 42112 or PD 123177. Guanine Nucleotides 120-138 secretion associated Ras related GTPase 1A Homo sapiens 207-231 8537363-0 1995 The effect of carboxyl-terminal mutagenesis of Gt alpha on rhodopsin and guanine nucleotide binding. Guanine Nucleotides 73-91 integrin subunit alpha 2b Homo sapiens 47-55 8537363-6 1995 Surprisingly, mutants L344A, L349A, F350stop, and stop351A demonstrated a parallel loss of rhodopsin and guanine nucleotide binding. Guanine Nucleotides 105-123 rhodopsin Homo sapiens 91-100 8530500-3 1995 Here, we report TCR.CD3-mediated guanine nucleotide exchange among the 42-kDa G protein alpha subunits of the G alpha q/11 family, their physical association with CD3 epsilon, and the G alpha 11-dependent activation of phospholipase C beta. Guanine Nucleotides 33-51 CD3 epsilon subunit of T-cell receptor complex Homo sapiens 163-174 8530500-3 1995 Here, we report TCR.CD3-mediated guanine nucleotide exchange among the 42-kDa G protein alpha subunits of the G alpha q/11 family, their physical association with CD3 epsilon, and the G alpha 11-dependent activation of phospholipase C beta. Guanine Nucleotides 33-51 G protein subunit alpha 11 Homo sapiens 184-194 8821748-5 1995 Characterization in the hippocampus revealed the presence of a high affinity receptor, sensitive to incubation with the guanine nucleotide GTP gamma S, and displaced by angiotensin II = angiotensin III < Sar1-Ile8-angiotensin II, but not by angiotensin IV or other angiotensin fragments, the AT1 receptor antagonist losartan, or the AT2 ligands CGP 42112 or PD 123177. Guanine Nucleotides 120-138 angiotensin II receptor type 1 Homo sapiens 295-298 8821748-5 1995 Characterization in the hippocampus revealed the presence of a high affinity receptor, sensitive to incubation with the guanine nucleotide GTP gamma S, and displaced by angiotensin II = angiotensin III < Sar1-Ile8-angiotensin II, but not by angiotensin IV or other angiotensin fragments, the AT1 receptor antagonist losartan, or the AT2 ligands CGP 42112 or PD 123177. Guanine Nucleotides 120-138 angiotensin II receptor type 2 Homo sapiens 336-339 8690019-13 1995 When reconstituted in vitro using digitonin permeabilized cells, the movement of ERGIC53 into the ER has a requirement for metabolic energy, is partially inhibited by the nonhydrolyzable guanine nucleotide analog GTP gamma S but could not be made to be cytosol dependent. Guanine Nucleotides 187-205 lectin, mannose binding 1 Homo sapiens 81-88 8848015-3 1995 Stimulation of striatal membranes with dopamine in the presence of [35S]GTP gamma S or [alpha-32P]GTP increased guanine nucleotide binding to G alpha s, G alpha i, and G alpha q in a concentration-dependent fashion. Guanine Nucleotides 112-130 G protein subunit alpha q Rattus norvegicus 168-177 8848015-5 1995 In contrast, the D2/3 dopamine receptor agonist quinpirole stimulated guanine nucleotide binding to G alpha i, and dopamine-stimulated activation of G alpha i was attenuated by the D2 antagonist I-sulpiride. Guanine Nucleotides 70-88 dopamine receptor D2 Rattus norvegicus 17-39 7592935-4 1995 When Rab5 is translated in the presence of biotin-lysine-tRNA, it incorporates biotin-lysine into its peptide backbone and is efficiently prenylated; since this modification is dependent on guanine nucleotide binding, biotin-Rab5"s functional integrity must be maintained. Guanine Nucleotides 190-208 RAB5A, member RAS oncogene family Homo sapiens 5-9 7491495-3 1995 Overexpression of MAPK kinase (MAPKK) or of the guanine nucleotide binding protein Ras, both of which activate MAPK, enhanced estrogen-induced and antiestrogen (tamoxifen)-induced transcriptional activity of wild-type ER, but not that of a mutant ER with an alanine in place of Ser118. Guanine Nucleotides 48-66 estrogen receptor 1 Homo sapiens 218-220 7491495-3 1995 Overexpression of MAPK kinase (MAPKK) or of the guanine nucleotide binding protein Ras, both of which activate MAPK, enhanced estrogen-induced and antiestrogen (tamoxifen)-induced transcriptional activity of wild-type ER, but not that of a mutant ER with an alanine in place of Ser118. Guanine Nucleotides 48-66 estrogen receptor 1 Homo sapiens 247-249 7592872-5 1995 Upon further analysis it was determined that Syk transcripts from the J.CaM1 cells as well as the parental E6-1 cells contain a single guanine nucleotide insertion at position 92. Guanine Nucleotides 135-153 spleen associated tyrosine kinase Homo sapiens 45-48 7476879-1 1995 Investigation of an enhancer-trap line exhibiting testis-specific beta-galactosidase expression led to the isolation of the Drosophila gene encoding inosine monophosphate dehydrogenase (IMPD), the rate-limiting enzyme in guanine nucleotide synthesis, which has been implicated in cell cycle control and malignant transformation. Guanine Nucleotides 221-239 beta galactosidase Drosophila melanogaster 66-84 7495858-1 1995 Eukaryotic initiation factor-2B (eIF-2B) is a heteropentameric guanine nucleotide exchange factor involved in the recycling of eIF-2 during the translation initiation phase of protein synthesis. Guanine Nucleotides 63-81 eukaryotic translation initiation factor 2B subunit delta Rattus norvegicus 0-31 7495858-1 1995 Eukaryotic initiation factor-2B (eIF-2B) is a heteropentameric guanine nucleotide exchange factor involved in the recycling of eIF-2 during the translation initiation phase of protein synthesis. Guanine Nucleotides 63-81 eukaryotic translation initiation factor 2B subunit delta Rattus norvegicus 33-39 7487952-13 1995 The effects described appear to be unique for c-di-GMP and, taken together, raise the possibility that an irreversible binding of this guanine nucleotide to the growth-promoting p21ras protein results in a fixed active conformation of this protein affecting DNA synthesis. Guanine Nucleotides 135-153 HRas proto-oncogene, GTPase Homo sapiens 178-184 7595499-1 1995 Recent studies have suggested a role for an inhibitory guanine nucleotide binding (Gi) protein and protein (serine/threonine) phosphatase 2A (PP2A) in the angiotensin II type 2 (AT2) receptor-mediated stimulation of neuronal K+ currents. Guanine Nucleotides 55-73 angiotensin II receptor, type 2 Rattus norvegicus 155-176 7595499-1 1995 Recent studies have suggested a role for an inhibitory guanine nucleotide binding (Gi) protein and protein (serine/threonine) phosphatase 2A (PP2A) in the angiotensin II type 2 (AT2) receptor-mediated stimulation of neuronal K+ currents. Guanine Nucleotides 55-73 angiotensin II receptor, type 2 Rattus norvegicus 178-181 8584022-1 1995 A carboxyl-terminus truncated mutant of the guanine nucleotide-binding (G) protein-coupled TRH receptor (TRH-R) was previously shown to exhibit constitutive, i.e. TRH-independent, activity (C335Stop TRH-R). Guanine Nucleotides 44-62 thyrotropin releasing hormone Mus musculus 91-94 8584022-1 1995 A carboxyl-terminus truncated mutant of the guanine nucleotide-binding (G) protein-coupled TRH receptor (TRH-R) was previously shown to exhibit constitutive, i.e. TRH-independent, activity (C335Stop TRH-R). Guanine Nucleotides 44-62 thyrotropin releasing hormone receptor Mus musculus 105-110 8584022-1 1995 A carboxyl-terminus truncated mutant of the guanine nucleotide-binding (G) protein-coupled TRH receptor (TRH-R) was previously shown to exhibit constitutive, i.e. TRH-independent, activity (C335Stop TRH-R). Guanine Nucleotides 44-62 thyrotropin releasing hormone Mus musculus 105-108 8584022-1 1995 A carboxyl-terminus truncated mutant of the guanine nucleotide-binding (G) protein-coupled TRH receptor (TRH-R) was previously shown to exhibit constitutive, i.e. TRH-independent, activity (C335Stop TRH-R). Guanine Nucleotides 44-62 thyrotropin releasing hormone receptor Mus musculus 199-204 7479768-3 1995 Both Abr and Bcr have a GTPase-activating protein (GAP) domain similar to those found in other proteins that stimulate GTP hydrolysis by members of the Rho family of GTP-binding proteins, as well as a region of homology with the guanine nucleotide dissociation-stimulating domain of the DBL oncogene product. Guanine Nucleotides 229-247 BCR activator of RhoGEF and GTPase Homo sapiens 13-16 7476879-1 1995 Investigation of an enhancer-trap line exhibiting testis-specific beta-galactosidase expression led to the isolation of the Drosophila gene encoding inosine monophosphate dehydrogenase (IMPD), the rate-limiting enzyme in guanine nucleotide synthesis, which has been implicated in cell cycle control and malignant transformation. Guanine Nucleotides 221-239 raspberry Drosophila melanogaster 149-184 7476879-1 1995 Investigation of an enhancer-trap line exhibiting testis-specific beta-galactosidase expression led to the isolation of the Drosophila gene encoding inosine monophosphate dehydrogenase (IMPD), the rate-limiting enzyme in guanine nucleotide synthesis, which has been implicated in cell cycle control and malignant transformation. Guanine Nucleotides 221-239 raspberry Drosophila melanogaster 186-190 7592625-0 1995 Effect of guanine nucleotide binding on the intrinsic tryptophan fluorescence properties of Rab5. Guanine Nucleotides 10-28 RAB5A, member RAS oncogene family Homo sapiens 92-96 7592625-7 1995 These data indicate that both of Rab5"s tryptophans are brought into a more sequestered, hydrophobic environment upon conformational changes promoted by guanine nucleotide exchange. Guanine Nucleotides 153-171 RAB5A, member RAS oncogene family Homo sapiens 33-37 7592625-9 1995 However, Trp114 lies within a region of Rab5 potentially related to the switch III domain unique to heterotrimeric G alpha t. Thus, changes in the fluorescence properties of Trp114 upon guanine nucleotide exchange suggest that Rab proteins may have structure-function relationships similar to those described for heterotrimeric GTP-binding proteins. Guanine Nucleotides 186-204 RAB5A, member RAS oncogene family Homo sapiens 40-43 7548002-1 1995 The interaction of Ran, a Ras-related nuclear GTP-binding protein, with its guanine nucleotide exchange factor RCC1 has been studied by equilibrium and transient kinetic measurements using fluorescent nucleotides. Guanine Nucleotides 76-94 RAN, member RAS oncogene family Homo sapiens 19-22 7548002-1 1995 The interaction of Ran, a Ras-related nuclear GTP-binding protein, with its guanine nucleotide exchange factor RCC1 has been studied by equilibrium and transient kinetic measurements using fluorescent nucleotides. Guanine Nucleotides 76-94 regulator of chromosome condensation 1 Homo sapiens 111-115 7478566-1 1995 The mouse protein mSos1 has a central Ras guanine nucleotide exchange domain, and a long proline-rich C-terminal tail which contains several potential binding sites for the SH3 domains of the adaptor protein, Grb2. Guanine Nucleotides 42-60 SOS Ras/Rac guanine nucleotide exchange factor 1 Mus musculus 18-23 7586133-0 1995 cDNA and genomic sequences for rat 8-oxo-dGTPase that prevents occurrence of spontaneous mutations due to oxidation of guanine nucleotides. Guanine Nucleotides 119-138 nudix hydrolase 1 Rattus norvegicus 35-48 7673152-7 1995 Finally, using recombinant p21ras in vitro, we found that redox modulators directly promoted guanine nucleotide exchange on p21ras. Guanine Nucleotides 93-111 H3 histone pseudogene 16 Homo sapiens 27-30 7559408-1 1995 Phospholipase D (PLD) activation by guanine nucleotides requires protein cofactors from both the membrane and the cytosol. Guanine Nucleotides 36-55 glycosylphosphatidylinositol specific phospholipase D1 Homo sapiens 0-15 7559408-1 1995 Phospholipase D (PLD) activation by guanine nucleotides requires protein cofactors from both the membrane and the cytosol. Guanine Nucleotides 36-55 glycosylphosphatidylinositol specific phospholipase D1 Homo sapiens 17-20 7673152-7 1995 Finally, using recombinant p21ras in vitro, we found that redox modulators directly promoted guanine nucleotide exchange on p21ras. Guanine Nucleotides 93-111 HRas proto-oncogene, GTPase Homo sapiens 27-33 7591763-4 1995 By virtue of its high affinity and specificity for guanine nucleotide binding and its intrinsic GTPase activity, the alpha-subunit of the G protein (G alpha) plays the critical role in regulation of the effectors by their corresponding G protein. Guanine Nucleotides 51-69 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 117-156 7562534-4 1995 Recently, a D3 dopamine receptor was identified that is insensitive to guanine nucleotides and exhibits an unusual distribution in the brain. Guanine Nucleotides 71-90 dopamine receptor D3 Rattus norvegicus 12-32 7657656-1 1995 The Cdc25p and Sdc25p proteins were the first members of the family of guanine nucleotide exchange factors to be identified. Guanine Nucleotides 71-89 Ras family guanine nucleotide exchange factor CDC25 Saccharomyces cerevisiae S288C 4-10 7657656-1 1995 The Cdc25p and Sdc25p proteins were the first members of the family of guanine nucleotide exchange factors to be identified. Guanine Nucleotides 71-89 SDC25 Saccharomyces cerevisiae S288C 15-21 7647103-0 1995 1,25(OH)2-vitamin D-3 stimulates phospholipase A2 activity via a guanine nucleotide-binding protein in chick myoblasts. Guanine Nucleotides 65-83 phospholipase A2 group IIA Gallus gallus 33-49 8589550-3 1995 RA-KIAKR (net charge +4) mimicked the effect of FSHR-(551-555) on guanine nucleotide exchange in rat testis membranes, but reduced its ability to inhibit FSH-stimulated estradiol biosynthesis in cultured rat Sertoli cells. Guanine Nucleotides 66-84 follicle stimulating hormone receptor Rattus norvegicus 48-52 8520487-0 1995 Multidomain organization of eukaryotic guanine nucleotide exchange translation initiation factor eIF-2B subunits revealed by analysis of conserved sequence motifs. Guanine Nucleotides 39-57 eukaryotic translation initiation factor 2B subunit epsilon Homo sapiens 97-103 7542774-1 1995 Coexpression in Xenopus oocytes of the inwardly rectifying guanine nucleotide binding (G)-protein-gated K channel GIRK1 with a myristoylated modification of the (putative) cytosolic C-terminal tail [GIRK1 aa 183-501 fused in-frame to aa 1-15 of p60src and denoted src+ (183-501)] leads to a high degree of inhibition of the inward G-protein-gated K+ current. Guanine Nucleotides 59-77 potassium inwardly rectifying channel subfamily J member 3 L homeolog Xenopus laevis 114-119 7626067-3 1995 In this research, the results from both "guanine nucleotide effect assay" and GTPase assay indicated that the receptors for the inhibitory and stimulatory FMRFamide-related peptides (FaRPs) are coupled with G proteins and both inhibitory and excitatory effects of FaRPs on locust oviduct are through the activation of G proteins. Guanine Nucleotides 41-59 neuropeptide VF precursor Homo sapiens 155-181 8527935-1 1995 GMP synthetase, a key enzyme in the de novo synthesis of guanine nucleotides, is a potential target for immunosuppression and anticancer chemotherapy. Guanine Nucleotides 57-76 guanine monophosphate synthase Homo sapiens 0-14 7626067-3 1995 In this research, the results from both "guanine nucleotide effect assay" and GTPase assay indicated that the receptors for the inhibitory and stimulatory FMRFamide-related peptides (FaRPs) are coupled with G proteins and both inhibitory and excitatory effects of FaRPs on locust oviduct are through the activation of G proteins. Guanine Nucleotides 41-59 neuropeptide VF precursor Homo sapiens 183-188 7626067-3 1995 In this research, the results from both "guanine nucleotide effect assay" and GTPase assay indicated that the receptors for the inhibitory and stimulatory FMRFamide-related peptides (FaRPs) are coupled with G proteins and both inhibitory and excitatory effects of FaRPs on locust oviduct are through the activation of G proteins. Guanine Nucleotides 41-59 neuropeptide VF precursor Homo sapiens 264-269 7608150-1 1995 Activation of p21ras by receptor tyrosine kinases is thought to result from recruitment of guanine nucleotide exchange factors such as Son-of-sevenless (Sos) to plasma membrane receptor substrates via adaptor proteins such as Grb2. Guanine Nucleotides 91-109 HRas proto-oncogene, GTPase Homo sapiens 14-20 7608150-1 1995 Activation of p21ras by receptor tyrosine kinases is thought to result from recruitment of guanine nucleotide exchange factors such as Son-of-sevenless (Sos) to plasma membrane receptor substrates via adaptor proteins such as Grb2. Guanine Nucleotides 91-109 Son of sevenless Drosophila melanogaster 153-156 7608150-1 1995 Activation of p21ras by receptor tyrosine kinases is thought to result from recruitment of guanine nucleotide exchange factors such as Son-of-sevenless (Sos) to plasma membrane receptor substrates via adaptor proteins such as Grb2. Guanine Nucleotides 91-109 growth factor receptor bound protein 2 Homo sapiens 226-230 7616957-4 1995 Partially purified, GST-fused RanBP1 inhibited RCC1-stimulated guanine nucleotide release from Ran in vitro. Guanine Nucleotides 63-81 RAN binding protein 1 Homo sapiens 30-36 7603572-1 1995 Ran/TC4 is a small nuclear G protein that forms a complex with the chromatin-bound guanine nucleotide release factor RCC1 (ref. Guanine Nucleotides 83-101 RAN, member RAS oncogene family Homo sapiens 0-3 7603572-1 1995 Ran/TC4 is a small nuclear G protein that forms a complex with the chromatin-bound guanine nucleotide release factor RCC1 (ref. Guanine Nucleotides 83-101 RAN, member RAS oncogene family Homo sapiens 4-7 7603572-1 1995 Ran/TC4 is a small nuclear G protein that forms a complex with the chromatin-bound guanine nucleotide release factor RCC1 (ref. Guanine Nucleotides 83-101 regulator of chromosome condensation 1 Homo sapiens 117-121 8846438-0 1995 Multiple affinity and guanine nucleotide sensitive forms of the calcitonin gene related peptide (CGRP) receptor. Guanine Nucleotides 22-40 calcitonin related polypeptide alpha Homo sapiens 64-95 8846438-0 1995 Multiple affinity and guanine nucleotide sensitive forms of the calcitonin gene related peptide (CGRP) receptor. Guanine Nucleotides 22-40 calcitonin related polypeptide alpha Homo sapiens 97-101 7616957-4 1995 Partially purified, GST-fused RanBP1 inhibited RCC1-stimulated guanine nucleotide release from Ran in vitro. Guanine Nucleotides 63-81 regulator of chromosome condensation 1 Homo sapiens 47-51 7616957-4 1995 Partially purified, GST-fused RanBP1 inhibited RCC1-stimulated guanine nucleotide release from Ran in vitro. Guanine Nucleotides 63-81 RAN, member RAS oncogene family Homo sapiens 30-33 7744738-3 1995 We report here basal rate constants for guanine nucleotide dissociation and GTP hydrolysis for prenyl Rab9. Guanine Nucleotides 40-58 RAB9A, member RAS oncogene family Homo sapiens 102-106 7539430-3 1995 MxA mutants with COOH-terminal deletions of 63 or more amino acids lost all ability to hydrolyze GTP and failed to bind guanine nucleotides. Guanine Nucleotides 120-139 MX dynamin like GTPase 1 Homo sapiens 0-3 7673348-1 1995 Rho protein (rho p21), a p21ras-related small guanine nucleotide binding protein, regulates cytoskeletal organization in a number of different types of cells. Guanine Nucleotides 46-64 cyclin-dependent kinase inhibitor 1A (P21) Mus musculus 17-20 7673348-1 1995 Rho protein (rho p21), a p21ras-related small guanine nucleotide binding protein, regulates cytoskeletal organization in a number of different types of cells. Guanine Nucleotides 46-64 Harvey rat sarcoma virus oncogene Mus musculus 25-31 7744788-2 1995 The effects of guanine nucleotides on either exocytosis or endocytosis of GLUT4 were examined in electrically permeabilized rat adipocytes by using Dk-(62-85), a major histocompatibility complex class I-derived peptide. Guanine Nucleotides 15-34 solute carrier family 2 member 4 Rattus norvegicus 74-79 7538756-0 1995 Detection and analysis of agonist-induced formation of the complex of the stimulatory guanine nucleotide-binding protein with adenylate cyclase in intact wild-type and beta 2-adrenoceptor-expressing NG108-15 cells. Guanine Nucleotides 86-104 adrenergic receptor, beta 2 Mus musculus 168-187 7762657-12 1995 Modulation between the high- and low- affinity binding states of SSTR3 is at least partially mediated by activation of guanine nucleotide regulatory proteins. Guanine Nucleotides 119-137 somatostatin receptor type 3 Cavia porcellus 65-70 7651382-6 1995 Radioligand binding of [125I] angiotensin II to the angiotensin II receptor was specific, saturable, reversible and modulated by guanine nucleotides. Guanine Nucleotides 129-148 angiotensinogen Rattus norvegicus 30-44 7651382-6 1995 Radioligand binding of [125I] angiotensin II to the angiotensin II receptor was specific, saturable, reversible and modulated by guanine nucleotides. Guanine Nucleotides 129-148 angiotensinogen Rattus norvegicus 52-66 7672451-3 1995 FSHR-(533-555) peptide amide stimulated guanine nucleotide exchange in rat testis light membranes, presumably via its interaction with membrane-associated G protein. Guanine Nucleotides 40-58 follicle stimulating hormone receptor Rattus norvegicus 0-4 7731701-7 1995 The binding of two guanine nucleotide exchange factors, Sos and C3G, to Crk and CRKL indicates that Ras or related proteins likely play a role in signaling through Crk family proteins. Guanine Nucleotides 19-37 Rap guanine nucleotide exchange factor 1 Homo sapiens 64-67 7731701-7 1995 The binding of two guanine nucleotide exchange factors, Sos and C3G, to Crk and CRKL indicates that Ras or related proteins likely play a role in signaling through Crk family proteins. Guanine Nucleotides 19-37 CRK proto-oncogene, adaptor protein Homo sapiens 72-75 7731701-7 1995 The binding of two guanine nucleotide exchange factors, Sos and C3G, to Crk and CRKL indicates that Ras or related proteins likely play a role in signaling through Crk family proteins. Guanine Nucleotides 19-37 CRK like proto-oncogene, adaptor protein Homo sapiens 80-84 7731701-7 1995 The binding of two guanine nucleotide exchange factors, Sos and C3G, to Crk and CRKL indicates that Ras or related proteins likely play a role in signaling through Crk family proteins. Guanine Nucleotides 19-37 CRK proto-oncogene, adaptor protein Homo sapiens 164-167 7724534-2 1995 Rat CaSR displays 92% overall homology to its bovine counterpart with seven putative transmembrane domains characteristic of the superfamily of guanine nucleotide-binding proteins and significant homology with the metabotropic glutamate receptors. Guanine Nucleotides 144-162 calcium-sensing receptor Rattus norvegicus 4-8 7716522-1 1995 The mammalian growth factor receptor-binding protein Grb2 is an adaptor that mediates activation of guanine nucleotide exchange on Ras. Guanine Nucleotides 100-118 growth factor receptor bound protein 2 Homo sapiens 53-57 7724588-2 1995 Guanine nucleotide binding was first detected by CD analysis, which revealed a unique spectrum for the TS-dGMP-U89 ternary complex. Guanine Nucleotides 0-18 fliF Drosophila melanogaster 106-110 7603625-5 1995 Results presented in this paper favor the presence of guanine nucleotide binding proteins (G0 or Gi family), which are coupled to the gamma-hydroxybutyrate receptor, modifying the high-affinity gamma-hydroxybutyrate binding. Guanine Nucleotides 54-72 tetraspanin 17 Rattus norvegicus 134-164 7721698-5 1995 The E. coli mob locus is responsible for the addition of a guanine nucleotide to molybdo-MPT (Mo-MPT) to form Mo-MGD. Guanine Nucleotides 59-77 mobilization protein Escherichia coli 12-15 7627555-5 1995 RESULTS: We show here that platelet-derived growth factor (PDGF) can stimulate an increase in the level of GTP-Rac by at least two distinct mechanisms: firstly, by increased guanine nucleotide exchange; and secondly, by inhibition of a Rac GTPase activity. Guanine Nucleotides 174-192 AKT serine/threonine kinase 1 Homo sapiens 111-114 7714085-10 1995 These data suggest that the A572V mutation of the LH/CGR may have effects on the guanine nucleotide binding protein which activates phospholipase C (Gq) coupling and phospholipase-C activation in addition to its effects on Gs coupling and activation of adenylyl cyclase. Guanine Nucleotides 81-99 luteinizing hormone/choriogonadotropin receptor Homo sapiens 50-56 7539782-1 1995 The vav proto-oncogene product (Vav) is expressed exclusively in hematopoietic cells and is reported to have guanine nucleotide exchange activity. Guanine Nucleotides 109-127 vav guanine nucleotide exchange factor 1 Homo sapiens 4-7 7539782-1 1995 The vav proto-oncogene product (Vav) is expressed exclusively in hematopoietic cells and is reported to have guanine nucleotide exchange activity. Guanine Nucleotides 109-127 vav guanine nucleotide exchange factor 1 Homo sapiens 32-35 7706277-1 1995 GMP synthetase (EC 6.3.5.2) plays a key role in the de novo synthesis of guanine nucleotides. Guanine Nucleotides 73-92 guanine monophosphate synthase Homo sapiens 0-14 7891706-2 1995 Like other small GTPases, Ran appears to function as a switch: Ran-GTP and Ran-GDP levels are regulated both by guanine nucleotide exchange factors and GTPase activating proteins, and Ran-GTP and Ran-GDP interact differentially with one or more effectors. Guanine Nucleotides 112-130 RAN, member RAS oncogene family Homo sapiens 26-29 7891706-2 1995 Like other small GTPases, Ran appears to function as a switch: Ran-GTP and Ran-GDP levels are regulated both by guanine nucleotide exchange factors and GTPase activating proteins, and Ran-GTP and Ran-GDP interact differentially with one or more effectors. Guanine Nucleotides 112-130 RAN, member RAS oncogene family Homo sapiens 63-66 7891706-2 1995 Like other small GTPases, Ran appears to function as a switch: Ran-GTP and Ran-GDP levels are regulated both by guanine nucleotide exchange factors and GTPase activating proteins, and Ran-GTP and Ran-GDP interact differentially with one or more effectors. Guanine Nucleotides 112-130 RAN, member RAS oncogene family Homo sapiens 63-66 7891706-2 1995 Like other small GTPases, Ran appears to function as a switch: Ran-GTP and Ran-GDP levels are regulated both by guanine nucleotide exchange factors and GTPase activating proteins, and Ran-GTP and Ran-GDP interact differentially with one or more effectors. Guanine Nucleotides 112-130 RAN, member RAS oncogene family Homo sapiens 63-66 7891706-2 1995 Like other small GTPases, Ran appears to function as a switch: Ran-GTP and Ran-GDP levels are regulated both by guanine nucleotide exchange factors and GTPase activating proteins, and Ran-GTP and Ran-GDP interact differentially with one or more effectors. Guanine Nucleotides 112-130 RAN, member RAS oncogene family Homo sapiens 63-66 7535775-2 1995 One possible mediator in such signaling is the vav proto-oncogene product (p95vav), which is specifically expressed in cells of hematopoietic origin and contains domains typical of guanine nucleotide exchange factors as well as Src homology 2 and Src homology 3 domains. Guanine Nucleotides 181-199 vav guanine nucleotide exchange factor 1 Homo sapiens 47-50 7706235-0 1995 Nitric oxide-stimulated guanine nucleotide exchange on p21ras. Guanine Nucleotides 24-42 HRas proto-oncogene, GTPase Homo sapiens 55-61 7706235-8 1995 These studies identify p21ras as a target of NO in T cells and suggest that NO activates p21ras by an action which mimics that of guanine nucleotide exchange factors. Guanine Nucleotides 130-148 HRas proto-oncogene, GTPase Homo sapiens 23-29 7706235-8 1995 These studies identify p21ras as a target of NO in T cells and suggest that NO activates p21ras by an action which mimics that of guanine nucleotide exchange factors. Guanine Nucleotides 130-148 H3 histone pseudogene 16 Homo sapiens 23-26 7708740-3 1995 The p200 protein is dissociated from Golgi membranes in the presence of brefeldin A and it is induced to bind to Golgi membranes by activation of guanine nucleotide binding proteins (G proteins) with guanosine 5"-[gamma-thio]triphosphate or aluminum fluoride. Guanine Nucleotides 146-164 ADP ribosylation factor guanine nucleotide exchange factor 1 Homo sapiens 4-8 7892252-0 1995 A region in the cytosolic domain of the epidermal growth factor receptor antithetically regulates the stimulatory and inhibitory guanine nucleotide-binding regulatory proteins of adenylyl cyclase. Guanine Nucleotides 129-147 epidermal growth factor receptor Mus musculus 40-72 7890612-2 1995 The detergent 3-[(3-cholamidopropyl)dimethylammonio]-1-propanesulfonate increased guanine nucleotide binding to Rab5 WT approximately 10-fold. Guanine Nucleotides 82-100 RAB5A, member RAS oncogene family Homo sapiens 112-116 7882974-1 1995 RCC1 (the regulator of chromosome condensation) stimulates guanine nucleotide dissociation on the Ras-related nuclear protein Ran. Guanine Nucleotides 59-77 regulator of chromosome condensation 1 Homo sapiens 0-4 7718090-2 1995 It is now recognized that guanine nucleotide binding proteins play an important role in signal transduction by the T-cell receptor (TCR) and cytokine receptors. Guanine Nucleotides 26-44 T cell receptor beta variable 20/OR9-2 (non-functional) Homo sapiens 115-130 7718090-2 1995 It is now recognized that guanine nucleotide binding proteins play an important role in signal transduction by the T-cell receptor (TCR) and cytokine receptors. Guanine Nucleotides 26-44 T cell receptor beta variable 20/OR9-2 (non-functional) Homo sapiens 132-135 7718090-3 1995 Here, Manolo Izquierdo Pastor, Karin Reif and Doreen Cantrell review the numerous recent advances in understanding how the p21ras guanine nucleotide binding protein couples the TCR to the T-cell signalling cascade. Guanine Nucleotides 130-148 HRas proto-oncogene, GTPase Homo sapiens 123-129 7718090-3 1995 Here, Manolo Izquierdo Pastor, Karin Reif and Doreen Cantrell review the numerous recent advances in understanding how the p21ras guanine nucleotide binding protein couples the TCR to the T-cell signalling cascade. Guanine Nucleotides 130-148 T cell receptor beta variable 20/OR9-2 (non-functional) Homo sapiens 177-180 7622606-2 1995 The molecular mechanism may involve the RCC1 protein, which catalyses guanine nucleotide exchange on the Ras-related nuclear protein, Ran (or TC4). Guanine Nucleotides 70-88 regulator of chromosome condensation 1 S homeolog Xenopus laevis 40-44 7622606-2 1995 The molecular mechanism may involve the RCC1 protein, which catalyses guanine nucleotide exchange on the Ras-related nuclear protein, Ran (or TC4). Guanine Nucleotides 70-88 RAN, member RAS oncogene family S homeolog Xenopus laevis 134-137 7622606-2 1995 The molecular mechanism may involve the RCC1 protein, which catalyses guanine nucleotide exchange on the Ras-related nuclear protein, Ran (or TC4). Guanine Nucleotides 70-88 RAN, member RAS oncogene family S homeolog Xenopus laevis 142-145 7884323-0 1995 TNF-alpha stimulates increased plasma membrane guanine nucleotide binding protein activity in polymorphonuclear leukocytes. Guanine Nucleotides 47-65 tumor necrosis factor Homo sapiens 0-9 7884323-3 1995 fMLP-stimulated guanine nucleotide binding (G) protein activation was significantly increased in plasma membranes isolated from PMNs exposed to TNF-alpha 100 U/ml for 10 minutes (TNF-M), compared to membranes from control cells (CM). Guanine Nucleotides 16-34 formyl peptide receptor 1 Homo sapiens 0-4 7884323-3 1995 fMLP-stimulated guanine nucleotide binding (G) protein activation was significantly increased in plasma membranes isolated from PMNs exposed to TNF-alpha 100 U/ml for 10 minutes (TNF-M), compared to membranes from control cells (CM). Guanine Nucleotides 16-34 tumor necrosis factor Homo sapiens 144-153 7884323-3 1995 fMLP-stimulated guanine nucleotide binding (G) protein activation was significantly increased in plasma membranes isolated from PMNs exposed to TNF-alpha 100 U/ml for 10 minutes (TNF-M), compared to membranes from control cells (CM). Guanine Nucleotides 16-34 tumor necrosis factor Homo sapiens 144-147 7758839-3 1995 FSHR- (645-653) peptide amide promoted guanine nucleotide exchange in rat testis membranes, presumably via its interaction with membrane-associated G protein, but did not inhibit FSH binding to testis membrane receptors. Guanine Nucleotides 39-57 follicle stimulating hormone receptor Rattus norvegicus 0-4 7852400-2 1995 Phospholipase D (PLD) activation by guanine nucleotides requires protein cofactors in both the plasma membrane and the cytosol. Guanine Nucleotides 36-55 glycosylphosphatidylinositol specific phospholipase D1 Homo sapiens 0-15 7852400-2 1995 Phospholipase D (PLD) activation by guanine nucleotides requires protein cofactors in both the plasma membrane and the cytosol. Guanine Nucleotides 36-55 glycosylphosphatidylinositol specific phospholipase D1 Homo sapiens 17-20 7883018-1 1995 We have previously implemented a combined genetic/biochemical approach, for analysis of insertion-deletion mutants, to identify sites of Harvey-Ras participating in the interaction with guanine nucleotide exchangers, using the yeast Cdc25 as a model exchanger. Guanine Nucleotides 186-204 Ras family guanine nucleotide exchange factor CDC25 Saccharomyces cerevisiae S288C 233-238 7735837-1 1995 BACKGROUND: Proline-rich segments in the guanine nucleotide exchange factor C3G bind much more strongly to the N-terminal Src homology 3 domain (SH3-N) of the proto-oncogene product c-Crk than to other SH3 domains. Guanine Nucleotides 41-59 Rap guanine nucleotide exchange factor 1 Homo sapiens 76-79 7735837-1 1995 BACKGROUND: Proline-rich segments in the guanine nucleotide exchange factor C3G bind much more strongly to the N-terminal Src homology 3 domain (SH3-N) of the proto-oncogene product c-Crk than to other SH3 domains. Guanine Nucleotides 41-59 cyclin dependent kinase 20 Homo sapiens 182-187 7882974-1 1995 RCC1 (the regulator of chromosome condensation) stimulates guanine nucleotide dissociation on the Ras-related nuclear protein Ran. Guanine Nucleotides 59-77 RAN, member RAS oncogene family Homo sapiens 126-129 7761622-2 1995 Guanine nucleotides inhibited 125I-motilin binding in rabbit antral tissue and increased the dissociation of motilin from its receptor. Guanine Nucleotides 0-19 promotilin Oryctolagus cuniculus 35-42 7844142-10 1995 The discovery of its guanine nucleotide-binding domain, however, makes it likely that its role is more complex than that of a passive anchor for SR alpha. Guanine Nucleotides 21-39 macrophage scavenger receptor 1 Homo sapiens 145-153 7761622-2 1995 Guanine nucleotides inhibited 125I-motilin binding in rabbit antral tissue and increased the dissociation of motilin from its receptor. Guanine Nucleotides 0-19 promotilin Oryctolagus cuniculus 109-116 7830057-0 1995 Coupling of the human Y2 receptor for neuropeptide Y and peptide YY to guanine nucleotide inhibitory proteins in permeabilized SMS-KAN cells. Guanine Nucleotides 71-89 peptide YY Homo sapiens 57-67 7819259-1 1995 The guanine nucleotide dissociation and GTPase reactions of Ran, a Ras-related nuclear protein, have been investigated using different fluorescence techniques to determine how these reactions are stimulated by the guanine nucleotide exchange factor RCC1 and the other regulatory protein, RanGAP1 (GTPase-activating protein). Guanine Nucleotides 4-22 RAN, member RAS oncogene family Homo sapiens 60-63 7829473-1 1995 Insulin receptor signaling acutely stimulates GTP loading of p21ras, apparently by mobilizing complexes of Grb2 and the guanine nucleotide exchangers Son-of-sevenless (Sos) 1 and 2 to associate with tyrosine-phosphorylated proteins in the plasma membrane. Guanine Nucleotides 120-138 insulin receptor Mus musculus 0-16 7829473-1 1995 Insulin receptor signaling acutely stimulates GTP loading of p21ras, apparently by mobilizing complexes of Grb2 and the guanine nucleotide exchangers Son-of-sevenless (Sos) 1 and 2 to associate with tyrosine-phosphorylated proteins in the plasma membrane. Guanine Nucleotides 120-138 Harvey rat sarcoma virus oncogene Mus musculus 61-67 7756603-0 1995 Guanine nucleotides inhibit the stimulation of GFAP phosphorylation by glutamate. Guanine Nucleotides 0-19 glial fibrillary acidic protein Rattus norvegicus 47-51 7819259-1 1995 The guanine nucleotide dissociation and GTPase reactions of Ran, a Ras-related nuclear protein, have been investigated using different fluorescence techniques to determine how these reactions are stimulated by the guanine nucleotide exchange factor RCC1 and the other regulatory protein, RanGAP1 (GTPase-activating protein). Guanine Nucleotides 4-22 regulator of chromosome condensation 1 Homo sapiens 249-253 7819259-1 1995 The guanine nucleotide dissociation and GTPase reactions of Ran, a Ras-related nuclear protein, have been investigated using different fluorescence techniques to determine how these reactions are stimulated by the guanine nucleotide exchange factor RCC1 and the other regulatory protein, RanGAP1 (GTPase-activating protein). Guanine Nucleotides 214-232 RAN, member RAS oncogene family Homo sapiens 60-63 7819259-1 1995 The guanine nucleotide dissociation and GTPase reactions of Ran, a Ras-related nuclear protein, have been investigated using different fluorescence techniques to determine how these reactions are stimulated by the guanine nucleotide exchange factor RCC1 and the other regulatory protein, RanGAP1 (GTPase-activating protein). Guanine Nucleotides 214-232 regulator of chromosome condensation 1 Homo sapiens 249-253 7819259-4 1995 The intrinsic guanine nucleotide dissociation rates of Ran are also very low and are likewise increased 10(5)-fold by the exchange factor RCC1. Guanine Nucleotides 14-32 RAN, member RAS oncogene family Homo sapiens 55-58 7819259-4 1995 The intrinsic guanine nucleotide dissociation rates of Ran are also very low and are likewise increased 10(5)-fold by the exchange factor RCC1. Guanine Nucleotides 14-32 regulator of chromosome condensation 1 Homo sapiens 138-142 7819259-8 1995 The combination of these properties leads to stabilization of the Ran(T24N)-RCC1 complex and may result in vivo in depletion of RCC1 available for stimulating guanine nucleotide exchange. Guanine Nucleotides 159-177 RAN, member RAS oncogene family Homo sapiens 66-69 7819259-8 1995 The combination of these properties leads to stabilization of the Ran(T24N)-RCC1 complex and may result in vivo in depletion of RCC1 available for stimulating guanine nucleotide exchange. Guanine Nucleotides 159-177 regulator of chromosome condensation 1 Homo sapiens 76-80 7819259-8 1995 The combination of these properties leads to stabilization of the Ran(T24N)-RCC1 complex and may result in vivo in depletion of RCC1 available for stimulating guanine nucleotide exchange. Guanine Nucleotides 159-177 regulator of chromosome condensation 1 Homo sapiens 128-132 7851434-5 1995 The stimulation of the guanine nucleotide release by Sdc25p-C was stronger for Ras2p.GDP than Ras2p.GTP, an effect that was less pronounced in the case of the p21 complexes. Guanine Nucleotides 23-41 SDC25 Saccharomyces cerevisiae S288C 53-59 7851434-5 1995 The stimulation of the guanine nucleotide release by Sdc25p-C was stronger for Ras2p.GDP than Ras2p.GTP, an effect that was less pronounced in the case of the p21 complexes. Guanine Nucleotides 23-41 Ras family GTPase RAS2 Saccharomyces cerevisiae S288C 79-84 7851434-5 1995 The stimulation of the guanine nucleotide release by Sdc25p-C was stronger for Ras2p.GDP than Ras2p.GTP, an effect that was less pronounced in the case of the p21 complexes. Guanine Nucleotides 23-41 Ras family GTPase RAS2 Saccharomyces cerevisiae S288C 94-99 8983996-5 1995 It is suggested that activation of guanine nucleotide-binding proteins by NaF leads to a long-lasting attenuation of HVA calcium current run-down in hippocampal CA1 cells. Guanine Nucleotides 35-53 carbonic anhydrase 1 Rattus norvegicus 161-164 7816803-0 1995 Expression of the wild-type p53 antioncogene induces guanine nucleotide-dependent stem cell division kinetics. Guanine Nucleotides 53-71 tumor protein p53 Homo sapiens 28-31 7816803-5 1995 We show that through a guanine nucleotide-dependent mechanism, the p53 antioncogene can induce exponentially dividing cells to switch to an asymmetric stem cell growth pattern. Guanine Nucleotides 23-41 tumor protein p53 Homo sapiens 67-70 7484423-6 1995 For instance, some AT2 receptors are regulated by guanine nucleotides and sulfhydryl-reducing agents, whereas others are insensitive. Guanine Nucleotides 50-69 angiotensin II receptor type 2 Homo sapiens 19-22 7476457-0 1995 Guanine nucleotide exchange catalyzed by dbl oncogene product. Guanine Nucleotides 0-18 MCF.2 cell line derived transforming sequence Homo sapiens 41-44 7475979-4 1995 Agonist affinity at the cloned OT receptor is decreased by guanine nucleotide analogs, demonstrating functional G-protein-coupling. Guanine Nucleotides 59-77 oxytocin/neurophysin I prepropeptide Homo sapiens 31-33 7828890-8 1994 A glutathione S-transferase fusion protein containing the C terminus of the cdc25 product can stimulate guanine nucleotide exchange on H-Ras in vitro. Guanine Nucleotides 104-122 cell division cycle 25C Homo sapiens 76-81 8524141-0 1995 Analysis of intrinsic and CDC25-stimulated guanine nucleotide exchange of p21ras-nucleotide complexes by fluorescence measurements. Guanine Nucleotides 43-61 cell division cycle 25C Homo sapiens 26-31 8524141-0 1995 Analysis of intrinsic and CDC25-stimulated guanine nucleotide exchange of p21ras-nucleotide complexes by fluorescence measurements. Guanine Nucleotides 43-61 HRas proto-oncogene, GTPase Homo sapiens 74-80 8583915-0 1995 Catalysis of guanine nucleotide exchange of Ran by RCC1 and stimulation of hydrolysis of Ran-bound GTP by Ran-GAP1. Guanine Nucleotides 13-31 RAN, member RAS oncogene family Homo sapiens 44-47 8583915-0 1995 Catalysis of guanine nucleotide exchange of Ran by RCC1 and stimulation of hydrolysis of Ran-bound GTP by Ran-GAP1. Guanine Nucleotides 13-31 regulator of chromosome condensation 1 Homo sapiens 51-55 7651912-5 1995 The binding of [125I]VIP to membranes was sensitive to guanine nucleotides in a dose-dependent manner. Guanine Nucleotides 55-74 vasoactive intestinal peptide Rattus norvegicus 21-24 7809086-0 1994 Identification of the guanine nucleotide dissociation stimulator for Ral as a putative effector molecule of R-ras, H-ras, K-ras, and Rap. Guanine Nucleotides 22-40 ral guanine nucleotide dissociation stimulator Homo sapiens 69-72 7809086-0 1994 Identification of the guanine nucleotide dissociation stimulator for Ral as a putative effector molecule of R-ras, H-ras, K-ras, and Rap. Guanine Nucleotides 22-40 HRas proto-oncogene, GTPase Homo sapiens 115-120 7809057-3 1994 kir mRNA has a rapid turnover and encodes a protein of 33 kDa with guanine nucleotide-binding activity but undetectable intrinsic GTPase activity. Guanine Nucleotides 67-85 killer cell immunoglobulin like receptor, two Ig domains and long cytoplasmic tail 4 Homo sapiens 0-3 7809086-0 1994 Identification of the guanine nucleotide dissociation stimulator for Ral as a putative effector molecule of R-ras, H-ras, K-ras, and Rap. Guanine Nucleotides 22-40 KRAS proto-oncogene, GTPase Homo sapiens 122-127 7809086-0 1994 Identification of the guanine nucleotide dissociation stimulator for Ral as a putative effector molecule of R-ras, H-ras, K-ras, and Rap. Guanine Nucleotides 22-40 LDL receptor related protein associated protein 1 Homo sapiens 133-136 7809086-2 1994 Several clones were obtained encoding the C-terminal region of the guanine nucleotide dissociation stimulator for Ral (RalGDS). Guanine Nucleotides 67-85 ral guanine nucleotide dissociation stimulator Homo sapiens 114-117 7809086-2 1994 Several clones were obtained encoding the C-terminal region of the guanine nucleotide dissociation stimulator for Ral (RalGDS). Guanine Nucleotides 67-85 ral guanine nucleotide dissociation stimulator Homo sapiens 119-125 7895067-0 1994 Guanosine phosphate analogs modulate ethanol potentiation of GABAA-mediated synaptic currents in hippocampal CA1 neurons. Guanine Nucleotides 0-19 carbonic anhydrase 1 Rattus norvegicus 109-112 7989376-10 1994 Addition of both the short and long form of recombinant Gs alpha (rGs alpha-s and rGs alpha-L) restored guanine nucleotide-dependent adenylyl cyclase activity to oGTP-treated platelet membranes with rGs alpha-L being approximately 3-10-fold more potent than rGs alpha-s. Guanine Nucleotides 104-122 GNAS complex locus Homo sapiens 56-64 7895067-2 1994 As a preliminary step to further characterize this interaction, we used the whole-cell patch-clamp technique to study the effects of guanosine phosphate analogs on ethanol potentiation of GABAA-mediated synaptic transmission in rat hippocampal CA1 neurons. Guanine Nucleotides 133-152 carbonic anhydrase 1 Rattus norvegicus 244-247 7988425-4 1994 To assess whether EGF stimulates guanine nucleotide exchange by recruiting Grb-2-Sos complexes to the plasma membrane, we measured GEF activity in both the cytosol and the plasma membrane fractions of the insulin- and EGF-treated cells. Guanine Nucleotides 33-51 epidermal growth factor Homo sapiens 18-21 7983024-2 1994 Growth factor receptor binding protein-2 (GRB2) and Shc have been shown to link growth factor receptor activation with guanine nucleotide exchange on p21-ras. Guanine Nucleotides 119-137 growth factor receptor bound protein 2 Rattus norvegicus 0-40 7983024-2 1994 Growth factor receptor binding protein-2 (GRB2) and Shc have been shown to link growth factor receptor activation with guanine nucleotide exchange on p21-ras. Guanine Nucleotides 119-137 growth factor receptor bound protein 2 Rattus norvegicus 42-46 7983024-2 1994 Growth factor receptor binding protein-2 (GRB2) and Shc have been shown to link growth factor receptor activation with guanine nucleotide exchange on p21-ras. Guanine Nucleotides 119-137 HRas proto-oncogene, GTPase Rattus norvegicus 150-157 7527027-6 1994 Cytosolic and depalmitoylated membrane-extracted GAP-43 were found to stimulate guanine nucleotide binding and exchange activity in chromaffin granule membranes. Guanine Nucleotides 80-98 growth associated protein 43 Homo sapiens 49-55 7988425-2 1994 As both growth factors have been shown to stimulate guanine nucleotide exchange on p21Ras in permeabilized cells, we examined their effects on total cellular guanine nucleotide exchange factor (GEF) activity in a direct assay, using the rate of dissociation of [3H]GDP from p21Ras as a measure of GEF activity. Guanine Nucleotides 52-70 HRas proto-oncogene, GTPase Homo sapiens 83-89 7988425-7 1994 Thus, whereas insulin stimulates guanine nucleotide exchange on Ras by both translocating Grb-2-Sos complexes to the plasma membrane and increasing the GEF activity of Sos, EGF does so by causing a translocation of Grb-2-Sos without increasing GEF activity. Guanine Nucleotides 33-51 insulin Homo sapiens 14-21 7988425-7 1994 Thus, whereas insulin stimulates guanine nucleotide exchange on Ras by both translocating Grb-2-Sos complexes to the plasma membrane and increasing the GEF activity of Sos, EGF does so by causing a translocation of Grb-2-Sos without increasing GEF activity. Guanine Nucleotides 33-51 growth factor receptor bound protein 2 Homo sapiens 90-95 7877135-4 1994 In reconstitution experiments, rat GS-alpha(S and L), solubilized from yeast membranes with 1% cholate, conferred NaF-, (-)isoproterenol-, and guanine nucleotide-dependent sensitivity to adenylyl cyclase catalytic units in S49 lymphoma cyc- cell membranes, which are devoid of endogenous GS-alpha. Guanine Nucleotides 143-161 GNAS complex locus Homo sapiens 35-43 7882015-10 1994 The high affinity component of the ET-1 inhibition curve was subsequently eliminated in the presence of 1 mM GTP-gamma-S The guanine nucleotide sensitivity of [125I]BQ3020 binding offers the possibility that different functional consequences of ETB receptor activation may be mediated by multiple affinity states of the receptor. Guanine Nucleotides 125-143 endothelin 1 Rattus norvegicus 35-39 7947984-10 1994 Since guanine nucleotides GTP, GTP gamma S, GDP beta S selectively dissociated the 7S complex in a concentration-dependent manner and adenine nucleotides had no effect, we conclude that the FPR-Gi2 system displays a vacant guanyl nucleotide binding site, the hallmark of a functional guanine nucleotide exchange complex. Guanine Nucleotides 6-24 formyl peptide receptor 1 Homo sapiens 190-193 7973725-1 1994 Light absorption by rhodopsin generates metarhodopsin, which activates heterotrimeric guanine nucleotide-binding proteins (G proteins) in photoreceptor cells of vertebrates and invertebrates. Guanine Nucleotides 86-104 neither inactivation nor afterpotential E Drosophila melanogaster 20-29 7895773-2 1994 The human 5-HT2C receptor gene, unlike many other genes for guanine nucleotide binding (G)-proteins, contains three introns which interrupt the coding sequence into four exons. Guanine Nucleotides 60-78 5-hydroxytryptamine (serotonin) receptor 2C Mus musculus 10-25 7954831-5 1994 FGD1 codes for a 961 amino acid protein that has strong homology to Rho/Rac guanine nucleotide exchange factors (GEFs), contains a cysteine-rich zinc finger-like region, and, like the RasGEF mSos, contains two potential SH3-binding sites. Guanine Nucleotides 76-94 FYVE, RhoGEF and PH domain containing 1 Homo sapiens 0-4 7972015-0 1994 Activated Ras interacts with the Ral guanine nucleotide dissociation stimulator. Guanine Nucleotides 37-55 RAS like proto-oncogene A Homo sapiens 33-36 7961665-1 1994 The early growth response zinc finger transcription factor (EGR-1) and the heterotrimeric guanine nucleotide binding protein encoded by the protooncogene G alpha i-2 each play pivotal roles in signaling pathways that control cell growth and differentiation. Guanine Nucleotides 90-108 EGR-1 Sus scrofa 60-65 7972015-2 1994 The H-Ras protein was found to interact with a guanine nucleotide dissociation stimulator (GDS) that has been previously shown to regulate guanine nucleotide exchange on another member of the Ras protein family, Ral. Guanine Nucleotides 47-65 HRas proto-oncogene, GTPase Homo sapiens 4-9 7972015-2 1994 The H-Ras protein was found to interact with a guanine nucleotide dissociation stimulator (GDS) that has been previously shown to regulate guanine nucleotide exchange on another member of the Ras protein family, Ral. Guanine Nucleotides 47-65 RAS like proto-oncogene A Homo sapiens 212-215 7972015-2 1994 The H-Ras protein was found to interact with a guanine nucleotide dissociation stimulator (GDS) that has been previously shown to regulate guanine nucleotide exchange on another member of the Ras protein family, Ral. Guanine Nucleotides 139-157 HRas proto-oncogene, GTPase Homo sapiens 4-9 7972015-2 1994 The H-Ras protein was found to interact with a guanine nucleotide dissociation stimulator (GDS) that has been previously shown to regulate guanine nucleotide exchange on another member of the Ras protein family, Ral. Guanine Nucleotides 139-157 RAS like proto-oncogene A Homo sapiens 212-215 7972043-5 1994 By using an in vitro binding assay and an in vivo competition assay, the pleckstrin homology domain of Btk was shown to interact with the beta gamma dimer of heterotrimeric guanine nucleotide-binding proteins (G proteins). Guanine Nucleotides 173-191 Bruton tyrosine kinase Homo sapiens 103-106 7965763-6 1994 Guanine nucleotides also inhibited [125I]ANG II binding and abolished the high affinity component of agonist inhibition of (Ser1,Ile8)-[125I]ANG II binding, indicating G protein coupling. Guanine Nucleotides 0-19 angiotensinogen Homo sapiens 41-47 7977700-2 1994 Here we have shown that the AT2-receptor-mediated stimulation of neuronal IK by ANG II (100 nM) was abolished by pretreatment of cultures with pertussis toxin (PTX; 200 ng/ml) and by intracellular application of an antibody against the inhibitory guanine nucleotide (GTP) binding protein (anti-Gi alpha, 1:200). Guanine Nucleotides 247-265 angiotensin II receptor, type 2 Rattus norvegicus 28-31 7977700-2 1994 Here we have shown that the AT2-receptor-mediated stimulation of neuronal IK by ANG II (100 nM) was abolished by pretreatment of cultures with pertussis toxin (PTX; 200 ng/ml) and by intracellular application of an antibody against the inhibitory guanine nucleotide (GTP) binding protein (anti-Gi alpha, 1:200). Guanine Nucleotides 247-265 angiotensinogen Rattus norvegicus 80-86 7853016-2 1994 Like other guanine nucleotide-binding proteins p21ras is active when GTP bound and inactive when GDP bound. Guanine Nucleotides 11-29 H3 histone pseudogene 16 Homo sapiens 47-50 7965763-6 1994 Guanine nucleotides also inhibited [125I]ANG II binding and abolished the high affinity component of agonist inhibition of (Ser1,Ile8)-[125I]ANG II binding, indicating G protein coupling. Guanine Nucleotides 0-19 angiotensinogen Homo sapiens 141-147 7957046-5 1994 Purified Ost protein catalyzed guanine nucleotide exchange on RhoA and Cdc42 among the Rho and Ras family members tested, indicating that Ost can activate these small GTP-binding proteins. Guanine Nucleotides 31-49 mcf.2 transforming sequence-like Mus musculus 9-12 7935432-8 1994 The sequence of p190 in the GTP-binding domain, which shares structural features with both the Ras-like small GTPases and the larger G proteins, suggests that this protein defines a novel class of guanine nucleotide-binding proteins. Guanine Nucleotides 197-215 contactin associated protein 1 Homo sapiens 16-20 7957046-5 1994 Purified Ost protein catalyzed guanine nucleotide exchange on RhoA and Cdc42 among the Rho and Ras family members tested, indicating that Ost can activate these small GTP-binding proteins. Guanine Nucleotides 31-49 ras homolog family member A Mus musculus 62-66 7957046-5 1994 Purified Ost protein catalyzed guanine nucleotide exchange on RhoA and Cdc42 among the Rho and Ras family members tested, indicating that Ost can activate these small GTP-binding proteins. Guanine Nucleotides 31-49 cell division cycle 42 Mus musculus 71-76 7957046-5 1994 Purified Ost protein catalyzed guanine nucleotide exchange on RhoA and Cdc42 among the Rho and Ras family members tested, indicating that Ost can activate these small GTP-binding proteins. Guanine Nucleotides 31-49 mcf.2 transforming sequence-like Mus musculus 138-141 7524075-6 1994 This tyrosine phosphorylation of p72ITK/EMT is rapid (within 30 sec), occurs in the absence of LCK activation, and precedes tyrosine phosphorylation of the guanine nucleotide exchange factor VAV. Guanine Nucleotides 156-174 IL2 inducible T cell kinase Homo sapiens 40-43 7929124-1 1994 Angiotensin II (AII) receptors are known to interact with two distinct guanine nucleotide binding proteins, Gq/11 and Gi, in rat adrenal glomerulosa cells to activate phospholipase C and to inhibit adenylate cyclase, respectively. Guanine Nucleotides 71-89 angiotensinogen Rattus norvegicus 0-14 7969042-0 1994 Kinetics and reversibility of thyrotropin-releasing hormone-stimulated guanine nucleotide exchange in membranes from GH4C1 cells. Guanine Nucleotides 71-89 thyrotropin releasing hormone Rattus norvegicus 30-59 7969042-1 1994 To evaluate the role of thyrotropin-releasing hormone (TRH)-stimulated guanine nucleotide exchange in the biphasic cellular responses to TRH, we have examined the kinetics, reversibility, and inhibition by QC120 (an antiserum recognizing the carboxyl terminus of alpha q/11) of TRH-stimulated guanosine-5"-(alpha-[35S] thio)triphosphate ([35S]GTP alpha S) binding in membranes from GH4C1 cells. Guanine Nucleotides 71-89 thyrotropin releasing hormone Rattus norvegicus 24-53 7969042-1 1994 To evaluate the role of thyrotropin-releasing hormone (TRH)-stimulated guanine nucleotide exchange in the biphasic cellular responses to TRH, we have examined the kinetics, reversibility, and inhibition by QC120 (an antiserum recognizing the carboxyl terminus of alpha q/11) of TRH-stimulated guanosine-5"-(alpha-[35S] thio)triphosphate ([35S]GTP alpha S) binding in membranes from GH4C1 cells. Guanine Nucleotides 71-89 thyrotropin releasing hormone Rattus norvegicus 55-58 7929073-6 1994 5-Lipoxygenase contains a consensus guanine nucleotide-binding site at residues 296-299, and guanine nucleotides inhibit 5-lipoxygenase activity in vitro. Guanine Nucleotides 36-54 arachidonate 5-lipoxygenase Homo sapiens 0-14 7929073-6 1994 5-Lipoxygenase contains a consensus guanine nucleotide-binding site at residues 296-299, and guanine nucleotides inhibit 5-lipoxygenase activity in vitro. Guanine Nucleotides 36-54 arachidonate 5-lipoxygenase Homo sapiens 121-135 7929073-6 1994 5-Lipoxygenase contains a consensus guanine nucleotide-binding site at residues 296-299, and guanine nucleotides inhibit 5-lipoxygenase activity in vitro. Guanine Nucleotides 93-112 arachidonate 5-lipoxygenase Homo sapiens 0-14 7929073-6 1994 5-Lipoxygenase contains a consensus guanine nucleotide-binding site at residues 296-299, and guanine nucleotides inhibit 5-lipoxygenase activity in vitro. Guanine Nucleotides 93-112 arachidonate 5-lipoxygenase Homo sapiens 121-135 7937804-0 1994 Isolation of cDNAs encoding guanine nucleotide-binding protein beta-subunit homologues from maize (ZGB1) and Arabidopsis (AGB1). Guanine Nucleotides 28-46 guanine nucleotide-binding protein subunit beta Zea mays 99-103 7937804-0 1994 Isolation of cDNAs encoding guanine nucleotide-binding protein beta-subunit homologues from maize (ZGB1) and Arabidopsis (AGB1). Guanine Nucleotides 28-46 GTP binding protein beta 1 Arabidopsis thaliana 122-126 8089153-2 1994 GMP synthetase is a key enzyme in the de novo synthesis of guanine nucleotides. Guanine Nucleotides 59-78 guanine monophosphate synthase Homo sapiens 0-14 8090790-6 1994 C5a also stimulates guanine nucleotide exchange and activation of Ras. Guanine Nucleotides 20-38 complement C5a receptor 1 Homo sapiens 0-3 7524075-6 1994 This tyrosine phosphorylation of p72ITK/EMT is rapid (within 30 sec), occurs in the absence of LCK activation, and precedes tyrosine phosphorylation of the guanine nucleotide exchange factor VAV. Guanine Nucleotides 156-174 vav guanine nucleotide exchange factor 1 Homo sapiens 191-194 8077219-0 1994 Prenylation of Ras proteins is required for efficient hSOS1-promoted guanine nucleotide exchange. Guanine Nucleotides 69-87 SOS Ras/Rac guanine nucleotide exchange factor 1 Homo sapiens 54-59 8077219-1 1994 We have studied whether hSOS1, a mammalian guanine nucleotide exchange factors responsible for activating Ras in response to growth factor stimulation, requires post-translational processing of Ras proteins to promote guanine nucleotide exchange. Guanine Nucleotides 43-61 SOS Ras/Rac guanine nucleotide exchange factor 1 Homo sapiens 24-29 8077219-1 1994 We have studied whether hSOS1, a mammalian guanine nucleotide exchange factors responsible for activating Ras in response to growth factor stimulation, requires post-translational processing of Ras proteins to promote guanine nucleotide exchange. Guanine Nucleotides 218-236 SOS Ras/Rac guanine nucleotide exchange factor 1 Homo sapiens 24-29 8077219-2 1994 Our results showed that full-length hSOS1 catalyzed guanine nucleotide exchange on prenylated K-Ras(4B) but with a much lower efficiency on unprocessed K-Ras(4B). Guanine Nucleotides 52-70 SOS Ras/Rac guanine nucleotide exchange factor 1 Homo sapiens 36-41 8077219-2 1994 Our results showed that full-length hSOS1 catalyzed guanine nucleotide exchange on prenylated K-Ras(4B) but with a much lower efficiency on unprocessed K-Ras(4B). Guanine Nucleotides 52-70 KRAS proto-oncogene, GTPase Homo sapiens 94-102 8077219-7 1994 Similarly hSOS1 promoted guanine nucleotide exchange on prenylated Ha-Ras but showed minimal activity toward unprocessed Ha-Ras. Guanine Nucleotides 25-43 SOS Ras/Rac guanine nucleotide exchange factor 1 Homo sapiens 10-15 8077219-8 1994 Neither the polybasic domain of K-Ras (4B) or palmitoylation of Ha-Ras were required for hSOS1-promoted guanine nucleotide exchange. Guanine Nucleotides 104-122 SOS Ras/Rac guanine nucleotide exchange factor 1 Homo sapiens 89-94 8077219-9 1994 We attempted to identify a minimal region of hSOS1 capable of promoting guanine nucleotide exchange on both prenylated and unprocessed K-Ras. Guanine Nucleotides 72-90 SOS Ras/Rac guanine nucleotide exchange factor 1 Homo sapiens 45-50 8077219-9 1994 We attempted to identify a minimal region of hSOS1 capable of promoting guanine nucleotide exchange on both prenylated and unprocessed K-Ras. Guanine Nucleotides 72-90 KRAS proto-oncogene, GTPase Homo sapiens 135-140 8071312-5 1994 It has also been shown that SF/HGF activates the protooncogene product Ras, i.e. stimulates guanine nucleotide exchange. Guanine Nucleotides 92-110 hepatocyte growth factor Canis lupus familiaris 28-34 7898460-1 1994 ADP-ribosylation factors (ARFs) comprise a family of approximately 20 kDa guanine nucleotide-binding proteins that were discovered as one of several cofactors required in cholera toxin-catalyzed ADP-ribosylation of Gs alpha, the guanine nucleotide-binding protein responsible for stimulation of adenylyl cyclase, and was subsequently found to enhance all cholera toxin-catalyzed reactions and to directly interact with, and activate the toxin. Guanine Nucleotides 74-92 GNAS complex locus Homo sapiens 215-223 8089173-0 1994 Guanine nucleotide dissociation inhibitor is essential for Rab1 function in budding from the endoplasmic reticulum and transport through the Golgi stack. Guanine Nucleotides 0-18 RAB1A, member RAS oncogene family Rattus norvegicus 59-63 8089173-2 1994 In the present study, we examine the role of guanine nucleotide dissociation inhibitor (GDI) in regulating the function of Rab1 in the transport of vesicular stomatitis virus glycoprotein (VSV-G) in vitro. Guanine Nucleotides 45-63 RAB1A, member RAS oncogene family Rattus norvegicus 123-127 7898460-1 1994 ADP-ribosylation factors (ARFs) comprise a family of approximately 20 kDa guanine nucleotide-binding proteins that were discovered as one of several cofactors required in cholera toxin-catalyzed ADP-ribosylation of Gs alpha, the guanine nucleotide-binding protein responsible for stimulation of adenylyl cyclase, and was subsequently found to enhance all cholera toxin-catalyzed reactions and to directly interact with, and activate the toxin. Guanine Nucleotides 229-247 GNAS complex locus Homo sapiens 215-223 8078913-1 1994 Growth factor-triggered activation of Ras proteins is believed to be mediated by guanine nucleotide exchange factors (CDC25/GRF and SOS1/2) that promote formation of the active Ras GTP-bound state. Guanine Nucleotides 81-99 cell division cycle 25C Mus musculus 118-123 8078913-1 1994 Growth factor-triggered activation of Ras proteins is believed to be mediated by guanine nucleotide exchange factors (CDC25/GRF and SOS1/2) that promote formation of the active Ras GTP-bound state. Guanine Nucleotides 81-99 growth hormone releasing hormone Mus musculus 124-127 8078913-1 1994 Growth factor-triggered activation of Ras proteins is believed to be mediated by guanine nucleotide exchange factors (CDC25/GRF and SOS1/2) that promote formation of the active Ras GTP-bound state. Guanine Nucleotides 81-99 SOS Ras/Rac guanine nucleotide exchange factor 1 Mus musculus 132-138 8049218-0 1994 Phosphorylation of the guanine nucleotide exchange factor and eukaryotic initiation factor 2 by casein kinase II regulates guanine nucleotide binding and GDP/GTP exchange. Guanine Nucleotides 123-141 transcription termination factor 2 Homo sapiens 84-92 8058333-0 1994 Ras-15A protein shares highly similar dominant-negative biological properties with Ras-17N and forms a stable, guanine-nucleotide resistant complex with CDC25 exchange factor. Guanine Nucleotides 111-129 cell division cycle 25C Homo sapiens 153-158 8049218-2 1994 Since guanine nucleotide exchange is the rate-limiting step in the recycling of eIF-2, we examined the effects of phosphorylation of GEF and eIF-2 on guanine nucleotide binding and the rate of GDP/GTP exchange. Guanine Nucleotides 6-24 eukaryotic translation initiation factor 2 subunit beta Homo sapiens 80-85 8049218-3 1994 Phosphorylation of the 82-kDa subunit of GEF in vitro by casein kinase (CK) II results in the stimulation of guanine nucleotide exchange [Dholakia, J. N., & Wahba, A. J. Guanine Nucleotides 109-127 Rho/Rac guanine nucleotide exchange factor 2 Homo sapiens 41-44 8049218-3 1994 Phosphorylation of the 82-kDa subunit of GEF in vitro by casein kinase (CK) II results in the stimulation of guanine nucleotide exchange [Dholakia, J. N., & Wahba, A. J. Guanine Nucleotides 109-127 casein kinase 2 alpha 1 Homo sapiens 57-78 8049218-10 1994 In this study we demonstrate that treatment of CK-II-phosphorylated GEF or eIF-2 with alkaline phosphatase specifically removes more than 85% of the phosphate incorporated into the factors and alters guanine nucleotide binding to these proteins. Guanine Nucleotides 200-218 casein kinase 2 alpha 1 Homo sapiens 47-52 8049218-10 1994 In this study we demonstrate that treatment of CK-II-phosphorylated GEF or eIF-2 with alkaline phosphatase specifically removes more than 85% of the phosphate incorporated into the factors and alters guanine nucleotide binding to these proteins. Guanine Nucleotides 200-218 Rho/Rac guanine nucleotide exchange factor 2 Homo sapiens 68-71 8049218-10 1994 In this study we demonstrate that treatment of CK-II-phosphorylated GEF or eIF-2 with alkaline phosphatase specifically removes more than 85% of the phosphate incorporated into the factors and alters guanine nucleotide binding to these proteins. Guanine Nucleotides 200-218 eukaryotic translation initiation factor 2 subunit beta Homo sapiens 75-80 8052636-8 1994 (c) Guanine nucleotides that bind to EF-1 alpha protect the ubiquitin system-related activity of FH from heat inactivation, and nucleotides that do not bind do not exert this effect. Guanine Nucleotides 4-23 eukaryotic translation elongation factor 1 alpha 2 Homo sapiens 37-47 7857771-7 1994 This phosphorylation of Gi alpha 2 is inhibited if the G-protein is first activated with GTP or inactivated with GDP, suggesting that the phosphorylation may be occurring in the guanine nucleotide binding region. Guanine Nucleotides 178-196 guanine nucleotide binding protein (G protein), alpha inhibiting 2 Mus musculus 24-32 8036006-9 1994 Also, our data show that EGF receptors are able to phosphorylate SHC, activate the exchange of guanine nucleotide on ras and phosphorylate MAPK by a mechanism that does not require receptor autophosphorylation sites and, therefore, the src homology 2 (SH2):phosphotyrosine-dependent interaction of SHC or GRB2 with the EGF receptor. Guanine Nucleotides 95-113 epidermal growth factor receptor Mus musculus 25-37 8034651-6 1994 Purified recombinant human Arl3 was shown to bind guanine nucleotides but lacks ARF activity and intrinsic or ARF GTPase-activating protein-stimulated GTPase activity. Guanine Nucleotides 50-69 ADP ribosylation factor like GTPase 3 Homo sapiens 27-31 8034651-7 1994 In contrast to ARF proteins, the Arl3 protein has reduced dependence on phospholipids and magnesium for guanine nucleotide exchange. Guanine Nucleotides 104-122 ADP ribosylation factor like GTPase 3 Homo sapiens 33-37 8015606-2 1994 Although the role of the G alpha subunit in effector activation, guanine nucleotide exchange and GTP hydrolysis has been well studied, the cellular functions of the G beta subunits are less well understood. Guanine Nucleotides 65-83 G protein alpha q subunit Drosophila melanogaster 25-32 15299413-1 1994 p21 is a small guanine nucleotide binding protein that is involved in intracellular signal transduction. Guanine Nucleotides 15-33 H3 histone pseudogene 16 Homo sapiens 0-3 8007958-0 1994 Expression of mutant eukaryotic initiation factor 2 alpha subunit (eIF-2 alpha) reduces inhibition of guanine nucleotide exchange activity of eIF-2B mediated by eIF-2 alpha phosphorylation. Guanine Nucleotides 102-120 eukaryotic translation initiation factor 2A Cricetulus griseus 67-78 7963069-1 1994 Pertussis toxin (islet-activating protein, IAP) sensitive guanine nucleotide-binding regulatory (G) proteins were quantitatively determined using [32P]ADP-ribosylating response in the platelet membranes prepared from patients with affective disorders (3 bipolar, 10 major depression) and sex- and age-matched controls. Guanine Nucleotides 58-76 islet amyloid polypeptide Homo sapiens 43-46 8007958-0 1994 Expression of mutant eukaryotic initiation factor 2 alpha subunit (eIF-2 alpha) reduces inhibition of guanine nucleotide exchange activity of eIF-2B mediated by eIF-2 alpha phosphorylation. Guanine Nucleotides 102-120 eukaryotic translation initiation factor 2A Cricetulus griseus 161-172 8007958-1 1994 The inhibition of protein synthesis that occurs upon phosphorylation of the alpha subunit of eukaryotic initiation factor 2 (eIF-2 alpha) at serine 51 correlates with reduced guanine nucleotide exchange activity of eIF-2B in vivo and inhibition of eIF-2B activity in vitro, although it is not known if phosphorylation is the cause of the reduced eIF-2B activity in vivo. Guanine Nucleotides 175-193 eukaryotic translation initiation factor 2A Cricetulus griseus 125-136 7969818-5 1994 These results suggest the presence of NPY receptors in rat ventral prostate coupled in an inhibitory manner to adenylyl cyclase through a guanine nucleotide regulatory Gi protein. Guanine Nucleotides 138-156 neuropeptide Y Rattus norvegicus 38-41 8022709-6 1994 The nonhydrolyzable GTP analog GTP-gamma-S caused a dose-dependent inhibition of 125I-[Tyr4]-bombesin binding to PC-3 and DU-145 cells, indicating that a G-protein (guanine nucleotide-binding protein) couples the bombesin receptor to intracellular effector systems. Guanine Nucleotides 165-183 gastrin releasing peptide Homo sapiens 93-101 8022709-6 1994 The nonhydrolyzable GTP analog GTP-gamma-S caused a dose-dependent inhibition of 125I-[Tyr4]-bombesin binding to PC-3 and DU-145 cells, indicating that a G-protein (guanine nucleotide-binding protein) couples the bombesin receptor to intracellular effector systems. Guanine Nucleotides 165-183 gastrin releasing peptide Homo sapiens 213-221 7985422-5 1994 The carboxy-terminus of the LTE1 protein also shows similarities to other guanine nucleotide exchange factors of the S. cerevisiae CDC25 family. Guanine Nucleotides 74-92 mitotic regulator LTE1 Saccharomyces cerevisiae S288C 28-32 7518075-8 1994 Multiple sequence alignment of the G domains of Srp54p and SR alpha homologs indicates that these two polypeptides exhibit significant similarity even outside the four GTPase consensus motifs, including a block of nine contiguous amino acids in a location analogous to the binding site of the guanine nucleotide dissociation stimulator (GDS) for E. coli EF-Tu. Guanine Nucleotides 293-311 signal recognition particle 54 Homo sapiens 48-54 8033990-1 1994 We have studied the interaction of the yeast RAS2 protein with guanine nucleotides using energetic parameters for the dissociation of RAS.nucleotide complexes. Guanine Nucleotides 63-82 Ras family GTPase RAS2 Saccharomyces cerevisiae S288C 45-49 8206969-0 1994 Cdc25p, the guanine nucleotide exchange factor for the Ras proteins of Saccharomyces cerevisiae, promotes exchange by stabilizing Ras in a nucleotide-free state. Guanine Nucleotides 12-30 Ras family guanine nucleotide exchange factor CDC25 Saccharomyces cerevisiae S288C 0-6 8206969-3 1994 We have characterized Cdc25p enzymologically in order to gain information about the mechanism of Cdc25p-mediated guanine nucleotide exchange and to appreciate how the activity of a GNEF is integrated as a part of a basic molecular switch module consisting of Ras, GNEF, and GAP. Guanine Nucleotides 113-131 Ras family guanine nucleotide exchange factor CDC25 Saccharomyces cerevisiae S288C 22-28 8206969-3 1994 We have characterized Cdc25p enzymologically in order to gain information about the mechanism of Cdc25p-mediated guanine nucleotide exchange and to appreciate how the activity of a GNEF is integrated as a part of a basic molecular switch module consisting of Ras, GNEF, and GAP. Guanine Nucleotides 113-131 Ras family guanine nucleotide exchange factor CDC25 Saccharomyces cerevisiae S288C 97-103 8206969-7 1994 This suggests that Cdc25p activates Ras2p primarily by equilibrating Ras2p with the pool of free guanine nucleotides in the cell rather than by driving Ras2p inexorably into the activated state. Guanine Nucleotides 97-116 Ras family guanine nucleotide exchange factor CDC25 Saccharomyces cerevisiae S288C 19-25 8206969-7 1994 This suggests that Cdc25p activates Ras2p primarily by equilibrating Ras2p with the pool of free guanine nucleotides in the cell rather than by driving Ras2p inexorably into the activated state. Guanine Nucleotides 97-116 Ras family GTPase RAS2 Saccharomyces cerevisiae S288C 36-41 8206969-7 1994 This suggests that Cdc25p activates Ras2p primarily by equilibrating Ras2p with the pool of free guanine nucleotides in the cell rather than by driving Ras2p inexorably into the activated state. Guanine Nucleotides 97-116 Ras family GTPase RAS2 Saccharomyces cerevisiae S288C 69-74 8206969-7 1994 This suggests that Cdc25p activates Ras2p primarily by equilibrating Ras2p with the pool of free guanine nucleotides in the cell rather than by driving Ras2p inexorably into the activated state. Guanine Nucleotides 97-116 Ras family GTPase RAS2 Saccharomyces cerevisiae S288C 69-74 8206969-11 1994 These data, in conjunction with the kinetic data, are consistent with the hypothesis that Cdc25p catalyzes guanine nucleotide exchange by stabilizing a nucleotide-free intermediate of Ras. Guanine Nucleotides 107-125 Ras family guanine nucleotide exchange factor CDC25 Saccharomyces cerevisiae S288C 90-96 7518075-8 1994 Multiple sequence alignment of the G domains of Srp54p and SR alpha homologs indicates that these two polypeptides exhibit significant similarity even outside the four GTPase consensus motifs, including a block of nine contiguous amino acids in a location analogous to the binding site of the guanine nucleotide dissociation stimulator (GDS) for E. coli EF-Tu. Guanine Nucleotides 293-311 macrophage scavenger receptor 1 Homo sapiens 59-67 8196614-10 1994 We show that both H-rasAsn-17 and H-rasTyr-57, compared with wild-type H-ras, are defective in their guanine nucleotide-dependent release from human cdc25 and that this defect is more severe for the H-rasTyr-57 mutant. Guanine Nucleotides 101-119 HRas proto-oncogene, GTPase Homo sapiens 18-23 7525030-15 1994 These data indicate a reversal of control by AII in the hypertrophic Dahl S heart in response to forskolin, which activates adenylyl cyclase directly on the catalytic subunit, converting the substrate, ATP, to cAMP, independent of the guanine nucleotide activated protein, and in response to isoproterenol, which activates adenylyl cyclase through G protein mechanisms. Guanine Nucleotides 235-253 angiotensinogen Rattus norvegicus 45-48 7917105-1 1994 The guanine nucleotide binding proteins p21ras are activated by the T-cell antigen receptor and play a critical role in transducing signals from the T-cell receptor to the cell nucleus. Guanine Nucleotides 4-22 HRas proto-oncogene, GTPase Homo sapiens 40-46 8196614-10 1994 We show that both H-rasAsn-17 and H-rasTyr-57, compared with wild-type H-ras, are defective in their guanine nucleotide-dependent release from human cdc25 and that this defect is more severe for the H-rasTyr-57 mutant. Guanine Nucleotides 101-119 cell division cycle 25C Homo sapiens 149-154 8187757-3 1994 We report here that overexpression in PC12 cells of Rab3a mutant proteins defective in either GTP hydrolysis or in guanine nucleotide binding inhibited exocytosis, as measured by a double indirect immunofluorescence assay. Guanine Nucleotides 115-133 RAB3A, member RAS oncogene family Rattus norvegicus 52-57 8175881-0 1994 A Rab1 mutant affecting guanine nucleotide exchange promotes disassembly of the Golgi apparatus. Guanine Nucleotides 24-42 RAB1A, member RAS oncogene family Homo sapiens 2-6 8188742-9 1994 Two proteins were found to be tightly associated with the membranes of the HSPG carrying vesicles: a member of the ADP ribosylation factor family of small guanine nucleotide-binding proteins and an unknown 14-kD peripheral membrane protein (VAPP14). Guanine Nucleotides 155-173 syndecan 2 Rattus norvegicus 75-79 8175881-7 1994 125: 225-237), and mutant rab1a(N124I) defective in guanine nucleotide binding. Guanine Nucleotides 52-70 RAB1A, member RAS oncogene family Homo sapiens 26-31 8164676-0 1994 Mutations in the GCD7 subunit of yeast guanine nucleotide exchange factor eIF-2B overcome the inhibitory effects of phosphorylated eIF-2 on translation initiation. Guanine Nucleotides 39-57 translation initiation factor eIF2B subunit beta Saccharomyces cerevisiae S288C 17-21 7921778-2 1994 This suggested similarities of the three-dimensional structure (3D structure) between the human PAF receptor and other receptors that couple to guanine nucleotide binding (G) proteins. Guanine Nucleotides 144-162 PCNA clamp associated factor Homo sapiens 96-99 8161545-2 1994 Gs is inactive when GDP is bound to the guanine nucleotide binding site of the alpha-subunit (Gs alpha). Guanine Nucleotides 40-58 GNAS complex locus Homo sapiens 94-102 8138575-5 1994 Consistent with the role of guanine nucleotide exchange in Sar1 function, a trans-dominant mutant (Sar1a[T39N]) with a preferential affinity for GDP also strongly inhibited vesicle budding from the ER. Guanine Nucleotides 28-46 secretion associated Ras related GTPase 1A Homo sapiens 59-63 8148370-7 1994 The rat p67 sequence was highly homologous to a family of recently described human and mouse gamma-interferon inducible, guanine nucleotide binding proteins. Guanine Nucleotides 121-139 guanylate binding protein 2 Rattus norvegicus 8-11 8148370-7 1994 The rat p67 sequence was highly homologous to a family of recently described human and mouse gamma-interferon inducible, guanine nucleotide binding proteins. Guanine Nucleotides 121-139 interferon gamma Mus musculus 93-109 8168527-4 1994 The anti-epsilon antibody inhibits both the guanine nucleotide exchange activity of eIF-2B and protein synthesis in the rabbit reticulocyte lysate at the level of initiation. Guanine Nucleotides 44-62 eukaryotic translation initiation factor 2B subunit delta Homo sapiens 84-90 8138575-5 1994 Consistent with the role of guanine nucleotide exchange in Sar1 function, a trans-dominant mutant (Sar1a[T39N]) with a preferential affinity for GDP also strongly inhibited vesicle budding from the ER. Guanine Nucleotides 28-46 secretion associated Ras related GTPase 1A Homo sapiens 99-104 8135791-3 1994 Of the two CDC25 fragments containing the conserved catalytic domain, only CDC25-509 could enhance the guanine nucleotide exchange on RAS2. Guanine Nucleotides 103-121 Ras family guanine nucleotide exchange factor CDC25 Saccharomyces cerevisiae S288C 11-16 8028716-5 1994 Thus, the binding of CGRP to fish gill membranes activates adenylate cyclase via a guanine nucleotide dependent mechanism, suggesting the involvement of a guanine nucleotide-binding stimulatory protein in the action of CGRP in fishes. Guanine Nucleotides 83-101 calcitonin related polypeptide alpha Homo sapiens 21-25 8028716-5 1994 Thus, the binding of CGRP to fish gill membranes activates adenylate cyclase via a guanine nucleotide dependent mechanism, suggesting the involvement of a guanine nucleotide-binding stimulatory protein in the action of CGRP in fishes. Guanine Nucleotides 155-173 calcitonin related polypeptide alpha Homo sapiens 21-25 8028716-5 1994 Thus, the binding of CGRP to fish gill membranes activates adenylate cyclase via a guanine nucleotide dependent mechanism, suggesting the involvement of a guanine nucleotide-binding stimulatory protein in the action of CGRP in fishes. Guanine Nucleotides 155-173 calcitonin related polypeptide alpha Homo sapiens 219-223 7941732-2 1994 Cdc42p is a member of the Ras superfamily of GTPases and Cdc24p displays limited amino-acid sequence similarity with the Dbl proto-oncoprotein, which acts to stimulate guanine-nucleotide exchange on human Cdc42p. Guanine Nucleotides 168-186 cell division cycle 42 Homo sapiens 0-6 7941732-2 1994 Cdc42p is a member of the Ras superfamily of GTPases and Cdc24p displays limited amino-acid sequence similarity with the Dbl proto-oncoprotein, which acts to stimulate guanine-nucleotide exchange on human Cdc42p. Guanine Nucleotides 168-186 Rho family guanine nucleotide exchange factor CDC24 Saccharomyces cerevisiae S288C 57-63 7941732-2 1994 Cdc42p is a member of the Ras superfamily of GTPases and Cdc24p displays limited amino-acid sequence similarity with the Dbl proto-oncoprotein, which acts to stimulate guanine-nucleotide exchange on human Cdc42p. Guanine Nucleotides 168-186 MCF.2 cell line derived transforming sequence Homo sapiens 121-124 7941732-2 1994 Cdc42p is a member of the Ras superfamily of GTPases and Cdc24p displays limited amino-acid sequence similarity with the Dbl proto-oncoprotein, which acts to stimulate guanine-nucleotide exchange on human Cdc42p. Guanine Nucleotides 168-186 cell division cycle 42 Homo sapiens 205-211 8135791-3 1994 Of the two CDC25 fragments containing the conserved catalytic domain, only CDC25-509 could enhance the guanine nucleotide exchange on RAS2. Guanine Nucleotides 103-121 Ras family guanine nucleotide exchange factor CDC25 Saccharomyces cerevisiae S288C 75-80 8135791-3 1994 Of the two CDC25 fragments containing the conserved catalytic domain, only CDC25-509 could enhance the guanine nucleotide exchange on RAS2. Guanine Nucleotides 103-121 Ras family GTPase RAS2 Saccharomyces cerevisiae S288C 134-138 8139926-1 1994 Go alpha a guanine nucleotide-binding (G) protein abundant in brain and other neural tissues, has been implicated in ion channel regulation. Guanine Nucleotides 11-29 tripartite motif containing 47 Homo sapiens 0-8 8146159-1 1994 The nuclear Ras-related protein Ran binds guanine nucleotide and is involved in cell cycle regulation. Guanine Nucleotides 42-60 RAN, member RAS oncogene family Homo sapiens 32-35 8118033-0 1994 Priming effects of granulocyte-macrophage colony-stimulating factor are coupled to cholera toxin-sensitive guanine nucleotide binding protein in human T lymphocytes. Guanine Nucleotides 107-125 colony stimulating factor 2 Homo sapiens 19-67 8120032-0 1994 Cytosolic guanine nucleotide-binding protein Rac2 operates in vivo as a component of the neutrophil respiratory burst oxidase. Guanine Nucleotides 10-28 Rac family small GTPase 2 Homo sapiens 45-49 8125125-10 1994 Furthermore, the C3a- and C5a-induced production of ROS of eosinophils was totally inhibited by pertussis toxin, indicating the involvement of guanine nucleotide-binding proteins (Gi-proteins). Guanine Nucleotides 143-161 complement C3 Homo sapiens 17-20 8125125-10 1994 Furthermore, the C3a- and C5a-induced production of ROS of eosinophils was totally inhibited by pertussis toxin, indicating the involvement of guanine nucleotide-binding proteins (Gi-proteins). Guanine Nucleotides 143-161 complement C5a receptor 1 Homo sapiens 26-29 8106346-6 1994 These observations provide compelling evidence that ARF1 is a necessary GTP binding protein that regulates the reversible binding of coat proteins to Golgi membranes and that the effects of BFA on this process in living cells must be a consequence of BFA"s inhibition of guanine nucleotide exchange onto ARF1. Guanine Nucleotides 271-289 ADP ribosylation factor 1 Bos taurus 52-56 8114695-7 1994 Furthermore, Shc immune complexes contained guanine nucleotide exchange activity toward p21ras in vitro. Guanine Nucleotides 44-62 SHC adaptor protein 1 Homo sapiens 13-16 8114695-7 1994 Furthermore, Shc immune complexes contained guanine nucleotide exchange activity toward p21ras in vitro. Guanine Nucleotides 44-62 H3 histone pseudogene 16 Homo sapiens 88-91 8106440-2 1994 We previously demonstrated that the beta 2-adrenergic receptor and other receptors that stimulate adenylyl cyclase by activating Gs stimulate NHE1 by a guanine nucleotide-dependent mechanism that is independent of receptor coupling to Gs. Guanine Nucleotides 152-170 adrenoceptor beta 2 Homo sapiens 36-62 8106440-2 1994 We previously demonstrated that the beta 2-adrenergic receptor and other receptors that stimulate adenylyl cyclase by activating Gs stimulate NHE1 by a guanine nucleotide-dependent mechanism that is independent of receptor coupling to Gs. Guanine Nucleotides 152-170 solute carrier family 9 member A1 Homo sapiens 142-146 8108407-4 1994 The affinity-purified factors from HeLa cells specifically bind to the mtTFA NRF-1 and NRF-2 sites through guanine nucleotide contacts that are characteristic for each site. Guanine Nucleotides 107-125 transcription factor A, mitochondrial Homo sapiens 71-76 8108407-4 1994 The affinity-purified factors from HeLa cells specifically bind to the mtTFA NRF-1 and NRF-2 sites through guanine nucleotide contacts that are characteristic for each site. Guanine Nucleotides 107-125 nuclear respiratory factor 1 Homo sapiens 77-82 8108407-4 1994 The affinity-purified factors from HeLa cells specifically bind to the mtTFA NRF-1 and NRF-2 sites through guanine nucleotide contacts that are characteristic for each site. Guanine Nucleotides 107-125 NFE2 like bZIP transcription factor 2 Homo sapiens 87-92 8299730-1 1994 The CDC25Mm gene codes for Ras-guanine nucleotide exchange factors. Guanine Nucleotides 31-49 RAS protein-specific guanine nucleotide-releasing factor 1 Mus musculus 4-11 8113975-3 1994 In this study, we systematically examined the effects of cations and guanine nucleotides on the binding of mu-agonist [D-Ala2, N-Me-Phe4, Met-(O)5-ol]enkephalin in rat spinal cord and brain membranes. Guanine Nucleotides 69-88 proenkephalin Rattus norvegicus 150-160 8106638-13 1994 As p53 protein is a regulator of guanine nucleotide synthesis, the loss of normal inhibitory regulation by the p53 mutation would serve to increase the availability of GTP for the transduction of signals essential for increased cell growth and hormone expression in the adrenal tumors. Guanine Nucleotides 33-51 tumor protein p53 Homo sapiens 3-6 8106638-13 1994 As p53 protein is a regulator of guanine nucleotide synthesis, the loss of normal inhibitory regulation by the p53 mutation would serve to increase the availability of GTP for the transduction of signals essential for increased cell growth and hormone expression in the adrenal tumors. Guanine Nucleotides 33-51 tumor protein p53 Homo sapiens 111-114 8300560-1 1994 Catalysis of guanine nucleotide exchange by Cdc24 and stimulation of GTPase activity by Bem3. Guanine Nucleotides 13-31 Rho family guanine nucleotide exchange factor CDC24 Saccharomyces cerevisiae S288C 44-49 8289791-1 1994 Ras proteins are activated in vivo by guanine nucleotide exchange factors encoded by genes homologous to the CDC25 gene of Saccharomyces cerevisiae. Guanine Nucleotides 38-56 Ras family guanine nucleotide exchange factor CDC25 Saccharomyces cerevisiae S288C 109-114 8045917-13 1994 Addition of the non-hydrolyzable guanine-nucleotide analog GTP [S] to the binding buffer caused a significant reduction in the amount of [125I-Tyr4]bombesin bound to the cells, indicating that the bombesin receptor is coupled to a G-protein. Guanine Nucleotides 33-51 gastrin releasing peptide Homo sapiens 148-156 8304967-3 1994 Guanine nucleotides dose-dependently inhibited VIP binding. Guanine Nucleotides 0-19 vasoactive intestinal peptide Canis lupus familiaris 47-50 8276860-0 1994 Cellular transformation and guanine nucleotide exchange activity are catalyzed by a common domain on the dbl oncogene product. Guanine Nucleotides 28-46 MCF.2 cell line derived transforming sequence Homo sapiens 105-108 21566909-0 1994 Increased p21ras-specific Guanine-nucleotide exchange causes tumor-formation in nude-mice. Guanine Nucleotides 26-44 Harvey rat sarcoma virus oncogene Mus musculus 10-16 7505797-11 1994 Thus, p210bcr-abl appears to function in a hematopoietic p21ras activation pathway to allow growth factor-independent coupling between Grb2, which exists in a complex with the guanine nucleotide exchange factor (Sos), and p21ras. Guanine Nucleotides 176-194 cyclin-dependent kinase inhibitor 1A (P21) Mus musculus 6-9 7505797-11 1994 Thus, p210bcr-abl appears to function in a hematopoietic p21ras activation pathway to allow growth factor-independent coupling between Grb2, which exists in a complex with the guanine nucleotide exchange factor (Sos), and p21ras. Guanine Nucleotides 176-194 growth factor receptor bound protein 2 Mus musculus 135-139 8045917-13 1994 Addition of the non-hydrolyzable guanine-nucleotide analog GTP [S] to the binding buffer caused a significant reduction in the amount of [125I-Tyr4]bombesin bound to the cells, indicating that the bombesin receptor is coupled to a G-protein. Guanine Nucleotides 33-51 gastrin releasing peptide Homo sapiens 197-205 8142894-1 1994 We have utilized Raman difference spectroscopy to investigate hydrogen bonding interactions of the guanine moiety in guanine nucleotides with the binding site of two G proteins, EF-Tu (elongation factor Tu from Escherichia coli) and the c-Harvey ras protein, p21 (the gene product of the human c-H-ras proto-oncogene). Guanine Nucleotides 117-136 Tu translation elongation factor, mitochondrial Homo sapiens 178-183 8983059-9 1994 The presence of these domains suggests a role for Dlg in guanine nucleotide-mediated signal transduction. Guanine Nucleotides 57-75 discs large 1 Drosophila melanogaster 50-53 8142894-1 1994 We have utilized Raman difference spectroscopy to investigate hydrogen bonding interactions of the guanine moiety in guanine nucleotides with the binding site of two G proteins, EF-Tu (elongation factor Tu from Escherichia coli) and the c-Harvey ras protein, p21 (the gene product of the human c-H-ras proto-oncogene). Guanine Nucleotides 117-136 H3 histone pseudogene 16 Homo sapiens 259-262 8142894-1 1994 We have utilized Raman difference spectroscopy to investigate hydrogen bonding interactions of the guanine moiety in guanine nucleotides with the binding site of two G proteins, EF-Tu (elongation factor Tu from Escherichia coli) and the c-Harvey ras protein, p21 (the gene product of the human c-H-ras proto-oncogene). Guanine Nucleotides 117-136 HRas proto-oncogene, GTPase Homo sapiens 294-301 8255297-3 1993 One known regulator, the protein RCC1 (refs 12, 13), interacts with Ran to catalyse guanine nucleotide exchange, and both RCC1 and Ran are components of an intrinsic checkpoint control that prevents the premature initiation of mitosis. Guanine Nucleotides 84-102 regulator of chromosome condensation 1 Homo sapiens 33-37 7908748-6 1994 These observations suggest that somatostatin down-regulates beta-adrenergic function of airway smooth muscle through activation of an inhibitory guanine nucleotide (GTP)-binding regulatory protein, Gi, coupled to adenylate cyclase. Guanine Nucleotides 145-163 somatostatin Canis lupus familiaris 32-44 8255297-3 1993 One known regulator, the protein RCC1 (refs 12, 13), interacts with Ran to catalyse guanine nucleotide exchange, and both RCC1 and Ran are components of an intrinsic checkpoint control that prevents the premature initiation of mitosis. Guanine Nucleotides 84-102 RAN, member RAS oncogene family Homo sapiens 68-71 8246988-6 1993 Each type of GRF protein was found in cytosolic and membrane fractions, and the protein in each fraction could stimulate guanine nucleotide release from GDP.Ras in vitro. Guanine Nucleotides 121-139 growth hormone releasing hormone Mus musculus 13-16 8265625-1 1993 The 14-residue peptide (peptide 14) corresponding to Arg2410-Lys2423 of the insulin-like growth factor II receptor (IGF-IIR) can activate the adenylate cyclase-inhibitor guanine nucleotide-binding protein Gi, and the 15-residue beta III-2 peptide Arg259-Lys273 of the beta 2-adrenergic receptor (beta 2AR) can activate the stimulatory protein Gs. Guanine Nucleotides 170-188 insulin like growth factor 2 receptor Homo sapiens 76-114 8265625-1 1993 The 14-residue peptide (peptide 14) corresponding to Arg2410-Lys2423 of the insulin-like growth factor II receptor (IGF-IIR) can activate the adenylate cyclase-inhibitor guanine nucleotide-binding protein Gi, and the 15-residue beta III-2 peptide Arg259-Lys273 of the beta 2-adrenergic receptor (beta 2AR) can activate the stimulatory protein Gs. Guanine Nucleotides 170-188 insulin like growth factor 2 receptor Homo sapiens 116-123 8265625-1 1993 The 14-residue peptide (peptide 14) corresponding to Arg2410-Lys2423 of the insulin-like growth factor II receptor (IGF-IIR) can activate the adenylate cyclase-inhibitor guanine nucleotide-binding protein Gi, and the 15-residue beta III-2 peptide Arg259-Lys273 of the beta 2-adrenergic receptor (beta 2AR) can activate the stimulatory protein Gs. Guanine Nucleotides 170-188 adrenoceptor beta 2 Homo sapiens 268-294 8265625-1 1993 The 14-residue peptide (peptide 14) corresponding to Arg2410-Lys2423 of the insulin-like growth factor II receptor (IGF-IIR) can activate the adenylate cyclase-inhibitor guanine nucleotide-binding protein Gi, and the 15-residue beta III-2 peptide Arg259-Lys273 of the beta 2-adrenergic receptor (beta 2AR) can activate the stimulatory protein Gs. Guanine Nucleotides 170-188 adrenoceptor beta 2 Homo sapiens 296-304 8246988-9 1993 We conclude that each type of CDC25Mm induces cell transformation via the ability of its C terminus to stimulate guanine nucleotide exchange on Ras, the presence of N-terminal sequences is associated with a serum-dependent change in GTP.Ras, and the serum-dependent increase in GTP.Ras by exogenous CDC25Mm or by endogenous exchange factors probably requires membrane association of both Ras and the exchange factor. Guanine Nucleotides 113-131 RAS protein-specific guanine nucleotide-releasing factor 1 Mus musculus 30-37 8226909-0 1993 Prenylation of Rab5 is dependent on guanine nucleotide binding. Guanine Nucleotides 36-54 RAB5A, member RAS oncogene family Homo sapiens 15-19 8226909-6 1993 Since the latter mutation results in defective GTPase activity, these combined observations indicate that guanine nucleotide binding plays an important role in the geranylgeranylation reaction and suggest that the GDP-bound form of Rab5 is the preferred conformation for interaction with Rab prenyltransferase. Guanine Nucleotides 106-124 RAB5A, member RAS oncogene family Homo sapiens 232-236 8226999-9 1993 Substitution mutations in the guanine nucleotide binding motifs showed dramatic effects on rab5 function. Guanine Nucleotides 30-48 RAB5A, member RAS oncogene family Homo sapiens 91-95 8226995-8 1993 Mutations in the effector domain, a site important for the interaction of Rab3A with its guanine nucleotide releasing factor, guanine nucleotide dissociation inhibitor, and GTPase-activating protein, eliminated the ability of Rab3A to cross-link to p85. Guanine Nucleotides 89-107 RAB3A, member RAS oncogene family Rattus norvegicus 74-79 8226999-10 1993 In addition to the previously reported N133I mutation, the S34N mutation also resulted in a guanine nucleotide binding defective form that was a dominant inhibitor of endogenous rab5 activity. Guanine Nucleotides 92-110 RAB5A, member RAS oncogene family Homo sapiens 178-182 8226995-8 1993 Mutations in the effector domain, a site important for the interaction of Rab3A with its guanine nucleotide releasing factor, guanine nucleotide dissociation inhibitor, and GTPase-activating protein, eliminated the ability of Rab3A to cross-link to p85. Guanine Nucleotides 89-107 RAB3A, member RAS oncogene family Rattus norvegicus 226-231 8223626-9 1993 These results suggest that post-translational modifications of rab6p might induce subtle changes in the three-dimensional structure of the protein which affect the guanine-nucleotide-binding/hydrolysis activity. Guanine Nucleotides 164-182 RAB6A, member RAS oncogene family Homo sapiens 63-68 7901201-10 1993 Interestingly, the thioesterase recognizes H-Ras as a substrate only when H-Ras is in its native conformation (bound to Mg2+ and guanine nucleotide). Guanine Nucleotides 129-147 HRas proto-oncogene, GTPase Bos taurus 43-48 7693872-7 1993 These results suggest that pertussis toxin potentiates proenkephalin synthesis primarily through inactivation of guanine nucleotide-binding proteins that inhibit adenylate cyclase, although other signaling pathways may also be involved. Guanine Nucleotides 113-131 proenkephalin Bos taurus 55-68 8240325-1 1993 A soluble form of G25K from brain co-purified with a 28 kDa protein, which was identified as guanine nucleotide dissociation inhibitor (GDI) protein, similar or identical to rhoGDI. Guanine Nucleotides 93-111 cell division cycle 42 Homo sapiens 18-22 8226729-7 1993 These data are consistent with the concept of an ordered Rab3A cycle controlled by factors that regulate the guanine-nucleotide binding state of Rab3A. Guanine Nucleotides 109-127 RAB3A, member RAS oncogene family Rattus norvegicus 57-62 8226729-7 1993 These data are consistent with the concept of an ordered Rab3A cycle controlled by factors that regulate the guanine-nucleotide binding state of Rab3A. Guanine Nucleotides 109-127 RAB3A, member RAS oncogene family Rattus norvegicus 145-150 8402898-3 1993 Selective binding to a subset of 15 different recombinant SH3 domains occurs through proline-rich sequence motifs similar to those that mediate the interaction of the SH3 domains of Grb2 and Abl proteins to the guanine nucleotide exchange protein, Sos, and to the 3BP1 protein, respectively. Guanine Nucleotides 211-229 growth factor receptor bound protein 2 Homo sapiens 182-186 8402898-3 1993 Selective binding to a subset of 15 different recombinant SH3 domains occurs through proline-rich sequence motifs similar to those that mediate the interaction of the SH3 domains of Grb2 and Abl proteins to the guanine nucleotide exchange protein, Sos, and to the 3BP1 protein, respectively. Guanine Nucleotides 211-229 ABL proto-oncogene 1, non-receptor tyrosine kinase Homo sapiens 191-194 8402898-3 1993 Selective binding to a subset of 15 different recombinant SH3 domains occurs through proline-rich sequence motifs similar to those that mediate the interaction of the SH3 domains of Grb2 and Abl proteins to the guanine nucleotide exchange protein, Sos, and to the 3BP1 protein, respectively. Guanine Nucleotides 211-229 SH3 domain binding protein 1 Homo sapiens 264-268 7901201-10 1993 Interestingly, the thioesterase recognizes H-Ras as a substrate only when H-Ras is in its native conformation (bound to Mg2+ and guanine nucleotide). Guanine Nucleotides 129-147 HRas proto-oncogene, GTPase Bos taurus 74-79 8223569-5 1993 The M&B 28767-stimulated GTPase activity consisted of pertussis-toxin-sensitive and cholera-toxin-sensitive portions in the EP3 gamma-expressing cell membrane, suggested that EP3 gamma is coupled to both guanine nucleotide-binding inhibitory and stimulatory proteins. Guanine Nucleotides 208-226 prostaglandin E receptor 3 (subtype EP3) Mus musculus 179-182 8260648-7 1993 The present review focuses on TCR and IL-2R regulation of two common intracellular signalling pathways: the regulation of a PtdIns-3-kinase and the activation of the guanine nucleotide binding proteins p21ras. Guanine Nucleotides 166-184 T cell receptor beta variable 20/OR9-2 (non-functional) Homo sapiens 30-33 8260648-7 1993 The present review focuses on TCR and IL-2R regulation of two common intracellular signalling pathways: the regulation of a PtdIns-3-kinase and the activation of the guanine nucleotide binding proteins p21ras. Guanine Nucleotides 166-184 interleukin 2 receptor subunit alpha Homo sapiens 38-43 8260648-7 1993 The present review focuses on TCR and IL-2R regulation of two common intracellular signalling pathways: the regulation of a PtdIns-3-kinase and the activation of the guanine nucleotide binding proteins p21ras. Guanine Nucleotides 166-184 HRas proto-oncogene, GTPase Homo sapiens 202-208 8377826-4 1993 We show here that a purified fragment of Sec12 promotes guanine-nucleotide dissociation from Sar1 whereas the purified mutant Sec12-1 has only 15% of the wild-type activity. Guanine Nucleotides 56-74 Sar family guanine nucleotide exchange factor SEC12 Saccharomyces cerevisiae S288C 41-46 7934812-8 1993 Phosphorylation of eIF-2 by the protein kinase GCN2 decreases the concentration of eIF-2.GTP.Met-tRNA(iMet) complexes by inhibiting the guanine nucleotide exchange factor for eIF-2, which is the same mechanism utilized in mammalian cells to inhibit total protein synthesis by phosphorylation of eIF-2. Guanine Nucleotides 136-154 eukaryotic translation initiation factor 2 subunit alpha Homo sapiens 19-24 7934812-8 1993 Phosphorylation of eIF-2 by the protein kinase GCN2 decreases the concentration of eIF-2.GTP.Met-tRNA(iMet) complexes by inhibiting the guanine nucleotide exchange factor for eIF-2, which is the same mechanism utilized in mammalian cells to inhibit total protein synthesis by phosphorylation of eIF-2. Guanine Nucleotides 136-154 eukaryotic translation initiation factor 2 alpha kinase 4 Homo sapiens 47-51 7934812-8 1993 Phosphorylation of eIF-2 by the protein kinase GCN2 decreases the concentration of eIF-2.GTP.Met-tRNA(iMet) complexes by inhibiting the guanine nucleotide exchange factor for eIF-2, which is the same mechanism utilized in mammalian cells to inhibit total protein synthesis by phosphorylation of eIF-2. Guanine Nucleotides 136-154 eukaryotic translation initiation factor 2 subunit alpha Homo sapiens 83-88 7934812-8 1993 Phosphorylation of eIF-2 by the protein kinase GCN2 decreases the concentration of eIF-2.GTP.Met-tRNA(iMet) complexes by inhibiting the guanine nucleotide exchange factor for eIF-2, which is the same mechanism utilized in mammalian cells to inhibit total protein synthesis by phosphorylation of eIF-2. Guanine Nucleotides 136-154 eukaryotic translation initiation factor 2 subunit alpha Homo sapiens 83-88 7934812-8 1993 Phosphorylation of eIF-2 by the protein kinase GCN2 decreases the concentration of eIF-2.GTP.Met-tRNA(iMet) complexes by inhibiting the guanine nucleotide exchange factor for eIF-2, which is the same mechanism utilized in mammalian cells to inhibit total protein synthesis by phosphorylation of eIF-2. Guanine Nucleotides 136-154 eukaryotic translation initiation factor 2 subunit alpha Homo sapiens 83-88 8377826-4 1993 We show here that a purified fragment of Sec12 promotes guanine-nucleotide dissociation from Sar1 whereas the purified mutant Sec12-1 has only 15% of the wild-type activity. Guanine Nucleotides 56-74 Arf family GTPase SAR1 Saccharomyces cerevisiae S288C 93-97 8397512-9 1993 IFN-gamma-stimulated AA release was completely blocked by the guanine nucleotide analogue that inhibits G-protein function, guanosine 5"-[beta-thio]diphosphate (GDP[S]). Guanine Nucleotides 62-80 interferon gamma Homo sapiens 0-9 8375504-0 1993 Asparagine-135 of elongation factor Tu is a crucial residue for the folding of the guanine nucleotide binding pocket. Guanine Nucleotides 83-101 eukaryotic translation elongation factor 1 alpha 1 Homo sapiens 18-38 8245836-2 1993 One of the components involved in cAMP production is the CDC25 gene product, which can activate the RAS/adenylate cyclase pathway by promoting the exchange of guanine nucleotides bound to RAS. Guanine Nucleotides 159-178 Ras family guanine nucleotide exchange factor CDC25 Saccharomyces cerevisiae S288C 57-62 8398979-0 1993 Guanine nucleotide binding proteins mediate the chemotactic signal of transforming growth factor-beta 1 in rat IL-2 activated natural killer cells. Guanine Nucleotides 0-18 interleukin 2 Rattus norvegicus 111-115 8361768-7 1993 The mutations at A66 show for the first time that helix alpha 2 of p21ras is involved in the stimulation of guanine nucleotide exchange by exchange factors. Guanine Nucleotides 108-126 HRas proto-oncogene, GTPase Homo sapiens 67-73 8344248-2 1993 In addition to its association with Ras, GAP binds stably to autophosphorylated beta PDGF receptors, and to two cytoplasmic phosphoproteins: p62, an RNA binding protein, and p190, which possesses GAP activity towards small guanine nucleotide binding proteins in the Rho/Rac family. Guanine Nucleotides 223-241 contactin associated protein 1 Rattus norvegicus 174-178 8398979-2 1993 Various doses of cholera toxin (CT) or pertussis toxin (PT) inhibited the activity of TGF-beta 1 suggesting a role for guanine nucleotide binding (G) proteins. Guanine Nucleotides 119-137 transforming growth factor, beta 1 Rattus norvegicus 86-96 8336705-3 1993 Previous genetic and biochemical experiments led to the conclusion that GCD1, GCD2, and GCN3 are components of the GCD complex, recently shown to be the yeast equivalent of the mammalian guanine nucleotide exchange factor for eIF-2, known as eIF-2B. Guanine Nucleotides 187-205 translation initiation factor eIF2B subunit gamma Saccharomyces cerevisiae S288C 72-76 8336705-3 1993 Previous genetic and biochemical experiments led to the conclusion that GCD1, GCD2, and GCN3 are components of the GCD complex, recently shown to be the yeast equivalent of the mammalian guanine nucleotide exchange factor for eIF-2, known as eIF-2B. Guanine Nucleotides 187-205 translation initiation factor eIF2B subunit delta Saccharomyces cerevisiae S288C 78-82 8336705-3 1993 Previous genetic and biochemical experiments led to the conclusion that GCD1, GCD2, and GCN3 are components of the GCD complex, recently shown to be the yeast equivalent of the mammalian guanine nucleotide exchange factor for eIF-2, known as eIF-2B. Guanine Nucleotides 187-205 translation initiation factor eIF2B subunit alpha Saccharomyces cerevisiae S288C 88-92 8336705-3 1993 Previous genetic and biochemical experiments led to the conclusion that GCD1, GCD2, and GCN3 are components of the GCD complex, recently shown to be the yeast equivalent of the mammalian guanine nucleotide exchange factor for eIF-2, known as eIF-2B. Guanine Nucleotides 187-205 eukaryotic translation initiation factor 2 subunit beta Homo sapiens 226-231 8336705-3 1993 Previous genetic and biochemical experiments led to the conclusion that GCD1, GCD2, and GCN3 are components of the GCD complex, recently shown to be the yeast equivalent of the mammalian guanine nucleotide exchange factor for eIF-2, known as eIF-2B. Guanine Nucleotides 187-205 eukaryotic translation initiation factor 2B subunit delta Homo sapiens 242-248 8336705-10 1993 The fact that all five subunits of yeast eIF-2B were first identified as translational regulators of GCN4 strongly suggests that regulation of guanine nucleotide exchange on eIF-2 is a key control point for translation in yeast cells just as in mammalian cells. Guanine Nucleotides 143-161 eukaryotic translation initiation factor 2B subunit delta Homo sapiens 41-47 8336705-10 1993 The fact that all five subunits of yeast eIF-2B were first identified as translational regulators of GCN4 strongly suggests that regulation of guanine nucleotide exchange on eIF-2 is a key control point for translation in yeast cells just as in mammalian cells. Guanine Nucleotides 143-161 amino acid starvation-responsive transcription factor GCN4 Saccharomyces cerevisiae S288C 101-105 8336705-10 1993 The fact that all five subunits of yeast eIF-2B were first identified as translational regulators of GCN4 strongly suggests that regulation of guanine nucleotide exchange on eIF-2 is a key control point for translation in yeast cells just as in mammalian cells. Guanine Nucleotides 143-161 eukaryotic translation initiation factor 2 subunit beta Homo sapiens 41-46 8325834-8 1993 These findings imply that the effector domain plays a key role in the isoprenylation of Rab proteins, either by serving as a prenyltransferase binding site or by facilitating interactions with accessory proteins that allow Rab1B to assume a specific guanine nucleotide-dependent conformation that is recognized by GGTase II. Guanine Nucleotides 250-268 RAB1B, member RAS oncogene family Homo sapiens 88-91 8325834-8 1993 These findings imply that the effector domain plays a key role in the isoprenylation of Rab proteins, either by serving as a prenyltransferase binding site or by facilitating interactions with accessory proteins that allow Rab1B to assume a specific guanine nucleotide-dependent conformation that is recognized by GGTase II. Guanine Nucleotides 250-268 RAB1B, member RAS oncogene family Homo sapiens 223-228 8323978-0 1993 Characterization of interleukin-8 receptors in human neutrophil membranes: regulation by guanine nucleotides. Guanine Nucleotides 89-108 C-X-C motif chemokine ligand 8 Homo sapiens 20-33 8100782-1 1993 The involvement of the small GTP-binding protein rab3A in synaptic transmission was tested by presynaptic microinjection of guanine nucleotides and peptides corresponding to the effector domain of rab3A. Guanine Nucleotides 124-143 RAB3A, member RAS oncogene family Homo sapiens 49-54 8510922-3 1993 Proto-vav encodes a protein that contains one SH2 domain and two Src Homology 3 (SH3) domains, in addition to a number of other motifs usually found in transcriptional factors and guanine nucleotide exchange factors. Guanine Nucleotides 180-198 vav 1 oncogene Mus musculus 6-9 8414196-0 1993 Expression of smg p25A/rab 3A guanine nucleotide dissociation inhibitor (GDI) in neurons and glial cells from rat brain. Guanine Nucleotides 30-48 RAB3A, member RAS oncogene family Rattus norvegicus 23-29 8414196-3 1993 In this study, expression of a regulatory protein for smg p25A/rab 3A, guanine nucleotide dissociation inhibitor (smg p25A/rab 3A GDI), in neurons and glia isolated from rat brain was examined. Guanine Nucleotides 71-89 RAB3A, member RAS oncogene family Rattus norvegicus 63-69 8414196-3 1993 In this study, expression of a regulatory protein for smg p25A/rab 3A, guanine nucleotide dissociation inhibitor (smg p25A/rab 3A GDI), in neurons and glia isolated from rat brain was examined. Guanine Nucleotides 71-89 RAB3A, member RAS oncogene family Rattus norvegicus 123-129 8323978-3 1993 The present study characterizes IL-8 receptors in isolated PMN membrane fractions and shows direct regulation of these receptors by guanine nucleotides. Guanine Nucleotides 132-151 C-X-C motif chemokine ligand 8 Homo sapiens 32-36 8323978-12 1993 These findings demonstrate that IL-8 receptors in PMN membranes are of high affinity and are convertible to a low-affinity state in the presence of guanine nucleotides, suggesting a direct role for G proteins in transmembrane signaling by this cytokine. Guanine Nucleotides 148-167 C-X-C motif chemokine ligand 8 Homo sapiens 32-36 8504089-5 1993 Direct binding of rho-GDI to the GTP gamma S-bound forms of these G-proteins was demonstrated by gel filtration following exchange with radiolabeled guanine nucleotide. Guanine Nucleotides 149-167 Rho GDP dissociation inhibitor alpha Homo sapiens 18-25 8516302-5 1993 Here, we describe mutational analysis of Ha-ras for the identification of residues critical for the ability of Ras to interact with Cdc25 and related guanine nucleotide-release proteins. Guanine Nucleotides 150-168 Ras family guanine nucleotide exchange factor CDC25 Saccharomyces cerevisiae S288C 132-137 8504089-3 1993 The component was isolated as a complex of rho-GDP dissociation inhibitor (rho-GDI) and two members of the rho subfamily of ras-related guanine nucleotide binding proteins, rac2 and CDC42Hs. Guanine Nucleotides 136-154 cell division cycle 42 Homo sapiens 182-189 8506384-4 1993 In vitro, this complex catalyzes guanine nucleotide exchange on eIF-2 and overcomes the inhibitory effect of GDP on formation of eIF-2.GTP.Met-initiator tRNA(Met) ternary complexes. Guanine Nucleotides 33-51 eukaryotic translation initiation factor 2 subunit alpha Homo sapiens 64-69 8100352-6 1993 High affinity agonist binding to hSSTR4 was significantly reduced by GTP and pertussis toxin, indicating association of the expressed receptor with pertussis toxin-sensitive guanine nucleotide-binding proteins. Guanine Nucleotides 174-192 somatostatin receptor 4 Homo sapiens 33-39 8506384-4 1993 In vitro, this complex catalyzes guanine nucleotide exchange on eIF-2 and overcomes the inhibitory effect of GDP on formation of eIF-2.GTP.Met-initiator tRNA(Met) ternary complexes. Guanine Nucleotides 33-51 eukaryotic translation initiation factor 2 subunit alpha Homo sapiens 129-134 8388382-3 1993 The 561 amino acid composing the C-terminal domain of CDC25 (CDC25 C-domain) released guanine nucleotides (both GDP and GTP) from Ha-, Ki-, and N-ras but not from Rap1A, Rab5, and Rab11. Guanine Nucleotides 86-105 cell division cycle 25C Mus musculus 54-59 8388382-3 1993 The 561 amino acid composing the C-terminal domain of CDC25 (CDC25 C-domain) released guanine nucleotides (both GDP and GTP) from Ha-, Ki-, and N-ras but not from Rap1A, Rab5, and Rab11. Guanine Nucleotides 86-105 cell division cycle 25C Mus musculus 61-66 8388382-3 1993 The 561 amino acid composing the C-terminal domain of CDC25 (CDC25 C-domain) released guanine nucleotides (both GDP and GTP) from Ha-, Ki-, and N-ras but not from Rap1A, Rab5, and Rab11. Guanine Nucleotides 86-105 neuroblastoma ras oncogene Mus musculus 144-149 8493579-4 1993 This hSos1 domain specifically stimulated guanine nucleotide exchange on mammalian Ras proteins in vitro. Guanine Nucleotides 42-60 SOS Ras/Rac guanine nucleotide exchange factor 1 Homo sapiens 5-10 8388382-3 1993 The 561 amino acid composing the C-terminal domain of CDC25 (CDC25 C-domain) released guanine nucleotides (both GDP and GTP) from Ha-, Ki-, and N-ras but not from Rap1A, Rab5, and Rab11. Guanine Nucleotides 86-105 RAB11A, member RAS oncogene family Mus musculus 180-185 8493579-5 1993 Mammalian cells overexpressing full-length hSos1 had increased guanine nucleotide exchange activity. Guanine Nucleotides 63-81 SOS Ras/Rac guanine nucleotide exchange factor 1 Homo sapiens 43-48 8484124-0 1993 Tyrosine kinase-stimulated guanine nucleotide exchange activity of Vav in T cell activation. Guanine Nucleotides 27-45 TXK tyrosine kinase Homo sapiens 0-15 8496156-7 1993 This utilizes the increase of fluorescence anisotropy upon binding of GAP to p21ras complexed with 2"(3")-O-(N-methylanthraniloyl) (mant) derivatives of guanine nucleotides. Guanine Nucleotides 153-172 HRas proto-oncogene, GTPase Homo sapiens 77-83 8388251-0 1993 Mutation of tyrosine-350 impairs the coupling of the beta 2-adrenergic receptor to the stimulatory guanine nucleotide binding protein without interfering with receptor down-regulation. Guanine Nucleotides 99-117 beta-2 adrenergic receptor Cricetulus griseus 53-79 8387483-4 1993 HGF/SF stimulation of metabolically labeled A549 cells raised the amount of Ras-bound radiolabeled guanine nucleotides by over 5-fold. Guanine Nucleotides 99-118 hepatocyte growth factor Homo sapiens 0-6 8387483-7 1993 Moreover, HGF/SF treatment of A549 cells leads to stimulation of the cytosolic Ras-guanine nucleotide exchange activity, measured as accelerated release of [3H]GDP from purified recombinant Ras protein in vitro, in a dose- and time-dependent manner. Guanine Nucleotides 83-101 hepatocyte growth factor Homo sapiens 10-16 8387483-9 1993 These data demonstrate that HGF/SF activates Ras protein by shifting the equilibrium toward the GTP-bound state and increases the uptake of guanine nucleotides by Ras, through mechanism(s) including the activation of a Ras-guanine nucleotide exchanger. Guanine Nucleotides 140-159 hepatocyte growth factor Homo sapiens 28-34 8387483-9 1993 These data demonstrate that HGF/SF activates Ras protein by shifting the equilibrium toward the GTP-bound state and increases the uptake of guanine nucleotides by Ras, through mechanism(s) including the activation of a Ras-guanine nucleotide exchanger. Guanine Nucleotides 140-158 hepatocyte growth factor Homo sapiens 28-34 8484124-0 1993 Tyrosine kinase-stimulated guanine nucleotide exchange activity of Vav in T cell activation. Guanine Nucleotides 27-45 vav guanine nucleotide exchange factor 1 Homo sapiens 67-70 8386224-3 1993 Inclusion of U-73122, an aminosteroid inhibitor of guanine nucleotide-regulated PIC activity in these cells, resulted in a dose-dependent inhibition of NaF-stimulated inositol lipid hydrolysis (IC50 of approximately 3.5 microM). Guanine Nucleotides 51-69 C-X-C motif chemokine ligand 8 Homo sapiens 152-155 8491184-1 1993 RhoGDI inhibits guanine nucleotide dissociation from post-translationally processed Rho and Rac proteins but its biochemical role in vivo is unknown. Guanine Nucleotides 16-34 Rho GDP dissociation inhibitor alpha Homo sapiens 0-6 8491184-1 1993 RhoGDI inhibits guanine nucleotide dissociation from post-translationally processed Rho and Rac proteins but its biochemical role in vivo is unknown. Guanine Nucleotides 16-34 AKT serine/threonine kinase 1 Homo sapiens 92-95 8502230-7 1993 The rate of uncoupling of formyl peptide receptor from G protein in the presence of high concentrations of guanine nucleotide was > or = 5 sec-1 (i.e., t1/2 of 0.14 sec). Guanine Nucleotides 107-125 secretory blood group 1, pseudogene Homo sapiens 142-147 8386227-0 1993 Modulation of neuropeptide FF receptors by guanine nucleotides and cations in membranes of rat brain and spinal cord. Guanine Nucleotides 43-62 neuropeptide FF-amide peptide precursor Rattus norvegicus 14-29 8473324-2 1993 ARD 1 genes encode a putative 64-kDa protein that contains an 18-kDa ADP-ribosylation factor (ARF) domain at the carboxyl terminus and is much larger than the other monomeric approximately 20-kDa guanine nucleotide-binding ARF proteins thus far identified. Guanine Nucleotides 196-214 tripartite motif containing 23 Homo sapiens 0-5 8097876-7 1993 Fluoride, a well-known activator of guanine nucleotide binding (G) protein, stimulated intracellular Ca2+ mobilization and secretion of PST and SMT in a dose-dependent manner in the range of 5-40 mM. Guanine Nucleotides 36-54 somatostatin Homo sapiens 144-147 8473324-5 1993 The ARF domain of ARD 1 contains the consensus sequences believed to be involved in guanine nucleotide binding, which are conserved in the ARFs and other GTP-binding proteins. Guanine Nucleotides 84-102 tripartite motif containing 23 Homo sapiens 18-23 8386636-1 1993 Proton-NMR signals in the downfield region (below approximately 10 ppm) have been shown to provide a useful spectroscopic window to monitor the binding of guanine nucleotides to the active site of GTP/GDP-binding proteins via H-bonds, as specified here by the 21-kDa product of the c-H-ras gene (p21). Guanine Nucleotides 155-174 HRas proto-oncogene, GTPase Homo sapiens 282-289 8386636-1 1993 Proton-NMR signals in the downfield region (below approximately 10 ppm) have been shown to provide a useful spectroscopic window to monitor the binding of guanine nucleotides to the active site of GTP/GDP-binding proteins via H-bonds, as specified here by the 21-kDa product of the c-H-ras gene (p21). Guanine Nucleotides 155-174 H3 histone pseudogene 16 Homo sapiens 296-299 8462098-0 1993 A Drosophila SH2-SH3 adaptor protein implicated in coupling the sevenless tyrosine kinase to an activator of Ras guanine nucleotide exchange, Sos. Guanine Nucleotides 113-131 Son of sevenless Drosophila melanogaster 142-145 8458416-1 1993 The activation of adenylate cyclase by guanine nucleotides and 6-deoxyglucose was studied in membrane preparations from S. cerevisiae mutants lacking the CDC25 gene product. Guanine Nucleotides 39-58 adenylate cyclase Saccharomyces cerevisiae S288C 18-35 8489524-4 1993 Vav may play a role in hematopoietic cell signaling by coupling tyrosine kinase pathways to ras-like GTPases through the regulation of guanine nucleotide exchange. Guanine Nucleotides 135-153 vav guanine nucleotide exchange factor 1 Homo sapiens 0-3 7680343-7 1993 These features suggest a possible role for SAP90 in a guanine nucleotide-mediated signal transduction pathway at a subset of GABAergic synapses in the rat cerebellum. Guanine Nucleotides 54-72 discs large MAGUK scaffold protein 4 Rattus norvegicus 43-48 8444865-0 1993 Characterization of the gene for ADP-ribosylation factor (ARF) 2, a developmentally regulated, selectively expressed member of the ARF family of approximately 20-kDa guanine nucleotide-binding proteins. Guanine Nucleotides 166-184 ADP ribosylation factor 4 Homo sapiens 33-64 8392573-0 1993 Guanine nucleotide binding proteins mediate D2 dopamine receptor activation of a potassium channel in rat lactotrophs. Guanine Nucleotides 0-18 dopamine receptor D2 Rattus norvegicus 44-64 8441380-0 1993 Influence of guanine nucleotides on complex formation between Ras and CDC25 proteins. Guanine Nucleotides 13-32 Ras family guanine nucleotide exchange factor CDC25 Saccharomyces cerevisiae S288C 70-75 8384238-4 1993 IFN-gamma also induced priming toward the stimulant NaF, a direct activator of guanine nucleotide regulatory proteins. Guanine Nucleotides 79-97 interferon gamma Homo sapiens 0-9 8384238-4 1993 IFN-gamma also induced priming toward the stimulant NaF, a direct activator of guanine nucleotide regulatory proteins. Guanine Nucleotides 79-97 C-X-C motif chemokine ligand 8 Homo sapiens 52-55 8441380-8 1993 This higher affinity of CDC25 for the nucleotide-free form than for either the GDP- or GTP-bound form suggests that CDC25 catalyzes exchange of guanine nucleotides bound to Ras proteins by stabilization of the transitory nucleotide-free state. Guanine Nucleotides 144-163 Ras family guanine nucleotide exchange factor CDC25 Saccharomyces cerevisiae S288C 24-29 8441380-1 1993 The Saccharomyces cerevisiae CDC25 gene and closely homologous genes in other eukaryotes encode guanine nucleotide exchange factors for Ras proteins. Guanine Nucleotides 96-114 Ras family guanine nucleotide exchange factor CDC25 Saccharomyces cerevisiae S288C 29-34 8441380-8 1993 This higher affinity of CDC25 for the nucleotide-free form than for either the GDP- or GTP-bound form suggests that CDC25 catalyzes exchange of guanine nucleotides bound to Ras proteins by stabilization of the transitory nucleotide-free state. Guanine Nucleotides 144-163 Ras family guanine nucleotide exchange factor CDC25 Saccharomyces cerevisiae S288C 116-121 7683401-3 1993 Binding studies of the selective mu opioid receptor agonist [D-Ala2, MePhe4,Gly(ol)5]enkephalin (DAMGO) to mouse brain membrane preparations demonstrated that guanine nucleotide modulation of DAMGO binding affinity was modified by SP. Guanine Nucleotides 159-177 tachykinin 1 Mus musculus 231-233 8441421-0 1993 Epidermal growth factor regulates the exchange rate of guanine nucleotides on p21ras in fibroblasts. Guanine Nucleotides 55-74 epidermal growth factor like 1 Rattus norvegicus 0-23 8441421-0 1993 Epidermal growth factor regulates the exchange rate of guanine nucleotides on p21ras in fibroblasts. Guanine Nucleotides 55-74 KRAS proto-oncogene, GTPase Rattus norvegicus 78-81 8441421-2 1993 By using the bacterial toxin streptolysin O to permeabilize these cells, it was shown that the low basal rate at which guanine nucleotides bind to, and dissociate from, ras-encoded protein in quiescent fibroblasts was greatly accelerated by EGF treatment. Guanine Nucleotides 119-138 epidermal growth factor like 1 Rattus norvegicus 241-244 8441421-6 1993 Regulation of ras-encoded protein in Rat-1 fibroblasts is therefore mediated by stimulation, either directly or indirectly, of ras-encoded protein-specific guanine nucleotide exchange factors by the EGF receptor tyrosine kinase. Guanine Nucleotides 156-174 epidermal growth factor like 1 Rattus norvegicus 199-202 8441423-0 1993 Evidence that GCD6 and GCD7, translational regulators of GCN4, are subunits of the guanine nucleotide exchange factor for eIF-2 in Saccharomyces cerevisiae. Guanine Nucleotides 83-101 translation initiation factor eIF2B catalytic subunit epsilon Saccharomyces cerevisiae S288C 14-18 8441423-0 1993 Evidence that GCD6 and GCD7, translational regulators of GCN4, are subunits of the guanine nucleotide exchange factor for eIF-2 in Saccharomyces cerevisiae. Guanine Nucleotides 83-101 translation initiation factor eIF2B subunit beta Saccharomyces cerevisiae S288C 23-27 8441423-0 1993 Evidence that GCD6 and GCD7, translational regulators of GCN4, are subunits of the guanine nucleotide exchange factor for eIF-2 in Saccharomyces cerevisiae. Guanine Nucleotides 83-101 amino acid starvation-responsive transcription factor GCN4 Saccharomyces cerevisiae S288C 57-61 8382086-0 1993 Functional interaction of prostaglandin E receptor EP3 subtype with guanine nucleotide-binding proteins, showing low-affinity ligand binding. Guanine Nucleotides 68-86 prostaglandin E receptor 3 (subtype EP3) Mus musculus 51-54 8381837-4 1993 Bacterial toxins such as cholera toxin or pertussis toxin inhibited IL-8-induced chemokinetic activity, suggesting the involvement of guanine nucleotide-binding (G) proteins in IL-8 signal transduction in these cells. Guanine Nucleotides 134-152 C-X-C motif chemokine ligand 8 Homo sapiens 68-72 8381837-4 1993 Bacterial toxins such as cholera toxin or pertussis toxin inhibited IL-8-induced chemokinetic activity, suggesting the involvement of guanine nucleotide-binding (G) proteins in IL-8 signal transduction in these cells. Guanine Nucleotides 134-152 C-X-C motif chemokine ligand 8 Homo sapiens 177-181 8436180-0 1993 Covalent binding of guanine nucleotides to the CD3-gamma chain of the T cell receptor/CD3 complex. Guanine Nucleotides 20-39 CD3 gamma subunit of T-cell receptor complex Homo sapiens 47-56 8094668-4 1993 Using a modified cell-free translation system, we have shown that MKu inhibits translation, consistent with the above observations concerning the site of phosphorylation and the effect of phosphorylation on eIF-2B-mediated guanine-nucleotide exchange. Guanine Nucleotides 223-241 eukaryotic translation initiation factor 2, subunit 2 (beta) Mus musculus 207-213 8381507-0 1993 Solubilization and characterization of a guanine nucleotide-sensitive form of the calcitonin gene-related peptide receptor. Guanine Nucleotides 41-59 calcitonin-related polypeptide alpha Rattus norvegicus 82-113 8381507-1 1993 Calcitonin gene-related peptide (CGRP) receptors were solubilized from rat cerebellum membranes in an active, stable, and guanine nucleotide-sensitive form by using digitonin. Guanine Nucleotides 122-140 calcitonin-related polypeptide alpha Rattus norvegicus 0-31 8381507-1 1993 Calcitonin gene-related peptide (CGRP) receptors were solubilized from rat cerebellum membranes in an active, stable, and guanine nucleotide-sensitive form by using digitonin. Guanine Nucleotides 122-140 calcitonin-related polypeptide alpha Rattus norvegicus 33-37 8417348-7 1993 The predicted GCD11 polypeptide contains all of the consensus elements known to be required for guanine nucleotide binding, suggesting that, in Saccharomyces cerevisiae, the gamma subunit of eIF-2 is responsible for GDP-GTP binding. Guanine Nucleotides 96-114 translation initiation factor eIF2 subunit gamma Saccharomyces cerevisiae S288C 14-19 8511040-1 1993 The Rab branch of the Ras-related guanine nucleotide (GTP/GDP)-binding proteins currently includes at least thirty related members which are involved in the intracellular vesicular transport along the secretory and endocytic pathways in eukaryotic cells. Guanine Nucleotides 34-52 RAB2A, member RAS oncogene family Homo sapiens 4-7 8419365-6 1993 Purified Sar1p binds guanine nucleotides specifically and exhibits GTPase activity (0.001 min-1). Guanine Nucleotides 21-40 Arf family GTPase SAR1 Saccharomyces cerevisiae S288C 9-14 8419371-5 1993 All three mutations influence the dissociation constants and the association and dissociation rate constants of the interaction between guanine nucleotides and p21, but to a different degree. Guanine Nucleotides 136-155 H3 histone pseudogene 16 Homo sapiens 160-163 8419371-7 1993 31P NMR spectra of the GDP and Gpp(NH)p (guanosine-5"-(beta,gamma-imido)triphosphate) complexes of mutated p21 show a remarkable perturbation of the guanine nucleotide-binding site compared to wild-type protein. Guanine Nucleotides 149-167 H3 histone pseudogene 16 Homo sapiens 107-110 8299426-2 1993 The structure of the guanine nucleotide-binding domain of H-Ras (or p21H-ras) in the triphosphate conformation was determined at very high resolution (1.4 A). Guanine Nucleotides 21-39 HRas proto-oncogene, GTPase Homo sapiens 58-63 8111971-3 1993 We identify here the translational initiation complex, eIF-4F, and the guanine nucleotide exchange factor for eIF-2, eIF-2B, as the rate controlling components of protein synthesis in immature oocytes of the starfish, Pisaster orchraceus. Guanine Nucleotides 71-89 eukaryotic translation initiation factor 2 subunit beta Homo sapiens 110-115 8111971-3 1993 We identify here the translational initiation complex, eIF-4F, and the guanine nucleotide exchange factor for eIF-2, eIF-2B, as the rate controlling components of protein synthesis in immature oocytes of the starfish, Pisaster orchraceus. Guanine Nucleotides 71-89 eukaryotic translation initiation factor 2B subunit delta Homo sapiens 117-123 8094051-5 1993 The encoded protein stimulates the dissociation of guanine nucleotides from the ras-related ralA and ralB GTPases at a rate at least 30-fold faster than the intrinsic nucleotide dissociation rate. Guanine Nucleotides 51-70 RAS like proto-oncogene A Homo sapiens 92-96 8094051-5 1993 The encoded protein stimulates the dissociation of guanine nucleotides from the ras-related ralA and ralB GTPases at a rate at least 30-fold faster than the intrinsic nucleotide dissociation rate. Guanine Nucleotides 51-70 RAS like proto-oncogene B Homo sapiens 101-105 8417322-0 1993 Ras activation by insulin and epidermal growth factor through enhanced exchange of guanine nucleotides on p21ras. Guanine Nucleotides 83-102 insulin Homo sapiens 18-25 8417322-0 1993 Ras activation by insulin and epidermal growth factor through enhanced exchange of guanine nucleotides on p21ras. Guanine Nucleotides 83-102 epidermal growth factor Homo sapiens 30-53 8417322-0 1993 Ras activation by insulin and epidermal growth factor through enhanced exchange of guanine nucleotides on p21ras. Guanine Nucleotides 83-102 HRas proto-oncogene, GTPase Homo sapiens 106-112 8417322-2 1993 This accumulation could be caused either by an increase in guanine nucleotide exchange on p21ras or by a decrease in the GTPase activity of p21ras. Guanine Nucleotides 59-77 HRas proto-oncogene, GTPase Homo sapiens 90-96 8417348-7 1993 The predicted GCD11 polypeptide contains all of the consensus elements known to be required for guanine nucleotide binding, suggesting that, in Saccharomyces cerevisiae, the gamma subunit of eIF-2 is responsible for GDP-GTP binding. Guanine Nucleotides 96-114 eukaryotic translation initiation factor 2 subunit beta Homo sapiens 191-196 7999142-5 1993 In Saccharomyces cerevisiae, the function of guanine nucleotide exchange has been ascribed to the product of the CDC25 gene. Guanine Nucleotides 45-63 Ras family guanine nucleotide exchange factor CDC25 Saccharomyces cerevisiae S288C 113-118 8012061-6 1993 The relationship between guanine nucleotide pools and the induction of HL-60 differentiation by DDATHF was further supported by the finding that maturation and the depletion of intracellular GTP by DDATHF were not reversed by guanine nucleosides in HL-60 cells deficient in hypoxanthine-guanine phosphoribosyltransferase activity. Guanine Nucleotides 25-43 hypoxanthine phosphoribosyltransferase 1 Homo sapiens 274-320 1336300-4 1992 These results suggest that although PTH-mediated adenylate cyclase activity is regulated via both the stimulatory (Gs) and inhibitory (Gi) guanine nucleotide binding proteins, only Gs regulates PGE2-mediated adenylate cyclase activity in UMR-106 cells. Guanine Nucleotides 139-157 parathyroid hormone Rattus norvegicus 36-39 1336310-7 1992 The DOCA-NaCl-induced increment in cAMP response to VP remained after pretreatment of the rats with pertussis toxin (171 and 169% increase in response in DOCA-NaCl and control rats, respectively), suggesting that altered inhibitory guanine nucleotide binding (Gi) protein function is not the mechanism for the altered response to VP in the CCT. Guanine Nucleotides 232-250 arginine vasopressin Rattus norvegicus 52-54 1331090-9 1992 Recombinant Rac 2 was shown to bind guanine nucleotides in a Mg(2+)-dependent fashion. Guanine Nucleotides 36-55 Rac family small GTPase 2 Homo sapiens 12-17 1336112-0 1992 Neuromedin B receptors retain functional expression when transfected into BALB 3T3 fibroblasts: analysis of binding, kinetics, stoichiometry, modulation by guanine nucleotide-binding proteins, and signal transduction and comparison with natively expressed receptors. Guanine Nucleotides 156-174 neuromedin B Homo sapiens 0-12 1448152-7 1992 Here we report the discovery of an enzyme in a Golgi-enriched fraction that catalyses guanine nucleotide (GDP-GTP) exchange on ARF-1 protein, and which is inhibited by brefeldin A. Guanine Nucleotides 86-104 ADP ribosylation factor 1 Homo sapiens 127-132 1445262-13 1992 Ca2+ acts in concert with guanine nucleotides: it enhances the rate and extent of secretion and increases the affinity for Mg2+ and guanine nucleotides in the activation of the GTP-binding protein (GE) which regulates exocytosis. Guanine Nucleotides 26-45 carbonic anhydrase 2 Rattus norvegicus 0-3 1445262-13 1992 Ca2+ acts in concert with guanine nucleotides: it enhances the rate and extent of secretion and increases the affinity for Mg2+ and guanine nucleotides in the activation of the GTP-binding protein (GE) which regulates exocytosis. Guanine Nucleotides 26-45 RAS like proto-oncogene B Rattus norvegicus 177-196 1445262-13 1992 Ca2+ acts in concert with guanine nucleotides: it enhances the rate and extent of secretion and increases the affinity for Mg2+ and guanine nucleotides in the activation of the GTP-binding protein (GE) which regulates exocytosis. Guanine Nucleotides 132-151 carbonic anhydrase 2 Rattus norvegicus 0-3 1445262-13 1992 Ca2+ acts in concert with guanine nucleotides: it enhances the rate and extent of secretion and increases the affinity for Mg2+ and guanine nucleotides in the activation of the GTP-binding protein (GE) which regulates exocytosis. Guanine Nucleotides 132-151 RAS like proto-oncogene B Rattus norvegicus 177-196 1429836-2 1992 We demonstrate here that Vps1p, which contains a consensus tripartite motif for guanine nucleotide binding, is capable of binding and hydrolyzing GTP. Guanine Nucleotides 80-98 dynamin-like GTPase VPS1 Saccharomyces cerevisiae S288C 25-30 1429634-11 1992 This effect by the GDI protein is observed whether the membrane-associated CDC42Hs is preincubated with GDP, GTP gamma S, or no guanine nucleotides, and occurs over a similar concentration range as that necessary for the inhibition of the intrinsic GDP dissociation. Guanine Nucleotides 128-147 cell division cycle 42 Homo sapiens 75-82 1396590-1 1992 In Saccharomyces cerevisiae, the product of the CDC25 gene is an essential Ras activator that appears to function by stimulating guanine nucleotide exchange on Ras. Guanine Nucleotides 129-147 Ras family guanine nucleotide exchange factor CDC25 Saccharomyces cerevisiae S288C 48-53 1331412-6 1992 Together, these results suggest that in HEL cells, the mechanism of thrombin potentiation of cyclic AMP production may involve alterations in the interaction between stimulatory guanine nucleotide binding protein and the catalytic subunit of adenylyl cyclase, possibly involving protein kinase C-mediated phosphorylation. Guanine Nucleotides 178-196 coagulation factor II, thrombin Homo sapiens 68-76 1328204-8 1992 The alkalinization in response to isoproterenol was reversed by propranolol in the absence, but not the presence, of GTP gamma S and was completely blocked by GDP beta S. The ability of guanine nucleotides to regulate beta-adrenergic activation of NHE-1 in cells expressing the mutant D(222-229)beta 2-AR suggests that functional coupling of the beta-AR to NHE-1 may be mediated by a GTP-binding protein other than Gs. Guanine Nucleotides 186-205 solute carrier family 9 member A1 Canis lupus familiaris 248-253 1328204-8 1992 The alkalinization in response to isoproterenol was reversed by propranolol in the absence, but not the presence, of GTP gamma S and was completely blocked by GDP beta S. The ability of guanine nucleotides to regulate beta-adrenergic activation of NHE-1 in cells expressing the mutant D(222-229)beta 2-AR suggests that functional coupling of the beta-AR to NHE-1 may be mediated by a GTP-binding protein other than Gs. Guanine Nucleotides 186-205 solute carrier family 9 member A1 Canis lupus familiaris 357-362 1445212-4 1992 Guanine-nucleotide-binding displacement analysis gave a stoichiometry of 1 G-protein per 12.5 rhodopsin molecules, the same as in vertebrate rod photoreceptors. Guanine Nucleotides 0-18 rhodopsin Homo sapiens 94-103 1327726-4 1992 The efficacy of VIP and forskolin in stimulation of adenylyl cyclase activity as well as the potentiating effect of GTP on VIP action were also reduced in diabetes, as was the expression of the alpha-subunit of the guanine nucleotide-binding regulatory proteins Gs and Gi (studied by ADP ribosylation with cholera and pertussis toxins). Guanine Nucleotides 215-233 vasoactive intestinal peptide Rattus norvegicus 16-19 1327726-4 1992 The efficacy of VIP and forskolin in stimulation of adenylyl cyclase activity as well as the potentiating effect of GTP on VIP action were also reduced in diabetes, as was the expression of the alpha-subunit of the guanine nucleotide-binding regulatory proteins Gs and Gi (studied by ADP ribosylation with cholera and pertussis toxins). Guanine Nucleotides 215-233 vasoactive intestinal peptide Rattus norvegicus 123-126 1429539-2 1992 The model is based on analogies to the known structures of the MgATP site on adenylate kinase and the guanine nucleotide sites on elongation factor Tu (Ef-Tu) and the ras p21 protein. Guanine Nucleotides 102-120 eukaryotic translation elongation factor 1 alpha 1 Homo sapiens 130-150 1429539-2 1992 The model is based on analogies to the known structures of the MgATP site on adenylate kinase and the guanine nucleotide sites on elongation factor Tu (Ef-Tu) and the ras p21 protein. Guanine Nucleotides 102-120 eukaryotic translation elongation factor 1 alpha 1 Homo sapiens 152-157 1429539-2 1992 The model is based on analogies to the known structures of the MgATP site on adenylate kinase and the guanine nucleotide sites on elongation factor Tu (Ef-Tu) and the ras p21 protein. Guanine Nucleotides 102-120 H3 histone pseudogene 16 Homo sapiens 171-174 1333052-8 1992 The Gq/11 alpha peptide antibody was shown to immunodeplete the Gp activity of GH3 cell membrane extracts measured by reconstitution of the guanine nucleotide regulation of PLC-beta 1. Guanine Nucleotides 140-158 phospholipase C beta 1 Rattus norvegicus 173-183 1528887-2 1992 Previous studies have demonstrated that E(spl) is defined by two groups of closely related transcripts, (i) a cluster of three transcripts encoding proteins bearing a helix-loop-helix (HLH) motif and (ii) a single-copy gene encoding a nuclear protein containing repeated motifs first identified in the beta subunit of guanine nucleotide-binding proteins. Guanine Nucleotides 318-336 Enhancer of split mbeta, helix-loop-helix Drosophila melanogaster 40-46 1383494-10 1992 Guanine nucleotides were also found to significantly reduce 0.1 nM [125I]aFGF binding in a heparin-dependent fashion. Guanine Nucleotides 0-19 fibroblast growth factor 1 Homo sapiens 73-77 1517219-9 1992 rARF 6 exhibited a delay in activation of toxin not detected with rARF 2 that may be related to a requirement for guanine nucleotide exchange and/or GTP binding. Guanine Nucleotides 114-132 ADP-ribosylation factor 6 Rattus norvegicus 0-6 1517219-2 1992 ADP-ribosylation factors (ARFs) are highly conserved approximately 20-kDa guanine nucleotide-binding proteins that were first identified based on their ability to stimulate the cholera toxin-catalyzed ADP-ribosylation of Gs alpha and thus activate adenylyl cyclase. Guanine Nucleotides 74-92 GNAS complex locus Homo sapiens 221-229 1517219-9 1992 rARF 6 exhibited a delay in activation of toxin not detected with rARF 2 that may be related to a requirement for guanine nucleotide exchange and/or GTP binding. Guanine Nucleotides 114-132 MBL associated serine protease 1 Rattus norvegicus 0-4 1329904-4 1992 Forskolin-stimulated adenylate cyclase activity in the presence of Mn2+ was also increased in membranes prepared from SMS-treated cyc- cells; however, guanine nucleotide-mediated inhibition of adenylate cyclase activity was not changed despite a small decrease in inhibitory Gi alpha subunits detected by immunoblotting. Guanine Nucleotides 151-169 peptidylprolyl isomerase A, pseudogene 1 Mus musculus 31-34 1329904-4 1992 Forskolin-stimulated adenylate cyclase activity in the presence of Mn2+ was also increased in membranes prepared from SMS-treated cyc- cells; however, guanine nucleotide-mediated inhibition of adenylate cyclase activity was not changed despite a small decrease in inhibitory Gi alpha subunits detected by immunoblotting. Guanine Nucleotides 151-169 guanine nucleotide binding protein (G protein), alpha inhibiting 2 Mus musculus 275-283 1336189-3 1992 Guanine nucleotides inhibit cross-linking of 125I-VIP to its receptor, and cross-linking with ethylene glycolbis(succinimidylsuccinate) provides further evidence for complex formation between VIP, its receptor and a guanine nucleotide-binding regulatory protein (G-protein). Guanine Nucleotides 0-19 vasoactive intestinal peptide Rattus norvegicus 50-53 1336189-3 1992 Guanine nucleotides inhibit cross-linking of 125I-VIP to its receptor, and cross-linking with ethylene glycolbis(succinimidylsuccinate) provides further evidence for complex formation between VIP, its receptor and a guanine nucleotide-binding regulatory protein (G-protein). Guanine Nucleotides 0-19 vasoactive intestinal peptide Rattus norvegicus 192-195 1480518-6 1992 These results directly suggest the coupling of VIP binding sites with guanine nucleotide binding proteins in rat peritoneal macrophage membranes. Guanine Nucleotides 70-88 vasoactive intestinal peptide Rattus norvegicus 47-50 1480518-0 1992 Guanine nucleotide regulation of VIP binding to rat peritoneal macrophage membranes. Guanine Nucleotides 0-18 vasoactive intestinal peptide Rattus norvegicus 33-36 1510926-1 1992 The functional role of Asp80, a residue involved in the coordination of the Mg(2+).guanine nucleotide complex in elongation factor Tu (EF-Tu), has been investigated by its substitution with Asn in the isolated N-terminal domain (G domain). Guanine Nucleotides 83-101 eukaryotic translation elongation factor 1 alpha 1 Homo sapiens 113-133 1480518-1 1992 In the present study, we have examined the effect of guanine nucleotides on VIP binding to rat peritoneal macrophage membranes. Guanine Nucleotides 53-72 vasoactive intestinal peptide Rattus norvegicus 76-79 1512243-3 1992 In these studies we have investigated the role of the beta gamma T subunit complex in promoting the rhodopsin-stimulated guanine nucleotide exchange reaction (i.e. the activation event) of the alpha T subunit. Guanine Nucleotides 121-139 rhodopsin Homo sapiens 100-109 1499548-11 1992 We propose that the guanine-nucleotide-exchange stimulation by EF-1 beta is induced through binding of this factor to the carboxy-terminal part of EF-1 alpha. Guanine Nucleotides 20-38 eukaryotic translation elongation factor 1 beta 2 Homo sapiens 63-72 1510926-1 1992 The functional role of Asp80, a residue involved in the coordination of the Mg(2+).guanine nucleotide complex in elongation factor Tu (EF-Tu), has been investigated by its substitution with Asn in the isolated N-terminal domain (G domain). Guanine Nucleotides 83-101 eukaryotic translation elongation factor 1 alpha 1 Homo sapiens 135-140 1504099-1 1992 We studied the effect of guanine nucleotides on the carboxyl methylation catalyzed by class II protein carboxylmethyltransferases (PCMT). Guanine Nucleotides 25-44 isoprenylcysteine carboxyl methyltransferase Homo sapiens 131-135 1499548-11 1992 We propose that the guanine-nucleotide-exchange stimulation by EF-1 beta is induced through binding of this factor to the carboxy-terminal part of EF-1 alpha. Guanine Nucleotides 20-38 eukaryotic translation elongation factor 1 alpha 2 Homo sapiens 147-157 1499548-12 1992 As a result, a decreased susceptibility towards trypsin of the guanine-nucleotide-binding pocket of EF-1 alpha, especially in the region of its presumed effector loop is induced. Guanine Nucleotides 63-81 eukaryotic translation elongation factor 1 alpha 2 Homo sapiens 100-110 1322494-2 1992 ANF (99-126) inhibits adenylate cyclase activity only in the presence of guanine nucleotides. Guanine Nucleotides 73-92 natriuretic peptide A Homo sapiens 0-3 1644315-1 1992 In the budding yeast, Saccharomyces cerevisiae, the function of wild-type Ras proteins is dependent on the CDC25 protein, which promotes the exchange of guanine nucleotides bound to Ras. Guanine Nucleotides 153-172 Ras family guanine nucleotide exchange factor CDC25 Saccharomyces cerevisiae S288C 107-112 1513321-12 1992 Finally, the formation of the immunoprecipitated AngII-R-PLC-alpha complex was disrupted by the nonhydrolyzable guanine nucleotide analog GTP gamma S, suggesting that the interaction between AngII-Rs and PLC-alpha is likely to involve a heterotrimeric guanine nucleotide-binding protein in neuron-like cells. Guanine Nucleotides 112-130 angiotensinogen (serpin peptidase inhibitor, clade A, member 8) Mus musculus 49-54 1513321-12 1992 Finally, the formation of the immunoprecipitated AngII-R-PLC-alpha complex was disrupted by the nonhydrolyzable guanine nucleotide analog GTP gamma S, suggesting that the interaction between AngII-Rs and PLC-alpha is likely to involve a heterotrimeric guanine nucleotide-binding protein in neuron-like cells. Guanine Nucleotides 112-130 protein disulfide isomerase associated 3 Mus musculus 57-66 1513321-12 1992 Finally, the formation of the immunoprecipitated AngII-R-PLC-alpha complex was disrupted by the nonhydrolyzable guanine nucleotide analog GTP gamma S, suggesting that the interaction between AngII-Rs and PLC-alpha is likely to involve a heterotrimeric guanine nucleotide-binding protein in neuron-like cells. Guanine Nucleotides 112-130 angiotensinogen (serpin peptidase inhibitor, clade A, member 8) Mus musculus 191-196 1513321-12 1992 Finally, the formation of the immunoprecipitated AngII-R-PLC-alpha complex was disrupted by the nonhydrolyzable guanine nucleotide analog GTP gamma S, suggesting that the interaction between AngII-Rs and PLC-alpha is likely to involve a heterotrimeric guanine nucleotide-binding protein in neuron-like cells. Guanine Nucleotides 112-130 protein disulfide isomerase associated 3 Mus musculus 204-213 1513321-12 1992 Finally, the formation of the immunoprecipitated AngII-R-PLC-alpha complex was disrupted by the nonhydrolyzable guanine nucleotide analog GTP gamma S, suggesting that the interaction between AngII-Rs and PLC-alpha is likely to involve a heterotrimeric guanine nucleotide-binding protein in neuron-like cells. Guanine Nucleotides 252-270 angiotensinogen (serpin peptidase inhibitor, clade A, member 8) Mus musculus 49-54 1513321-12 1992 Finally, the formation of the immunoprecipitated AngII-R-PLC-alpha complex was disrupted by the nonhydrolyzable guanine nucleotide analog GTP gamma S, suggesting that the interaction between AngII-Rs and PLC-alpha is likely to involve a heterotrimeric guanine nucleotide-binding protein in neuron-like cells. Guanine Nucleotides 252-270 protein disulfide isomerase associated 3 Mus musculus 57-66 1513321-12 1992 Finally, the formation of the immunoprecipitated AngII-R-PLC-alpha complex was disrupted by the nonhydrolyzable guanine nucleotide analog GTP gamma S, suggesting that the interaction between AngII-Rs and PLC-alpha is likely to involve a heterotrimeric guanine nucleotide-binding protein in neuron-like cells. Guanine Nucleotides 252-270 angiotensinogen (serpin peptidase inhibitor, clade A, member 8) Mus musculus 191-196 1513321-12 1992 Finally, the formation of the immunoprecipitated AngII-R-PLC-alpha complex was disrupted by the nonhydrolyzable guanine nucleotide analog GTP gamma S, suggesting that the interaction between AngII-Rs and PLC-alpha is likely to involve a heterotrimeric guanine nucleotide-binding protein in neuron-like cells. Guanine Nucleotides 252-270 protein disulfide isomerase associated 3 Mus musculus 204-213 1497643-5 1992 We suggest that, as for GS alpha phosphorylation by protein kinase C (Pyne et al., 1992), the guanine nucleotide-free form of GS alpha is the most likely substrate. Guanine Nucleotides 94-112 GNAS complex locus Homo sapiens 126-134 1497643-6 1992 Guanine-nucleotides reduce the lifetime and, therefore availability for phosphorylation, of guanine-nucleotide free GS alpha. Guanine Nucleotides 0-19 GNAS complex locus Homo sapiens 116-124 1497643-6 1992 Guanine-nucleotides reduce the lifetime and, therefore availability for phosphorylation, of guanine-nucleotide free GS alpha. Guanine Nucleotides 92-110 GNAS complex locus Homo sapiens 116-124 1322494-8 1992 N-Ethylmaleimide (NEM), phorbol ester and Ca(2+)-phospholipid dependent protein kinase (C-kinase) which have been shown to interact with inhibitory guanine nucleotide regulating protein (Gi) also resulted in the attenuation of ANF-mediated inhibition of adenylate cyclase activity. Guanine Nucleotides 148-166 natriuretic peptide A Homo sapiens 227-230 1503566-0 1992 Rate laws for the exchange of guanine nucleotides bound to EF-Tu catalysed by EF-Ts. Guanine Nucleotides 30-49 Tu translation elongation factor, mitochondrial Homo sapiens 59-64 1503566-0 1992 Rate laws for the exchange of guanine nucleotides bound to EF-Tu catalysed by EF-Ts. Guanine Nucleotides 30-49 Ts translation elongation factor, mitochondrial Homo sapiens 78-83 1503566-1 1992 The rate laws governing the exchange of guanine nucleotides bound to EF-Tu catalysed by EF-Ts are set out and the information that is available from various studies is analysed in terms of the laws. Guanine Nucleotides 40-59 Tu translation elongation factor, mitochondrial Homo sapiens 69-74 1503566-1 1992 The rate laws governing the exchange of guanine nucleotides bound to EF-Tu catalysed by EF-Ts are set out and the information that is available from various studies is analysed in terms of the laws. Guanine Nucleotides 40-59 Ts translation elongation factor, mitochondrial Homo sapiens 88-93 1353250-11 1992 These findings suggest that SSTR2 receptors can be regulated and they associate with pertussis toxin-sensitive guanine nucleotide-binding proteins, whereas SSTR1 receptors do not. Guanine Nucleotides 111-129 somatostatin receptor type 2 Cricetulus griseus 28-33 1637317-8 1992 The guanine-nucleotide-free form of Gs alpha appears to be the preferred substrate for phosphorylation. Guanine Nucleotides 4-22 GNAS complex locus Homo sapiens 36-44 1279450-2 1992 Somatostatin induced an enhancement of cyclic AMP formation in presence of guanine nucleotides and cholera toxin but inhibited pertussis toxin and forskolin enzyme stimulation. Guanine Nucleotides 75-94 somatostatin Rattus norvegicus 0-12 1431834-9 1992 GAP-43 regulates their guanine nucleotide exchange, which is an unusual role for an intracellular protein. Guanine Nucleotides 23-41 growth associated protein 43 Homo sapiens 0-6 1279450-8 1992 These results suggest that neuromodulatory effects of somatostatin, substance P, and VIP are mediated by the inhibitory as well as stimulatory guanine nucleotide proteins G-i and G-s coupled to an adenylate cyclase system. Guanine Nucleotides 143-161 somatostatin Rattus norvegicus 54-66 1279450-8 1992 These results suggest that neuromodulatory effects of somatostatin, substance P, and VIP are mediated by the inhibitory as well as stimulatory guanine nucleotide proteins G-i and G-s coupled to an adenylate cyclase system. Guanine Nucleotides 143-161 vasoactive intestinal peptide Rattus norvegicus 85-88 1618801-1 1992 Deletion of the amino-terminal 17 residues from human ADP-ribosylation factor (ARF) resulted in a protein ([delta 1-17]mARF1p) devoid of ARF activity but which retained the ability to bind guanine nucleotides with high affinity. Guanine Nucleotides 189-208 ADP-ribosylation factor 1 Mus musculus 119-125 1376246-1 1992 In the yeast Saccharomyces cerevisiae genetic and biochemical evidence indicates that the product of the CDC25 gene activates the RAS/adenylyl cyclase/protein kinase A pathway by acting as a guanine nucleotide protein. Guanine Nucleotides 191-209 Ras family guanine nucleotide exchange factor CDC25 Saccharomyces cerevisiae S288C 105-110 1315377-8 1992 These results show the concerted activities of PtdIns synthase, PtdIns 4-kinase, and phospholipase C, and constitute a simple assay for guanine nucleotide-dependent agonist stimulation of phospholipase C in a brain membrane system using [3H]Ins as labeled precursor. Guanine Nucleotides 136-154 CDP-diacylglycerol--inositol 3-phosphatidyltransferase Rattus norvegicus 47-62 1534749-3 1992 GAP-43 is a neuronal protein that increases guanine nucleotide exchange by heterotrimeric G proteins. Guanine Nucleotides 44-62 growth associated protein 43 Homo sapiens 0-6 1578148-8 1992 The IRG-47 coding sequence contains all three highly conserved peptide motifs in the appropriate spacing characteristic of guanine nucleotide-binding proteins. Guanine Nucleotides 123-141 interferon gamma inducible protein 47 Mus musculus 4-10 1317174-1 1992 We examined the potential role of a guanine nucleotide-binding protein in the biosynthesis of paf-acether (paf) and the release of beta-hexosaminidase during antigenic stimulation of cultured mouse bone marrow-derived mast cells. Guanine Nucleotides 36-54 O-GlcNAcase Mus musculus 131-150 1577740-0 1992 Characterization of the human gene encoding ADP-ribosylation factor 1, a guanine nucleotide-binding activator of cholera toxin. Guanine Nucleotides 73-91 ADP ribosylation factor 1 Homo sapiens 44-69 1569935-3 1992 Homology between CAG1 and SCG1 not only includes the conserved guanine nucleotide binding domains but also spans the normally variable regions which are thought to be involved in interaction with the components of the specific signal transduction pathway. Guanine Nucleotides 63-81 guanine nucleotide-binding protein subunit alpha Saccharomyces cerevisiae S288C 26-30 1569942-2 1992 We have been able to show for the first time that the guanine nucleotide exchange proteins Cdc25 and Sdc25 from Saccharomyces cerevisiae bind directly to their targets Ras1 and Ras2 in vivo. Guanine Nucleotides 54-72 Ras family guanine nucleotide exchange factor CDC25 Saccharomyces cerevisiae S288C 91-96 1326449-2 1992 In the present study we analyzed the binding of GnRH analogues to these membranes and assessed its modulation by guanine nucleotides. Guanine Nucleotides 113-132 gonadotropin releasing hormone 1 Rattus norvegicus 48-52 1569942-2 1992 We have been able to show for the first time that the guanine nucleotide exchange proteins Cdc25 and Sdc25 from Saccharomyces cerevisiae bind directly to their targets Ras1 and Ras2 in vivo. Guanine Nucleotides 54-72 SDC25 Saccharomyces cerevisiae S288C 101-106 1569942-2 1992 We have been able to show for the first time that the guanine nucleotide exchange proteins Cdc25 and Sdc25 from Saccharomyces cerevisiae bind directly to their targets Ras1 and Ras2 in vivo. Guanine Nucleotides 54-72 Ras family GTPase RAS1 Saccharomyces cerevisiae S288C 168-172 1569942-2 1992 We have been able to show for the first time that the guanine nucleotide exchange proteins Cdc25 and Sdc25 from Saccharomyces cerevisiae bind directly to their targets Ras1 and Ras2 in vivo. Guanine Nucleotides 54-72 Ras family GTPase RAS2 Saccharomyces cerevisiae S288C 177-181 1326449-7 1992 The inhibition of buserelin binding by guanine nucleotides was specific for nucleotides that interact with G-binding proteins and was dose-dependent with a maximal effect at 10 microM GTP gamma S. Kinetic analysis of buserelin binding revealed that the dissociation rate increased at least 4-fold in the presence of 10 microM GTP gamma S. These results support the hypothesis that GnRH analogues interact directly with mammary tumors and activate a G-protein-dependent transducing mechanism. Guanine Nucleotides 39-58 gonadotropin releasing hormone 1 Rattus norvegicus 381-385 1312937-0 1992 Tumor necrosis factor-mediated cell lysis in vitro: relationship to cAMP accumulation and guanine nucleotide-binding proteins. Guanine Nucleotides 90-108 tumor necrosis factor Homo sapiens 0-21 1351293-1 1992 Current knowledge of the structure of H-ras p21 is reviewed with particular emphasis on the interaction between guanine nucleotides and the active site of the protein. Guanine Nucleotides 112-131 H3 histone pseudogene 16 Homo sapiens 44-47 1351296-1 1992 Guanine nucleotides modified by acetylation of the ribose moiety with the small fluorophore N-methylanthranilic acid(mant) have been shown to bind to p21 ras with similar equilibrium and kinetic rate constants as the parent nucleotides. Guanine Nucleotides 0-19 H3 histone pseudogene 16 Homo sapiens 150-153 1533366-6 1992 The results of this analysis have indicated two distinct interactive regions in p21, one associated with the guanine-nucleotide-binding site, whilst the second is proposed to be associated with a binding site for an activator protein. Guanine Nucleotides 109-127 H3 histone pseudogene 16 Homo sapiens 80-83 1533366-7 1992 These studies indicate that the p21 protein, besides the ability to function as a plasma-membrane-associated guanine-nucleotide-binding regulatory protein and bind free guanine nucleotides in the cytoplasm, has the structural ability to bind guanine incorporated in DNA. Guanine Nucleotides 169-188 H3 histone pseudogene 16 Homo sapiens 32-35 1532814-2 1992 Here we show that the guanine nucleotide-binding proteins p21ras may be involved in IL-2 signal transduction pathways. Guanine Nucleotides 22-40 HRas proto-oncogene, GTPase Homo sapiens 58-64 1532814-2 1992 Here we show that the guanine nucleotide-binding proteins p21ras may be involved in IL-2 signal transduction pathways. Guanine Nucleotides 22-40 interleukin 2 Homo sapiens 84-88 1573997-3 1992 Crystallographic analysis at 2.6 A resolution and site-directed mutagenesis have revealed structural and functional similarities between the guanine nucleotide-binding domains of EF-Tu and human H-ras p21 protein. Guanine Nucleotides 141-159 Tu translation elongation factor, mitochondrial Homo sapiens 179-184 1312327-0 1992 Interactions of the ras-like protein p25rab3A with Mg2+ and guanine nucleotides. Guanine Nucleotides 60-79 tubulin polymerization promoting protein Homo sapiens 37-40 1310718-5 1992 Membranes prepared from GS alpha IND cells grown in the presence of dexamethasone bound agonist with high affinity, and this binding was sensitive to guanine nucleotides. Guanine Nucleotides 150-169 GNAS (guanine nucleotide binding protein, alpha stimulating) complex locus Mus musculus 24-32 1311561-0 1992 Investigation of guanine-nucleotide-binding protein involvement and regulation of cyclic AMP metabolism in interleukin 1 signal transduction. Guanine Nucleotides 17-35 interleukin 1 complex Mus musculus 107-120 1633420-2 1992 Regulation of p21ras is achieved by GTPase activating proteins, which control the rate of hydrolysis of GTP to GDP, and also by GDP dissociation stimulators, which catalyze the exchange of guanine nucleotides. Guanine Nucleotides 189-208 HRas proto-oncogene, GTPase Homo sapiens 14-20 1311561-7 1992 These results suggest that IL1 receptor function may be regulated by guanine nucleotides; however, the mechanism appears to differ from that exhibited by conventional G-protein-linked receptors. Guanine Nucleotides 69-88 interleukin 1 complex Mus musculus 27-30 1740128-2 1992 The influence of the ionic environment on the intrinsic GTPase activity and the guanine-nucleotide interaction of Ha-ras protein p21 were studied in various experimental conditions and compared with the behaviour of elongation factor (EF) Tu. Guanine Nucleotides 80-98 H3 histone pseudogene 16 Homo sapiens 129-132 1737648-0 1992 Angiotensin II-induced changes in guanine nucleotide binding and regulatory proteins. Guanine Nucleotides 34-52 angiotensinogen Homo sapiens 0-14 1536651-5 1992 This decrease in insulin binding was specific for guanine nucleotides. Guanine Nucleotides 50-69 insulin Meleagris gallopavo 17-24 1395932-2 1992 In T cells recent studies have indicated that activation of the guanine nucleotide-binding proteins p21ras is mediated by PKC, which suggests that the p21ras proteins may regulate intracellular signalling events downstream of PKC. Guanine Nucleotides 64-82 HRas proto-oncogene, GTPase Homo sapiens 100-106 1315991-5 1992 PI-PLC activity is regulated by guanine nucleotide(GTP)-binding proteins. Guanine Nucleotides 32-50 phospholipase C beta 1 Homo sapiens 0-6 1395932-2 1992 In T cells recent studies have indicated that activation of the guanine nucleotide-binding proteins p21ras is mediated by PKC, which suggests that the p21ras proteins may regulate intracellular signalling events downstream of PKC. Guanine Nucleotides 64-82 HRas proto-oncogene, GTPase Homo sapiens 151-157 1328053-1 1992 The neurokinin-1 (NK-1, substance P) receptor belongs to the class of seven transmembrane domain (7-TM) receptors that interact with cellular effector systems via guanine nucleotide binding regulatory proteins (G-proteins). Guanine Nucleotides 163-181 tachykinin receptor 1 Homo sapiens 4-45 1350478-4 1992 In human lymphocytes containing beta 2-receptors and in human myocardial membranes containing both beta 1- and beta 2-receptors carvedilol exhibited the unique property of guanine nucleotide modulatable binding. Guanine Nucleotides 172-190 potassium calcium-activated channel subfamily M regulatory beta subunit 1 Homo sapiens 99-117 1741165-7 1992 In vivo guanine nucleotide binding to p21ras in the revertant cell lines demonstrated binding of both GTP and GDP, indicating that reversion to the non-transformed phenotype was not due to inability of p21ras to bind GTP. Guanine Nucleotides 8-26 HRas proto-oncogene, GTPase Homo sapiens 38-44 1761576-0 1991 Guanine nucleotide biosynthesis is regulated by the cellular p53 concentration. Guanine Nucleotides 0-18 transformation related protein 53, pseudogene Mus musculus 61-64 1364285-12 1992 Purified GAP-43 does stimulate guanine nucleotide binding to G(o). Guanine Nucleotides 31-49 growth associated protein 43 Homo sapiens 9-15 1744102-6 1991 The conserved amino acid sequences involved in guanine nucleotide binding by ARF 3 are distributed among separate exons, as found in other GTP-binding protein genes. Guanine Nucleotides 47-65 ADP ribosylation factor 3 Homo sapiens 77-82 1667760-4 1991 The stable guanine nucleotide GTP gamma S inhibited binding of [125I][Sar1]angiotensin II in young and adult rats by approximately 50% with IC50 values of 105 and 120 nM, respectively, suggesting that the angiotensin receptor is G-protein linked. Guanine Nucleotides 11-29 angiotensinogen Rattus norvegicus 75-89 1801922-0 1991 Ca2+ inhibits guanine nucleotide-activated phospholipase D in neural-derived NG108-15 cells. Guanine Nucleotides 14-32 carbonic anhydrase 2 Mus musculus 0-3 1804111-0 1991 Analysis of rate constants governing the exchange of guanine nucleotides bound to EF-Tu catalysed by EF-Ts. Guanine Nucleotides 53-72 Tu translation elongation factor, mitochondrial Homo sapiens 82-87 1804111-0 1991 Analysis of rate constants governing the exchange of guanine nucleotides bound to EF-Tu catalysed by EF-Ts. Guanine Nucleotides 53-72 Ts translation elongation factor, mitochondrial Homo sapiens 101-106 1801922-6 1991 Higher Ca2+ concentrations (greater than or equal to 1 microM) completely inhibited PLD activation by GTP gamma S. It is concluded that elevated intracellular Ca2+ concentrations may negatively modulate PLD activation by a guanine nucleotide-binding protein, thus affecting receptor-PLD coupling in neural-derived cells. Guanine Nucleotides 223-241 carbonic anhydrase 2 Mus musculus 7-10 1801922-6 1991 Higher Ca2+ concentrations (greater than or equal to 1 microM) completely inhibited PLD activation by GTP gamma S. It is concluded that elevated intracellular Ca2+ concentrations may negatively modulate PLD activation by a guanine nucleotide-binding protein, thus affecting receptor-PLD coupling in neural-derived cells. Guanine Nucleotides 223-241 carbonic anhydrase 2 Mus musculus 159-162 1758439-1 1991 RDC4 is a guanine nucleotide-binding protein-coupled receptor clone originally isolated from a canine thyroid cDNA library by Libert and colleagues [Science (Washington D. C.) 244:569-572 (1989)]. Guanine Nucleotides 10-28 5-hydroxytryptamine receptor 1D Canis lupus familiaris 0-4 1834672-8 1991 There is specificity to the interaction, in that GAP-43 increases GTP gamma S binding to recombinant alpha o and alpha i1, but not to recombinant alpha s. Thus, GAP-43 is a guanine nucleotide release protein with a novel mechanism of action, potentially controlling membrane-associated G proteins from within the cell. Guanine Nucleotides 173-191 growth associated protein 43 Homo sapiens 49-55 1834672-8 1991 There is specificity to the interaction, in that GAP-43 increases GTP gamma S binding to recombinant alpha o and alpha i1, but not to recombinant alpha s. Thus, GAP-43 is a guanine nucleotide release protein with a novel mechanism of action, potentially controlling membrane-associated G proteins from within the cell. Guanine Nucleotides 173-191 growth associated protein 43 Homo sapiens 161-167 1934068-6 1991 The other locus encodes a protein that is homologous to the S. cerevisiae CDC25 protein, an activator of guanine nucleotide exchange by ras proteins. Guanine Nucleotides 105-123 Ras family guanine nucleotide exchange factor CDC25 Saccharomyces cerevisiae S288C 74-79 1956381-0 1991 Catalysis of guanine nucleotide exchange on the CDC42Hs protein by the dbl oncogene product. Guanine Nucleotides 13-31 cell division cycle 42 Homo sapiens 48-55 1720612-0 1991 Bombesin, neuromedin B and neuromedin C interact with a common rat pancreatic phosphoinositide-coupled receptor, but are differentially regulated by guanine nucleotides. Guanine Nucleotides 149-168 neuromedin B Rattus norvegicus 10-22 1720612-8 1991 The guanine nucleotide analogue guanosine 5"-[beta gamma-imido]triphosphate (Gpp[NH]p) produced rightward shifts of NMC and NMB competition curves by 3.5- and 16-fold respectively, but had little effect on the BB and GRP curves. Guanine Nucleotides 4-22 neuromedin B Rattus norvegicus 124-127 1720612-8 1991 The guanine nucleotide analogue guanosine 5"-[beta gamma-imido]triphosphate (Gpp[NH]p) produced rightward shifts of NMC and NMB competition curves by 3.5- and 16-fold respectively, but had little effect on the BB and GRP curves. Guanine Nucleotides 4-22 gastrin releasing peptide Rattus norvegicus 217-220 1932015-0 1991 An isotope edited classical Raman difference spectroscopic study of the interactions of guanine nucleotides with elongation factor Tu and H-ras p21. Guanine Nucleotides 88-107 H3 histone pseudogene 16 Homo sapiens 144-147 1932015-1 1991 We have measured the Raman spectrum of GDP bound to the elongation factor protein, EF-Tu, and the c-Harvey-ras protein, p21, two proteins of the guanine nucleotide binding family. Guanine Nucleotides 145-163 H3 histone pseudogene 16 Homo sapiens 120-123 1839491-7 1991 The results are consistent with the formation of a stable EF-Tu.EF-Ts complex that affects the interaction of EF-Tu with guanine nucleotides and inhibitors. Guanine Nucleotides 121-140 AT695_RS01290 Staphylococcus aureus 58-63 1944575-0 1991 Catalysis of guanine nucleotide exchange on Ran by the mitotic regulator RCC1. Guanine Nucleotides 13-31 RAN, member RAS oncogene family Homo sapiens 44-47 1944575-0 1991 Catalysis of guanine nucleotide exchange on Ran by the mitotic regulator RCC1. Guanine Nucleotides 13-31 regulator of chromosome condensation 1 Homo sapiens 73-77 1944575-9 1991 Here we show that RCC1 specifically catalyses the exchange of guanine nucleotides on the Ran protein but not on the protein c-Ha-ras p21 (p21ras). Guanine Nucleotides 62-81 regulator of chromosome condensation 1 Homo sapiens 18-22 1944575-9 1991 Here we show that RCC1 specifically catalyses the exchange of guanine nucleotides on the Ran protein but not on the protein c-Ha-ras p21 (p21ras). Guanine Nucleotides 62-81 RAN, member RAS oncogene family Homo sapiens 89-92 1839491-7 1991 The results are consistent with the formation of a stable EF-Tu.EF-Ts complex that affects the interaction of EF-Tu with guanine nucleotides and inhibitors. Guanine Nucleotides 121-140 AT695_RS01290 Staphylococcus aureus 110-115 1682135-5 1991 These new observations suggest that somatostatin and epinephrine negatively modulate insulin availability through a guanine nucleotide binding protein-mediated step in insulin synthesis before the exocytotic pathway. Guanine Nucleotides 116-134 somatostatin Homo sapiens 36-48 1682135-5 1991 These new observations suggest that somatostatin and epinephrine negatively modulate insulin availability through a guanine nucleotide binding protein-mediated step in insulin synthesis before the exocytotic pathway. Guanine Nucleotides 116-134 insulin Homo sapiens 85-92 1682135-5 1991 These new observations suggest that somatostatin and epinephrine negatively modulate insulin availability through a guanine nucleotide binding protein-mediated step in insulin synthesis before the exocytotic pathway. Guanine Nucleotides 116-134 insulin Homo sapiens 168-175 1658789-2 1991 This phototransduction is mediated by a guanine nucleotide-binding (G) protein cascade in which rhodopsin is the receptor, transducin is the G-protein, and the cGMP-specific phosphodiesterase (PDE) is the effector. Guanine Nucleotides 40-58 rhodopsin Homo sapiens 96-105 1935791-0 1991 The effects of endothelins on the secretion of prolactin, luteinizing hormone, and follicle-stimulating hormone are mediated by different guanine nucleotide-binding proteins. Guanine Nucleotides 138-156 endothelin 1 Rattus norvegicus 15-26 1935791-0 1991 The effects of endothelins on the secretion of prolactin, luteinizing hormone, and follicle-stimulating hormone are mediated by different guanine nucleotide-binding proteins. Guanine Nucleotides 138-156 prolactin Rattus norvegicus 47-56 1785141-4 1991 The p21ras structure is similar to that of the G-domain of elongation factor Tu (EF-Tu) from Escherichia coli, suggesting that p21ras can serve as a good model for other guanine nucleotide binding proteins. Guanine Nucleotides 170-188 HRas proto-oncogene, GTPase Homo sapiens 4-10 1656792-3 1991 Activation of PI turnover by histamine and bradykinin is guanine nucleotide-dependent. Guanine Nucleotides 57-75 kininogen 1 Homo sapiens 43-53 1785141-4 1991 The p21ras structure is similar to that of the G-domain of elongation factor Tu (EF-Tu) from Escherichia coli, suggesting that p21ras can serve as a good model for other guanine nucleotide binding proteins. Guanine Nucleotides 170-188 HRas proto-oncogene, GTPase Homo sapiens 127-133 1885567-0 1991 Interaction of animal mitochondrial EF-Tu.EF-Ts with aminoacyl-tRNA, guanine nucleotides, and ribosomes. Guanine Nucleotides 69-88 Tu translation elongation factor, mitochondrial Homo sapiens 36-41 1655741-16 1991 The activation of PLC-beta 1 by the purified G-protein preparation was specific for nonhydrolyzable guanine nucleotides, the efficacy decreasing in order GTP gamma S greater than guanylimidodiphosphate greater than guanylyl(beta,gamma-methylene)-diphosphonate. Guanine Nucleotides 100-119 phospholipase C beta 1 Bos taurus 18-28 1885567-0 1991 Interaction of animal mitochondrial EF-Tu.EF-Ts with aminoacyl-tRNA, guanine nucleotides, and ribosomes. Guanine Nucleotides 69-88 Ts translation elongation factor, mitochondrial Homo sapiens 42-47 1885567-1 1991 The mammalian mitochondrial complex consisting of elongation factors EF-Tu and EF-Ts (EF-Tu.Tsmt) is capable of efficiently binding aminoacyl-tRNA to the ribosome in the presence and absence of guanine nucleotides. Guanine Nucleotides 194-213 Tu translation elongation factor, mitochondrial Homo sapiens 69-74 1885567-1 1991 The mammalian mitochondrial complex consisting of elongation factors EF-Tu and EF-Ts (EF-Tu.Tsmt) is capable of efficiently binding aminoacyl-tRNA to the ribosome in the presence and absence of guanine nucleotides. Guanine Nucleotides 194-213 Ts translation elongation factor, mitochondrial Homo sapiens 79-84 1885567-1 1991 The mammalian mitochondrial complex consisting of elongation factors EF-Tu and EF-Ts (EF-Tu.Tsmt) is capable of efficiently binding aminoacyl-tRNA to the ribosome in the presence and absence of guanine nucleotides. Guanine Nucleotides 194-213 Tu translation elongation factor, mitochondrial Homo sapiens 86-91 1875942-1 1991 The adenylate cyclase system of the yeast Saccharomyces cerevisiae contains many proteins, including the CYR1 polypeptide, which is responsible for catalyzing the formation of cyclic AMP from ATP, RAS1 and RAS2 polypeptides, which mediate stimulation of cyclic AMP synthesis by guanine nucleotides, and the yeast GTPase-activating protein analog IRA1. Guanine Nucleotides 278-297 adenylate cyclase Saccharomyces cerevisiae S288C 4-21 1875942-1 1991 The adenylate cyclase system of the yeast Saccharomyces cerevisiae contains many proteins, including the CYR1 polypeptide, which is responsible for catalyzing the formation of cyclic AMP from ATP, RAS1 and RAS2 polypeptides, which mediate stimulation of cyclic AMP synthesis by guanine nucleotides, and the yeast GTPase-activating protein analog IRA1. Guanine Nucleotides 278-297 adenylate cyclase Saccharomyces cerevisiae S288C 105-109 1875942-1 1991 The adenylate cyclase system of the yeast Saccharomyces cerevisiae contains many proteins, including the CYR1 polypeptide, which is responsible for catalyzing the formation of cyclic AMP from ATP, RAS1 and RAS2 polypeptides, which mediate stimulation of cyclic AMP synthesis by guanine nucleotides, and the yeast GTPase-activating protein analog IRA1. Guanine Nucleotides 278-297 Ras family GTPase RAS2 Saccharomyces cerevisiae S288C 206-210 1832279-1 1991 The influence of halothane on the interactions of 5-HT1A and adenosine A1 receptors with G proteins was determined by monitoring the guanine nucleotide sensitivity of agonist binding to these receptors. Guanine Nucleotides 133-151 5-hydroxytryptamine receptor 1A Rattus norvegicus 50-56 1883343-0 1991 Guanine-nucleotide- and adenine-nucleotide-dependent regulation of phospholipase D in electropermeabilized HL-60 granulocytes. Guanine Nucleotides 0-18 glycosylphosphatidylinositol specific phospholipase D1 Homo sapiens 67-82 1879563-2 1991 It is known that the receptor for platelet-derived growth factor (PDGF) activates phospholipase C (PLC) by phosphorylating the gamma 1 isoform of PLC with the receptor protein-tyrosine kinase (PTK), whereas a guanine nucleotide-binding protein participates as a transducer in the PLC activation through the receptors for vasopressin, bombesin and prostaglandin F2 alpha (PGF2 alpha). Guanine Nucleotides 209-227 protein tyrosine kinase 2 beta Homo sapiens 193-196 1652938-6 1991 The inhibitory effect of ANF on adenylate cyclase was also dependent on the presence of guanine nucleotides and was attenuated by amiloride and pertussis toxin. Guanine Nucleotides 88-107 natriuretic peptide A Rattus norvegicus 25-28 1649738-6 1991 In liver and lung parenchyma, binding to AT-1 receptors was sensitive to guanine nucleotides. Guanine Nucleotides 73-92 angiotensin II receptor, type 1a Rattus norvegicus 41-45 1654060-2 1991 We report that sodium fluoride (NaF), a potent activator of cellular guanine nucleotide-binding proteins, affected time- and concentration-dependent generation of prostacyclin (PGI2) by cultured human umbilical vein endothelial cells without evidence of cellular toxicity detected by 51Cr or lactate dehydrogenase release. Guanine Nucleotides 69-87 C-X-C motif chemokine ligand 8 Homo sapiens 32-35 1649188-7 1991 The amount of guanine nucleotide binding affected by occupation of the EGF receptor was approximately 6 pmol/mg of membrane protein. Guanine Nucleotides 14-32 epidermal growth factor like 1 Rattus norvegicus 71-74 1649738-0 1991 Angiotensin-II receptor subtypes in fetal tissue of the rat: autoradiography, guanine nucleotide sensitivity, and association with phosphoinositide hydrolysis. Guanine Nucleotides 78-96 angiotensinogen Rattus norvegicus 0-14 1649188-9 1991 The effect of angiotensin II on [alpha-32P]GDP dissociation was blocked by the angiotensin II receptor antagonist [Sar1,Ile8]angiotensin II, demonstrating that the guanine nucleotide binding was receptor-mediated. Guanine Nucleotides 164-182 angiotensinogen Rattus norvegicus 14-28 1648103-2 1991 RVGLVRGEKARKGK (peptide 14) from residues 2410-2423 of the human insulin-like growth factor II receptor (IGF-IIR) directly activates adenylylcyclase-inhibitory guanine nucleotide-binding proteins (Gi proteins) whereas RGEKARKGK (peptide 9) has no stimulatory action. Guanine Nucleotides 160-178 insulin like growth factor 2 receptor Homo sapiens 65-103 1649188-9 1991 The effect of angiotensin II on [alpha-32P]GDP dissociation was blocked by the angiotensin II receptor antagonist [Sar1,Ile8]angiotensin II, demonstrating that the guanine nucleotide binding was receptor-mediated. Guanine Nucleotides 164-182 angiotensinogen Rattus norvegicus 79-93 1649188-9 1991 The effect of angiotensin II on [alpha-32P]GDP dissociation was blocked by the angiotensin II receptor antagonist [Sar1,Ile8]angiotensin II, demonstrating that the guanine nucleotide binding was receptor-mediated. Guanine Nucleotides 164-182 angiotensinogen Rattus norvegicus 79-93 1648103-2 1991 RVGLVRGEKARKGK (peptide 14) from residues 2410-2423 of the human insulin-like growth factor II receptor (IGF-IIR) directly activates adenylylcyclase-inhibitory guanine nucleotide-binding proteins (Gi proteins) whereas RGEKARKGK (peptide 9) has no stimulatory action. Guanine Nucleotides 160-178 insulin like growth factor 2 receptor Homo sapiens 105-112 1906978-0 1991 Solubilization of a guanine nucleotide-sensitive form of the P2Y-purinergic receptor. Guanine Nucleotides 20-38 P2Y purinoceptor 1 Meleagris gallopavo 61-84 1905330-6 1991 An apparent role for guanine nucleotide-binding regulatory proteins in PLD regulation was also indicated by the significant reduction in FMLP- and ATP-stimulated PLD activity observed in cells pretreated with pertussis toxin. Guanine Nucleotides 21-39 glycosylphosphatidylinositol specific phospholipase D1 Homo sapiens 71-74 1905330-6 1991 An apparent role for guanine nucleotide-binding regulatory proteins in PLD regulation was also indicated by the significant reduction in FMLP- and ATP-stimulated PLD activity observed in cells pretreated with pertussis toxin. Guanine Nucleotides 21-39 glycosylphosphatidylinositol specific phospholipase D1 Homo sapiens 162-165 1647673-6 1991 However, the inhibitory effects of PYY were abolished when chief cells were preincubated with pertussis toxin, an agent that uncouples inhibitory guanine nucleotide binding (G) proteins from their receptors. Guanine Nucleotides 146-164 peptide YY Homo sapiens 35-38 1905813-4 1991 In comparison with other G protein alpha subunits, the G alpha 16 predicted protein has distinctive amino acid sequences in the amino terminus, the region A guanine nucleotide-binding domain, and in the carboxyl-terminal third of the protein. Guanine Nucleotides 157-175 G protein subunit alpha 15 Homo sapiens 55-65 1905982-3 1991 Although overexpressed BUD5 cannot substitute for CDC25 function, we present evidence that its gene product can bind to the guanine nucleotide binding-deficient RAS2val19ala22 gene product and thereby counteract its dominant-negative effect. Guanine Nucleotides 124-142 Ras family guanine nucleotide exchange factor BUD5 Saccharomyces cerevisiae S288C 23-27 1905982-3 1991 Although overexpressed BUD5 cannot substitute for CDC25 function, we present evidence that its gene product can bind to the guanine nucleotide binding-deficient RAS2val19ala22 gene product and thereby counteract its dominant-negative effect. Guanine Nucleotides 124-142 Ras family GTPase RAS2 Saccharomyces cerevisiae S288C 161-165 2049096-6 1991 These results clearly indicate the presence of specific binding sites for gastrin, probably coupled to guanine nucleotide-binding protein, in the carcinoid tumor membrane of Mastomys, and suggest that gastrin has possible biological actions on these tumors. Guanine Nucleotides 103-121 gastrin Homo sapiens 74-81 2049096-6 1991 These results clearly indicate the presence of specific binding sites for gastrin, probably coupled to guanine nucleotide-binding protein, in the carcinoid tumor membrane of Mastomys, and suggest that gastrin has possible biological actions on these tumors. Guanine Nucleotides 103-121 gastrin Homo sapiens 201-208 1674518-0 1991 CD2 antigen mediated activation of the guanine nucleotide binding proteins p21ras in human T lymphocytes. Guanine Nucleotides 39-57 CD2 molecule Homo sapiens 0-3 1674518-0 1991 CD2 antigen mediated activation of the guanine nucleotide binding proteins p21ras in human T lymphocytes. Guanine Nucleotides 39-57 HRas proto-oncogene, GTPase Homo sapiens 75-81 1674518-1 1991 T cell stimulation via the TCR complex (TCR/CD3 complex) results in activation of the guanine nucleotide binding proteins encoded by the ras protooncogenes (p21ras). Guanine Nucleotides 86-104 HRas proto-oncogene, GTPase Homo sapiens 157-163 1646951-12 1991 These findings provide the first evidence that CGRP receptors exist in multiple affinity states and that cerebellum CGRP receptors are regulated by guanine nucleotides. Guanine Nucleotides 148-167 calcitonin-related polypeptide alpha Rattus norvegicus 116-120 1646945-10 1991 In other membrane-based assays, the long and short forms of GS alpha were also equivalent in their dose response to isoproterenol and GTP, their kinetics of guanine nucleotide exchange and GTPase activity, and the induced high and low affinity states of the beta-adrenergic receptor in response to isoproterenol. Guanine Nucleotides 157-175 GNAS (guanine nucleotide binding protein, alpha stimulating) complex locus Mus musculus 60-68 1646951-13 1991 Our results also suggest the existence of two affinity states of the CGRP-receptor-guanine nucleotide-binding protein ternary complex. Guanine Nucleotides 83-101 calcitonin-related polypeptide alpha Rattus norvegicus 69-73 2038322-5 1991 Biochemical analysis of the proteins encoded by v-rasH(S39C) and c-rasH(S39C) demonstrated that the encoded p21ras proteins were stable and bound guanine nucleotides in vivo at permissive and nonpermissive temperatures. Guanine Nucleotides 146-165 asparaginase and isoaspartyl peptidase 1 Homo sapiens 65-71 2038322-5 1991 Biochemical analysis of the proteins encoded by v-rasH(S39C) and c-rasH(S39C) demonstrated that the encoded p21ras proteins were stable and bound guanine nucleotides in vivo at permissive and nonpermissive temperatures. Guanine Nucleotides 146-165 HRas proto-oncogene, GTPase Homo sapiens 108-114 1675791-2 1991 Distinct subsets of neural, respiratory, gastrointestinal, and immune cells bear specific high-affinity receptors for VIP, which are associated with a guanine nucleotide-binding (G) protein capable of activating adenylate cyclase. Guanine Nucleotides 151-169 vasoactive intestinal peptide Homo sapiens 118-121 2013756-9 1991 These results demonstrate that phospholipase C hydrolysis of exogenous PI by rabbit cortical membranes may be stimulated by carbachol in a guanine nucleotide-dependent manner. Guanine Nucleotides 139-157 LOC100009319 Oryctolagus cuniculus 31-46 1903516-1 1991 More than thirty small guanine nucleotide-binding proteins related to the ras-encoded oncoprotein, termed Ras or p21ras, are known. Guanine Nucleotides 23-41 HRas proto-oncogene, GTPase Homo sapiens 113-119 1645526-0 1991 Bradykinin recognizes different molecular forms of the B2 kinin receptor in the presence and absence of guanine nucleotides. Guanine Nucleotides 104-123 kininogen 1 Bos taurus 0-10 1645519-8 1991 A role for G-proteins in TCR coupling to PLC was further supported by the inhibition of TCR-induced InsPL hydrolysis by guanosine 5"-[beta-thio]diphosphate (GDP beta S), a guanine nucleotide analogue that inhibits G-protein function. Guanine Nucleotides 172-190 T cell receptor alpha variable 6-3 Mus musculus 25-28 1645519-8 1991 A role for G-proteins in TCR coupling to PLC was further supported by the inhibition of TCR-induced InsPL hydrolysis by guanosine 5"-[beta-thio]diphosphate (GDP beta S), a guanine nucleotide analogue that inhibits G-protein function. Guanine Nucleotides 172-190 T cell receptor alpha variable 6-3 Mus musculus 88-91 2022184-3 1991 In cells expressing elevated levels of insulin receptor, this process involves a rapid increase in p21rasGTP levels (from 20% to 70% GTP as a percentage of total guanine nucleotides). Guanine Nucleotides 162-181 insulin receptor Homo sapiens 39-55 2026171-3 1991 In contrast to amino-terminal fragments, those derived from the carboxy-terminal part of EF-1 beta were still active in enhancing the guanine nucleotide exchange of GDP bound to EF-1 alpha. Guanine Nucleotides 134-152 eukaryotic translation elongation factor 1 beta 2 Homo sapiens 89-98 2017169-0 1991 The CDC25 protein of Saccharomyces cerevisiae promotes exchange of guanine nucleotides bound to ras. Guanine Nucleotides 67-86 Ras family guanine nucleotide exchange factor CDC25 Saccharomyces cerevisiae S288C 4-9 2017169-2 1991 In this report, we provide an identification of Cdc25p, the product of the CDC25 gene, and evidence that it promotes exchange of guanine nucleotides bound to Ras in vitro. Guanine Nucleotides 129-148 Ras family guanine nucleotide exchange factor CDC25 Saccharomyces cerevisiae S288C 48-54 1656397-3 1991 Pretreatment with pertussis toxin (2 micrograms and 5 micrograms) IC prevented the reduction of forskolin-stimulated cAMP levels elicited by NPY in the medulla oblongata, suggesting that NPY is acting through an inhibitory guanine nucleotide binding protein to reduce cAMP accumulation. Guanine Nucleotides 223-241 neuropeptide Y Rattus norvegicus 187-190 1655489-3 1991 In membranes obtained from differentiated HL-60 cells, guanine nucleotides stimulate the formation of IP2 and IP3. Guanine Nucleotides 55-74 inhibitor of nuclear factor kappa B kinase regulatory subunit gamma Homo sapiens 102-105 1655491-0 1991 Modulation of affinity and density of LTB4 receptors on guinea pig lung membranes by divalent cations and guanine nucleotides. Guanine Nucleotides 106-125 prostaglandin reductase 1 Cavia porcellus 38-42 1655491-1 1991 We investigated the mechanism by which guanine nucleotides and divalent cations modulate the affinity and apparent density of high-affinity receptors for Leukotriene B4 (LTB4) on guinea pig lung membranes (GPLM). Guanine Nucleotides 39-58 prostaglandin reductase 1 Cavia porcellus 154-168 1655491-1 1991 We investigated the mechanism by which guanine nucleotides and divalent cations modulate the affinity and apparent density of high-affinity receptors for Leukotriene B4 (LTB4) on guinea pig lung membranes (GPLM). Guanine Nucleotides 39-58 prostaglandin reductase 1 Cavia porcellus 170-174 1655491-5 1991 In the same experiments, the the guanine nucleotide analog GppNHp also reduced the affinity for LTB4 and U75302, similar to that observed with EDTA, suggesting that removal (Mg2+), or addition (GppNHp), of allosteric modulators of G-protein(s), causes reduction in receptor affinity. Guanine Nucleotides 33-51 prostaglandin reductase 1 Cavia porcellus 96-100 2026171-3 1991 In contrast to amino-terminal fragments, those derived from the carboxy-terminal part of EF-1 beta were still active in enhancing the guanine nucleotide exchange of GDP bound to EF-1 alpha. Guanine Nucleotides 134-152 eukaryotic translation elongation factor 1 alpha 2 Homo sapiens 178-188 1909667-0 1991 Mutations in Gs alpha that alter the kinetics of guanine nucleotide binding and hydrolysis. Guanine Nucleotides 49-67 GNAS complex locus Homo sapiens 13-21 1707917-7 1991 Finally, cholera toxin, which irreversibly activates the stimulatory guanine nucleotide-binding protein linked to adenylyl cyclase, strongly inhibited the release of EDN from IgG- or sIgA-stimulated eosinophils. Guanine Nucleotides 69-87 ribonuclease A family member 2 Homo sapiens 166-169 1849366-9 1991 To explore a potential role for G proteins, we examined the effect of guanine nucleotide analogues on ANP-stimulated IP3 production in saponin-permeabilized cells. Guanine Nucleotides 70-88 natriuretic peptide A Rattus norvegicus 102-105 1899485-4 1991 Further, the binding of C5a retained its sensitivity to guanine nucleotides, implying that the purified receptor contained a guanine nucleotide-binding protein (G protein). Guanine Nucleotides 56-75 complement C5a receptor 1 Homo sapiens 24-27 1849486-5 1991 The intensity of the radiolabelled protein band was reduced when the incubation with 125I-labelled GLP-I(7-36)amide was carried out in the presence of guanine nucleotides suggesting that the GLP-I(7-36)amide receptor is coupled to the adenylate cyclase system. Guanine Nucleotides 151-170 granzyme B Rattus norvegicus 99-104 1849486-5 1991 The intensity of the radiolabelled protein band was reduced when the incubation with 125I-labelled GLP-I(7-36)amide was carried out in the presence of guanine nucleotides suggesting that the GLP-I(7-36)amide receptor is coupled to the adenylate cyclase system. Guanine Nucleotides 151-170 granzyme B Rattus norvegicus 191-196 1899283-1 1991 Go alpha, (gene symbol GNA01), a member of the signal-transducing guanine nucleotide-binding (G) protein family, has been implicated in ion channel regulation. Guanine Nucleotides 66-84 tripartite motif containing 47 Homo sapiens 0-8 1850120-5 1991 PI turnover was found to be inhibitable by 1 microM phorbol dibutyrate but not by 1 microgram/ml pertussis toxin, suggesting that the ET-1-mediated response is regulated by protein kinase C and a pertussis toxin-insensitive guanine nucleotide (GTP) binding protein. Guanine Nucleotides 224-242 endothelin 1 Rattus norvegicus 134-138 1899485-4 1991 Further, the binding of C5a retained its sensitivity to guanine nucleotides, implying that the purified receptor contained a guanine nucleotide-binding protein (G protein). Guanine Nucleotides 56-74 complement C5a receptor 1 Homo sapiens 24-27 1648497-1 1991 Treatment of cultured rat cardiomyocytes in serum-free medium for 48 h with recombinant human tumor necrosis factor alpha (TNF alpha) led to a concentration-dependent increase in the level of membrane-inhibitory guanine nucleotide-binding protein (Gi) alpha-subunits and in pertussis toxin-catalyzed [32P]ADP ribosylation of 40 kDa proteins. Guanine Nucleotides 212-230 tumor necrosis factor Homo sapiens 94-121 1648497-1 1991 Treatment of cultured rat cardiomyocytes in serum-free medium for 48 h with recombinant human tumor necrosis factor alpha (TNF alpha) led to a concentration-dependent increase in the level of membrane-inhibitory guanine nucleotide-binding protein (Gi) alpha-subunits and in pertussis toxin-catalyzed [32P]ADP ribosylation of 40 kDa proteins. Guanine Nucleotides 212-230 tumor necrosis factor Homo sapiens 123-132 1719900-0 1991 The effect of substance P on guanine nucleotide--activated striatal adenylate cyclase. Guanine Nucleotides 29-47 tachykinin precursor 1 Homo sapiens 14-25 1906007-2 1991 The ADP ribosylation of 40-41 kDa proteins of the membranes of rat cardiac ventricular cells by IAP was reduced by the addition of a nonhydrolyzable analog of guanine nucleotide, GTP gamma S, indicating that these proteins included Gi protein. Guanine Nucleotides 159-177 Cd47 molecule Rattus norvegicus 96-99 1725042-3 1991 As well as glucose uptake, insulin has important effects on other aspects of cell function; for example, the hormone is an important regulator of the expression and function of the major inhibitory guanine nucleotide binding protein Gi. Guanine Nucleotides 198-216 insulin Homo sapiens 27-34 2049873-11 1991 Also, unlike the cAMP receptor, the phosphorylation of p36 was found to be regulated by the addition of guanine nucleotides. Guanine Nucleotides 104-123 annexin A2 Homo sapiens 55-58 2174426-6 1990 Furthermore, C3-catalyzed ADP-ribosylation of rhoA* was dependent on guanine nucleotides in the presence of 1 mM Mg2+ or 1 mM EDTA (0.19 microM free Mg2+). Guanine Nucleotides 69-88 ras homolog family member A Bos taurus 46-51 1679343-3 1991 However, in contrast to the guanine nucleotides, vanadate does not induce dissociation of the D2 dopamine receptor from its related G proteins, suggesting that vanadate and guanine nucleotides may exert their effect on the D2 dopamine receptor via different mechanisms. Guanine Nucleotides 173-192 dopamine receptor D2 Homo sapiens 223-243 1704119-4 1991 The YL8 gene could encode a guanine nucleotide binding protein of 216 amino acids with about 70% amino acid sequence identity to S. pombe YPT3, and is transcriptionally active in a variety of human cell lines. Guanine Nucleotides 28-46 RAB11A, member RAS oncogene family Homo sapiens 4-7 2085668-1 1990 The specific binding of vasoactive intestinal peptide (VIP) to bovine thyroid plasma membranes is inhibited by guanine nucleotides. Guanine Nucleotides 111-130 vasoactive intestinal peptide Bos taurus 55-58 2173904-1 1990 The gamma-subunit of retinal rod-outer-segment phosphodiesterase (PDE-gamma) is a multifunctional protein which interacts directly with both of the catalytic subunits of PDE (PDE alpha/beta) and the alpha-subunit of the retinal G (guanine-nucleotide-binding)-protein transducin alpha (T alpha). Guanine Nucleotides 231-249 phosphodiesterase 6B Homo sapiens 175-190 2265214-8 1990 It is concluded that the loss of vasopressin and angiotensin II responses in cultured liver cells is due in part to changes in receptors and also in their coupling to a guanine nucleotide binding protein. Guanine Nucleotides 169-187 arginine vasopressin Rattus norvegicus 33-63 2122974-0 1990 Modulation of guanine nucleotides bound to Ras in NIH3T3 cells by oncogenes, growth factors, and the GTPase activating protein (GAP). Guanine Nucleotides 14-33 RAS p21 protein activator 1 Mus musculus 101-126 2122974-0 1990 Modulation of guanine nucleotides bound to Ras in NIH3T3 cells by oncogenes, growth factors, and the GTPase activating protein (GAP). Guanine Nucleotides 14-33 RAS p21 protein activator 1 Mus musculus 128-131 2170531-4 1990 In the present study we have investigated the effect of preincubation with GM-CSF and TNF-alpha on the oxidative burst induced by sodium fluoride and guanosine 5"-O-(3-thiotriphosphate) (GTP gamma S)-agents which directly activate guanine-nucleotide binding proteins in neutrophils. Guanine Nucleotides 231-249 colony stimulating factor 2 Homo sapiens 75-81 1978729-3 1990 These actions of ANF and C-ANF were blocked by 12-18 h pretreatment with PTX (100 ng/ml), suggesting ANF receptor coupling to adenylate cyclase via an inhibitory guanine nucleotide-binding protein. Guanine Nucleotides 162-180 natriuretic peptide A Rattus norvegicus 17-20 1978729-3 1990 These actions of ANF and C-ANF were blocked by 12-18 h pretreatment with PTX (100 ng/ml), suggesting ANF receptor coupling to adenylate cyclase via an inhibitory guanine nucleotide-binding protein. Guanine Nucleotides 162-180 natriuretic peptide A Rattus norvegicus 27-30 1978729-3 1990 These actions of ANF and C-ANF were blocked by 12-18 h pretreatment with PTX (100 ng/ml), suggesting ANF receptor coupling to adenylate cyclase via an inhibitory guanine nucleotide-binding protein. Guanine Nucleotides 162-180 natriuretic peptide A Rattus norvegicus 27-30 2174167-1 1990 Using a strategy based on nucleotide sequence homology between genes encoding receptors that interact with guanine nucleotide-binding proteins, we have isolated Drosophila genomic and cDNA clones encoding a functional serotonin receptor (5HT-dro receptor). Guanine Nucleotides 107-125 5-hydroxytryptamine (serotonin) receptor 7 Drosophila melanogaster 218-236 2125480-0 1990 Purified internal G-domain of translational initiation factor IF-2 displays guanine nucleotide binding properties. Guanine Nucleotides 76-94 eukaryotic translation initiation factor 5B Homo sapiens 62-66 2172971-1 1990 We have previously identified a membrane factor capable of stimulating guanine nucleotide exchange activity for ras p21 proteins. Guanine Nucleotides 71-89 ras homolog family member A Bos taurus 116-119 2272361-0 1990 The anti-aggressive drug eltoprazine preferentially binds to 5-HT1A and 5-HT1B receptor subtypes in rat brain: sensitivity to guanine nucleotides. Guanine Nucleotides 126-145 5-hydroxytryptamine receptor 1A Rattus norvegicus 61-78 2118909-3 1990 smg p21 GDS1 and -2 also stimulated the binding of [35S]GTP gamma S to the GDP-bound form of smg p21s but not that to the guanine nucleotide-free form. Guanine Nucleotides 122-140 ras homolog family member A Bos taurus 4-7 2120590-1 1990 Cellular ras genes encode a family of membrane-associated proteins (p21ras) that bind guanine nucleotide and possess a low intrinsic GTPase activity. Guanine Nucleotides 86-104 HRas proto-oncogene, GTPase Homo sapiens 68-74 2144893-2 1990 The predicted amino acid sequence includes a guanine nucleotide-binding domain that is homologous with those of a family of antiviral factors, inducible by interferon and known as Mx proteins, and with the product of the essential yeast vacuolar protein sorting gene VPS1. Guanine Nucleotides 45-63 dynamin-like GTPase VPS1 Saccharomyces cerevisiae S288C 267-271 2169434-0 1990 The alpha 2B adrenergic receptor of undifferentiated neuroblastoma x glioma hybrid NG108-15 cells, interacts directly with the guanine nucleotide binding protein, Gi2. Guanine Nucleotides 127-145 adrenergic receptor, alpha 2b Mus musculus 4-32 2175850-0 1990 Determination of guanine nucleotide sensitivity of [125-I]-neuropeptide Y binding in the rat pituitary gland by quantitative autoradiography. Guanine Nucleotides 17-35 neuropeptide Y Rattus norvegicus 59-73 2175850-3 1990 Increasing concentrations of guanine nucleotide analogues and peptide YY inhibited neuropeptide Y binding. Guanine Nucleotides 29-47 neuropeptide Y Rattus norvegicus 83-97 2175200-4 1990 Membranes from cells expressing large amounts of ras-p21 exhibit small differences in guanine nucleotide induced polyphosphoinositide quantities. Guanine Nucleotides 86-104 HRas proto-oncogene, GTPase Canis lupus familiaris 49-56 2118351-0 1990 Modulation of guanine nucleotide effects on the insulin receptor by MgCl2. Guanine Nucleotides 14-32 insulin receptor Rattus norvegicus 48-64 1698055-9 1990 In crude WB lysates, angiotensin II, [Arg8]vasopressin and adrenaline each stimulated inositol phosphate formation in a guanine-nucleotide-dependent manner. Guanine Nucleotides 120-138 angiotensinogen Rattus norvegicus 21-35 2167151-6 1990 These results demonstrate that in these cell types [Tyr4]-bombesin activates phospholipase C in conjunction with guanine nucleotides. Guanine Nucleotides 113-132 gastrin releasing peptide Homo sapiens 58-66 2207149-2 1990 EF-1 beta catalyzes the exchange of guanine nucleotides bound to EF-1 alpha; the latter protein is the eukaryotic equivalent of bacterial EF-Tu. Guanine Nucleotides 36-55 eukaryotic translation elongation factor 1 beta 2 Homo sapiens 0-9 2207149-2 1990 EF-1 beta catalyzes the exchange of guanine nucleotides bound to EF-1 alpha; the latter protein is the eukaryotic equivalent of bacterial EF-Tu. Guanine Nucleotides 36-55 eukaryotic translation elongation factor 1 alpha 2 Homo sapiens 65-75 2207149-2 1990 EF-1 beta catalyzes the exchange of guanine nucleotides bound to EF-1 alpha; the latter protein is the eukaryotic equivalent of bacterial EF-Tu. Guanine Nucleotides 36-55 eukaryotic translation elongation factor 1 alpha 1 Homo sapiens 138-143 2199064-1 1990 The X-ray structures of the guanine nucleotide binding domains (amino acids 1-166) of five mutants of the H-ras oncogene product p21 were determined. Guanine Nucleotides 28-46 HRas proto-oncogene, GTPase Homo sapiens 106-111 2199064-1 1990 The X-ray structures of the guanine nucleotide binding domains (amino acids 1-166) of five mutants of the H-ras oncogene product p21 were determined. Guanine Nucleotides 28-46 H3 histone pseudogene 16 Homo sapiens 129-132 2123407-2 1990 In the current study using glass beads to permeabilize [3H]- or [14C]-arachidonate labelled mesangial cells we demonstrate that guanine nucleotides modulate the EGF-mediated stimulation of arachidonic acid release (75% inhibition with 100 microM GDP beta S and 108% augmentation with 100 microM GTP gamma S). Guanine Nucleotides 128-147 epidermal growth factor like 1 Rattus norvegicus 161-164 2196438-1 1990 The adenylate cyclase system of the yeast Saccharomyces cerevisiae contains the CYR1 polypeptide, responsible for catalyzing formation of cyclic AMP (cAMP) from ATP, and two RAS polypeptides, which mediate stimulation of cAMP synthesis of guanine nucleotides. Guanine Nucleotides 239-258 adenylate cyclase Saccharomyces cerevisiae S288C 4-21 2199438-8 1990 Photolabeling was inhibited in a concentration-dependent manner by ATP and ADP analogs with a potency order characteristic for a P2Y-purinergic receptor and was modulated by guanine nucleotides. Guanine Nucleotides 174-193 P2Y purinoceptor 1 Meleagris gallopavo 129-152 2196438-1 1990 The adenylate cyclase system of the yeast Saccharomyces cerevisiae contains the CYR1 polypeptide, responsible for catalyzing formation of cyclic AMP (cAMP) from ATP, and two RAS polypeptides, which mediate stimulation of cAMP synthesis of guanine nucleotides. Guanine Nucleotides 239-258 adenylate cyclase Saccharomyces cerevisiae S288C 80-84 2116014-2 1990 A protein that stimulates the rate of exchange of guanine nucleotide on p21ras has been identified and characterized in cytoplasmic extracts of human placenta. Guanine Nucleotides 50-68 HRas proto-oncogene, GTPase Homo sapiens 72-78 2198577-3 1990 In the study reported here, we measured the amounts of p21-bound guanine nucleotides under various conditions in the G54 cell line, a derivative of Swiss 3T3 cells that overexpresses normal c-Ha-ras. Guanine Nucleotides 65-84 transcription elongation factor A (SII)-like 1 Mus musculus 55-58 2121270-4 1990 High-affinity guanine nucleotide binding is associated with a polypeptide migrating identically with H-ras on SDS-PAGE. Guanine Nucleotides 14-32 HRas proto-oncogene, GTPase Homo sapiens 101-106 2117444-0 1990 Stimulation of Ca2(+)-independent catecholamine secretion from digitonin-permeabilized bovine adrenal chromaffin cells by guanine nucleotide analogues. Guanine Nucleotides 122-140 carbonic anhydrase 2 Bos taurus 15-18 2164571-1 1990 We identified receptors for neuropeptide Y (NPY) on an established human neuroblastoma cell line, SK-N-MC, which are functionally coupled to adenylate cyclase through the inhibitory guanine nucleotide-binding protein of adenylate cyclase, Gi. Guanine Nucleotides 182-200 neuropeptide Y Homo sapiens 28-42 2164571-1 1990 We identified receptors for neuropeptide Y (NPY) on an established human neuroblastoma cell line, SK-N-MC, which are functionally coupled to adenylate cyclase through the inhibitory guanine nucleotide-binding protein of adenylate cyclase, Gi. Guanine Nucleotides 182-200 neuropeptide Y Homo sapiens 44-47 2163902-5 1990 Guanine nucleotides (GTP-gamma-S, GDP-beta-S) decreased the binding of 125I-labelled GLP-1(7-36)amide to rat lung membranes as was found for GLP-1(7-36)amide receptors in RINm5F cells which were also shown to be coupled to the adenylate cyclase system. Guanine Nucleotides 0-19 glucagon Rattus norvegicus 85-90 2163902-5 1990 Guanine nucleotides (GTP-gamma-S, GDP-beta-S) decreased the binding of 125I-labelled GLP-1(7-36)amide to rat lung membranes as was found for GLP-1(7-36)amide receptors in RINm5F cells which were also shown to be coupled to the adenylate cyclase system. Guanine Nucleotides 0-19 glucagon Rattus norvegicus 141-146 2196883-4 1990 In contrast, multiple conformations, including syn and anti species, are required to fit the interproton distances measured on the enzyme-bound guanine nucleotide substrates Mg2+dGTP and Mg2+ddGTP. Guanine Nucleotides 144-162 synemin Homo sapiens 47-50 2165355-7 1990 In vitro studies on isolated collecting tubules from rats and rabbits (none from dogs) have shown that alpha 2-agonists inhibit vasopressin-induced adenosine 3",5"-cyclic monophosphate formation and that this effect is mediated by the inhibitory guanine nucleotide regulatory protein and abolished by pertussis toxin treatment. Guanine Nucleotides 246-264 arginine vasopressin Rattus norvegicus 128-139 2172937-5 1990 The guanine nucleotide, GTP-gamma-S, decreased the specific binding of VIP by 60-80% in 3-week and older animals, but not in younger animals. Guanine Nucleotides 4-22 vasoactive intestinal peptide Rattus norvegicus 71-74 2111819-0 1990 Binding and hydrolysis of guanine nucleotides by Sec4p, a yeast protein involved in the regulation of vesicular traffic. Guanine Nucleotides 26-45 Rab family GTPase SEC4 Saccharomyces cerevisiae S288C 49-54 2111820-2 1990 This regulatory protein, designated here as GDP dissociation inhibitor (GDI) for the rho proteins (rho GDI), inhibited the dissociation of GDP from rhoB p20 and the binding of guanosine 5"-(3-O-thio)triphosphate (GTP gamma S) to the GDP-bound form of rhoB p20 but not of that to the guanine nucleotide-free form. Guanine Nucleotides 283-301 ras homolog family member B Bos taurus 148-152 2111820-2 1990 This regulatory protein, designated here as GDP dissociation inhibitor (GDI) for the rho proteins (rho GDI), inhibited the dissociation of GDP from rhoB p20 and the binding of guanosine 5"-(3-O-thio)triphosphate (GTP gamma S) to the GDP-bound form of rhoB p20 but not of that to the guanine nucleotide-free form. Guanine Nucleotides 283-301 heat shock protein family B (small) member 6 Rattus norvegicus 153-156 2111820-2 1990 This regulatory protein, designated here as GDP dissociation inhibitor (GDI) for the rho proteins (rho GDI), inhibited the dissociation of GDP from rhoB p20 and the binding of guanosine 5"-(3-O-thio)triphosphate (GTP gamma S) to the GDP-bound form of rhoB p20 but not of that to the guanine nucleotide-free form. Guanine Nucleotides 283-301 ras homolog family member B Bos taurus 251-255 2111820-2 1990 This regulatory protein, designated here as GDP dissociation inhibitor (GDI) for the rho proteins (rho GDI), inhibited the dissociation of GDP from rhoB p20 and the binding of guanosine 5"-(3-O-thio)triphosphate (GTP gamma S) to the GDP-bound form of rhoB p20 but not of that to the guanine nucleotide-free form. Guanine Nucleotides 283-301 heat shock protein family B (small) member 6 Rattus norvegicus 256-259 2163013-3 1990 These actions of bradykinin are mediated by a receptor(s) coupled to pertussis toxin-insensitive guanine nucleotide-binding proteins. Guanine Nucleotides 97-115 bradykinin receptor B2 S homeolog Xenopus laevis 17-27 2161838-2 1990 We have examined the binding of [3H]bradykinin to bovine myometrial membranes and assessed its sensitivity to guanine nucleotides. Guanine Nucleotides 110-129 kininogen 1 Bos taurus 36-46 2116165-1 1990 Go, a guanine nucleotide binding protein found predominantly in neural tissues, interacts in vitro with rhodopsin, muscarinic, and other receptors and has been implicated in the regulation of ion channels. Guanine Nucleotides 6-24 rhodopsin Bos taurus 104-113 2188088-5 1990 The stimulation of p38 phosphorylation by glucagon was guanine nucleotide dependent. Guanine Nucleotides 55-73 mitogen activated protein kinase 14 Rattus norvegicus 19-22 1694683-5 1990 Although no guanine was detected as a product from any of the substrates studied, the ability of MnTMPP + KHSO5 to degrade guanine nucleotides was verified by the destruction of pGp, and by the appearance of bands corresponding to guanosine cleavage following treatment of 32P end labeled DNA restriction fragments with activated MnTMPP. Guanine Nucleotides 123-142 phosphoglycolate phosphatase Homo sapiens 178-181 2159234-3 1990 Specific 125I-NPY binding was decreased in a concentration-dependent manner by inclusion of guanine nucleotides in the incubation medium. Guanine Nucleotides 92-111 neuropeptide Y Homo sapiens 14-17 2158423-3 1990 A decrease in PTH receptor affinity seen in the presence of guanine nucleotides demonstrated that PTH receptors on the UMR-106 cells are coupled to guanyl nucleotide-binding proteins. Guanine Nucleotides 60-79 parathyroid hormone Rattus norvegicus 14-17 2158423-3 1990 A decrease in PTH receptor affinity seen in the presence of guanine nucleotides demonstrated that PTH receptors on the UMR-106 cells are coupled to guanyl nucleotide-binding proteins. Guanine Nucleotides 60-79 parathyroid hormone Rattus norvegicus 98-101 1694777-0 1990 Histamine H3 receptor binding sites in rat brain membranes: modulations by guanine nucleotides and divalent cations. Guanine Nucleotides 75-94 histamine receptor H3 Rattus norvegicus 0-21 2157708-1 1990 Mutation of Pro82 into Thr, a residue situated in the second element (D80CPG83) of the consensus sequence proposed to interact with GTP/GDP in GTP-binding proteins was introduced via site-directed mutagenesis in the isolated guanine nucleotide-binding domain (G domain) of elongation factor Tu. Guanine Nucleotides 225-243 eukaryotic translation elongation factor 1 alpha 1 Homo sapiens 273-293 2187531-0 1990 Guanine nucleotide binding characteristics of transducin: essential role of rhodopsin for rapid exchange of guanine nucleotides. Guanine Nucleotides 0-18 rhodopsin Bos taurus 76-85 2166281-6 1990 [125I]VIP binding was effectively inhibited by the addition of guanine nucleotides. Guanine Nucleotides 63-82 vasoactive intestinal peptide Rattus norvegicus 6-9 2166281-8 1990 These results directly suggest the coupling of VIP receptors with guanine nucleotide binding proteins in the anterior pituitary gland. Guanine Nucleotides 66-84 vasoactive intestinal peptide Rattus norvegicus 47-50 2187531-0 1990 Guanine nucleotide binding characteristics of transducin: essential role of rhodopsin for rapid exchange of guanine nucleotides. Guanine Nucleotides 108-127 rhodopsin Bos taurus 76-85 2187531-2 1990 Light-activated rhodopsin is known to catalyze GN exchange on Gt, resulting in the formation of the active state of the Gt alpha-GTP complex. Guanine Nucleotides 47-49 rhodopsin Bos taurus 16-25 2187531-7 1990 GN-binding activity of Gt-I preparations was dependent on reaction temperature, and no binding was observed at 4 degrees C. In the presence of 10 microM bleached rhodopsin, Gt-I preparations bound GTP gamma S at 4 degrees C. However, hexylagarose chromatography of Gt-I preparations led to a preparation of Gt that showed less than 0.1 mol/mol binding activity following 60-min incubation at 30 degrees C in the absence of rhodopsin (Gt-II preparations). Guanine Nucleotides 0-2 rhodopsin Bos taurus 162-171 2157494-0 1990 Binding of periodate-oxidized guanine nucleotides to eukaryotic elongation factor 2. Guanine Nucleotides 30-49 eukaryotic translation elongation factor 2 Rattus norvegicus 64-83 2108160-0 1990 Guanine nucleotide binding properties of the mammalian RalA protein produced in Escherichia coli. Guanine Nucleotides 0-18 RAS like proto-oncogene A Homo sapiens 55-59 2110451-0 1990 Guanine nucleotide binding properties of rap1 purified from human neutrophils. Guanine Nucleotides 0-18 RAP1A, member of RAS oncogene family Homo sapiens 41-45 2110451-1 1990 The guanine nucleotide binding properties of rap1 protein purified from human neutrophils were examined using both the protein kinase A-phosphorylated and the non-phosphorylated forms of the protein. Guanine Nucleotides 4-22 RAP1A, member of RAS oncogene family Homo sapiens 45-49 2110451-3 1990 The binding of guanine nucleotides was found to correlate with the loss of endogenous nucleotide from the rap1 protein, which was rapid in the absence of Mg2+. Guanine Nucleotides 15-34 RAP1A, member of RAS oncogene family Homo sapiens 106-110 2157494-1 1990 Periodate-oxidized guanine nucleotides (GTPox and GDPox) were shown to bind stoichiometrically to rat liver elongation factor 2 (EF-2). Guanine Nucleotides 19-38 eukaryotic translation elongation factor 2 Rattus norvegicus 108-127 2157494-1 1990 Periodate-oxidized guanine nucleotides (GTPox and GDPox) were shown to bind stoichiometrically to rat liver elongation factor 2 (EF-2). Guanine Nucleotides 19-38 eukaryotic translation elongation factor 2 Rattus norvegicus 129-133 2157494-6 1990 Thus, a Schiff"s base was implicated to be formed between EF-2 and oxidized guanine nucleotides. Guanine Nucleotides 76-95 eukaryotic translation elongation factor 2 Rattus norvegicus 58-62 2157494-13 1990 The nature of the binding site involved in the direct interactions of EF-2 with guanine nucleotides is discussed in the light of these results. Guanine Nucleotides 80-99 eukaryotic translation elongation factor 2 Rattus norvegicus 70-74 2156675-3 1990 Binding of VIP was reversible, saturable to receptor and radioligand, regulated by guanine nucleotides, and dependent on time and temperature. Guanine Nucleotides 83-102 vasoactive intestinal peptide Rattus norvegicus 11-14 2187889-1 1990 The adenylyl cyclase system of the yeast Saccharomyces cerevisiae contains the CYR1 polypeptide, responsible for catalyzing formation of cAMP from ATP, and two RAS polypeptides, responsible for stimulation of cAMP synthesis by guanine nucleotides. Guanine Nucleotides 227-246 adenylate cyclase Saccharomyces cerevisiae S288C 79-83 2187889-5 1990 Treatment with trypsin (2 micrograms/ml) reduced the size of the CYR1 protein from 205 to 155 kDa and produced an activated enzyme which no longer responded to guanine nucleotides. Guanine Nucleotides 160-179 adenylate cyclase Saccharomyces cerevisiae S288C 65-69 2107258-2 1990 We have been able to demonstrate that the phosphatidyl inositol specific phospholipase C (PI-PLC) can be activated in permeabilized B cells from the first group by direct stimulation, with GPT gamma S, of a guanine nucleotide binding (G) protein. Guanine Nucleotides 207-225 phospholipase C beta 1 Homo sapiens 42-88 2107258-2 1990 We have been able to demonstrate that the phosphatidyl inositol specific phospholipase C (PI-PLC) can be activated in permeabilized B cells from the first group by direct stimulation, with GPT gamma S, of a guanine nucleotide binding (G) protein. Guanine Nucleotides 207-225 phospholipase C beta 1 Homo sapiens 90-96 2154328-13 1990 Supportive measures have to be considered to inhibit the highly active salvage enzyme hypoxanthine-guanine phosphoribosyltransferase that can partly antagonize a tiazofurin induced decrease in guanine nucleotides. Guanine Nucleotides 193-212 hypoxanthine phosphoribosyltransferase 1 Homo sapiens 86-132 2180382-1 1990 The ras oncogene product, ras p21, is structurally homologous to guanine nucleotide-binding proteins, which play an important role in transmembrane signaling systems. Guanine Nucleotides 65-83 H3 histone pseudogene 16 Homo sapiens 30-33 2153757-0 1990 Regulation of muscarinic agonist-induced activation of phosphoinositidase C in electrically permeabilized SH-SY5Y human neuroblastoma cells by guanine nucleotides. Guanine Nucleotides 143-162 phospholipase C beta 1 Homo sapiens 55-75 2154750-1 1990 The adrenergic receptors (ARs) (subtypes alpha 1, alpha 2, beta 1, and beta 2) are a prototypic family of guanine nucleotide binding regulatory protein-coupled receptors that mediate the physiological effects of the hormone epinephrine and the neurotransmitter norepinephrine. Guanine Nucleotides 106-124 adrenoceptor alpha 1D Homo sapiens 41-77 2136995-1 1990 Previous investigations (El Mestikawy et al., J Neurochem 51: 1031-1040, 1988) have shown that 5-HT1A binding sites (R[5-HT1A]) solubilized by CHAPS from rat hippocampal membranes can be modulated by guanine nucleotides, as expected from their solubilization together with associated G regulatory proteins (G). Guanine Nucleotides 200-219 5-hydroxytryptamine receptor 1A Rattus norvegicus 95-101 2136995-1 1990 Previous investigations (El Mestikawy et al., J Neurochem 51: 1031-1040, 1988) have shown that 5-HT1A binding sites (R[5-HT1A]) solubilized by CHAPS from rat hippocampal membranes can be modulated by guanine nucleotides, as expected from their solubilization together with associated G regulatory proteins (G). Guanine Nucleotides 200-219 5-hydroxytryptamine receptor 1A Rattus norvegicus 119-125 2408068-3 1990 The second has been a study of the regulation of PKCa channels by guanine nucleotides. Guanine Nucleotides 66-85 protein kinase C alpha Bos taurus 49-53 2403524-1 1990 A factor with a molecular weight of 100 kDa, which markedly enhanced the guanine nucleotide exchange reaction of ras p21 proteins, was partially purified from bovine brain tissues. Guanine Nucleotides 73-91 cyclin dependent kinase inhibitor 1A Bos taurus 117-120 2154654-7 1990 These results clearly demonstrate that cations and guanine nucleotide can regulate the affinity states of the PAF receptor in human lung membranes. Guanine Nucleotides 51-69 platelet activating factor receptor Homo sapiens 110-122 33762326-4 2021 In this study, we show that the PP2A regulatory subunit PPP2R2A is increased in T cells from people with systemic lupus erythematosus and binds to, dephosphorylates, and activates the guanine nucleotide exchange factor GEF-H1 at Ser885, which in turn increases the levels of RhoA-GTP and the activity of ROCK in T cells. Guanine Nucleotides 184-202 protein phosphatase 2 phosphatase activator Homo sapiens 32-36 33768538-2 2021 Guanosine monophosphate synthetase (GMPS) acts in the de novo purine biosynthesis pathway, utilizing a glutamine amide to synthesize the guanine nucleotide. Guanine Nucleotides 137-155 guanine monophosphate synthase Homo sapiens 0-34 33768538-2 2021 Guanosine monophosphate synthetase (GMPS) acts in the de novo purine biosynthesis pathway, utilizing a glutamine amide to synthesize the guanine nucleotide. Guanine Nucleotides 137-155 guanine monophosphate synthase Homo sapiens 36-40 33762326-4 2021 In this study, we show that the PP2A regulatory subunit PPP2R2A is increased in T cells from people with systemic lupus erythematosus and binds to, dephosphorylates, and activates the guanine nucleotide exchange factor GEF-H1 at Ser885, which in turn increases the levels of RhoA-GTP and the activity of ROCK in T cells. Guanine Nucleotides 184-202 protein phosphatase 2 regulatory subunit Balpha Homo sapiens 56-63 33762326-4 2021 In this study, we show that the PP2A regulatory subunit PPP2R2A is increased in T cells from people with systemic lupus erythematosus and binds to, dephosphorylates, and activates the guanine nucleotide exchange factor GEF-H1 at Ser885, which in turn increases the levels of RhoA-GTP and the activity of ROCK in T cells. Guanine Nucleotides 184-202 Rho/Rac guanine nucleotide exchange factor 2 Homo sapiens 219-225 33762326-4 2021 In this study, we show that the PP2A regulatory subunit PPP2R2A is increased in T cells from people with systemic lupus erythematosus and binds to, dephosphorylates, and activates the guanine nucleotide exchange factor GEF-H1 at Ser885, which in turn increases the levels of RhoA-GTP and the activity of ROCK in T cells. Guanine Nucleotides 184-202 ras homolog family member A Homo sapiens 275-279 33803946-4 2021 In vascular smooth muscle cells, Rho-guanine nucleotide exchange factors and Rho determine sensitivity to vasoconstrictors such as angiotensin II (Ang II), and facilitate vasoconstriction via G-protein and Wnt pathways, leading to increased vascular resistance, including in the renal arteries, in salt-sensitive subjects with high salt intake. Guanine Nucleotides 37-55 angiotensinogen Homo sapiens 131-145 33803946-4 2021 In vascular smooth muscle cells, Rho-guanine nucleotide exchange factors and Rho determine sensitivity to vasoconstrictors such as angiotensin II (Ang II), and facilitate vasoconstriction via G-protein and Wnt pathways, leading to increased vascular resistance, including in the renal arteries, in salt-sensitive subjects with high salt intake. Guanine Nucleotides 37-55 angiotensinogen Homo sapiens 147-153 34689178-2 2022 The G12 subfamily contains two family members: Galpha12 and Galpha13 (encoded by the GNA12 and GNA13 genes, respectively) and, as with all G proteins, their activity is regulated by their ability to bind to guanine nucleotides. Guanine Nucleotides 207-226 G protein subunit alpha 12 Homo sapiens 47-55 32794754-7 2020 Likewise, a class of state in which structures adopted inappropriate combinations of syn/anti guanine nucleotides was found to greatly slow down the folding process. Guanine Nucleotides 94-113 synemin Homo sapiens 85-88 27001830-4 2016 The bud-site GTPase Rsr1p regulated the fMAPK pathway through Cdc24p, the guanine nucleotide exchange factor for the polarity establishment GTPase Cdc42p. Guanine Nucleotides 74-92 Ras family GTPase RSR1 Saccharomyces cerevisiae S288C 20-25 27001830-4 2016 The bud-site GTPase Rsr1p regulated the fMAPK pathway through Cdc24p, the guanine nucleotide exchange factor for the polarity establishment GTPase Cdc42p. Guanine Nucleotides 74-92 Rho family guanine nucleotide exchange factor CDC24 Saccharomyces cerevisiae S288C 62-68 27001830-4 2016 The bud-site GTPase Rsr1p regulated the fMAPK pathway through Cdc24p, the guanine nucleotide exchange factor for the polarity establishment GTPase Cdc42p. Guanine Nucleotides 74-92 Rho family GTPase CDC42 Saccharomyces cerevisiae S288C 147-153 34673127-7 2022 Mechanistically, circPFKP interacted with IMPDH2, promoted the biogenesis of guanine nucleotides. Guanine Nucleotides 77-96 inosine monophosphate dehydrogenase 2 Homo sapiens 42-48 34808208-0 2022 Gbetagamma mediates activation of Rho guanine nucleotide exchange factor ARHGEF17 which promotes metastatic lung cancer progression. Guanine Nucleotides 38-56 Rho guanine nucleotide exchange factor 17 Homo sapiens 73-81 34689178-2 2022 The G12 subfamily contains two family members: Galpha12 and Galpha13 (encoded by the GNA12 and GNA13 genes, respectively) and, as with all G proteins, their activity is regulated by their ability to bind to guanine nucleotides. Guanine Nucleotides 207-226 G protein subunit alpha 13 Homo sapiens 60-68 34689178-2 2022 The G12 subfamily contains two family members: Galpha12 and Galpha13 (encoded by the GNA12 and GNA13 genes, respectively) and, as with all G proteins, their activity is regulated by their ability to bind to guanine nucleotides. Guanine Nucleotides 207-226 G protein subunit alpha 12 Homo sapiens 85-90 34689178-2 2022 The G12 subfamily contains two family members: Galpha12 and Galpha13 (encoded by the GNA12 and GNA13 genes, respectively) and, as with all G proteins, their activity is regulated by their ability to bind to guanine nucleotides. Guanine Nucleotides 207-226 G protein subunit alpha 13 Homo sapiens 95-100 34968495-3 2022 Activation-deactivation of Rho G proteins is mediated by three classes of regulatory proteins, namely the guanine nucleotide exchange factors (GEFs), which facilitate the conversion of inactive G proteins to their active conformations; the GTPase-activating proteins (GAPs), which convert the active G proteins to their inactive forms); and the GDP-dissociation inhibitors (GDIs), which prevent the dissociation of GDP from G proteins. Guanine Nucleotides 106-124 ras homolog family member G Homo sapiens 27-32 34971397-6 2022 RESULTS: A homozygous splice site variant was identified in solute carrier family 25, member 36 (SLC25A36), encoding the pyrimidine nucleotide carrier 2 (PNC2), a mitochondrial nucleotide carrier that transports pyrimidine as well as guanine nucleotides across the inner mitochondrial membrane. Guanine Nucleotides 234-253 solute carrier family 25 member 36 Homo sapiens 60-95 34971397-6 2022 RESULTS: A homozygous splice site variant was identified in solute carrier family 25, member 36 (SLC25A36), encoding the pyrimidine nucleotide carrier 2 (PNC2), a mitochondrial nucleotide carrier that transports pyrimidine as well as guanine nucleotides across the inner mitochondrial membrane. Guanine Nucleotides 234-253 solute carrier family 25 member 36 Homo sapiens 97-105 34971397-6 2022 RESULTS: A homozygous splice site variant was identified in solute carrier family 25, member 36 (SLC25A36), encoding the pyrimidine nucleotide carrier 2 (PNC2), a mitochondrial nucleotide carrier that transports pyrimidine as well as guanine nucleotides across the inner mitochondrial membrane. Guanine Nucleotides 234-253 solute carrier family 25 member 36 Homo sapiens 121-152 34971397-6 2022 RESULTS: A homozygous splice site variant was identified in solute carrier family 25, member 36 (SLC25A36), encoding the pyrimidine nucleotide carrier 2 (PNC2), a mitochondrial nucleotide carrier that transports pyrimidine as well as guanine nucleotides across the inner mitochondrial membrane. Guanine Nucleotides 234-253 solute carrier family 25 member 36 Homo sapiens 154-158 34767786-8 2021 SIGNIFICANCE The beta2-adrenergic receptor (beta2 AR), which belongs to the vast family of Guanine nucleotide-binding protein coupled receptors (GPCRs), is a transmembrane protein that is activated by the catecholamines norepinephrine (noradrenaline) and epinephrine (adrenaline). Guanine Nucleotides 91-109 adrenoceptor beta 2 Homo sapiens 17-42 34767786-8 2021 SIGNIFICANCE The beta2-adrenergic receptor (beta2 AR), which belongs to the vast family of Guanine nucleotide-binding protein coupled receptors (GPCRs), is a transmembrane protein that is activated by the catecholamines norepinephrine (noradrenaline) and epinephrine (adrenaline). Guanine Nucleotides 91-109 adenosine A2a receptor Homo sapiens 44-52 34876589-1 2021 Various stressors such as viral infection lead to the suppression of cap-dependent translation and the activation of the integrated stress response (ISR), since the stress-induced phosphorylated eukaryotic translation initiation factor 2 (eIF2(alphaP)) tightly binds to eIF2B to prevent it from exchanging guanine nucleotide molecules on its substrate, unphosphorylated eIF2. Guanine Nucleotides 306-324 eukaryotic translation initiation factor 2 subunit alpha Homo sapiens 239-243 34897417-1 2021 Guanine nucleotide exchange factors (GEF) of the BRAG subfamily activate small Arf GTPases, which are pivotal regulators of intracellular membrane traffic and actin dynamics. Guanine Nucleotides 0-18 schizo Drosophila melanogaster 49-53 34877916-4 2021 Thus, targeting upstream activators of RhoG, such as guanine nucleotide exchange factors (GEFs), maybe an important strategy for inhibiting RhoG activation. Guanine Nucleotides 53-71 ras homolog family member G Homo sapiens 39-43 34877916-4 2021 Thus, targeting upstream activators of RhoG, such as guanine nucleotide exchange factors (GEFs), maybe an important strategy for inhibiting RhoG activation. Guanine Nucleotides 53-71 ras homolog family member G Homo sapiens 140-144 34876589-1 2021 Various stressors such as viral infection lead to the suppression of cap-dependent translation and the activation of the integrated stress response (ISR), since the stress-induced phosphorylated eukaryotic translation initiation factor 2 (eIF2(alphaP)) tightly binds to eIF2B to prevent it from exchanging guanine nucleotide molecules on its substrate, unphosphorylated eIF2. Guanine Nucleotides 306-324 eukaryotic translation initiation factor 2 subunit beta Homo sapiens 270-275 34305140-4 2021 IMPDH2 is the first and rate-limiting enzyme in the de novo biosynthesis of guanine nucleotides, a dopamine synthetic pathway previously linked to childhood or adolescence-onset dystonia disorders. Guanine Nucleotides 76-95 inosine monophosphate dehydrogenase 2 Homo sapiens 0-6 34725842-0 2021 The nucleoporin Nup50 activates the Ran guanine nucleotide exchange factor RCC1 to promote NPC assembly at the end of mitosis. Guanine Nucleotides 40-58 RAN, member RAS oncogene family S homeolog Xenopus laevis 36-39 34725842-0 2021 The nucleoporin Nup50 activates the Ran guanine nucleotide exchange factor RCC1 to promote NPC assembly at the end of mitosis. Guanine Nucleotides 40-58 regulator of chromosome condensation 1 L homeolog Xenopus laevis 75-79 34725842-6 2021 Instead, an N-terminal fragment of Nup50 can stimulate the Ran GTPase guanine nucleotide exchange factor RCC1 and NPC assembly, indicating that Nup50 acts via the Ran system in NPC reformation at the end of mitosis. Guanine Nucleotides 70-88 nucleoporin 50kDa S homeolog Xenopus laevis 35-40 34725842-6 2021 Instead, an N-terminal fragment of Nup50 can stimulate the Ran GTPase guanine nucleotide exchange factor RCC1 and NPC assembly, indicating that Nup50 acts via the Ran system in NPC reformation at the end of mitosis. Guanine Nucleotides 70-88 RAN, member RAS oncogene family S homeolog Xenopus laevis 59-62 34877508-0 2021 GTP binding to translation factor eIF2B stimulates its guanine nucleotide exchange activity. Guanine Nucleotides 55-73 eukaryotic translation initiation factor 2B subunit delta Homo sapiens 34-39 34796993-3 2022 The GDP to GTP exchange within EIF2 is facilitated by the guanine nucleotide exchange factor EIF2B (alpha-epsilon subunits). Guanine Nucleotides 58-76 eukaryotic translation initiation factor 2 subunit gamma Homo sapiens 31-35 34796993-3 2022 The GDP to GTP exchange within EIF2 is facilitated by the guanine nucleotide exchange factor EIF2B (alpha-epsilon subunits). Guanine Nucleotides 58-76 eukaryotic translation initiation factor 2B subunit epsilon Homo sapiens 93-98 34769272-2 2021 According to the classic G protein paradigm established in animal models, the bound guanine nucleotide on a Galpha subunit, either guanosine diphosphate (GDP) or guanosine triphosphate (GTP) determines the inactive or active mode, respectively. Guanine Nucleotides 84-102 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 108-114 34624316-0 2021 Identification of Rac guanine nucleotide exchange factors promoting Lgl1 phosphorylation in glioblastoma. Guanine Nucleotides 22-40 LLGL scribble cell polarity complex component 1 Homo sapiens 68-72 34624316-5 2021 We used CRISPR/Cas9 to knockout PREX1, a PI 3-kinase pathway-responsive Rac guanine nucleotide exchange factor, in patient-derived glioblastoma cells. Guanine Nucleotides 76-94 phosphatidylinositol-3,4,5-trisphosphate dependent Rac exchange factor 1 Homo sapiens 32-37 34624316-9 2021 This was due to overexpression of a short isoform of the Rac guanine nucleotide exchange factor TIAM1; knockdown of TIAM1 in these PREX1 knockout cells reduced Lgl1 phosphorylation. Guanine Nucleotides 61-79 TIAM Rac1 associated GEF 1 Homo sapiens 96-101 34657963-5 2021 HD-PTP depleted cells contain hyperphosphorylated Rabaptin-5, a cofactor for the Rab5 guanine nucleotide exchange factor, Rabex-5, though HD-PTP is unlikely to directly dephosphorylate Rabaptin-5. Guanine Nucleotides 86-104 protein tyrosine phosphatase non-receptor type 23 Homo sapiens 0-6 34657963-5 2021 HD-PTP depleted cells contain hyperphosphorylated Rabaptin-5, a cofactor for the Rab5 guanine nucleotide exchange factor, Rabex-5, though HD-PTP is unlikely to directly dephosphorylate Rabaptin-5. Guanine Nucleotides 86-104 rabaptin, RAB GTPase binding effector protein 1 Homo sapiens 50-60 34657963-5 2021 HD-PTP depleted cells contain hyperphosphorylated Rabaptin-5, a cofactor for the Rab5 guanine nucleotide exchange factor, Rabex-5, though HD-PTP is unlikely to directly dephosphorylate Rabaptin-5. Guanine Nucleotides 86-104 RAB5A, member RAS oncogene family Homo sapiens 81-85 34657963-5 2021 HD-PTP depleted cells contain hyperphosphorylated Rabaptin-5, a cofactor for the Rab5 guanine nucleotide exchange factor, Rabex-5, though HD-PTP is unlikely to directly dephosphorylate Rabaptin-5. Guanine Nucleotides 86-104 RAB guanine nucleotide exchange factor 1 Homo sapiens 122-129 9685263-2 1998 Here, two ER to Golgi v-SNAREs, Bet1p and Bos1p, were shown to interact specifically with Sar1p, Sec23p, and Sec24p, components of the COPII coat, in a guanine nucleotide-dependent fashion. Guanine Nucleotides 152-170 Bet1 golgi vesicular membrane trafficking protein Homo sapiens 32-37 9685263-2 1998 Here, two ER to Golgi v-SNAREs, Bet1p and Bos1p, were shown to interact specifically with Sar1p, Sec23p, and Sec24p, components of the COPII coat, in a guanine nucleotide-dependent fashion. Guanine Nucleotides 152-170 golgi SNAP receptor complex member 2 Homo sapiens 42-47 9685263-2 1998 Here, two ER to Golgi v-SNAREs, Bet1p and Bos1p, were shown to interact specifically with Sar1p, Sec23p, and Sec24p, components of the COPII coat, in a guanine nucleotide-dependent fashion. Guanine Nucleotides 152-170 secretion associated Ras related GTPase 1A Homo sapiens 90-95 9685263-2 1998 Here, two ER to Golgi v-SNAREs, Bet1p and Bos1p, were shown to interact specifically with Sar1p, Sec23p, and Sec24p, components of the COPII coat, in a guanine nucleotide-dependent fashion. Guanine Nucleotides 152-170 SEC24 homolog B, COPII coat complex component Homo sapiens 109-115 34432493-3 2021 Cells expressing mutant Mrx8 predicted to be defective in guanine nucleotide binding and hydrolysis were compromised for robust cellular respiration. Guanine Nucleotides 58-76 mental retardation, X-linked 8 Homo sapiens 24-28 34685730-6 2021 Phylogenetic analyses of the individual cAMP binding domain (CBD) and guanine nucleotide exchange (GEF) domain of EPACs, two most conserved regions between the two isoforms, further reveal that EPAC1 and EPAC2 are closely clustered together within both the larger cyclic nucleotide receptor and RAPGEF families. Guanine Nucleotides 70-88 Rap guanine nucleotide exchange factor 3 Homo sapiens 194-199 34529720-6 2021 Single-cell and bulk RNA-seq analyses revealed that of the four known isoforms of the Ras guanine nucleotide exchange factor RasGRP, RasGRP1 is by far the predominantly expressed diacylglycerol-dependent isoform in CD4+ T cells. Guanine Nucleotides 90-108 RAS guanyl releasing protein 1 Homo sapiens 125-131 34663953-6 2022 Microtubule acetylation, in turn, promotes the release of the guanine nucleotide exchange factor GEF-H1 from microtubules to activate RhoA, actomyosin contractility and traction forces. Guanine Nucleotides 62-80 Rho/Rac guanine nucleotide exchange factor 2 Homo sapiens 97-103 34663953-6 2022 Microtubule acetylation, in turn, promotes the release of the guanine nucleotide exchange factor GEF-H1 from microtubules to activate RhoA, actomyosin contractility and traction forces. Guanine Nucleotides 62-80 ras homolog family member A Homo sapiens 134-138 34406861-6 2021 Similar to depletion of Rab7, deletion of either MON1 or CCZ1 heterodymeric GEFs (guanine nucleotide exchange factors) of Rab7, inhibited TBSV repRNA replication in yeast. Guanine Nucleotides 82-100 CCZ1 homolog, vacuolar protein trafficking and biogenesis associated Homo sapiens 57-61 34406861-6 2021 Similar to depletion of Rab7, deletion of either MON1 or CCZ1 heterodymeric GEFs (guanine nucleotide exchange factors) of Rab7, inhibited TBSV repRNA replication in yeast. Guanine Nucleotides 82-100 RAB7B, member RAS oncogene family Homo sapiens 122-126 34252536-1 2021 Vav1 exhibits two signal transducing properties as an adaptor protein and a regulator of cytoskeleton organization through its Guanine nucleotide Exchange Factor module. Guanine Nucleotides 127-145 vav guanine nucleotide exchange factor 1 Homo sapiens 0-4 34529720-6 2021 Single-cell and bulk RNA-seq analyses revealed that of the four known isoforms of the Ras guanine nucleotide exchange factor RasGRP, RasGRP1 is by far the predominantly expressed diacylglycerol-dependent isoform in CD4+ T cells. Guanine Nucleotides 90-108 RAS guanyl releasing protein 1 Homo sapiens 133-140 34243065-1 2021 ALS2, a product of the causative gene for familial amyotrophic lateral sclerosis (ALS) type 2, plays a pivotal role in the regulation of endosome dynamics by activating small GTPase Rab5 via its intrinsic guanine nucleotide-exchange factor activity. Guanine Nucleotides 205-223 alsin Rho guanine nucleotide exchange factor ALS2 Homo sapiens 0-4 34243065-1 2021 ALS2, a product of the causative gene for familial amyotrophic lateral sclerosis (ALS) type 2, plays a pivotal role in the regulation of endosome dynamics by activating small GTPase Rab5 via its intrinsic guanine nucleotide-exchange factor activity. Guanine Nucleotides 205-223 RAB5A, member RAS oncogene family Homo sapiens 182-186 34462423-2 2021 Here, using esophageal squamous cell carcinoma (ESCC) as a model, we demonstrate that guanine nucleotide exchange factor 2 (VAV2), which is overexpressed in most human cancers, plays an important role in primary and secondary radioresistance. Guanine Nucleotides 86-104 vav guanine nucleotide exchange factor 2 Homo sapiens 124-128 34427245-9 2021 Furthermore, we identified a novel c.A1295G variant in Rho guanine nucleotide exchange factors Gene 40 (ARHGEF40) and a likely pathogenic variant in the RPGR gene, suggesting that they may alter the RhoA activity essential for IOP regulation. Guanine Nucleotides 59-77 Rho guanine nucleotide exchange factor 40 Homo sapiens 104-112 34427245-9 2021 Furthermore, we identified a novel c.A1295G variant in Rho guanine nucleotide exchange factors Gene 40 (ARHGEF40) and a likely pathogenic variant in the RPGR gene, suggesting that they may alter the RhoA activity essential for IOP regulation. Guanine Nucleotides 59-77 ras homolog family member A Homo sapiens 199-203 34345888-4 2021 In this study, we investigate the local response of TJ adaptor protein cingulin and its interaction with Rho guanine nucleotide exchange factor H1 (GEF-H1) upon vascular barrier disruption to find a new approach to counteract vascular leak. Guanine Nucleotides 109-127 cingulin Homo sapiens 71-79 34345888-4 2021 In this study, we investigate the local response of TJ adaptor protein cingulin and its interaction with Rho guanine nucleotide exchange factor H1 (GEF-H1) upon vascular barrier disruption to find a new approach to counteract vascular leak. Guanine Nucleotides 109-127 Rho/Rac guanine nucleotide exchange factor 2 Homo sapiens 148-154 34423792-6 2021 Furthermore, pharmacological inhibition of the Arf6 guanine nucleotide exchange factor suppressed asthma-like allergic inflammation in OVA-challenged WT mice. Guanine Nucleotides 52-70 ADP-ribosylation factor 6 Mus musculus 47-51 34439396-6 2021 Phosphorylated cortactin interacts with the SH2-domain of Vav2, a guanine nucleotide exchange factor for the Rho-family of GTPases. Guanine Nucleotides 66-84 cortactin Homo sapiens 15-24 34439396-6 2021 Phosphorylated cortactin interacts with the SH2-domain of Vav2, a guanine nucleotide exchange factor for the Rho-family of GTPases. Guanine Nucleotides 66-84 vav guanine nucleotide exchange factor 2 Homo sapiens 58-62 34409938-3 2021 Using a combination of conditional knockout (cKO) mice and cell-penetrating peptides, we show that GIV (CCDC88A), a guanine nucleotide-exchange modulator (GEM) for trimeric GTPases, is highly expressed in spermatocytes and is required for male fertility. Guanine Nucleotides 116-134 coiled coil domain containing 88A Mus musculus 99-102 34409938-3 2021 Using a combination of conditional knockout (cKO) mice and cell-penetrating peptides, we show that GIV (CCDC88A), a guanine nucleotide-exchange modulator (GEM) for trimeric GTPases, is highly expressed in spermatocytes and is required for male fertility. Guanine Nucleotides 116-134 coiled coil domain containing 88A Mus musculus 104-111 34381782-4 2021 ELMO and DOCK proteins form complexes that function as guanine nucleotide exchange factors for Rac activation. Guanine Nucleotides 55-73 Rac family small GTPase 1 Mus musculus 95-98 34358462-2 2021 In this issue of Structure, Joiner and Fromme (2021) investigate the enigmatic structural basis for Sar1 activation by the Sec12 guanine nucleotide exchange factor. Guanine Nucleotides 129-147 secretion associated Ras related GTPase 1A Homo sapiens 100-104 34358462-2 2021 In this issue of Structure, Joiner and Fromme (2021) investigate the enigmatic structural basis for Sar1 activation by the Sec12 guanine nucleotide exchange factor. Guanine Nucleotides 129-147 prolactin regulatory element binding Homo sapiens 123-128 34216756-9 2021 Their contribution in PIDs may involve their main regulator, Rho guanine nucleotide exchange factors such as DOCK2 and DOCK8, wherein mutations may result in the impairment of small Rho GTPase activation. Guanine Nucleotides 65-83 dedicator of cytokinesis 2 Homo sapiens 109-114 34216756-9 2021 Their contribution in PIDs may involve their main regulator, Rho guanine nucleotide exchange factors such as DOCK2 and DOCK8, wherein mutations may result in the impairment of small Rho GTPase activation. Guanine Nucleotides 65-83 dedicator of cytokinesis 8 Homo sapiens 119-124 34128958-3 2021 SH3BP5 and SH3BP5L are guanine nucleotide exchange factors (GEFs) for Rab11. Guanine Nucleotides 23-41 SH3 domain binding protein 5 Homo sapiens 0-6 34242364-3 2021 Here we leveraged a candidate cellular GWAS screen to identify natural genetic variation in the ARHGEF26 (Rho Guanine Nucleotide Exchange Factor 26) gene that renders lymphoblastoid cells susceptible to Salmonella Typhi and Typhimurium invasion. Guanine Nucleotides 110-128 Rho guanine nucleotide exchange factor 26 Homo sapiens 96-104 34229552-6 2022 Further study indicated PRKN protein level as a rate-limiting factor to facilitate degradation of RAB7 and its GEF (guanine nucleotide exchange factor) complex CCZ1-MON1 through the ubiquitin-proteasome system. Guanine Nucleotides 116-134 parkin RBR E3 ubiquitin protein ligase Homo sapiens 24-28 34229552-6 2022 Further study indicated PRKN protein level as a rate-limiting factor to facilitate degradation of RAB7 and its GEF (guanine nucleotide exchange factor) complex CCZ1-MON1 through the ubiquitin-proteasome system. Guanine Nucleotides 116-134 RAB7B, member RAS oncogene family Homo sapiens 98-102 34229552-6 2022 Further study indicated PRKN protein level as a rate-limiting factor to facilitate degradation of RAB7 and its GEF (guanine nucleotide exchange factor) complex CCZ1-MON1 through the ubiquitin-proteasome system. Guanine Nucleotides 116-134 Rho/Rac guanine nucleotide exchange factor 2 Homo sapiens 111-114 34229552-6 2022 Further study indicated PRKN protein level as a rate-limiting factor to facilitate degradation of RAB7 and its GEF (guanine nucleotide exchange factor) complex CCZ1-MON1 through the ubiquitin-proteasome system. Guanine Nucleotides 116-134 CCZ1 homolog, vacuolar protein trafficking and biogenesis associated Homo sapiens 160-164 34128958-3 2021 SH3BP5 and SH3BP5L are guanine nucleotide exchange factors (GEFs) for Rab11. Guanine Nucleotides 23-41 SH3 binding domain protein 5 like Homo sapiens 11-18 34305539-7 2021 Finally, TRPV1-/- hippocampal synaptosomes showed an augmented level of the guanine nucleotide-binding (G) Galphai1, Galphai2, and Galphai3 protein alpha subunits. Guanine Nucleotides 76-94 transient receptor potential cation channel, subfamily V, member 1 Mus musculus 9-14 34128958-3 2021 SH3BP5 and SH3BP5L are guanine nucleotide exchange factors (GEFs) for Rab11. Guanine Nucleotides 23-41 RAB11A, member RAS oncogene family Homo sapiens 70-75 35563476-1 2022 The cytohesin proteins, consisting of four closely related members (cytohesins-1, -2, -3, and -4), are a subfamily of the Sec7 domain-containing guanine nucleotide exchange factors for ADP ribosylation factors (Arfs), which are critical regulators of membrane trafficking and actin cytoskeleton remodeling. Guanine Nucleotides 145-163 cytohesin 1 Homo sapiens 68-96 34248508-1 2021 Heterotrimeric guanine nucleotide-binding proteins (G proteins) transduce signals from G protein-coupled receptors (GPCRs) to effector ion channels and enzymes Galphao, a member of the pertussis toxin-sensitive G i/o family, is widely expressed in the brain, although its role within a neuronal context remains largely unknown. Guanine Nucleotides 15-33 guanine nucleotide binding protein, alpha O Mus musculus 160-167 33948992-3 2021 Mechanistically, disruption of capillary barrier function is mediated by small Rho-GTPases, such as RhoA, -B, and -C, which are activated by guanine nucleotide exchange factors (GEFs) and disrupted by GTPase-activating factors (GAPs). Guanine Nucleotides 141-159 ras homolog family member A Homo sapiens 100-116 34073530-0 2021 EFA6 in Axon Regeneration, as a Microtubule Regulator and as a Guanine Nucleotide Exchange Factor. Guanine Nucleotides 63-81 pleckstrin and Sec7 domain containing Homo sapiens 0-4 35604368-5 2022 Notably, SMGL-1 acts as a guanine nucleotide exchange factor for RAB-8, ensuring UPS of integral proteins by driving the activation of RAB-8. Guanine Nucleotides 26-44 Uncharacterized protein Caenorhabditis elegans 9-15 35604368-5 2022 Notably, SMGL-1 acts as a guanine nucleotide exchange factor for RAB-8, ensuring UPS of integral proteins by driving the activation of RAB-8. Guanine Nucleotides 26-44 RAB family Caenorhabditis elegans 65-70 35604368-5 2022 Notably, SMGL-1 acts as a guanine nucleotide exchange factor for RAB-8, ensuring UPS of integral proteins by driving the activation of RAB-8. Guanine Nucleotides 26-44 RAB family Caenorhabditis elegans 135-140 35579296-1 2022 Eukaryotic initiation factor 2B, eIF2B is a guanine nucleotide exchange, factor with a central role in coordinating the initiation of translation. Guanine Nucleotides 44-62 eukaryotic translation initiation factor 2 subunit beta Homo sapiens 33-38 35324017-0 2022 Conformations and binding pockets of HRas and its guanine nucleotide exchange factors complexes in the guanosine triphosphate exchange process. Guanine Nucleotides 50-68 HRas proto-oncogene, GTPase Homo sapiens 37-41 34096300-6 2021 We next observed that both guanine nucleotide exchange factors, Cytohesin-1/2/3 (CYTH1/2/3, CYTHs) and ADP-ribosylation factor GTPase activating protein 1 (ARFGAP1), interacted with Arf1. Guanine Nucleotides 27-45 cytohesin 1 Bos taurus 64-79 34096300-6 2021 We next observed that both guanine nucleotide exchange factors, Cytohesin-1/2/3 (CYTH1/2/3, CYTHs) and ADP-ribosylation factor GTPase activating protein 1 (ARFGAP1), interacted with Arf1. Guanine Nucleotides 27-45 ADP ribosylation factor GTPase activating protein 1 Bos taurus 103-154 34096300-6 2021 We next observed that both guanine nucleotide exchange factors, Cytohesin-1/2/3 (CYTH1/2/3, CYTHs) and ADP-ribosylation factor GTPase activating protein 1 (ARFGAP1), interacted with Arf1. Guanine Nucleotides 27-45 ADP ribosylation factor GTPase activating protein 1 Bos taurus 156-163 34096300-6 2021 We next observed that both guanine nucleotide exchange factors, Cytohesin-1/2/3 (CYTH1/2/3, CYTHs) and ADP-ribosylation factor GTPase activating protein 1 (ARFGAP1), interacted with Arf1. Guanine Nucleotides 27-45 ADP ribosylation factor 1 Bos taurus 182-186 34100549-7 2021 Furthermore, we show that Rab11 binds the guanine nucleotide exchange factor for Rab3a (GRAB) as well as Rab3a, which we have previously described to be a regulator of the positioning and exocytosis of lysosomes. Guanine Nucleotides 42-60 RAB11A, member RAS oncogene family Homo sapiens 26-31 34100549-7 2021 Furthermore, we show that Rab11 binds the guanine nucleotide exchange factor for Rab3a (GRAB) as well as Rab3a, which we have previously described to be a regulator of the positioning and exocytosis of lysosomes. Guanine Nucleotides 42-60 RAB3A, member RAS oncogene family Homo sapiens 81-86 34100549-7 2021 Furthermore, we show that Rab11 binds the guanine nucleotide exchange factor for Rab3a (GRAB) as well as Rab3a, which we have previously described to be a regulator of the positioning and exocytosis of lysosomes. Guanine Nucleotides 42-60 RAB3A interacting protein like 1 Homo sapiens 88-92 34453711-2 2021 Herein, we illustrate the use of this technique to monitor the nucleotide exchange process in Rab5, using the guanine nucleotide exchange factor (GEF)-effector complex, Rabex5:Rabaptin5. Guanine Nucleotides 110-128 RAB5A, member RAS oncogene family Homo sapiens 94-98 34453713-5 2021 We found that the switching between GTP- and GDP-binding states, which is governed by guanine nucleotide exchange factors (GEFs), GTPase activating proteins (GAPs), GDP dissociation inhibitor (GDI) and GDI displacement factor (GDF), is a major determinant for Rab1"s ability to effectively cycle between cellular compartments and eventually for its subcellular distribution. Guanine Nucleotides 86-104 RAB1A, member RAS oncogene family Homo sapiens 260-264 35543550-1 2022 Guanylate binding protein 2 (GBP2) could bind to guanine nucleotides (GMP, GDP, and GTP) and exhibits antiviral activity against influenza virus through the innate immune response. Guanine Nucleotides 49-68 guanylate binding protein 2 Homo sapiens 29-33 35549614-3 2022 Our recent work indicates that it interacts with and stimulates RCC1, the sole guanine nucleotide exchange factor for the GTPase Ran. Guanine Nucleotides 79-97 regulator of chromosome condensation 1 Homo sapiens 64-68 35549614-3 2022 Our recent work indicates that it interacts with and stimulates RCC1, the sole guanine nucleotide exchange factor for the GTPase Ran. Guanine Nucleotides 79-97 RAN, member RAS oncogene family Homo sapiens 129-132 35219498-1 2022 BACKGROUND: IQSEC3, a gephyrin-binding GABAergic (gamma-aminobutyric acidergic) synapse-specific guanine nucleotide exchange factor, was recently reported to regulate activity-dependent GABAergic synapse maturation, but the underlying signaling mechanisms remain incompletely understood. Guanine Nucleotides 97-115 IQ motif and Sec7 domain 3 Mus musculus 12-18 35219498-1 2022 BACKGROUND: IQSEC3, a gephyrin-binding GABAergic (gamma-aminobutyric acidergic) synapse-specific guanine nucleotide exchange factor, was recently reported to regulate activity-dependent GABAergic synapse maturation, but the underlying signaling mechanisms remain incompletely understood. Guanine Nucleotides 97-115 gephyrin Mus musculus 22-30 35563476-1 2022 The cytohesin proteins, consisting of four closely related members (cytohesins-1, -2, -3, and -4), are a subfamily of the Sec7 domain-containing guanine nucleotide exchange factors for ADP ribosylation factors (Arfs), which are critical regulators of membrane trafficking and actin cytoskeleton remodeling. Guanine Nucleotides 145-163 cytohesin 1 Homo sapiens 122-126 35420468-9 2022 In a fixed effect inverse-variance weighted meta-analysis of these two cohorts, we identified a genome-wide significant region on chromosome 8 in intron 4 of the rho guanine nucleotide exchange factor 10 gene (ARHGEF10). Guanine Nucleotides 166-184 Rho guanine nucleotide exchange factor 10 Homo sapiens 210-218 35245122-1 2022 The alpha2A adrenergic receptor (alpha2AAR) is a G protein (heterotrimeric guanine nucleotide-binding protein)-coupled receptor that mediates important physiological functions in response to the endogenous neurotransmitters norepinephrine and epinephrine, as well as numerous chemically distinct drugs. Guanine Nucleotides 75-93 adrenoceptor alpha 2A Homo sapiens 4-31 35422804-0 2022 Expression of a RhoA-Specific Guanine Nucleotide Exchange Factor, p190RhoGEF, in Mouse Macrophages Negatively Affects M1 Polarization and Inflammatory Responses. Guanine Nucleotides 30-48 Rho guanine nucleotide exchange factor (GEF) 28 Mus musculus 66-76 35290799-8 2022 We also identify putative guanine nucleotide exchange factors for Rac and Cdc42, Trio and Fgd1, respectively, whose phosphorylation states increase upon mitochondrial depolarization and whose suppression inhibits ADA. Guanine Nucleotides 26-44 cell division cycle 42 Homo sapiens 74-79 35290799-8 2022 We also identify putative guanine nucleotide exchange factors for Rac and Cdc42, Trio and Fgd1, respectively, whose phosphorylation states increase upon mitochondrial depolarization and whose suppression inhibits ADA. Guanine Nucleotides 26-44 trio Rho guanine nucleotide exchange factor Homo sapiens 81-85 35290799-8 2022 We also identify putative guanine nucleotide exchange factors for Rac and Cdc42, Trio and Fgd1, respectively, whose phosphorylation states increase upon mitochondrial depolarization and whose suppression inhibits ADA. Guanine Nucleotides 26-44 FYVE, RhoGEF and PH domain containing 1 Homo sapiens 90-94 35293857-7 2022 We identified IMPDH2, which catalyzes the rate-limiting step of guanine nucleotides biosynthesis, as a key mediator of these effects. Guanine Nucleotides 64-83 inosine monophosphate dehydrogenase 2 Homo sapiens 14-20 35017116-6 2022 Mechanistically, HITT is physically associated with Rab5 at switch I via 1248-1347nt and suppresses beta1 integrin endocytosis and subsequent cancer metastasis by interfering with guanine nucleotide exchange factors (GEFs) for Rab5 binding. Guanine Nucleotides 180-198 RAB5A, member RAS oncogene family Homo sapiens 52-56 35017116-6 2022 Mechanistically, HITT is physically associated with Rab5 at switch I via 1248-1347nt and suppresses beta1 integrin endocytosis and subsequent cancer metastasis by interfering with guanine nucleotide exchange factors (GEFs) for Rab5 binding. Guanine Nucleotides 180-198 integrin subunit beta 1 Homo sapiens 100-114 35245122-1 2022 The alpha2A adrenergic receptor (alpha2AAR) is a G protein (heterotrimeric guanine nucleotide-binding protein)-coupled receptor that mediates important physiological functions in response to the endogenous neurotransmitters norepinephrine and epinephrine, as well as numerous chemically distinct drugs. Guanine Nucleotides 75-93 adrenoceptor alpha 2A Homo sapiens 33-42 35196081-2 2022 Ciliogenesis involves membrane trafficking mediated by small guanosine triphosphatases (GTPases) including Rabs, molecular switches activated by guanine nucleotide exchange factors (GEFs). Guanine Nucleotides 145-163 RAB10, member RAS oncogene family Homo sapiens 107-111 35085554-7 2022 Analysis of guanine nucleotide exchange factors revealed that ARHGEF7 was specifically required for CDCP1-dependent induction of HGF-induced invasive ability. Guanine Nucleotides 12-30 Rho guanine nucleotide exchange factor 7 Homo sapiens 62-69 35085554-7 2022 Analysis of guanine nucleotide exchange factors revealed that ARHGEF7 was specifically required for CDCP1-dependent induction of HGF-induced invasive ability. Guanine Nucleotides 12-30 CUB domain containing protein 1 Homo sapiens 100-105 35085554-7 2022 Analysis of guanine nucleotide exchange factors revealed that ARHGEF7 was specifically required for CDCP1-dependent induction of HGF-induced invasive ability. Guanine Nucleotides 12-30 hepatocyte growth factor Homo sapiens 129-132 35169261-4 2022 ARHGEF9 codes for the Cdc42 Guanine Nucleotide Exchange Factor 9 collybistin (Cb), a known regulator of inhibitory synapse function via direct interaction with the adhesion molecule neuroligin-2 and the alpha2 subunit of GABAA receptors. Guanine Nucleotides 28-46 Cdc42 guanine nucleotide exchange factor 9 Homo sapiens 0-7 35169261-4 2022 ARHGEF9 codes for the Cdc42 Guanine Nucleotide Exchange Factor 9 collybistin (Cb), a known regulator of inhibitory synapse function via direct interaction with the adhesion molecule neuroligin-2 and the alpha2 subunit of GABAA receptors. Guanine Nucleotides 28-46 Cdc42 guanine nucleotide exchange factor 9 Homo sapiens 78-80 35169261-4 2022 ARHGEF9 codes for the Cdc42 Guanine Nucleotide Exchange Factor 9 collybistin (Cb), a known regulator of inhibitory synapse function via direct interaction with the adhesion molecule neuroligin-2 and the alpha2 subunit of GABAA receptors. Guanine Nucleotides 28-46 neuroligin 2 Homo sapiens 182-194 35204828-3 2022 The RasGRP1 gene, encoding for a guanine nucleotide exchange factor, is implicated in dopamine signaling and immune response. Guanine Nucleotides 33-51 RAS guanyl releasing protein 1 Homo sapiens 4-11 35203342-4 2022 The p.Arg200Trp variant in mouse (Plekhg2-RW), which corresponds to the p.Arg204Trp variant in humans, showed decreased guanine nucleotide-exchange activity for Rac1, Rac3, and Cdc42. Guanine Nucleotides 120-138 pleckstrin homology domain containing, family G (with RhoGef domain) member 2 Mus musculus 34-41 35203342-4 2022 The p.Arg200Trp variant in mouse (Plekhg2-RW), which corresponds to the p.Arg204Trp variant in humans, showed decreased guanine nucleotide-exchange activity for Rac1, Rac3, and Cdc42. Guanine Nucleotides 120-138 Rac family small GTPase 1 Homo sapiens 161-165 35203342-4 2022 The p.Arg200Trp variant in mouse (Plekhg2-RW), which corresponds to the p.Arg204Trp variant in humans, showed decreased guanine nucleotide-exchange activity for Rac1, Rac3, and Cdc42. Guanine Nucleotides 120-138 cell division cycle 42 Homo sapiens 177-182 35080977-2 2022 TRAPPII activates GTPase Ypt31/Ypt32 as the guanine nucleotide exchange factor in the trans-Golgi network to determine the maturation of Golgi cisternae into post-Golgi carriers in yeast. Guanine Nucleotides 44-62 Rab family GTPase YPT31 Saccharomyces cerevisiae S288C 25-30 35237130-1 2021 Vav proteins belong to the class of guanine nucleotide exchange factors (GEFs) that catalyze the exchange of guanosine diphosphate (GDP) by guanosine triphosphate (GTP) on their target proteins. Guanine Nucleotides 36-54 vav guanine nucleotide exchange factor 1 Homo sapiens 0-3 34979574-7 2022 Epac is a cAMP-dependent guanine nucleotide exchange factor for the small G proteins including Rap1. Guanine Nucleotides 25-43 Rap guanine nucleotide exchange factor 3 Homo sapiens 0-4 34979574-7 2022 Epac is a cAMP-dependent guanine nucleotide exchange factor for the small G proteins including Rap1. Guanine Nucleotides 25-43 RAP1A, member of RAS oncogene family Homo sapiens 95-99 35174167-2 2021 ARHGEF3 or XPLN (exchange factor found in platelets, leukemic, and neuronal tissues) is a selective guanine nucleotide exchange factor for Rho GTPases (RhoGEFs) that activates RhoA and RhoB but not RhoC, RhoG, Rac1, or Cdc42. Guanine Nucleotides 100-118 ras homolog family member C Homo sapiens 198-202 35174167-2 2021 ARHGEF3 or XPLN (exchange factor found in platelets, leukemic, and neuronal tissues) is a selective guanine nucleotide exchange factor for Rho GTPases (RhoGEFs) that activates RhoA and RhoB but not RhoC, RhoG, Rac1, or Cdc42. Guanine Nucleotides 100-118 ras homolog family member G Homo sapiens 204-208 35174167-2 2021 ARHGEF3 or XPLN (exchange factor found in platelets, leukemic, and neuronal tissues) is a selective guanine nucleotide exchange factor for Rho GTPases (RhoGEFs) that activates RhoA and RhoB but not RhoC, RhoG, Rac1, or Cdc42. Guanine Nucleotides 100-118 Rac family small GTPase 1 Homo sapiens 210-214 35174167-2 2021 ARHGEF3 or XPLN (exchange factor found in platelets, leukemic, and neuronal tissues) is a selective guanine nucleotide exchange factor for Rho GTPases (RhoGEFs) that activates RhoA and RhoB but not RhoC, RhoG, Rac1, or Cdc42. Guanine Nucleotides 100-118 cell division cycle 42 Homo sapiens 219-224 35194610-7 2022 We identified IMPDH2, which catalyzes the rate-limiting step of guanine nucleotides biosynthesis, as a key mediator of these effects. Guanine Nucleotides 64-83 inosine monophosphate dehydrogenase 2 Homo sapiens 14-20 35174167-2 2021 ARHGEF3 or XPLN (exchange factor found in platelets, leukemic, and neuronal tissues) is a selective guanine nucleotide exchange factor for Rho GTPases (RhoGEFs) that activates RhoA and RhoB but not RhoC, RhoG, Rac1, or Cdc42. Guanine Nucleotides 100-118 Rho guanine nucleotide exchange factor 3 Homo sapiens 0-7 35174167-2 2021 ARHGEF3 or XPLN (exchange factor found in platelets, leukemic, and neuronal tissues) is a selective guanine nucleotide exchange factor for Rho GTPases (RhoGEFs) that activates RhoA and RhoB but not RhoC, RhoG, Rac1, or Cdc42. Guanine Nucleotides 100-118 Rho guanine nucleotide exchange factor 3 Homo sapiens 11-15 35174167-2 2021 ARHGEF3 or XPLN (exchange factor found in platelets, leukemic, and neuronal tissues) is a selective guanine nucleotide exchange factor for Rho GTPases (RhoGEFs) that activates RhoA and RhoB but not RhoC, RhoG, Rac1, or Cdc42. Guanine Nucleotides 100-118 ras homolog family member A Homo sapiens 176-180 35174167-2 2021 ARHGEF3 or XPLN (exchange factor found in platelets, leukemic, and neuronal tissues) is a selective guanine nucleotide exchange factor for Rho GTPases (RhoGEFs) that activates RhoA and RhoB but not RhoC, RhoG, Rac1, or Cdc42. Guanine Nucleotides 100-118 ras homolog family member B Homo sapiens 185-189 35080977-2 2022 TRAPPII activates GTPase Ypt31/Ypt32 as the guanine nucleotide exchange factor in the trans-Golgi network to determine the maturation of Golgi cisternae into post-Golgi carriers in yeast. Guanine Nucleotides 44-62 Rab family GTPase YPT32 Saccharomyces cerevisiae S288C 31-36 2557767-4 1989 The kidney PYY receptor was sensitive to guanine nucleotides and could be classified as belonging to the Y2-subtype of NPY receptors, thus resembling in its binding characteristics the hippocampal NPY receptor. Guanine Nucleotides 41-60 peptide YY Oryctolagus cuniculus 11-14 2512288-5 1989 The preparation of nucleotide-free Arf1 has allowed a more accurate determination of the binding constants for guanine nucleotides and revealed a significantly higher affinity for GDP than was previously determined. Guanine Nucleotides 111-130 ADP ribosylation factor 1 Bos taurus 35-39 35083941-2 2022 Recent studies have showed several Rac-specific guanine nucleotide exchange factor (GEF) that affect development and structure of neuronal processes play a vital role in the regulation of chronic pain. Guanine Nucleotides 48-66 Rac family small GTPase 1 Mus musculus 35-38 2556274-6 1989 In contrast, magnesium but not neomycin largely enhanced the potency of guanine nucleotides, particularly of GTP and its analog, guanosine-5"-O-(3-thiotriphosphate), to reduce fMet-Leu-Phe receptor binding, while maximal inhibition of agonist receptor binding by guanine nucleotides was identical with magnesium and neomycin. Guanine Nucleotides 72-91 formyl peptide receptor 1 Homo sapiens 176-197 2511846-1 1989 Insulin inhibited the ability of activated pertussis toxin to catalyse the ADP-ribosylation of alpha-Gi in isolated plasma membranes in either the absence of added guanine nucleotides or in the presence of GTP. Guanine Nucleotides 164-183 insulin Homo sapiens 0-7 2689859-8 1989 These results suggest that BzATP is a full P2Y-purinergic receptor agonist, which after photolysis becomes irreversibly associated with turkey erythrocyte membranes and promotes P2Y-purinergic receptor-mediated guanine nucleotide-dependent activation of phospholipase C. Guanine Nucleotides 211-229 P2Y purinoceptor 1 Meleagris gallopavo 43-66 2689859-8 1989 These results suggest that BzATP is a full P2Y-purinergic receptor agonist, which after photolysis becomes irreversibly associated with turkey erythrocyte membranes and promotes P2Y-purinergic receptor-mediated guanine nucleotide-dependent activation of phospholipase C. Guanine Nucleotides 211-229 P2Y purinoceptor 1 Meleagris gallopavo 178-201 2556274-6 1989 In contrast, magnesium but not neomycin largely enhanced the potency of guanine nucleotides, particularly of GTP and its analog, guanosine-5"-O-(3-thiotriphosphate), to reduce fMet-Leu-Phe receptor binding, while maximal inhibition of agonist receptor binding by guanine nucleotides was identical with magnesium and neomycin. Guanine Nucleotides 263-282 formyl peptide receptor 1 Homo sapiens 176-197 2557657-6 1989 These data suggest that PAF receptor in human peripheral blood mononuclear leukocytes may be coupled through a pertussis toxin-insensitive guanine nucleotide binding protein to a phosphoinositide-specific phospholipase C. Guanine Nucleotides 139-157 PCNA clamp associated factor Homo sapiens 24-27 2555322-0 1989 Agonist-induced desensitization of a P2Y-purinergic receptor-regulated phospholipase C. A guanine nucleotide-dependent P2Y-purinergic receptor-regulated phospholipase C activity of turkey erythrocyte membranes has been characterized in detail previously (Boyer, J. L., Downes, C. P., and Harden, T. K. (1989) J. Biol. Guanine Nucleotides 90-108 P2Y purinoceptor 1 Meleagris gallopavo 37-60 2555322-0 1989 Agonist-induced desensitization of a P2Y-purinergic receptor-regulated phospholipase C. A guanine nucleotide-dependent P2Y-purinergic receptor-regulated phospholipase C activity of turkey erythrocyte membranes has been characterized in detail previously (Boyer, J. L., Downes, C. P., and Harden, T. K. (1989) J. Biol. Guanine Nucleotides 90-108 P2Y purinoceptor 1 Meleagris gallopavo 119-142 2507536-11 1989 [35S]GTP gamma S-binding to c25KG was specifically inhibited by guanine nucleotides, GTP and GDP, but not by adenine nucleotides such as ATP and adenyl-5"-yl beta, gamma-imidodiphosphate. Guanine Nucleotides 64-83 RAB27B, member RAS oncogene family Homo sapiens 28-33 2808417-4 1989 The mitochondrial EF-Tu.Ts complex is very stable and cannot be dissociated even in the presence of high concentrations of guanine nucleotides. Guanine Nucleotides 123-142 Tu translation elongation factor, mitochondrial Bos taurus 18-23 2808417-6 1989 Mitochondrial EF-Ts activity can be detected by its ability to facilitate guanine nucleotide exchange with Escherichia coli EF-Tu. Guanine Nucleotides 74-92 Ts translation elongation factor, mitochondrial Bos taurus 14-19 2554329-3 1989 One such suppressor, MSI1, was found to encode a putative protein of 422 amino acids that shows homology to the beta subunit of the mammalian guanine nucleotide-binding regulatory proteins. Guanine Nucleotides 142-160 musashi RNA binding protein 1 Homo sapiens 21-25 2771944-6 1989 These findings combined with the observed guanine nucleotide-mediated decrease in binding suggest that PAPA-APEC is a full A2 agonist. Guanine Nucleotides 42-60 pappalysin 1 Homo sapiens 103-107 2674130-4 1989 rac1 and rac2 possess four of the five conserved functional domains in ras associated with binding and hydrolysis of guanine nucleotides. Guanine Nucleotides 117-136 Rac family small GTPase 1 Homo sapiens 0-4 2674130-4 1989 rac1 and rac2 possess four of the five conserved functional domains in ras associated with binding and hydrolysis of guanine nucleotides. Guanine Nucleotides 117-136 Rac family small GTPase 2 Homo sapiens 9-13 2476675-0 1989 Structure of the guanine-nucleotide-binding domain of the Ha-ras oncogene product p21 in the triphosphate conformation. Guanine Nucleotides 17-35 H3 histone pseudogene 16 Homo sapiens 82-85 2476675-1 1989 The crystal structure of the guanine-nucleotide-binding domain of p21 (amino acids 1-166) complexed to the guanosine triphosphate analogue guanosine-5"-(beta, gamma-imido)triphosphate (GppNp) has been determined at a resolution of 2.6 A. Guanine Nucleotides 29-47 H3 histone pseudogene 16 Homo sapiens 66-69 2476675-2 1989 The topological order of secondary structure elements is the same as that of the guanine-nucleotide-binding domain of bacterial elongation factor EF-Tu. Guanine Nucleotides 81-99 Tu translation elongation factor, mitochondrial Homo sapiens 146-151 2506853-0 1989 Kinetic analysis of the binding of guanine nucleotides to bovine brain rhoB p20, a ras p21-like GTP-binding protein. Guanine Nucleotides 35-54 ras homolog family member B Bos taurus 71-75 2506853-0 1989 Kinetic analysis of the binding of guanine nucleotides to bovine brain rhoB p20, a ras p21-like GTP-binding protein. Guanine Nucleotides 35-54 tubulin polymerization promoting protein family member 3 Homo sapiens 76-79 2506853-0 1989 Kinetic analysis of the binding of guanine nucleotides to bovine brain rhoB p20, a ras p21-like GTP-binding protein. Guanine Nucleotides 35-54 cyclin dependent kinase inhibitor 1A Bos taurus 87-90 2506853-1 1989 We have investigated the kinetics of the binding of guanine nucleotides to bovine brain rhoB p20, a ras p21-like GTP-binding protein with GTPase activity. Guanine Nucleotides 52-71 ras homolog family member B Bos taurus 88-92 2506853-1 1989 We have investigated the kinetics of the binding of guanine nucleotides to bovine brain rhoB p20, a ras p21-like GTP-binding protein with GTPase activity. Guanine Nucleotides 52-71 tubulin polymerization promoting protein family member 3 Homo sapiens 93-96 2506853-1 1989 We have investigated the kinetics of the binding of guanine nucleotides to bovine brain rhoB p20, a ras p21-like GTP-binding protein with GTPase activity. Guanine Nucleotides 52-71 cyclin dependent kinase inhibitor 1A Bos taurus 104-107 2551182-2 1989 Guanine nucleotides (GTP, GTP-gamma-S, GDP-beta-S) decreased the binding of GLP-1(7-36)amide to receptors on RINm5F cell membranes. Guanine Nucleotides 0-19 glucagon Rattus norvegicus 76-81 2551182-8 1989 The effect of guanine nucleotides on binding of GLP-1(7-36)amide indicates that the action of the peptide is mediated by the adenylate cyclase system. Guanine Nucleotides 14-33 glucagon Rattus norvegicus 48-53 2668035-0 1989 Conformational changes occurring in N-ras p21 in response to binding of guanine nucleotide and metal ions probed by proteolysis performed under controlled conditions. Guanine Nucleotides 72-90 H3 histone pseudogene 16 Homo sapiens 42-45 2668035-4 1989 Some capacity to bind guanine nucleotide is also retained by p21 treated with 7 M urea, as evidenced by increased resistance to proteolytic degradation, but the ability to bind divalent cations is irreversibly lost following denaturation. Guanine Nucleotides 22-40 H3 histone pseudogene 16 Homo sapiens 61-64 2475031-6 1989 Pretreatment with pertussis toxin (inactivates inhibitory guanine nucleotide binding proteins) reversed the inhibitory effect of somatostatin on the release of [3H]ACh evoked by CCK-8. Guanine Nucleotides 58-76 somatostatin Cavia porcellus 129-141 2502402-8 1989 The regulation of the formyl-peptide receptor binding properties by guanine nucleotides is independent of Gp activation, since inhibition of peptide binding is achieved by addition of both guanine nucleoside diphosphates and triphosphates and is readily seen both in the presence and in the absence of Mg2+. Guanine Nucleotides 68-87 mucin 7, secreted Homo sapiens 302-305 2507084-0 1989 Activation of the human neutrophil 5-lipoxygenase by exogenous arachidonic acid: involvement of pertussis toxin-sensitive guanine nucleotide-binding proteins. Guanine Nucleotides 122-140 arachidonate 5-lipoxygenase Homo sapiens 35-49 2557141-5 1989 These results are consistent with a regulatory role for guanine nucleotides in the function of the vascular VIP receptor. Guanine Nucleotides 56-75 vasoactive intestinal peptide Homo sapiens 108-111 2503507-4 1989 In contrast to the effect on AlF-4-stimulated activity, the stimulatory effect on phospholipase C of the P2Y-purinergic receptor agonist 2-methylthioadenosine 5"-triphosphate in the presence of guanine nucleotides was potentiated by 50-100% in a concentration-dependent manner by reconstitution of beta gamma subunits. Guanine Nucleotides 194-213 P2Y purinoceptor 1 Meleagris gallopavo 105-128 2519894-8 1989 Quinacrine, the inhibitor of phospholipase A2, completely inhibits carbachol- and guanine nucleotide-activated AA release and greatly (by about 60-70%) decreases Ca(2+)-dependent AA liberation from phosphatidylinositol. Guanine Nucleotides 82-100 phospholipase A2 group IB Homo sapiens 29-45 2550106-0 1989 Guanine nucleotide regulation of [125I]beta-endorphin binding to NG108-15 and SK-N-SH cell membranes: specific cation requirements. Guanine Nucleotides 0-18 pro-opiomelanocortin-alpha Mus musculus 39-53 2550106-0 1989 Guanine nucleotide regulation of [125I]beta-endorphin binding to NG108-15 and SK-N-SH cell membranes: specific cation requirements. Guanine Nucleotides 0-18 hedgehog acyltransferase Homo sapiens 78-82 2661226-2 1989 The guanine-nucleotide-binding domain (G domain) of elongation factor Tu(EF-Tu) consisting of 203 amino acid residues, corresponding to the N-terminal half of the molecule, has been recently engineered by deleting part of the tufA gene and partially characterized [Parmeggiani, A., Swart, G. W. M., Mortensen, K. K., Jensen, M., Clark, B. F. C., Dente, L. and Cortese, R. (1987) Proc. Guanine Nucleotides 4-22 eukaryotic translation elongation factor 1 alpha 1 Homo sapiens 52-72 2661226-2 1989 The guanine-nucleotide-binding domain (G domain) of elongation factor Tu(EF-Tu) consisting of 203 amino acid residues, corresponding to the N-terminal half of the molecule, has been recently engineered by deleting part of the tufA gene and partially characterized [Parmeggiani, A., Swart, G. W. M., Mortensen, K. K., Jensen, M., Clark, B. F. C., Dente, L. and Cortese, R. (1987) Proc. Guanine Nucleotides 4-22 eukaryotic translation elongation factor 1 alpha 1 Homo sapiens 73-78 2495280-0 1989 Guanine nucleotide-sensitive interaction of a radiolabeled agonist with a phospholipase C-linked P2y-purinergic receptor. Guanine Nucleotides 0-18 P2Y purinoceptor 1 Meleagris gallopavo 97-120 2543569-4 1989 It has previously been shown in other systems that phosphorylation of eIF-2 alpha slows the rate of recycling of eIF-2.GDP to eIF-2.GTP catalysed by the guanine nucleotide exchange factor eIF-2B. Guanine Nucleotides 153-171 eukaryotic translation initiation factor 2A Cricetulus griseus 70-81 2523468-4 1989 The data indicate that the inhibitory guanine nucleotide-binding protein or Go (a similar GTP-binding protein of unknown function purified from brain) mediates the 5-HT1A agonist inhibition of hippocampal adenylate cyclase. Guanine Nucleotides 38-56 5-hydroxytryptamine receptor 1A Rattus norvegicus 164-170 2501664-8 1989 The results demonstrate that TNF secretion is regulated by at least two distinct guanine nucleotide-binding proteins, one responsible for the activation of phospholipase C and another which acts as a substrate for botulinum toxin type D. ADP-ribosylation of monocyte membranes by botulinum toxin type D demonstrated the presence of three substrates with Mrs of 45,000, 21,000, and 17,000. Guanine Nucleotides 81-99 tumor necrosis factor Homo sapiens 29-32 2494166-0 1989 Effect of guanine nucleotides on the conformation and stability of chloroplast elongation factor Tu. Guanine Nucleotides 10-29 elongation factor 1-alpha Euglena gracilis 79-99 2494166-1 1989 The effect of guanine nucleotides and kirromycin on the conformation and stability of the chloroplast elongation factor Tu (EF-Tuchl) from Euglena gracilis has been investigated. Guanine Nucleotides 14-33 elongation factor 1-alpha Euglena gracilis 102-122 2565843-7 1989 Thus, in this gastrinoma patient, secretin and somatostatin appeared to act directly on gastrinoma cells to stimulate and inhibit gastrin secretion, respectively, by modulating adenylate cyclase activation, probably via guanine nucleotide-binding proteins. Guanine Nucleotides 220-238 secretin Homo sapiens 34-42 2503407-0 1989 Calmodulin modulates thymocyte adenylate cyclase activity through the guanine nucleotide regulatory unit. Guanine Nucleotides 70-88 calmodulin 1 Rattus norvegicus 0-10 2503407-11 1989 From these results I suggest that in the rat thymocyte calmodulin activation, and thereby T3 stimulation of the calcium-sensitive adenylate cyclase system is mediated through the guanine nucleotide regulatory unit. Guanine Nucleotides 179-197 calmodulin 1 Rattus norvegicus 55-65 2498879-1 1989 The products of the ras oncogenes (p21ras) are ubiquitous membrane-associated proteins that bind guanine nucleotides and possess an intrinsic GTPase activity. Guanine Nucleotides 97-116 HRas proto-oncogene, GTPase Rattus norvegicus 35-41 2541447-3 1989 This action of ANG-II was mimicked by guanosine 5"-[gamma-thio]triphosphate but not by cAMP, cGMP, inositol 1,4,5-trisphosphate, or phorbol ester, suggesting that ANG-II inhibits the potassium channel directly by means of a guanine nucleotide-binding regulatory protein or by means of an unusual type of second messenger. Guanine Nucleotides 224-242 angiotensinogen (serpin peptidase inhibitor, clade A, member 8) Mus musculus 15-21 2495280-1 1989 Analogs of ATP and ADP produce a guanine nucleotide-dependent activation of phospholipase C in turkey erythrocyte membranes with pharmacological properties consistent with those of a P2y-purinergic receptor (Boyer, J. L., Downes, C. P., and Harden, T.K. Guanine Nucleotides 33-51 P2Y purinoceptor 1 Meleagris gallopavo 183-206 2784421-4 1989 ras oncogenes activated through alterations in codon 12 which encode p21 molecules with impaired GTPase activity, or in codon 59 which produce p21 molecules that release bound guanine nucleotide faster, or in codon 61 which produce p21 having impaired GTPase activity and altered nucleotide release properties, are all able to induce the metastatic phenotype. Guanine Nucleotides 176-194 cyclin-dependent kinase inhibitor 1A (P21) Mus musculus 143-146 2545888-3 1989 The 125I-AII binding was rapid, saturable, reversible and modulated by divalent cations and guanine nucleotides. Guanine Nucleotides 92-111 angiotensinogen Homo sapiens 9-12 2925642-1 1989 During the process of transduction of a photon signal in vertebrate rod outer segments, transducin, a guanine nucleotide binding protein, mediates between a photobleaching intermediate of rhodopsin and a cGMP-phosphodiesterase. Guanine Nucleotides 102-120 rhodopsin Bos taurus 188-197 2784421-4 1989 ras oncogenes activated through alterations in codon 12 which encode p21 molecules with impaired GTPase activity, or in codon 59 which produce p21 molecules that release bound guanine nucleotide faster, or in codon 61 which produce p21 having impaired GTPase activity and altered nucleotide release properties, are all able to induce the metastatic phenotype. Guanine Nucleotides 176-194 cyclin-dependent kinase inhibitor 1A (P21) Mus musculus 143-146 2494654-1 1989 A structural model of guanine nucleotide-binding regulatory protein alpha subunits (G alpha subunits) is proposed based on the crystal structure of the catalytic domain of the human HRAS protein (p21ras). Guanine Nucleotides 22-40 HRas proto-oncogene, GTPase Homo sapiens 182-186 2521556-0 1989 Solubilization of a guanine nucleotide-sensitive form of vasopressin V2 receptors from porcine kidney. Guanine Nucleotides 20-38 arginine vasopressin Homo sapiens 57-68 2495434-14 1989 Because the amount of outward current elicited when these agonists were coperfused was significantly less than the algebraic sum of the currents evoked individually by these agents, we infer that a population of AD A1 and 5-HT1A receptors activates a common pool of guanine nucleotide-binding proteins. Guanine Nucleotides 266-284 5-hydroxytryptamine receptor 1A Rattus norvegicus 222-228 2547206-1 1989 Radioligand binding studies have previously identified a high affinity, magnesium-dependent, guanine nucleotide-sensitive binding site for corticotropin-releasing factor (CRF) in mouse spleen. Guanine Nucleotides 93-111 corticotropin releasing hormone Mus musculus 139-169 2494654-1 1989 A structural model of guanine nucleotide-binding regulatory protein alpha subunits (G alpha subunits) is proposed based on the crystal structure of the catalytic domain of the human HRAS protein (p21ras). Guanine Nucleotides 22-40 HRas proto-oncogene, GTPase Homo sapiens 196-202 2537115-0 1989 Involvement of guanine nucleotide binding proteins in neutrophil activation and priming by GM-CSF. Guanine Nucleotides 15-33 colony stimulating factor 2 Homo sapiens 91-97 3049052-0 1988 Calcitonin gene-related peptide stimulates adenylate cyclase activation via a guanine nucleotide-dependent process in rat liver plasma membranes. Guanine Nucleotides 78-96 calcitonin-related polypeptide alpha Rattus norvegicus 0-31 2563928-3 1989 The ability of pertussis toxin to reverse selectively the inhibitory effect of somatostatin on histamine-stimulated acid secretion is consistent with the ability of pertussis toxin to inactivate a guanine nucleotide binding protein, which couples somatostatin receptors to inhibition of adenylate cyclase; histamine, but not gastrin, stimulates acid secretion via activation of adenylate cyclase. Guanine Nucleotides 197-215 somatostatin Mus musculus 79-91 2563928-3 1989 The ability of pertussis toxin to reverse selectively the inhibitory effect of somatostatin on histamine-stimulated acid secretion is consistent with the ability of pertussis toxin to inactivate a guanine nucleotide binding protein, which couples somatostatin receptors to inhibition of adenylate cyclase; histamine, but not gastrin, stimulates acid secretion via activation of adenylate cyclase. Guanine Nucleotides 197-215 somatostatin Mus musculus 247-259 2537401-8 1989 These results suggest that in differentiated U-937 cells PAF receptor is coupled through a pertussis toxin-insensitive guanine nucleotide binding protein to a phosphoinositide specific phospholipase C. Inositol-trisphosphate, and possibly diacylglycerol, could be the intracellular messengers for PAF receptor in U-937 cells. Guanine Nucleotides 119-137 PCNA clamp associated factor Homo sapiens 57-60 2491852-13 1989 Taken together, the results of GTP and eIF-2.GDP binding to GEF and the pattern of the double-reciprocal plots strongly suggest that the guanine nucleotide exchange reaction follows a sequential mechanism. Guanine Nucleotides 137-155 eukaryotic translation initiation factor 2 subunit beta Homo sapiens 39-44 2491852-13 1989 Taken together, the results of GTP and eIF-2.GDP binding to GEF and the pattern of the double-reciprocal plots strongly suggest that the guanine nucleotide exchange reaction follows a sequential mechanism. Guanine Nucleotides 137-155 Ras protein specific guanine nucleotide releasing factor 1 Homo sapiens 60-63 2535812-2 1989 PYY and neuropeptide Y (NPY) bound with high affinity to crude membrane preparations from the hippocampus, but their C-terminal fragments bound with 30- to 450-fold lower affinity Guanine nucleotides, especially the nonhydrolyzable GTP analog GTP gammas inhibited the binding of [125I]PYY, but other transmitters, hormones, and central nervous system-acting drugs did not, except for gangliosides at high concentrations. Guanine Nucleotides 180-199 neuropeptide Y Homo sapiens 8-22 2562826-8 1989 5) Ca2+ (0.5-11.9 microM) produced concentration-dependent inhibition of basal (up to 28%) and GRF-stimulated (up to 47%) cyclase activities; the inhibitory effect of Ca2+ was accompanied by a decrement (2- to 3-fold) in the apparent affinities of the enzyme for both GRF and guanine nucleotide. Guanine Nucleotides 276-294 growth hormone releasing hormone Rattus norvegicus 95-98 2535990-0 1989 Guanine nucleotide-dependent, pertussis toxin-insensitive regulation of phosphoinositide turnover by bradykinin in bovine pulmonary artery endothelial cells. Guanine Nucleotides 0-18 kininogen 1 Bos taurus 101-111 3062576-2 1988 The amino acid sequence of the 48 kDalton CDC6 gene product, as deduced from DNA sequence data, includes the three consensus peptide motifs involved in guanine nucleotide binding and GTPase activity, a target site for cAMP-dependent protein kinase and a carboxy-terminal domain related to metallothionein sequences. Guanine Nucleotides 152-170 AAA family ATPase CDC6 Saccharomyces cerevisiae S288C 42-46 2848262-6 1988 Whereas cAMP, AMP, ADP, and ATP were ineffective, all of the corresponding guanine nucleotides potentiated PKCa channel activity when tested at a high concentration (500 microM). Guanine Nucleotides 75-94 protein kinase C alpha Bos taurus 107-111 2521556-8 1989 Addition of guanine nucleotides such as GTP gamma S decreased the specific binding of [3H]arginine vasopressin to these solubilized fractions in a dose-dependent manner, suggesting the solubilization of a V2 receptor-G protein complex. Guanine Nucleotides 12-31 arginine vasopressin Homo sapiens 99-110 2492665-1 1989 RAS1 and RAS2 proteins of Saccharomyces cerevisiae are guanine nucleotide-binding proteins involved in the regulation of adenylate cyclase. Guanine Nucleotides 55-73 Ras family GTPase RAS1 Saccharomyces cerevisiae S288C 0-4 2492665-1 1989 RAS1 and RAS2 proteins of Saccharomyces cerevisiae are guanine nucleotide-binding proteins involved in the regulation of adenylate cyclase. Guanine Nucleotides 55-73 Ras family GTPase RAS2 Saccharomyces cerevisiae S288C 9-13 2492665-1 1989 RAS1 and RAS2 proteins of Saccharomyces cerevisiae are guanine nucleotide-binding proteins involved in the regulation of adenylate cyclase. Guanine Nucleotides 55-73 adenylate cyclase Saccharomyces cerevisiae S288C 121-138 2491843-1 1989 The protein products of the mammalian ras genes, p21ras, are regulatory guanine nucleotide binding proteins that are involved in the control of cell proliferation, though the exact biochemical processes regulated are unknown. Guanine Nucleotides 72-90 HRas proto-oncogene, GTPase Homo sapiens 49-55 2562826-4 1989 1) GRF caused guanine nucleotide-dependent concentration-related (Ka, approximately 10(-8) M) stimulation of adenylate cyclase activity. Guanine Nucleotides 14-32 growth hormone releasing hormone Rattus norvegicus 3-6 2562826-5 1989 2) Guanine nucleotides were effective in stimulating cyclase in the absence of GRF; the concentration of guanine nucleotide required for half-maximal stimulation was decreased more than 10-fold in the presence of GRF. Guanine Nucleotides 3-22 growth hormone releasing hormone Rattus norvegicus 213-216 2562826-5 1989 2) Guanine nucleotides were effective in stimulating cyclase in the absence of GRF; the concentration of guanine nucleotide required for half-maximal stimulation was decreased more than 10-fold in the presence of GRF. Guanine Nucleotides 105-123 growth hormone releasing hormone Rattus norvegicus 213-216 2463183-1 1988 To clarify the possible role of a guanine nucleotide regulatory protein in the signal transducing system activated by cholecystokinin (CCK), the actions of CCK on rat pancreatic acini were compared with those of NaF, which is a well-known activator of stimulatory and inhibitory guanine nucleotide regulatory proteins. Guanine Nucleotides 34-52 cholecystokinin Rattus norvegicus 118-133 2463183-1 1988 To clarify the possible role of a guanine nucleotide regulatory protein in the signal transducing system activated by cholecystokinin (CCK), the actions of CCK on rat pancreatic acini were compared with those of NaF, which is a well-known activator of stimulatory and inhibitory guanine nucleotide regulatory proteins. Guanine Nucleotides 34-52 cholecystokinin Rattus norvegicus 135-138 2463183-2 1988 Guanine nucleotides reduced the binding of 125I-CCK-octapeptide (CCK8) to acinar cell membranes, with the rank order of potency being guanyl-5"-yl imidodiphosphate (Gpp(NH)p) greater than GTP greater than GDP greater than GMP. Guanine Nucleotides 0-19 cholecystokinin Rattus norvegicus 48-51 3049052-4 1988 On the other hand, guanine nucleotides not only decreased 125I-[Tyr0]rat CGRP binding to rat liver plasma membranes, but also accelerated the dissociation of label binding, and the removal of Mg2+ from incubation medium attenuated this inhibitory action of GTP on 125I-[Tyr0]rat CGRP binding to membranes. Guanine Nucleotides 19-38 calcitonin-related polypeptide alpha Rattus norvegicus 73-77 3049052-4 1988 On the other hand, guanine nucleotides not only decreased 125I-[Tyr0]rat CGRP binding to rat liver plasma membranes, but also accelerated the dissociation of label binding, and the removal of Mg2+ from incubation medium attenuated this inhibitory action of GTP on 125I-[Tyr0]rat CGRP binding to membranes. Guanine Nucleotides 19-38 calcitonin-related polypeptide alpha Rattus norvegicus 279-283 3049052-6 1988 These findings lead us to conclude that binding of CGRP to its receptors activates adenylate cyclase in rat liver plasma membranes via a guanine nucleotide-dependent process, suggesting the involvement of guanine nucleotide-binding stimulatory protein in the action of CGRP. Guanine Nucleotides 137-155 calcitonin-related polypeptide alpha Rattus norvegicus 51-55 3049052-6 1988 These findings lead us to conclude that binding of CGRP to its receptors activates adenylate cyclase in rat liver plasma membranes via a guanine nucleotide-dependent process, suggesting the involvement of guanine nucleotide-binding stimulatory protein in the action of CGRP. Guanine Nucleotides 205-223 calcitonin-related polypeptide alpha Rattus norvegicus 51-55 3049052-6 1988 These findings lead us to conclude that binding of CGRP to its receptors activates adenylate cyclase in rat liver plasma membranes via a guanine nucleotide-dependent process, suggesting the involvement of guanine nucleotide-binding stimulatory protein in the action of CGRP. Guanine Nucleotides 205-223 calcitonin-related polypeptide alpha Rattus norvegicus 269-273 2844595-2 1988 ADP-ribosylation of membrane-bound p22 was potentiated by 2 mM MgCl2 or guanine nucleotides but was much reduced in the presence of 10 mM Mg2+ plus GTP gamma S. p22 was immunoprecipitated by a monoclonal antibody (142-24E05) raised against a peptide sequence common to the ras gene family but not by other ras or G-protein antibodies. Guanine Nucleotides 72-91 TBP-associated factor 12 Drosophila melanogaster 35-38 3139989-14 1988 Gpp(NH)p sensitivity of agonist displacement of 5-HT1B binding to NEM-treated membranes is restored by addition of purified guanine nucleotide binding proteins (Gi plus Go). Guanine Nucleotides 124-142 5-hydroxytryptamine receptor 1B Rattus norvegicus 48-54 2844595-2 1988 ADP-ribosylation of membrane-bound p22 was potentiated by 2 mM MgCl2 or guanine nucleotides but was much reduced in the presence of 10 mM Mg2+ plus GTP gamma S. p22 was immunoprecipitated by a monoclonal antibody (142-24E05) raised against a peptide sequence common to the ras gene family but not by other ras or G-protein antibodies. Guanine Nucleotides 72-91 TBP-associated factor 12 Drosophila melanogaster 161-164 3135549-5 1988 Deduced amino acid sequences of ARF, Go alpha (the alpha subunit of a G protein that may be involved in regulation of ion fluxes), and c-Ha-ras gene product p21 show similarities in regions believed to be involved in guanine nucleotide binding and GTP hydrolysis. Guanine Nucleotides 217-235 cyclin dependent kinase inhibitor 1A Bos taurus 157-160 3138543-1 1988 The recent cloning of the complementary DNAs and/or genes for several receptors linked to guanine nucleotide regulatory proteins including the adrenergic receptors (alpha 1, alpha 2A, alpha 2B, beta 1, beta 2), several subtypes of the muscarinic cholinergic receptors, and the visual "receptor" rhodopsin has revealed considerable similarity in the primary structure of these proteins. Guanine Nucleotides 90-108 adrenoceptor alpha 1D Homo sapiens 165-182 3138543-1 1988 The recent cloning of the complementary DNAs and/or genes for several receptors linked to guanine nucleotide regulatory proteins including the adrenergic receptors (alpha 1, alpha 2A, alpha 2B, beta 1, beta 2), several subtypes of the muscarinic cholinergic receptors, and the visual "receptor" rhodopsin has revealed considerable similarity in the primary structure of these proteins. Guanine Nucleotides 90-108 potassium calcium-activated channel subfamily M regulatory beta subunit 1 Homo sapiens 184-200 3138543-1 1988 The recent cloning of the complementary DNAs and/or genes for several receptors linked to guanine nucleotide regulatory proteins including the adrenergic receptors (alpha 1, alpha 2A, alpha 2B, beta 1, beta 2), several subtypes of the muscarinic cholinergic receptors, and the visual "receptor" rhodopsin has revealed considerable similarity in the primary structure of these proteins. Guanine Nucleotides 90-108 potassium calcium-activated channel subfamily M regulatory beta subunit 2 Homo sapiens 202-208 3138543-1 1988 The recent cloning of the complementary DNAs and/or genes for several receptors linked to guanine nucleotide regulatory proteins including the adrenergic receptors (alpha 1, alpha 2A, alpha 2B, beta 1, beta 2), several subtypes of the muscarinic cholinergic receptors, and the visual "receptor" rhodopsin has revealed considerable similarity in the primary structure of these proteins. Guanine Nucleotides 90-108 rhodopsin Homo sapiens 295-304 3042464-9 1988 Then we analyzed the guanine nucleotide bound to p21 in the intact PC12 cells. Guanine Nucleotides 21-39 KRAS proto-oncogene, GTPase Rattus norvegicus 49-52 2838525-9 1988 These results demonstrate that bradykinin binds to its receptor and activates a membrane-associated PLC through a pertussis toxin-sensitive, guanine nucleotide protein. Guanine Nucleotides 141-159 kininogen 1 Canis lupus familiaris 31-41 3293799-4 1988 Transport is inhibited by the guanine nucleotide analog GTP gamma S. sec23 mutant cells have a temperature-sensitive defect in endoplasmic reticulum-to-Golgi transport in vivo. Guanine Nucleotides 30-48 GTPase-activating protein SEC23 Saccharomyces cerevisiae S288C 69-74 2837635-6 1988 In contrast, the cholera toxin-treated membranes demonstrated a partial reduction in the activity of TRH-induced low Km GTPase activity and a 10-fold increase in the concentration of guanine nucleotide required for a half-maximal effect in regulating the TRH receptor affinity for [3H]methyl-TRH. Guanine Nucleotides 183-201 thyrotropin releasing hormone Rattus norvegicus 101-104 2837635-6 1988 In contrast, the cholera toxin-treated membranes demonstrated a partial reduction in the activity of TRH-induced low Km GTPase activity and a 10-fold increase in the concentration of guanine nucleotide required for a half-maximal effect in regulating the TRH receptor affinity for [3H]methyl-TRH. Guanine Nucleotides 183-201 thyrotropin releasing hormone receptor Rattus norvegicus 255-267 2837635-6 1988 In contrast, the cholera toxin-treated membranes demonstrated a partial reduction in the activity of TRH-induced low Km GTPase activity and a 10-fold increase in the concentration of guanine nucleotide required for a half-maximal effect in regulating the TRH receptor affinity for [3H]methyl-TRH. Guanine Nucleotides 183-201 thyrotropin releasing hormone Rattus norvegicus 255-258 3129188-8 1988 Therefore, it was concluded that this guanine nucleotide-binding protein isolated from neuroblastoma was very similar, if not identical, to brain G(o) alpha. Guanine Nucleotides 38-56 tripartite motif containing 47 Homo sapiens 146-156 2837214-5 1988 These data suggest that a guanine nucleotide inhibitory (Gi) protein couples 5HT receptor to phospholipase C and TPA modulates 5HT-stimulated hydrolysis of inositol phospholipids in cultured VSMC through activation of PKC. Guanine Nucleotides 26-44 LOC100009319 Oryctolagus cuniculus 93-108 2967696-0 1988 Guanine nucleotide-, and inositol triphosphate-induced inhibition of the CA2+ pump in rat heart sarcolemmal vesicles. Guanine Nucleotides 0-18 carbonic anhydrase 2 Rattus norvegicus 73-76 3384017-3 1988 We have probed rat rod outer segment proteins with light-activated (azido-labeled) radioactive nucleotides and found a nucleotide binding site(s) on the rim protein which has a preference for guanine nucleotides. Guanine Nucleotides 192-211 RB binding protein 8, endonuclease Rattus norvegicus 153-156 2835009-0 1988 Guanine nucleotide regulation of the interconversion of the two-state hepatic glucagon receptor system of rat. Guanine Nucleotides 0-18 glucagon receptor Rattus norvegicus 78-95 3356694-0 1988 The effect of Mg2+ and guanine nucleotide exchange factor on the binding of guanine nucleotides to eukaryotic initiation factor 2. Guanine Nucleotides 76-95 mucin 7, secreted Homo sapiens 14-17 3356694-3 1988 Measurement of the parameters for guanine nucleotide binding to eIF-2 is critical to understanding the control of protein synthesis by fluctuations in cellular energy levels. Guanine Nucleotides 34-52 eukaryotic translation initiation factor 2 subunit beta Homo sapiens 64-69 3356694-0 1988 The effect of Mg2+ and guanine nucleotide exchange factor on the binding of guanine nucleotides to eukaryotic initiation factor 2. Guanine Nucleotides 76-95 eukaryotic translation initiation factor 2 subunit beta Homo sapiens 99-129 3356695-7 1988 This mechanism proposes the existence of a GEF.eIF-2.GDP complex and excludes the possibility of two guanine nucleotide binding sites on eIF-2. Guanine Nucleotides 101-119 eukaryotic translation initiation factor 2, subunit 2 (beta) Mus musculus 137-142 3390898-3 1988 The guanine nucleotide binding regulatory Gi protein inhibitor, pertussis toxin (PT) prevented the enhancing effect of KE and FMLP on PMNL free calcium of healthy middle-aged subjects, but could not completely abolish the [Ca2+]i elevation in PMNLs of aged subjects. Guanine Nucleotides 4-22 formyl peptide receptor 1 Homo sapiens 126-130 2453065-0 1988 Guanine nucleotide-binding protein Go-induced coupling of neuropeptide Y receptors to Ca2+ channels in sensory neurons. Guanine Nucleotides 0-18 neuropeptide Y Rattus norvegicus 58-72 3042385-1 1988 The Saccharomyces cerevisiae YPT1 gene codes for a ras-like, guanine nucleotide-binding protein which is essential for cell viability. Guanine Nucleotides 61-79 Rab family GTPase YPT1 Saccharomyces cerevisiae S288C 29-33 3339364-4 1988 The binding of [3H]neurotensin was decreased by cations (monovalent and divalent) and by a nonhydrolysable guanine nucleotide analogue. Guanine Nucleotides 107-125 neurotensin Bos taurus 19-30 2830910-0 1988 Guanine nucleotide regulation of adenylate cyclase in permeabilized cells of Saccharomyces cerevisiae. Guanine Nucleotides 0-18 adenylate cyclase Saccharomyces cerevisiae S288C 33-50 2965583-0 1988 Differential coupling of smooth muscle and liver vasopressin (V1) receptors to guanine nucleotide binding proteins. Guanine Nucleotides 79-97 arginine vasopressin Homo sapiens 49-60 2965583-1 1988 We report the reconstitution of the smooth muscle vasopressin V1 receptor functionally coupled to a pertussis toxin-insensitive guanine nucleotide-binding protein. Guanine Nucleotides 128-146 arginine vasopressin Homo sapiens 50-61 3339364-9 1988 The solubilized [3H]-neurotensin activity retained its sensitivity to cations and guanine nucleotide. Guanine Nucleotides 82-100 neurotensin Bos taurus 21-32 2831352-10 1988 Furthermore, the possibility is raised that phospholipase A2 is regulated by both stimulatory and inhibitory guanine nucleotide binding proteins. Guanine Nucleotides 109-127 phospholipase A2, group IB, pancreas Mus musculus 44-60 2900071-0 1988 Dual regulation of ACTH secretion by guanine nucleotides in permeabilized AtT-20 cells. Guanine Nucleotides 37-56 pro-opiomelanocortin-alpha Mus musculus 19-23 2900071-7 1988 Nonhydrolyzable guanine nucleotides also stimulated ACTH release, in a virtually Ca2+-free medium. Guanine Nucleotides 16-35 pro-opiomelanocortin-alpha Mus musculus 52-56 2831881-0 1988 Direct interaction between membrane-associated nucleoside diphosphate kinase and GTP-binding protein(Gs), and its regulation by hormones and guanine nucleotides. Guanine Nucleotides 141-160 RAS like proto-oncogene B Rattus norvegicus 81-100 3135154-1 1988 Information available at present documents the existence of three well-defined classes of guanine nucleotide binding proteins functioning as signal transducers: Gs and Gi which stimulate and inhibit adenylate cyclase, respectively, and transducin which transmits and amplifies the signal from light-activated rhodopsin to cGMP-dependent phosphodiesterase in ROS membranes. Guanine Nucleotides 90-108 rhodopsin Bos taurus 309-318 3140742-1 1988 The ras oncogene product ras p21 is structurally homologous to guanine nucleotide-binding proteins and plays an important role in transducing signals elicited by membrane receptors into intracellular metabolism. Guanine Nucleotides 63-81 H3 histone pseudogene 16 Homo sapiens 29-32 3152020-0 1988 Signal transduction by guanine nucleotide-binding proteins: possible molecular basis for multiple forms of Go alpha mRNA. Guanine Nucleotides 23-41 tripartite motif containing 47 Homo sapiens 107-115 2821624-1 1987 The role of guanine nucleotides in ras p21 function was determined by using the ability of p21 protein to induce maturation of Xenopus oocytes as a quantitative assay for biological activity. Guanine Nucleotides 12-31 cyclin-dependent kinase inhibitor 1A L homeolog Xenopus laevis 39-42 3127202-4 1987 Amino acid sequences typical for guanine nucleotide-binding proteins and characteristic for ypt proteins are perfectly conserved in the mouse ypt1 protein. Guanine Nucleotides 33-51 RAB1A, member RAS oncogene family Mus musculus 142-146 3120720-5 1987 These results indicate that arachidonate release and DG formation are differently affected by these agents acting on guanine nucleotide binding proteins (G-proteins), suggesting that the distinct G proteins modulate the activity of phospholipase C and phospholipase A2. Guanine Nucleotides 117-135 phospholipase A2 group IB Homo sapiens 252-268 3126197-3 1987 The following lines of experimental evidence collectively suggest that CTX receptors are coupled to phospholipase C via a guanine nucleotide binding (G) protein. Guanine Nucleotides 122-140 cytochrome P450 family 27 subfamily A member 1 Homo sapiens 71-74 3126197-5 1987 Studies with both PMN particulate fractions and with partially purified fMet-Leu-Phe receptor preparations indicate that guanine nucleotides regulate CTX receptor affinity. Guanine Nucleotides 121-140 formyl peptide receptor 1 Homo sapiens 72-93 3126197-5 1987 Studies with both PMN particulate fractions and with partially purified fMet-Leu-Phe receptor preparations indicate that guanine nucleotides regulate CTX receptor affinity. Guanine Nucleotides 121-140 cytochrome P450 family 27 subfamily A member 1 Homo sapiens 150-153 3325773-3 1987 The product of the 3"-terminal 2.1 kb region of CYR1 showed guanine nucleotide-dependent adenylate cyclase activity and produced a large amount of cAMP in the presence of the RAS gene. Guanine Nucleotides 60-78 adenylate cyclase Saccharomyces cerevisiae S288C 48-52 3038870-7 1987 The same holds true for NaF and guanosine 5"-(beta, gamma-imido)trisphosphate, indicating a constant activity of the guanine nucleotide regulatory unit which mediates hormonal stimulation of adenylate cyclase (Ns). Guanine Nucleotides 117-135 C-X-C motif chemokine ligand 8 Homo sapiens 24-27 2829061-0 1987 Guanine nucleotide regulation of receptor binding of thyrotropin-releasing hormone (TRH) in rat brain regions, retina and pituitary. Guanine Nucleotides 0-18 thyrotropin releasing hormone Rattus norvegicus 53-82 2829061-0 1987 Guanine nucleotide regulation of receptor binding of thyrotropin-releasing hormone (TRH) in rat brain regions, retina and pituitary. Guanine Nucleotides 0-18 thyrotropin releasing hormone Rattus norvegicus 84-87 2829061-1 1987 Guanine nucleotides inhibited the specific binding of [3H](3-Me-His2)thyrotropin-releasing hormone ([3H]MeTRH) to receptors for TRH in washed homogenates of rat anterior pituitary gland in a dose-related manner. Guanine Nucleotides 0-19 thyrotropin releasing hormone Rattus norvegicus 69-98 2829061-1 1987 Guanine nucleotides inhibited the specific binding of [3H](3-Me-His2)thyrotropin-releasing hormone ([3H]MeTRH) to receptors for TRH in washed homogenates of rat anterior pituitary gland in a dose-related manner. Guanine Nucleotides 0-19 thyrotropin releasing hormone Rattus norvegicus 106-109 2829061-6 1987 These data suggest that TRH receptor binding can be allosterically regulated by guanine nucleotides and provide further evidence for the existence of guanine nucleotide binding protein(s) coupled to the TRH receptor. Guanine Nucleotides 80-99 thyrotropin releasing hormone Rattus norvegicus 24-27 2829061-6 1987 These data suggest that TRH receptor binding can be allosterically regulated by guanine nucleotides and provide further evidence for the existence of guanine nucleotide binding protein(s) coupled to the TRH receptor. Guanine Nucleotides 80-99 thyrotropin releasing hormone Rattus norvegicus 203-206 3304619-2 1987 Treatment of cells with an inhibitor of guanine nucleotide biosynthesis, mycophenolic acid, enhanced detection of GFAP by indirect immunofluorescence microscopy. Guanine Nucleotides 40-58 glial fibrillary acidic protein Homo sapiens 114-118 3036863-9 1987 These data support the proposal that activation of the TRH receptor enhances turnover of guanine nucleotides at the binding protein coupling the receptor to phospholipase C. In addition, GTP gamma S diminished high affinity [3H]Me-TRH binding. Guanine Nucleotides 89-108 thyrotropin releasing hormone Rattus norvegicus 55-58 3036863-9 1987 These data support the proposal that activation of the TRH receptor enhances turnover of guanine nucleotides at the binding protein coupling the receptor to phospholipase C. In addition, GTP gamma S diminished high affinity [3H]Me-TRH binding. Guanine Nucleotides 89-108 thyrotropin releasing hormone Rattus norvegicus 231-234 3328019-3 1987 Furthermore, it has been shown that residues 16, 116 and 119 in p21 played critical roles in the guanine nucleotide binding and, consequently, the ability of the protein to induce changes characteristic of cellular transformation. Guanine Nucleotides 97-115 H3 histone pseudogene 16 Homo sapiens 64-67 3118356-3 1987 It is shown that cholate extracts from cholera toxin-treated brush border membranes can efficiently reconstitute adenylyl cyclase activity in the guanine nucleotide-binding regulatory component (Gs)-deficient cyc- variant of the S49 mouse lymphoma cell line (cyc- cells lack the alpha subunit of Gs needed to activate the catalytic subunit of adenylyl cyclase). Guanine Nucleotides 146-164 peptidylprolyl isomerase A, pseudogene 1 Mus musculus 122-125 3118356-3 1987 It is shown that cholate extracts from cholera toxin-treated brush border membranes can efficiently reconstitute adenylyl cyclase activity in the guanine nucleotide-binding regulatory component (Gs)-deficient cyc- variant of the S49 mouse lymphoma cell line (cyc- cells lack the alpha subunit of Gs needed to activate the catalytic subunit of adenylyl cyclase). Guanine Nucleotides 146-164 peptidylprolyl isomerase A, pseudogene 1 Mus musculus 209-212 3114834-2 1987 In plasma membranes, guanine nucleotides both inhibited CCK binding and increased the dissociation of CCK from its receptor. Guanine Nucleotides 21-40 cholecystokinin Homo sapiens 56-59 3114834-2 1987 In plasma membranes, guanine nucleotides both inhibited CCK binding and increased the dissociation of CCK from its receptor. Guanine Nucleotides 21-40 cholecystokinin Homo sapiens 102-105 3114834-4 1987 When membranes were solubilized with digitonin, subsequent binding of CCK was insensitive to guanine nucleotides including GTP, GMP-PNP and GTP gamma S. However, if CCK binding occurred before solubilization of the membranes, guanine nucleotides increased dissociation at concentrations and with a specificity similar to that observed for effects on intact pancreatic membranes. Guanine Nucleotides 226-245 cholecystokinin Homo sapiens 70-73 3114834-5 1987 It is concluded that guanine nucleotides act via a protein which is separable from the receptor to induce dissociation of bound CCK. Guanine Nucleotides 21-40 cholecystokinin Homo sapiens 128-131 3114834-6 1987 Moreover, CCK binding induces an association in the plasma membrane of the CCK receptor with this guanine nucleotide binding protein. Guanine Nucleotides 98-116 cholecystokinin Homo sapiens 10-13 3114834-6 1987 Moreover, CCK binding induces an association in the plasma membrane of the CCK receptor with this guanine nucleotide binding protein. Guanine Nucleotides 98-116 cholecystokinin Homo sapiens 75-78 3112556-0 1987 Calmodulin stimulation of the rat cerebral cortical adenylate cyclase is required for the detection of guanine nucleotide- or hormone-mediated inhibition. Guanine Nucleotides 103-121 calmodulin 1 Rattus norvegicus 0-10 3112556-11 1987 As observed in membranes, detection of guanine nucleotide-mediated inhibition required calmodulin stimulation of the detergent-solubilized adenylate cyclase. Guanine Nucleotides 39-57 calmodulin 1 Rattus norvegicus 87-97 3109905-5 1987 The Mg2+ impairment of guanine nucleotide exchange is less severe when highly purified eIF-2 is incubated at a higher temperature (37 degrees C) and is not observed at any temperature if partially purified eIF-2 is used instead of the highly purified factor. Guanine Nucleotides 23-41 eukaryotic translation initiation factor 2 subunit beta Drosophila melanogaster 87-92 3112365-8 1987 The results suggest that in A10 cells a guanine nucleotide binding protein sensitive to NEM couples vasopressin receptors to phospholipase C. Guanine Nucleotides 40-58 arginine vasopressin Rattus norvegicus 100-111 2954955-0 1987 Reconstitution of the rat liver vasopressin receptor coupled to guanine nucleotide-binding proteins. Guanine Nucleotides 64-82 arginine vasopressin Rattus norvegicus 32-43 3036146-5 1987 These results suggest that: one of the signalling pathways for actin polymerization involves a guanine-nucleotide binding protein; actin polymerization mediated through this pathway is rapid, transient and inhibitable by pertussis toxin, and a second signalling pathway is independent of this guanine-nucleotide binding protein; actin polymerization, mediated by this second pathway, is somewhat slower, sustained and insensitive to pertussis toxin. Guanine Nucleotides 95-113 actin Oryctolagus cuniculus 63-68 3036146-5 1987 These results suggest that: one of the signalling pathways for actin polymerization involves a guanine-nucleotide binding protein; actin polymerization mediated through this pathway is rapid, transient and inhibitable by pertussis toxin, and a second signalling pathway is independent of this guanine-nucleotide binding protein; actin polymerization, mediated by this second pathway, is somewhat slower, sustained and insensitive to pertussis toxin. Guanine Nucleotides 95-113 actin Oryctolagus cuniculus 131-136 3036146-5 1987 These results suggest that: one of the signalling pathways for actin polymerization involves a guanine-nucleotide binding protein; actin polymerization mediated through this pathway is rapid, transient and inhibitable by pertussis toxin, and a second signalling pathway is independent of this guanine-nucleotide binding protein; actin polymerization, mediated by this second pathway, is somewhat slower, sustained and insensitive to pertussis toxin. Guanine Nucleotides 95-113 actin Oryctolagus cuniculus 131-136 3036146-5 1987 These results suggest that: one of the signalling pathways for actin polymerization involves a guanine-nucleotide binding protein; actin polymerization mediated through this pathway is rapid, transient and inhibitable by pertussis toxin, and a second signalling pathway is independent of this guanine-nucleotide binding protein; actin polymerization, mediated by this second pathway, is somewhat slower, sustained and insensitive to pertussis toxin. Guanine Nucleotides 293-311 actin Oryctolagus cuniculus 63-68 3036146-5 1987 These results suggest that: one of the signalling pathways for actin polymerization involves a guanine-nucleotide binding protein; actin polymerization mediated through this pathway is rapid, transient and inhibitable by pertussis toxin, and a second signalling pathway is independent of this guanine-nucleotide binding protein; actin polymerization, mediated by this second pathway, is somewhat slower, sustained and insensitive to pertussis toxin. Guanine Nucleotides 293-311 actin Oryctolagus cuniculus 131-136 3036146-5 1987 These results suggest that: one of the signalling pathways for actin polymerization involves a guanine-nucleotide binding protein; actin polymerization mediated through this pathway is rapid, transient and inhibitable by pertussis toxin, and a second signalling pathway is independent of this guanine-nucleotide binding protein; actin polymerization, mediated by this second pathway, is somewhat slower, sustained and insensitive to pertussis toxin. Guanine Nucleotides 293-311 actin Oryctolagus cuniculus 131-136 3109905-1 1987 Two mechanisms for guanine nucleotide exchange on eukaryotic initiation factor 2. Guanine Nucleotides 19-37 lodestar Drosophila melanogaster 72-80 3109905-2 1987 The mechanism for guanine nucleotide exchange with eukaryotic initiation factor-2 (eIF-2) from Drosophila melanogaster embryos was studied using the reaction eIF-2 X [3H]GDP + GDP (GTP) in equilibrium eIF-2 X GDP (GTP) + [3H]GDP. Guanine Nucleotides 18-36 eukaryotic translation initiation factor 2 subunit beta Drosophila melanogaster 51-81 3109905-2 1987 The mechanism for guanine nucleotide exchange with eukaryotic initiation factor-2 (eIF-2) from Drosophila melanogaster embryos was studied using the reaction eIF-2 X [3H]GDP + GDP (GTP) in equilibrium eIF-2 X GDP (GTP) + [3H]GDP. Guanine Nucleotides 18-36 eukaryotic translation initiation factor 2 subunit beta Drosophila melanogaster 83-88 3109905-2 1987 The mechanism for guanine nucleotide exchange with eukaryotic initiation factor-2 (eIF-2) from Drosophila melanogaster embryos was studied using the reaction eIF-2 X [3H]GDP + GDP (GTP) in equilibrium eIF-2 X GDP (GTP) + [3H]GDP. Guanine Nucleotides 18-36 eukaryotic translation initiation factor 2 subunit beta Drosophila melanogaster 158-163 3109905-2 1987 The mechanism for guanine nucleotide exchange with eukaryotic initiation factor-2 (eIF-2) from Drosophila melanogaster embryos was studied using the reaction eIF-2 X [3H]GDP + GDP (GTP) in equilibrium eIF-2 X GDP (GTP) + [3H]GDP. Guanine Nucleotides 18-36 eukaryotic translation initiation factor 2 subunit beta Drosophila melanogaster 158-163 3108035-2 1987 After antigenic stimulation or intracellular perfusion with guanine nucleotides, exocytosis followed a time course characterized by a lag period d, area expansion factor A, and a time constant tau. Guanine Nucleotides 60-79 general transcription factor III A Rattus norvegicus 163-171 3040428-0 1987 N-ethylmaleimide blocks the modulatory effects of divalent cations and guanine nucleotides on the brain substance P receptor. Guanine Nucleotides 71-90 tachykinin receptor 1 Rattus norvegicus 104-124 3299060-3 1987 The response of the enzyme to added RAS2 proteins bound with various guanine nucleotides and their analogs suggests that RAS2 proteins are active in their GTP-bound form and are virtually inactive in their GDP-bound form. Guanine Nucleotides 69-88 Ras family GTPase RAS2 Saccharomyces cerevisiae S288C 36-40 3299060-3 1987 The response of the enzyme to added RAS2 proteins bound with various guanine nucleotides and their analogs suggests that RAS2 proteins are active in their GTP-bound form and are virtually inactive in their GDP-bound form. Guanine Nucleotides 69-88 Ras family GTPase RAS2 Saccharomyces cerevisiae S288C 121-125 3034880-2 1987 The adenylyl cyclase system of the yeast Saccharomyces cerevisiae contains the CYR1 polypeptide, responsible for catalyzing formation of cAMP from ATP, and two RAS polypeptides, responsible for stimulation of cAMP synthesis by guanine nucleotides. Guanine Nucleotides 227-246 adenylate cyclase Saccharomyces cerevisiae S288C 79-83 3106961-10 1987 There are also marked similarities of sequence in regions of the G proteins, elongation factors, and the ras p21 gene products that are believed to be involved in guanine nucleotide binding and GTP hydrolysis. Guanine Nucleotides 163-181 cyclin dependent kinase inhibitor 1A Bos taurus 109-112 3554231-2 1987 The G domain, whose primary structure shares homology with the eukaryotic protein p21, is capable of supporting the basic activities of the intact molecule (guanine nucleotide binding in 1:1 molar ratio and GTPase activity). Guanine Nucleotides 157-175 H3 histone pseudogene 16 Homo sapiens 82-85 3554231-8 1987 With the isolation of the G domain of EF-Tu, a model protein has been constructed for studying and comparing common characteristics of the guanine nucleotide-binding proteins. Guanine Nucleotides 139-157 eukaryotic translation elongation factor 1 alpha 1 Homo sapiens 38-43 2957041-0 1987 Effects of monovalent and divalent cations and of guanine nucleotides on binding of vasopressin to the rat mesenteric vasculature. Guanine Nucleotides 50-69 arginine vasopressin Rattus norvegicus 84-95 2957041-2 1987 We have investigated the in vitro effect of monovalent and divalent cations and guanine nucleotides on the interactions between [3H]Arg8-vasopressin and its receptor in this preparation. Guanine Nucleotides 80-99 arginine vasopressin Rattus norvegicus 137-148 2957041-18 1987 Cations and guanine nucleotides interact with one or more sites closely associated with vasopressin receptors, including possibly with a GTP-sensitive regulatory protein, to modulate receptor affinity for vasopressin. Guanine Nucleotides 12-31 arginine vasopressin Rattus norvegicus 88-99 2957041-18 1987 Cations and guanine nucleotides interact with one or more sites closely associated with vasopressin receptors, including possibly with a GTP-sensitive regulatory protein, to modulate receptor affinity for vasopressin. Guanine Nucleotides 12-31 arginine vasopressin Rattus norvegicus 205-216 3315034-9 1987 These results, taken together with the finding that insulin secretion due to Ca2+ or TPA is attenuated by the inhibitory guanine nucleotide GDP beta S, suggest the existence of a regulatory site in exocytosis which is sensitive to guanine nucleotides. Guanine Nucleotides 121-139 carbonic anhydrase 2 Rattus norvegicus 77-80 3315034-9 1987 These results, taken together with the finding that insulin secretion due to Ca2+ or TPA is attenuated by the inhibitory guanine nucleotide GDP beta S, suggest the existence of a regulatory site in exocytosis which is sensitive to guanine nucleotides. Guanine Nucleotides 231-250 carbonic anhydrase 2 Rattus norvegicus 77-80 2439901-0 1987 Neutralizing monoclonal antibody against ras oncogene product p21 which impairs guanine nucleotide exchange. Guanine Nucleotides 80-98 H3 histone pseudogene 16 Homo sapiens 62-65 3112131-0 1987 Guanine nucleotides stimulate arachidonic acid release by phospholipase A2 in saponin-permeabilized human platelets. Guanine Nucleotides 0-19 phospholipase A2 group IB Homo sapiens 58-74 2820381-12 1987 The results provide further evidence that guanine-nucleotide-binding protein mediates signal transduction between the thrombin receptor and phospholipase C, and suggest that PIP may be a major substrate of this enzyme in the platelet. Guanine Nucleotides 42-60 prothrombin Oryctolagus cuniculus 118-126 2820381-12 1987 The results provide further evidence that guanine-nucleotide-binding protein mediates signal transduction between the thrombin receptor and phospholipase C, and suggest that PIP may be a major substrate of this enzyme in the platelet. Guanine Nucleotides 42-60 LOC100009319 Oryctolagus cuniculus 140-155 2820381-12 1987 The results provide further evidence that guanine-nucleotide-binding protein mediates signal transduction between the thrombin receptor and phospholipase C, and suggest that PIP may be a major substrate of this enzyme in the platelet. Guanine Nucleotides 42-60 prolactin-inducible protein homolog Oryctolagus cuniculus 174-177 3104085-3 1987 When T cells are selectively depleted of guanine nucleotides by treatment with mycophenolic acid, the early mitogen-induced activation of ODC is completely inhibited. Guanine Nucleotides 41-60 ornithine decarboxylase 1 Homo sapiens 138-141 3031665-1 1987 From cross-hybridization studies with cDNAs that code for the alpha subunits of rat brain guanine nucleotide-binding regulatory (G) proteins, we have isolated a gene from yeast Saccharomyces cerevisiae encoding an amino acid sequence that is highly homologous to the alpha subunit of the G protein that mediates inhibition of adenylate cyclase (Gi alpha) from rat brain. Guanine Nucleotides 90-108 adenylate cyclase Saccharomyces cerevisiae S288C 326-343 3102494-3 1987 We have analyzed the steady-state kinetics of this activation process in order to determine the molecular mechanism of interactions between rhodopsin, transducin, and guanine nucleotides. Guanine Nucleotides 167-186 rhodopsin Homo sapiens 140-149 3102494-9 1987 Furthermore, the allosteric behavior observed in the activation of transducin is also witnessed in the rhodopsin-catalyzed guanine nucleotide exchange of the G protein"s purified alpha subunit in the absence of the beta X gamma subunit complex. Guanine Nucleotides 123-141 rhodopsin Homo sapiens 103-112 3545497-6 1987 We propose that CDC25 regulates adenylate cyclase by regulating the guanine nucleotide bound to RAS proteins. Guanine Nucleotides 68-86 Ras family guanine nucleotide exchange factor CDC25 Saccharomyces cerevisiae S288C 16-21 2951584-1 1987 We report the identification and characterization of specific vasopressin-binding sites on intact cells and membranes of the established vascular smooth muscle cell line A-10, the fate of vasopressin associated with the cells, the role of guanine nucleotides in the regulation of the affinity of the vasopressin-binding sites, and the determination of the vasopressin receptor subtype. Guanine Nucleotides 239-258 arginine vasopressin Homo sapiens 62-73 3827891-0 1987 ADP-ribosylation by type C1 and D botulinum neurotoxins: stimulation by guanine nucleotides and inhibition by guanidino-containing compounds. Guanine Nucleotides 72-91 Rho GTPase activating protein 4 Mus musculus 25-33 3540418-2 1986 All the MoAbs complexed p21ras from the ras gene-activated cell lines in Western immunoblot analysis and demonstrated a binding property of p21ras to guanine nucleotides. Guanine Nucleotides 150-169 Harvey rat sarcoma virus oncogene Mus musculus 24-30 2432782-4 1986 Somatostatin antagonizes the effects of both vasoactive intestinal peptide and substance P by a mechanism that appears to involve inhibitory guanine nucleotide binding proteins. Guanine Nucleotides 141-159 tachykinin precursor 1 Homo sapiens 79-90 3795054-8 1986 On the other hand, forskolin labeled the hilus and the pyramidal cell layer of CA3 and CA4 with high density, a region where guanine nucleotide binding was relatively low. Guanine Nucleotides 125-143 carbonic anhydrase 3 Rattus norvegicus 79-82 3540608-0 1986 Activation of ras p21 transforming properties associated with an increase in the release rate of bound guanine nucleotide. Guanine Nucleotides 103-121 H3 histone pseudogene 16 Homo sapiens 18-21 2431411-4 1986 Intracellular application of the nonhydrolyzable guanine nucleotide analog guanosine 5"-[gamma-thio]triphosphate (GTP[gamma S]), which irreversibly activates G proteins, changed the somatostatin effect on ICa from a reversible to an irreversible inhibition. Guanine Nucleotides 49-67 inhibitor of carbonic anhydrase Mus musculus 205-208 3028864-0 1987 The insulin receptor tyrosyl kinase phosphorylates holomeric forms of the guanine nucleotide regulatory proteins Gi and Go. Guanine Nucleotides 74-92 insulin Homo sapiens 4-11 2826911-5 1987 The adrenal AII receptor, like that in other tissues, is coupled to the inhibitory guanine nucleotide inhibitory protein (Ni). Guanine Nucleotides 83-101 angiotensinogen Rattus norvegicus 12-15 2826911-8 1987 The actions of AII on adrenal cortical function are thus regulated by at least two guanine nucleotide regulatory proteins that are selectively activated by increasing AII concentrations. Guanine Nucleotides 83-101 angiotensinogen Rattus norvegicus 15-18 2826911-8 1987 The actions of AII on adrenal cortical function are thus regulated by at least two guanine nucleotide regulatory proteins that are selectively activated by increasing AII concentrations. Guanine Nucleotides 83-101 angiotensinogen Rattus norvegicus 167-170 3540418-2 1986 All the MoAbs complexed p21ras from the ras gene-activated cell lines in Western immunoblot analysis and demonstrated a binding property of p21ras to guanine nucleotides. Guanine Nucleotides 150-169 Harvey rat sarcoma virus oncogene Mus musculus 140-146 3090543-0 1986 Exchange of guanine nucleotide between GTP-binding proteins that regulate neuronal adenylate cyclase. Guanine Nucleotides 12-30 phosphoenolpyruvate carboxykinase 1 Rattus norvegicus 39-42 3034558-0 1986 Evidence for decreased activity of guanine nucleotide binding protein in adenylate cyclase of cell membranes in human ACTH-unresponsive adrenocortical carcinoma. Guanine Nucleotides 35-53 proopiomelanocortin Homo sapiens 118-122 3030265-2 1986 The ACh-stimulated and guanine nucleotide-dependent activities of phosphatidylinositol 4,5-bisphosphate (PIP2) phosphodiesterase (PDE), assessed by the production of inositol 1,4,5-trisphosphate (IP3) from exogenously applied PIP2, were not modified, in either IAP-treated or non-treated cell homogenates used as the enzyme source. Guanine Nucleotides 23-41 CD47 molecule Sus scrofa 261-264 3541923-0 1986 Guanine nucleotide regulation of phospholipase C activity in permeabilized rabbit neutrophils. Guanine Nucleotides 0-18 LOC100009319 Oryctolagus cuniculus 33-48 3541923-7 1986 Moreover, the ability of guanine nucleotides to sensitize phospholipase C to physiologically relevant Ca2+ concentrations suggests that the role of the activated G protein may be to enhance the apparent affinity of phospholipase C for Ca2+ and thus to activate the enzyme without an increase in the Ca2+ concentration. Guanine Nucleotides 25-44 LOC100009319 Oryctolagus cuniculus 58-73 3541923-7 1986 Moreover, the ability of guanine nucleotides to sensitize phospholipase C to physiologically relevant Ca2+ concentrations suggests that the role of the activated G protein may be to enhance the apparent affinity of phospholipase C for Ca2+ and thus to activate the enzyme without an increase in the Ca2+ concentration. Guanine Nucleotides 25-44 LOC100009319 Oryctolagus cuniculus 215-230 3525557-0 1986 The effect of Mg2+ on the guanine nucleotide exchange rate of p21N-ras. Guanine Nucleotides 26-44 mucin 7, secreted Homo sapiens 14-17 3487832-1 1986 Single amino acid changes were introduced into normal (non-oncogenic) and activated forms of the human H-ras protein at a position (residue 116) proposed on structural grounds to represent a contact site with guanine nucleotides. Guanine Nucleotides 209-228 HRas proto-oncogene, GTPase Homo sapiens 103-108 3756145-6 1986 Simultaneous fusion of the liposomes containing IgG-B1 and -B2 proteins with guanine nucleotide binding stimulatory (G/F) protein/Fc gamma 2aR-deficient cyc- cells resulted in the formation of the hybrid membrane whose adenylate cyclase responds to immune complex formed with IgG2a-subclass antibody (IC2a) by about a 2.7-fold increase in the activity over the control (hybrid membrane between cyc- cells and liposome containing no protein). Guanine Nucleotides 77-95 peptidylprolyl isomerase A, pseudogene 1 Mus musculus 153-156 3756145-6 1986 Simultaneous fusion of the liposomes containing IgG-B1 and -B2 proteins with guanine nucleotide binding stimulatory (G/F) protein/Fc gamma 2aR-deficient cyc- cells resulted in the formation of the hybrid membrane whose adenylate cyclase responds to immune complex formed with IgG2a-subclass antibody (IC2a) by about a 2.7-fold increase in the activity over the control (hybrid membrane between cyc- cells and liposome containing no protein). Guanine Nucleotides 77-95 immunoglobulin heavy variable V1-9 Mus musculus 276-281 3756145-6 1986 Simultaneous fusion of the liposomes containing IgG-B1 and -B2 proteins with guanine nucleotide binding stimulatory (G/F) protein/Fc gamma 2aR-deficient cyc- cells resulted in the formation of the hybrid membrane whose adenylate cyclase responds to immune complex formed with IgG2a-subclass antibody (IC2a) by about a 2.7-fold increase in the activity over the control (hybrid membrane between cyc- cells and liposome containing no protein). Guanine Nucleotides 77-95 peptidylprolyl isomerase A, pseudogene 1 Mus musculus 229-232 3026378-4 1986 Our results suggest that platelet-activating factor receptor in human neutrophil membranes may be coupled to a guanine nucleotide binding protein. Guanine Nucleotides 111-129 platelet activating factor receptor Homo sapiens 25-60 3022802-9 1986 Stimulation of adenylyl cyclase with fluoride, guanylyl 5"-imidodiphosphate, glucagon, or isoproterenol was observed after fusion of cyc- S49 cells [which lack the stimulatory, guanine nucleotide binding, regulatory protein of adenylyl cyclase (Ns)] with liver membranes alkylated with 1.5 mM NEM. Guanine Nucleotides 177-195 peptidylprolyl isomerase A, pseudogene 1 Mus musculus 24-27 2943290-0 1986 The dopamine D1 receptor: partial purification of a digitonin-solubilized receptor-guanine nucleotide binding complex. Guanine Nucleotides 83-101 dopamine receptor D1 Homo sapiens 4-24 3091021-0 1986 Spermatozoa contain a guanine nucleotide-binding protein ADP-ribosylated by pertussis toxin. Guanine Nucleotides 22-40 WD and tetratricopeptide repeats 1 Homo sapiens 57-60 3026309-7 1986 These data indicate that the guanine nucleotide effects on TRH binding and activity are not mediated by Ni, but possibly by another member of the family of guanine-nucleotide-dependent regulatory proteins. Guanine Nucleotides 29-47 thyrotropin releasing hormone Rattus norvegicus 59-62 3752943-4 1986 Together these findings suggest that the decrease of guanine nucleotides induced by MPA is restored by GMP, which is formed from guanine by HGPRTase in the cells. Guanine Nucleotides 53-72 hypoxanthine guanine phosphoribosyl transferase Mus musculus 140-148 3016436-3 1986 In blowfly salivary gland membranes, 5-hydroxytryptamine stimulates a guanine-nucleotide dependent breakdown of both endogenous and exogenous phosphoinositide substrate through activation of phospholipase C. These data suggest that a GTP-binding protein modulates phospholipase C activity. Guanine Nucleotides 70-88 RAS like proto-oncogene B Rattus norvegicus 234-253 3026309-7 1986 These data indicate that the guanine nucleotide effects on TRH binding and activity are not mediated by Ni, but possibly by another member of the family of guanine-nucleotide-dependent regulatory proteins. Guanine Nucleotides 156-174 thyrotropin releasing hormone Rattus norvegicus 59-62 3014531-0 1986 Mutations of the ras gene product p21 that abolish guanine nucleotide binding. Guanine Nucleotides 51-69 transcription elongation factor A (SII)-like 1 Mus musculus 34-37 3017327-5 1986 The inhibitory effect of ANF was dependent on the presence of guanine nucleotides. Guanine Nucleotides 62-81 natriuretic peptide A Rattus norvegicus 25-28 3087970-0 1986 Two guanine nucleotide-binding proteins in rat brain serving as the specific substrate of islet-activating protein, pertussis toxin. Guanine Nucleotides 4-22 Cd47 molecule Rattus norvegicus 90-114 3012529-1 1986 Recent studies have shown that the 21-kilodalton protein (p21) Ha-ras gene product shares sequence homology with and may exhibit biochemical properties similar to the mammalian guanine nucleotide-binding proteins. Guanine Nucleotides 177-195 H3 histone pseudogene 16 Homo sapiens 58-61 3012529-8 1986 These data support the hypothesis that both the normal and mutated Ha-ras p21s are related to guanine nucleotide-binding proteins. Guanine Nucleotides 94-112 H3 histone pseudogene 16 Homo sapiens 74-77 3084494-5 1986 The guanine nucleotide-binding site, which can be resolved by high performance liquid chromatography procedures and identified by a photolyzable GTP analogue, is associated with a 21,000-dalton protein (Gp alpha) that copurifies with beta gamma-subunits indistinguishable from the beta gamma-subunits associated with Gs and Gi. Guanine Nucleotides 4-22 glycophorin A (MNS blood group) Homo sapiens 203-211 3005271-7 1986 Furthermore, TRH regulation of polyphosphoinositide hydrolysis is modulated by guanine nucleotides; however, nucleotide regulation appears to involve a GTP-binding factor (Np) other than Ns or Ni. Guanine Nucleotides 79-98 thyrotropin releasing hormone Rattus norvegicus 13-16 3956492-7 1986 In the presence of guanine nucleotides the activation of adenylate cyclase by erythropoietin is increased further but the effect is not additive. Guanine Nucleotides 19-38 erythropoietin Oryctolagus cuniculus 78-92 3956492-8 1986 With respect to the basal and the guanine-nucleotide-stimulated activities of adenylate cyclase erythropoietin acts differently from the beta-agonist l-isoprenaline. Guanine Nucleotides 34-52 erythropoietin Oryctolagus cuniculus 96-110 3728201-0 1986 Regulation of membrane histamine H1-receptor binding sites by guanine nucleotides, mono- and divalent cations. Guanine Nucleotides 62-81 histamine H1 receptor Bos taurus 23-44 3728201-1 1986 Agonist interaction with histamine H1-receptor in [3H] mepyramine bovine aortic membranes labeled with [3H] mepyramine is selectively regulated by cations and guanine nucleotides. Guanine Nucleotides 159-178 histamine H1 receptor Bos taurus 25-46 3537694-2 1986 The ability of the encoded p21"s to autophosphorylate, bind guanine nucleotides, and hydrolyze GTP was assessed. Guanine Nucleotides 60-79 H3 histone pseudogene 16 Homo sapiens 27-30 3321304-4 1986 Its binding to p21 is completely blocked by guanine nucleotides, even though the region of p21 to which it binds does not seem to be part of the guanine nucleotide-binding site. Guanine Nucleotides 44-63 H3 histone pseudogene 16 Homo sapiens 15-18 3079907-0 1986 Epidermal growth factor (urogastrone)-mediated phosphorylation of a 35-kDa substrate in human placental membranes: relationship to the beta subunit of the guanine nucleotide regulatory complex. Guanine Nucleotides 155-173 epidermal growth factor Homo sapiens 0-23 3333361-3 1986 The ras gene family encodes a group of closely related 21,000 dalton (p21) proteins with special affinity for guanine nucleotides. Guanine Nucleotides 110-129 H3 histone pseudogene 16 Homo sapiens 70-73 3321304-4 1986 Its binding to p21 is completely blocked by guanine nucleotides, even though the region of p21 to which it binds does not seem to be part of the guanine nucleotide-binding site. Guanine Nucleotides 44-63 H3 histone pseudogene 16 Homo sapiens 91-94 3321304-4 1986 Its binding to p21 is completely blocked by guanine nucleotides, even though the region of p21 to which it binds does not seem to be part of the guanine nucleotide-binding site. Guanine Nucleotides 44-62 H3 histone pseudogene 16 Homo sapiens 15-18 3321304-4 1986 Its binding to p21 is completely blocked by guanine nucleotides, even though the region of p21 to which it binds does not seem to be part of the guanine nucleotide-binding site. Guanine Nucleotides 44-62 H3 histone pseudogene 16 Homo sapiens 91-94 3321304-6 1986 Another interesting region of p21 includes amino acids 116 and 119, which seem to confer, in part, the specificity of p21 for guanine nucleotides. Guanine Nucleotides 126-145 H3 histone pseudogene 16 Homo sapiens 30-33 3321304-6 1986 Another interesting region of p21 includes amino acids 116 and 119, which seem to confer, in part, the specificity of p21 for guanine nucleotides. Guanine Nucleotides 126-145 H3 histone pseudogene 16 Homo sapiens 118-121 3321304-8 1986 We were able to refine our model for guanine nucleotide interaction with p21 and to create mutant proteins with altered specificity for purine nucleotides. Guanine Nucleotides 37-55 H3 histone pseudogene 16 Homo sapiens 73-76 3001695-1 1985 The Ha-ras protooncogene product p21, which may be involved in control of cellular growth, is a membrane protein that binds guanine nucleotides and hydrolyzes GTP. Guanine Nucleotides 124-143 P21 Meleagris gallopavo 33-36 3001695-7 1985 p21 may be related to other GTPases, the regulatory guanine nucleotide-binding G proteins of the hormone-sensitive adenylate cyclase complex and transducin of the retinal light-activated phosphodiesterase system. Guanine Nucleotides 52-70 P21 Meleagris gallopavo 0-3 3001695-12 1985 Modification of p21 catalyzed by an NAD: arginine ADP-ribosyltransferase purified from turkey erythrocytes decreased both GTPase activity and guanine nucleotide binding activity. Guanine Nucleotides 142-160 P21 Meleagris gallopavo 16-19 2998380-0 1985 Direct stimulation by thyrotropin-releasing hormone (TRH) of polyphosphoinositide hydrolysis in GH3 cell membranes by a guanine nucleotide-modulated mechanism. Guanine Nucleotides 120-138 thyrotropin releasing hormone Rattus norvegicus 22-51 2997214-1 1985 Interaction of receptors with a guanine nucleotide-binding protein in membranes prepared from L6 myoblasts and from wild-type and cyc- S49 lymphoma cells. Guanine Nucleotides 32-50 peptidylprolyl isomerase A, pseudogene 1 Mus musculus 130-133 3915772-0 1985 Antibody of predetermined specificity to a carboxy-terminal region of H-ras gene products inhibits their guanine nucleotide-binding function. Guanine Nucleotides 105-123 HRas proto-oncogene, GTPase Homo sapiens 70-75 3915772-4 1985 This antibody was also shown to strikingly and specifically inhibit the guanine nucleotide-binding function of the p21 protein. Guanine Nucleotides 72-90 H3 histone pseudogene 16 Homo sapiens 115-118 3915772-5 1985 The inability of p21 protein to bind guanine nucleotides was associated with a lack of autophosphorylation or GTPase activities. Guanine Nucleotides 37-56 H3 histone pseudogene 16 Homo sapiens 17-20 3915772-6 1985 These studies suggest that a region toward its carboxy terminus is directly or indirectly involved in the guanine nucleotide-binding function of the p21 molecule. Guanine Nucleotides 106-124 H3 histone pseudogene 16 Homo sapiens 149-152 3936483-1 1985 We compared the effects of guanine nucleotides and Mg2+ on ADP-ribosylation of rat brain and liver membrane proteins catalysed by Bordetella pertussis toxin (IAP) and cholera toxin (CT). Guanine Nucleotides 27-46 Cd47 molecule Rattus norvegicus 158-161 2998380-0 1985 Direct stimulation by thyrotropin-releasing hormone (TRH) of polyphosphoinositide hydrolysis in GH3 cell membranes by a guanine nucleotide-modulated mechanism. Guanine Nucleotides 120-138 thyrotropin releasing hormone Rattus norvegicus 53-56 2992509-1 1985 Effects of islet-activating protein (IAP) were examined to assess the involvement of the guanine nucleotide-binding regulatory protein responsible for inhibition of adenylate cyclase system (Ni protein) in the superoxide anion (O-2) production in polymorphonuclear leukocytes (PMNL) stimulated with various agents. Guanine Nucleotides 89-107 immunoglobulin kappa variable 1D-39 Homo sapiens 228-231 3898366-7 1985 The model makes it possible to visualize how oncogenic mutations of p21 affect interaction with guanine nucleotides. Guanine Nucleotides 96-115 H3 histone pseudogene 16 Homo sapiens 68-71 2995530-6 1985 Since forskolin directly activates adenylate cyclase at a site of the catalytic unit and the cellular action of AVP to activate adenylate cyclase is mediated through receptor-guanine nucleotide regulatory-catalytic units, the present study indicates calmodulin regulation of basal, AVP-, PGE2- and forskolin-activated adenylate cyclase in the papillary collecting tubule cells. Guanine Nucleotides 175-193 arginine vasopressin Rattus norvegicus 112-115 3891097-1 1985 In these experiments we demonstrate that purified RAS proteins, whether derived from the yeast RAS1 or RAS2 or the human H-ras genes, activate yeast adenylate cyclase in the presence of guanine nucleotides. Guanine Nucleotides 186-205 Ras family GTPase RAS1 Saccharomyces cerevisiae S288C 95-99 3926760-2 1985 The interaction of the chloroplast elongation factor Tu (EF-Tuchl) from Euglena gracilis with guanine nucleotides and aminoacyl-tRNA has been investigated. Guanine Nucleotides 94-113 elongation factor 1-alpha Euglena gracilis 35-55 3891097-1 1985 In these experiments we demonstrate that purified RAS proteins, whether derived from the yeast RAS1 or RAS2 or the human H-ras genes, activate yeast adenylate cyclase in the presence of guanine nucleotides. Guanine Nucleotides 186-205 Ras family GTPase RAS2 Saccharomyces cerevisiae S288C 103-107 3891097-1 1985 In these experiments we demonstrate that purified RAS proteins, whether derived from the yeast RAS1 or RAS2 or the human H-ras genes, activate yeast adenylate cyclase in the presence of guanine nucleotides. Guanine Nucleotides 186-205 HRas proto-oncogene, GTPase Homo sapiens 121-126 3891097-1 1985 In these experiments we demonstrate that purified RAS proteins, whether derived from the yeast RAS1 or RAS2 or the human H-ras genes, activate yeast adenylate cyclase in the presence of guanine nucleotides. Guanine Nucleotides 186-205 adenylate cyclase Saccharomyces cerevisiae S288C 149-166 2985703-4 1985 VIP-mediated by guanine nucleotide. Guanine Nucleotides 16-34 vasoactive intestinal peptide Homo sapiens 0-3 2987408-7 1985 In the presence of the guanine nucleotide analogue 5"-guanylyl imidodiphosphate, a decrease in affinity of the mAChR of SCC for oxotremorine was observed, with an increase in the pseudo-Hill coefficient, but there was no change in the binding of atropine. Guanine Nucleotides 23-41 serpin family B member 3 Homo sapiens 120-123 3846595-0 1985 Kinetics and thermodynamics of the interaction of elongation factor Tu with elongation factor Ts, guanine nucleotides, and aminoacyl-tRNA. Guanine Nucleotides 98-117 eukaryotic translation elongation factor 1 alpha 1 Homo sapiens 50-70 3846595-11 1985 On the basis of these observations, a complete mechanism to explain the interactions among EF-Tu, EF-Ts, guanine nucleotides, and aminoacyl-tRNA has been developed. Guanine Nucleotides 105-124 eukaryotic translation elongation factor 1 alpha 1 Homo sapiens 91-96 2983985-0 1985 Solubilization from rat pancreatic plasma membranes of a cholecystokinin (CCK) agonist-receptor complex interacting with guanine nucleotide regulatory proteins coexisting in the same macromolecular system. Guanine Nucleotides 121-139 cholecystokinin Rattus norvegicus 57-72 2985821-8 1985 Data presented herein indicate that the p21 of Harvey murine sarcoma virus consists of at least two domains, one which specifies the guanine nucleotide-binding activity of p21 and the other which is involved in p21-membrane association in transformed cells. Guanine Nucleotides 133-151 cyclin-dependent kinase inhibitor 1A (P21) Mus musculus 40-43 2985821-8 1985 Data presented herein indicate that the p21 of Harvey murine sarcoma virus consists of at least two domains, one which specifies the guanine nucleotide-binding activity of p21 and the other which is involved in p21-membrane association in transformed cells. Guanine Nucleotides 133-151 cyclin-dependent kinase inhibitor 1A (P21) Mus musculus 172-175 2985821-8 1985 Data presented herein indicate that the p21 of Harvey murine sarcoma virus consists of at least two domains, one which specifies the guanine nucleotide-binding activity of p21 and the other which is involved in p21-membrane association in transformed cells. Guanine Nucleotides 133-151 cyclin-dependent kinase inhibitor 1A (P21) Mus musculus 172-175 3856874-4 1985 These results suggest that cells infected with the dl331 mutant develop a translational block at the level of GEF-catalyzed guanine nucleotide exchange and that this block is most likely established through phosphorylation of the alpha subunit of eIF-2. Guanine Nucleotides 124-142 Ras protein specific guanine nucleotide releasing factor 1 Homo sapiens 110-113 2985432-3 1985 These findings, taken together with evidence that pertussis toxin specifically causes inactivation of the guanine nucleotide binding protein (Ni), suggests that guanine nucleotide binding proteins may mediate coupling between calcium-mobilising receptors and phospholipase C-mediated reactions in rabbit neutrophils. Guanine Nucleotides 106-124 LOC100009319 Oryctolagus cuniculus 259-274 2985432-3 1985 These findings, taken together with evidence that pertussis toxin specifically causes inactivation of the guanine nucleotide binding protein (Ni), suggests that guanine nucleotide binding proteins may mediate coupling between calcium-mobilising receptors and phospholipase C-mediated reactions in rabbit neutrophils. Guanine Nucleotides 161-179 LOC100009319 Oryctolagus cuniculus 259-274 2983985-0 1985 Solubilization from rat pancreatic plasma membranes of a cholecystokinin (CCK) agonist-receptor complex interacting with guanine nucleotide regulatory proteins coexisting in the same macromolecular system. Guanine Nucleotides 121-139 cholecystokinin Rattus norvegicus 74-77 2983985-2 1985 Bound ligand dissociation from this soluble complex was similar to that from the membranous receptors of origin and the marked increase in the rate of dissociation induced by GTP was preserved in the soluble state, indicating that the solubilized CCK receptors remained functionally coupled with the guanine nucleotide regulatory site modulating the affinity for CCK. Guanine Nucleotides 300-318 cholecystokinin Rattus norvegicus 247-250 2996970-0 1985 VIP binding to epithelial cell membranes of rat ventral prostate: effect of guanine nucleotides. Guanine Nucleotides 76-95 vasoactive intestinal peptide Rattus norvegicus 0-3 2981858-0 1985 Specificity of the functional interactions of the beta-adrenergic receptor and rhodopsin with guanine nucleotide regulatory proteins reconstituted in phospholipid vesicles. Guanine Nucleotides 94-112 rhodopsin Cavia porcellus 79-88 2858206-0 1985 The inhibitory guanine nucleotide-binding regulatory subunit of adenylate cyclase has an adenylate cyclase-independent modulatory effect on ACTH secretion from mouse pituitary tumor cells. Guanine Nucleotides 15-33 pro-opiomelanocortin-alpha Mus musculus 140-144 2863938-2 1985 The S-14 receptor in GH4C1 cells is coupled to Ni, a guanine nucleotide binding protein which mediates S-14-induced inhibition of VIP-stimulated adenylate cyclase activity, cyclic AMP production and hormone secretion. Guanine Nucleotides 53-71 thyroid hormone responsive Rattus norvegicus 4-8 2863938-2 1985 The S-14 receptor in GH4C1 cells is coupled to Ni, a guanine nucleotide binding protein which mediates S-14-induced inhibition of VIP-stimulated adenylate cyclase activity, cyclic AMP production and hormone secretion. Guanine Nucleotides 53-71 thyroid hormone responsive Rattus norvegicus 103-107 2995942-3 1985 In the absence of sodium, however, guanine nucleotides only slightly lowered the ENK binding at 25 degrees C, and at 0 degree C they strongly increased the ENK binding dose-dependently. Guanine Nucleotides 35-54 proenkephalin Rattus norvegicus 81-84 2995942-3 1985 In the absence of sodium, however, guanine nucleotides only slightly lowered the ENK binding at 25 degrees C, and at 0 degree C they strongly increased the ENK binding dose-dependently. Guanine Nucleotides 35-54 proenkephalin Rattus norvegicus 156-159 2995942-0 1985 Effects of guanine nucleotides, transition metals and temperature on enkephalin receptors of rat brain membranes. Guanine Nucleotides 11-30 proenkephalin Rattus norvegicus 69-79 2995942-7 1985 The results suggest complex interactions of transition metals and guanine nucleotides with ENK binding sites. Guanine Nucleotides 66-85 proenkephalin Rattus norvegicus 91-94 2995942-1 1985 The interactions among guanine nucleotides, transition metals and enkephalin (ENK) receptors were investigated by assaying the [3H]ENK binding to brain synaptic membranes. Guanine Nucleotides 23-42 proenkephalin Rattus norvegicus 78-81 6437813-10 1984 All of these data indicate that thrombin at low concentrations inhibits platelet adenylate cyclase by a process involving the inhibitory guanine nucleotide-binding regulatory component, Ni, in a manner similar to hormonal factors. Guanine Nucleotides 137-155 coagulation factor II, thrombin Homo sapiens 32-40 6096373-1 1984 Accompanying decreases in the function of the inhibitory guanine nucleotide regulatory component of adenylate cyclase identified as the substrate of islet-activating protein. Guanine Nucleotides 57-75 magnesium transporter 1 Rattus norvegicus 149-173 6204890-0 1984 Islet-activating protein, pertussis toxin, inhibits Ca2+-induced and guanine nucleotide-dependent releases of histamine and arachidonic acid from rat mast cells. Guanine Nucleotides 69-87 magnesium transporter 1 Rattus norvegicus 0-24 6548713-0 1984 Regulation of neuropeptide Y (NPY) binding by guanine nucleotides in the rat cerebral cortex. Guanine Nucleotides 46-65 neuropeptide Y Rattus norvegicus 14-28 6548713-0 1984 Regulation of neuropeptide Y (NPY) binding by guanine nucleotides in the rat cerebral cortex. Guanine Nucleotides 46-65 neuropeptide Y Rattus norvegicus 30-33 6392849-11 1984 Finally, we used anti-p21 monoclonal antibodies to detect a guanine nucleotide binding activity in yeast lysates. Guanine Nucleotides 60-78 H3 histone pseudogene 16 Homo sapiens 22-25 6611509-6 1984 The ras protein product (p21) binds guanine nucleotides and has a unique autophosphorylating activity, but no other enzymatic activity has been found. Guanine Nucleotides 36-55 cyclin-dependent kinase inhibitor 1A (P21) Mus musculus 25-28 6440486-6 1984 NaF and guanine nucleotide sensitivity could be reconstituted in nonactivated preparations of C by G/F in the presence of NaF or guanylylimidodiphosphate. Guanine Nucleotides 8-26 C-X-C motif chemokine ligand 8 Homo sapiens 122-125 6438624-5 1984 Crude extracts of cells expressing the RAS2 gene exhibit guanine nucleotide binding activity. Guanine Nucleotides 57-75 Ras family GTPase RAS2 Saccharomyces cerevisiae S288C 39-43 6147754-2 1984 In addition to the guanine nucleotide binding activity, normal p21 displays a GTPase activity which is selectively impaired by a mutation which activates its oncogenic potential. Guanine Nucleotides 19-37 H3 histone pseudogene 16 Homo sapiens 63-66 6204890-2 1984 Since the guanine nucleotide-binding protein involved in adenylate cyclase inhibition is known to lose its function upon being ADP-ribosylated by IAP, the nucleotide-binding protein is likely to mediate Ca2+-linked biosignalling leading to histamine secretion. Guanine Nucleotides 10-28 magnesium transporter 1 Rattus norvegicus 146-149 6736200-9 1984 Basal and hCG stimulation were under the control of guanine nucleotides. Guanine Nucleotides 52-71 chorionic gonadotropin subunit beta 5 Homo sapiens 10-13 6610834-0 1984 Epidermal growth factor stimulates guanine nucleotide binding activity and phosphorylation of ras oncogene proteins. Guanine Nucleotides 35-53 epidermal growth factor Homo sapiens 0-23 6610834-7 1984 We report here the evidence that epidermal growth factor enhances the guanine nucleotide binding activity of activated c-Ha-ras or v-Ha-ras p21, and phosphorylation of v-Ha-ras p21, suggesting that some mitogenic growth factors may regulate those activities. Guanine Nucleotides 70-88 epidermal growth factor Homo sapiens 33-56 6610834-7 1984 We report here the evidence that epidermal growth factor enhances the guanine nucleotide binding activity of activated c-Ha-ras or v-Ha-ras p21, and phosphorylation of v-Ha-ras p21, suggesting that some mitogenic growth factors may regulate those activities. Guanine Nucleotides 70-88 H3 histone pseudogene 16 Homo sapiens 140-143 6092516-0 1984 A monoclonal antibody to guanine nucleotide binding protein inhibits the light-activated cyclic GMP pathway in frog rod outer segments. Guanine Nucleotides 25-43 5'-nucleotidase, cytosolic II Homo sapiens 96-99 6092516-2 1984 The antibody (4A) inhibits guanine nucleotide binding to G-protein, the intermediate that links rhodopsin excitation to cGMP phosphodiesterase (PDE), inhibiting light-induced PDE activity as a consequence. Guanine Nucleotides 27-45 rhodopsin Homo sapiens 96-105 6309843-15 1983 The beta subunit activity in extracts of cyc- membranes is expressed after incubation with guanine nucleotide analogs, implying association of the beta subunit with a GTP-binding protein. Guanine Nucleotides 91-109 peptidylprolyl isomerase A, pseudogene 1 Mus musculus 41-44 6434354-1 1984 The relationship between the assay values of the activities of the stimulatory guanine nucleotide-binding regulatory component (N-protein) of adenylate cyclase by two different methods: reconstitution of plasma membranes of cyc- S49 cells and ADP ribosylation catalyzed by cholera toxin, have not been fully elucidated yet. Guanine Nucleotides 79-97 peptidylprolyl isomerase A, pseudogene 1 Mus musculus 152-155 6142822-2 1984 The activation reaction of the inhibitory guanine nucleotide-binding regulatory site of the adenylate cyclase system was studied in membranes of rat adipocytes, S49 lymphoma wild-type cells and their cyc- variants, pretreated without and with the Bordetella pertussis toxin, islet-activating protein (IAP), by measuring the kinetics of adenylate cyclase inhibition by the stable GTP analogue, guanosine 5"-[gamma-thio]triphosphate (GTP[S]). Guanine Nucleotides 42-60 Cd47 molecule Rattus norvegicus 301-304 6321661-7 1984 The secretin receptor was regulated by guanine nucleotides, with guanosine 5"-(beta, gamma-imino)-triphosphate being the most potent to accelerate the rate of dissociation of bound secretin. Guanine Nucleotides 39-58 secretin receptor Homo sapiens 4-21 6321661-7 1984 The secretin receptor was regulated by guanine nucleotides, with guanosine 5"-(beta, gamma-imino)-triphosphate being the most potent to accelerate the rate of dissociation of bound secretin. Guanine Nucleotides 39-58 secretin Homo sapiens 4-12 6323430-7 1984 1) Purified 41,000/35,000-Da dimer is capable of restoring the inhibitory effects of guanine nucleotides and the alpha 2-adrenergic agonist, epinephrine, on the adenylate cyclase activity of IAP-treated membranes. Guanine Nucleotides 85-104 islet amyloid polypeptide Homo sapiens 191-194 6318757-4 1983 Guanine nucleotides such as GTP or GMP-P (NH)P were also required to elicit the inhibition by angiotensin II. Guanine Nucleotides 0-19 angiotensinogen Rattus norvegicus 94-108 6410000-10 1983 These results suggest that calmodulin is involved in both Ca2+ stimulation and guanine nucleotide-mediated inhibition of rat hippocampal adenylate cyclase. Guanine Nucleotides 79-97 calmodulin 1 Rattus norvegicus 27-37 6142891-7 1984 There are several similarities between inhibition of forskolin-stimulated adenylate cyclase by guanine nucleotides and somatostatin in cyc- and wild type membranes. Guanine Nucleotides 95-114 peptidylprolyl isomerase A, pseudogene 1 Mus musculus 84-87 6685126-1 1983 Requirements and kinetics of guanine nucleotide-induced inhibition of the cyc- S49 adenylyl cyclase. Guanine Nucleotides 29-47 peptidylprolyl isomerase A, pseudogene 1 Mus musculus 74-77 6308612-1 1983 The final step in a scheme for the purification of the guanine nucleotide- and Mg2+-binding stimulatory regulatory component (Ns) of adenylyl cyclase [adenylate cyclase; ATP pyrophosphate-lyase (cyclizing), EC 4.6.1.1] from human erythrocyte membranes involves chromatography over hydroxylapatite (HAP) which yields two fractions. Guanine Nucleotides 55-73 adenylate cyclase 10 Homo sapiens 170-193 6308173-1 1983 D2 dopamine receptor from bovine striatum was solubilized in a form sensitive to guanine nucleotides, by means of a zwitterionic detergent, 3-[(3-cholamidopropyl)-dimethylammonio]-1-propane sulfonate (CHAPS). Guanine Nucleotides 81-100 dopamine receptor D2 Bos taurus 0-20 6308173-5 1983 Guanine nucleotides decreased the affinity of the solubilized D2 dopamine receptor for dopamine agonists, but not for antagonists. Guanine Nucleotides 0-19 dopamine receptor D2 Bos taurus 62-82 6135205-9 1983 The data indicate that membranes of cyc- variants contain a regulatory site that mediates both guanine nucleotide and hormone-induced inhibition of the adenylate cyclase and suggest that the mechanisms of activation and inactivation of this inhibitory site are similar to those of the stimulatory component missing in cyc-membranes. Guanine Nucleotides 95-113 peptidylprolyl isomerase A, pseudogene 1 Mus musculus 36-39 6135205-9 1983 The data indicate that membranes of cyc- variants contain a regulatory site that mediates both guanine nucleotide and hormone-induced inhibition of the adenylate cyclase and suggest that the mechanisms of activation and inactivation of this inhibitory site are similar to those of the stimulatory component missing in cyc-membranes. Guanine Nucleotides 95-113 peptidylprolyl isomerase A, pseudogene 1 Mus musculus 162-165 6133220-1 1983 The cyc- variants of S49 lymphoma cells have served as powerful tools for studying the components and mechanisms of hormone-induced adenylate cyclase stimulation, as these cells are deficient in the guanine nucleotide regulatory site (Ns) mediating hormone, guanine nucleotide, cholera toxin and fluoride-induced stimulations of the enzyme. Guanine Nucleotides 199-217 peptidylprolyl isomerase A, pseudogene 1 Mus musculus 4-7 6134642-1 1983 cyc--Variants of S49 lymphoma cells are defective in the stimulatory guanine nucleotide site of the adenylate cyclase but contain an inhibitory site. Guanine Nucleotides 69-87 peptidylprolyl isomerase A, pseudogene 1 Mus musculus 0-3 6134642-3 1983 Thus, the data indicate that IAP interferes with the adenylate cyclase system by an action at the inhibitory guanine nucleotide site. Guanine Nucleotides 109-127 CD47 antigen (Rh-related antigen, integrin-associated signal transducer) Mus musculus 29-32 6133220-10 1983 The data strongly suggest that both the hormone- and guanine nucleotide-induced adenylate cyclase inhibitions in cyc- cells are mediated by Ni and that the mechanisms of activation and inactivation of Ni are similar to those established for Ns. Guanine Nucleotides 53-71 peptidylprolyl isomerase A, pseudogene 1 Mus musculus 90-93 6603607-0 1983 Effects of guanine nucleotides on vasopressin-induced water flow and sodium transport of the frog bladder. Guanine Nucleotides 11-30 arginine vasopressin Homo sapiens 34-45 6603607-1 1983 In the present study, we examined the effects of guanine nucleotides on vasopressin-induced osmotic water flow and sodium transport in the 14-h preincubated frog bladder. Guanine Nucleotides 49-68 arginine vasopressin Homo sapiens 72-83 6603607-10 1983 These results suggest the guanine nucleotides stimulate the vasopressin-induced osmotic water flow in frog bladder by enhancing the vasopressin-mediated adenylate cyclase activity, so that accumulated cyclic AMP might activate cyclic AMP-dependent protein kinase. Guanine Nucleotides 26-45 arginine vasopressin Homo sapiens 60-71 6603607-10 1983 These results suggest the guanine nucleotides stimulate the vasopressin-induced osmotic water flow in frog bladder by enhancing the vasopressin-mediated adenylate cyclase activity, so that accumulated cyclic AMP might activate cyclic AMP-dependent protein kinase. Guanine Nucleotides 26-45 arginine vasopressin Homo sapiens 132-143 6298231-0 1983 Loss of the inhibitory function of the guanine nucleotide regulatory component of adenylate cyclase due to its ADP ribosylation by islet-activating protein, pertussis toxin, in adipocyte membranes. Guanine Nucleotides 39-57 islet amyloid polypeptide Homo sapiens 131-155 6299798-0 1983 Guanine nucleotides can activate the insulin-stimulated phosphodiesterase in liver plasma membranes. Guanine Nucleotides 0-19 insulin Homo sapiens 37-44 6299798-1 1983 The insulin-stimulated cyclic AMP phosphodiesterase from liver plasma membranes is shown to be activated upon incubation with guanine nucleotides in the presence of ATP. Guanine Nucleotides 126-145 insulin Homo sapiens 4-11 6303518-10 1983 The results in the latter study suggest that calmodulin-dependent adenylate cyclase may be already present in the earlier postnatal ages of the rat brain, while the beta-adrenergic receptor and guanine nucleotide regulatory unit, both of which are required for a hormone-sensitive adenylate cyclase, may sharply increase in the second postnatal week. Guanine Nucleotides 194-212 calmodulin 1 Rattus norvegicus 45-55 6301538-0 1983 Stimulation of rhodopsin phosphorylation by guanine nucleotides in rod outer segments. Guanine Nucleotides 44-63 rhodopsin Homo sapiens 15-24 6301538-2 1983 The phosphorylation of rhodopsin, the major protein-staining band (Mr approximately 34 000-38 000), was markedly and specifically increased by exposure of rod outer segments to light; various guanine nucleotides (10 microM) including GMP, GDP, and GTP also specifically increased rhodopsin phosphorylation (up to 5-fold). Guanine Nucleotides 192-211 rhodopsin Homo sapiens 23-32 6832378-2 1983 The amino group reactive reagent 2,4,6-trinitrobenzenesulfonate (TNBS), however, inhibited specifically the direct interactions of EF-2 with guanine nucleotides, but not the binding of GuoPP(CH2)P to the EF-2-ribosome complex. Guanine Nucleotides 141-160 eukaryotic translation elongation factor 2 Rattus norvegicus 131-135 6301374-0 1983 Guanine nucleotide activation and inhibition of adenylate cyclase as modified by islet-activating protein, pertussis toxin, in mouse 3T3 fibroblasts. Guanine Nucleotides 0-18 CD47 antigen (Rh-related antigen, integrin-associated signal transducer) Mus musculus 81-105 6301374-1 1983 Guanine nucleotide regulation of membrane adenylate cyclase activity was uniquely modified after exposure of 3T3 mouse fibroblasts to low concentrations of islet-activating protein (IAP), pertussis toxin. Guanine Nucleotides 0-18 CD47 antigen (Rh-related antigen, integrin-associated signal transducer) Mus musculus 156-180 6301374-1 1983 Guanine nucleotide regulation of membrane adenylate cyclase activity was uniquely modified after exposure of 3T3 mouse fibroblasts to low concentrations of islet-activating protein (IAP), pertussis toxin. Guanine Nucleotides 0-18 CD47 antigen (Rh-related antigen, integrin-associated signal transducer) Mus musculus 182-185 6300646-3 1983 Both ACTH and Ca2+ act to promote the activation of adenylate cyclase by guanine nucleotides such as guanyl-5"-yl imidodiphosphate [Gpp(NH)p]. Guanine Nucleotides 73-92 proopiomelanocortin Homo sapiens 5-9 6300646-4 1983 To define further the mechanisms by which Ca2+ and ACTH interact with guanine nucleotides, we have correlated the binding of [3H]Gpp(NH)p to adrenal membranes and solubilized membrane proteins with activation of membrane-bound and solubilized adenylate cyclase. Guanine Nucleotides 70-89 proopiomelanocortin Homo sapiens 51-55 6300646-15 1983 ACTH activates adenylate cyclase by promoting a step subsequent to the binding of guanine nucleotide. Guanine Nucleotides 82-100 proopiomelanocortin Homo sapiens 0-4 6297910-0 1983 Occurrence of an inhibitory guanine nucleotide-binding regulatory component of the adenylate cyclase system in cyc- variants of S49 lymphoma cells. Guanine Nucleotides 28-46 peptidylprolyl isomerase A, pseudogene 1 Mus musculus 93-96 6551177-7 1983 The instability of initiation complexes containing eIF-2, together with the impairment of guanine nucleotide exchange after phosphorylation of eIF-2 [Clemens, M.J., Pain, V.M., Wong, S.-T., & Henshaw, E. C. (1982) Nature (London) 296, 93-95], may be an important aspect of the mechanism of the inhibition of translation by the heme-controlled repressor. Guanine Nucleotides 90-108 eukaryotic translation initiation factor 2 subunit beta Homo sapiens 143-148 6133605-7 1983 However, it seems improbable that changes in pineal content of enzymes of guanine nucleotide metabolism are essential to regulation of diurnal cycles in cGMP content or level of NAT activity. Guanine Nucleotides 74-92 arylamine N-acetyltransferase, liver isozyme Gallus gallus 178-181 6133951-0 1983 Agonist binding to mammalian beta 1 and beta 2 adrenoceptors: modulation by guanine nucleotides and magnesium. Guanine Nucleotides 76-95 potassium calcium-activated channel subfamily M regulatory beta subunit 1 Homo sapiens 29-46 6302675-0 1983 Unmasking of magnesium-dependent high-affinity binding sites for [dAla2, dLeu5]enkephalin after pretreatment of brain membranes with guanine nucleotides. Guanine Nucleotides 133-152 proenkephalin Rattus norvegicus 79-89 6133951-3 1983 Beta 1 and beta 2 adrenoceptors, even within the same tissue, exhibited different ion and temperature requirements for guanine nucleotide modulation of agonist binding. Guanine Nucleotides 119-137 potassium calcium-activated channel subfamily M regulatory beta subunit 1 Homo sapiens 0-6 6133951-3 1983 Beta 1 and beta 2 adrenoceptors, even within the same tissue, exhibited different ion and temperature requirements for guanine nucleotide modulation of agonist binding. Guanine Nucleotides 119-137 potassium calcium-activated channel subfamily M regulatory beta subunit 2 Homo sapiens 11-17 6323709-6 1983 Finally, we have shown that DDT1 MF-2 cell beta 2-adrenergic receptor is functionally coupled to adenylate cyclase via a G/F protein complex as demonstrated in part by a guanine nucleotide requirement for isoproterenol stimulation of adenylate cyclase activity. Guanine Nucleotides 170-188 beta-2 adrenergic receptor Mesocricetus auratus 43-69 6922131-11 1982 Furthermore, it was reported that EF-1 alpha beta gamma seemed to dissociate into EF-1 alpha and EF-1 beta gamma when guanine nucleotides were present, and also to form a complex of EF-1 alpha . Guanine Nucleotides 118-137 EF1ALPHA Sus scrofa 34-44 6757248-0 1982 Guanine nucleotide inhibition of cyc- S49 mouse lymphoma cell membrane adenylyl cyclase. Guanine Nucleotides 0-18 peptidylprolyl isomerase A, pseudogene 1 Mus musculus 33-36 6757248-1 1982 Cyc- S49 mouse lymphoma cell membranes contain an adenylyl cyclase system which is deficient in the regulatory properties characteristic of a stimulatory guanine nucleotide-binding regulatory component (Ns), such as enhancement of activity in the presence of GTP, GTP analogues, and NaF. Guanine Nucleotides 154-172 peptidylprolyl isomerase A, pseudogene 1 Mus musculus 0-3 6757248-7 1982 Our results indicate the presence in cyc- S49 cell membranes of a guanine nucleotide-binding component which is inhibitory to adenylyl cyclase activity (Ni). Guanine Nucleotides 66-84 peptidylprolyl isomerase A, pseudogene 1 Mus musculus 37-40 7142167-7 1982 Guanine nucleotides, however, lose their ability to decrease agonist affinity for the histamine H1 receptor after solubilization. Guanine Nucleotides 0-19 histamine H1 receptor Cavia porcellus 86-107 6292515-11 1982 The p21 coded for by a mouse-derived oncogenic virus, BALB murine sarcoma virus, resembled the p21 coded for by c-rasH-1 in that it bound guanine nucleotides but did not label appreciably with 32Pi. Guanine Nucleotides 138-157 transcription elongation factor A (SII)-like 1 Mus musculus 4-7 6292515-11 1982 The p21 coded for by a mouse-derived oncogenic virus, BALB murine sarcoma virus, resembled the p21 coded for by c-rasH-1 in that it bound guanine nucleotides but did not label appreciably with 32Pi. Guanine Nucleotides 138-157 transcription elongation factor A (SII)-like 1 Mus musculus 95-98 6292515-12 1982 The forms of p21 coded for by other members of the ras gene family were compared, and the results indicate that the guanine nucleotide-binding activity is common to p21 molecules coded for by all known members of the ras gene family. Guanine Nucleotides 116-134 transcription elongation factor A (SII)-like 1 Mus musculus 13-16 6292515-12 1982 The forms of p21 coded for by other members of the ras gene family were compared, and the results indicate that the guanine nucleotide-binding activity is common to p21 molecules coded for by all known members of the ras gene family. Guanine Nucleotides 116-134 transcription elongation factor A (SII)-like 1 Mus musculus 165-168 6355764-8 1983 Mycophenolic acid (MPA), an inhibitor of de novo guanine nucleotide synthesis, inhibits the growth of hpt1 and hpt1+. Guanine Nucleotides 49-67 hypoxanthine phosphoribosyltransferase Saccharomyces cerevisiae S288C 102-106 6355764-8 1983 Mycophenolic acid (MPA), an inhibitor of de novo guanine nucleotide synthesis, inhibits the growth of hpt1 and hpt1+. Guanine Nucleotides 49-67 hypoxanthine phosphoribosyltransferase Saccharomyces cerevisiae S288C 111-115 6924897-7 1982 In contrast, complex formation by an almost homogeneous eIF-2 preparation was unaffected by HCR: sensitivity to HCR was however restored by a factor which catalyses exchange of guanine nucleotides bound to eIF-2. Guanine Nucleotides 177-196 eukaryotic translation initiation factor 2 alpha kinase 1 Rattus norvegicus 112-115 6292515-5 1982 The p21 proteins coded for by v-rasH and c-rasH-1 shared certain properties: each protein was synthesized as a precursor protein which subsequently became bound to the inner surface of the plasma membrane; each protein was associated with guanine nucleotide-binding activity, a property which copurified with p21 molecules on a high-pressure liquid chromatography molecular sizing column. Guanine Nucleotides 239-257 transcription elongation factor A (SII)-like 1 Mus musculus 4-7 6125514-8 1982 This modification of the guanine nucleotide-binding subunit of transducin is markedly enhanced by the bleaching of rhodopsin and by the addition of guanosine-5"-(beta, gamma-imino)triphosphate. Guanine Nucleotides 25-43 rhodopsin Homo sapiens 115-124 6922131-14 1982 On the contrary, however, when the interaction between EF-1 alpha beta gamma and guanine nucleotides was analyzed by gel filtration at 4 degrees C, the dissociation of EF-1 alpha beta gamma could not be detected, instead the formation of binary complexes containing EF-1 alpha beta gamma and guanine nucleotides was observed. Guanine Nucleotides 81-100 EF1ALPHA Sus scrofa 55-65 6922131-14 1982 On the contrary, however, when the interaction between EF-1 alpha beta gamma and guanine nucleotides was analyzed by gel filtration at 4 degrees C, the dissociation of EF-1 alpha beta gamma could not be detected, instead the formation of binary complexes containing EF-1 alpha beta gamma and guanine nucleotides was observed. Guanine Nucleotides 81-100 EF1ALPHA Sus scrofa 168-178 6922131-14 1982 On the contrary, however, when the interaction between EF-1 alpha beta gamma and guanine nucleotides was analyzed by gel filtration at 4 degrees C, the dissociation of EF-1 alpha beta gamma could not be detected, instead the formation of binary complexes containing EF-1 alpha beta gamma and guanine nucleotides was observed. Guanine Nucleotides 81-100 EF1ALPHA Sus scrofa 168-178 6922131-14 1982 On the contrary, however, when the interaction between EF-1 alpha beta gamma and guanine nucleotides was analyzed by gel filtration at 4 degrees C, the dissociation of EF-1 alpha beta gamma could not be detected, instead the formation of binary complexes containing EF-1 alpha beta gamma and guanine nucleotides was observed. Guanine Nucleotides 292-311 EF1ALPHA Sus scrofa 55-65 7200979-6 1982 It is concluded that IAP, added to intact cells or isolated membranes, causes unique modification of the receptor-adenylate cyclase coupling mechanism as a result of ADP ribosylation of the Mr = 41,000 protein which is presumably one of the subunits, other than the cholera toxin substrates, of the guanine nucleotide regulatory component of the cyclase system. Guanine Nucleotides 299-317 Cd47 molecule Rattus norvegicus 21-24 6125410-0 1982 Allosteric changes of the guanine nucleotide site of elongation factor EF-Tu: a comparative study of two kirromycin-resistant EF-Tu species. Guanine Nucleotides 26-44 Tu translation elongation factor, mitochondrial Homo sapiens 71-76 6176582-12 1982 The binding data can be explained by postulating two states of the D-2 dopamine receptor, inducible by agonists but not antagonists and modulated by guanine nucleotides. Guanine Nucleotides 149-168 dopamine receptor D2 Bos taurus 67-88 6125410-0 1982 Allosteric changes of the guanine nucleotide site of elongation factor EF-Tu: a comparative study of two kirromycin-resistant EF-Tu species. Guanine Nucleotides 26-44 Tu translation elongation factor, mitochondrial Homo sapiens 126-131 6282139-7 1982 However, in spite of the loss of guanine nucleotide stimulation of enzyme activity, the effects of guanine nucleotide on PTH binding were not altered in the presence of Mn2+. Guanine Nucleotides 99-117 parathyroid hormone Canis lupus familiaris 121-124 6279654-3 1982 Guanine nucleotides were observed to modify the binding of 125I-angiotensin II to rat hepatic plasma membrane receptors. Guanine Nucleotides 0-19 angiotensinogen Rattus norvegicus 64-78 6279654-7 1982 In analogous experiments using the angiotensin II antagonist, 125I-sarcosine1,Ala8-angiotensin II (125I-saralasin), guanine nucleotides minimally affected the interaction of 125I-saralasin with its receptor, increasing the dissociation rate 1.9-fold and the Kd 1.4-fold. Guanine Nucleotides 116-135 angiotensinogen Rattus norvegicus 35-49 6279654-7 1982 In analogous experiments using the angiotensin II antagonist, 125I-sarcosine1,Ala8-angiotensin II (125I-saralasin), guanine nucleotides minimally affected the interaction of 125I-saralasin with its receptor, increasing the dissociation rate 1.9-fold and the Kd 1.4-fold. Guanine Nucleotides 116-135 angiotensinogen Rattus norvegicus 83-97 6279654-13 1982 The ability of angiotensin II to inhibit cyclic AMP synthesis may provide an explanation for the observed effects of guanine nucleotides on 125I-angiotensin II binding to plasma membranes. Guanine Nucleotides 117-136 angiotensinogen Rattus norvegicus 15-29 6279654-13 1982 The ability of angiotensin II to inhibit cyclic AMP synthesis may provide an explanation for the observed effects of guanine nucleotides on 125I-angiotensin II binding to plasma membranes. Guanine Nucleotides 117-136 angiotensinogen Rattus norvegicus 145-159 6287003-7 1982 The monoclonal antibodies have been used to confirm two properties associated with p21; localization at the inner surface of the membrane of Ha-MuSV-transformed cells, assayed by immunofluorescence microscopy, and binding of guanine nucleotides. Guanine Nucleotides 225-244 cyclin-dependent kinase inhibitor 1A (P21) Mus musculus 83-86 6125533-1 1981 The specificity of guanine nucleotide regulatory site(s) of rat pancreatic plasma membranes involved in adenylate cyclase activation, basal and cholecystokinin (CCK)-stimulated specific GTPase activity, and [125I]-CCK-33 binding was documented. Guanine Nucleotides 19-37 cholecystokinin Rattus norvegicus 144-159 6274205-0 1981 Regulation of the PTH-receptor-cyclase system of canine kidney: effects of calcium, magnesium, and guanine nucleotides. Guanine Nucleotides 99-118 parathyroid hormone Canis lupus familiaris 18-21 6274205-1 1981 These studies examine the interactions of Ca2+, Mg2+, and guanine nucleotides with PTH binding to renal receptors and activation of adenylate cyclase in a purified preparation of basolateral renal cortical membranes. Guanine Nucleotides 58-77 parathyroid hormone Canis lupus familiaris 83-86 6274205-10 1981 This was partly explained by a marked effect of guanine nucleotides on the dissociation rate of receptor-bound PTH. Guanine Nucleotides 48-67 parathyroid hormone Canis lupus familiaris 111-114 7063012-0 1982 Phosphorylation inhibits guanine nucleotide exchange on eukaryotic initiation factor 2. Guanine Nucleotides 25-43 transcription termination factor 2 Homo sapiens 78-86 6289045-0 1982 Characterization of tubulin and microtubule-associated protein interactions with guanine nucleotides and their nonhydrolyzable analogs. Guanine Nucleotides 81-100 regulator of microtubule dynamics 1 Homo sapiens 32-62 7306531-0 1981 Modification of two essential cysteines in rabbit muscle pyruvate kinase by the guanine nucleotide analogue 5"[p-(fluorosulfonyl) benzoyl] guanosine. Guanine Nucleotides 80-98 pyruvate kinase PKLR Oryctolagus cuniculus 57-72 7236727-3 1981 Thus, it is conceivable that the release of the growth hormone or the inhibition of prolactin release by acetylcholine, which we and others have previously shown, is modulated by the opposite actions of guanine nucleotides and divalent metal ions such as Mg2+. Guanine Nucleotides 203-222 gonadotropin releasing hormone receptor Rattus norvegicus 48-62 6125533-6 1981 The present data indicate that the guanine nucleotide regulatory units involved in adenylate cyclase activation, GTPase activity and CCK binding have similar properties in rat pancreatic plasma membranes. Guanine Nucleotides 35-53 cholecystokinin Rattus norvegicus 133-136 6125533-1 1981 The specificity of guanine nucleotide regulatory site(s) of rat pancreatic plasma membranes involved in adenylate cyclase activation, basal and cholecystokinin (CCK)-stimulated specific GTPase activity, and [125I]-CCK-33 binding was documented. Guanine Nucleotides 19-37 cholecystokinin Rattus norvegicus 161-164 6125533-1 1981 The specificity of guanine nucleotide regulatory site(s) of rat pancreatic plasma membranes involved in adenylate cyclase activation, basal and cholecystokinin (CCK)-stimulated specific GTPase activity, and [125I]-CCK-33 binding was documented. Guanine Nucleotides 19-37 cholecystokinin Rattus norvegicus 214-217 6100954-2 1981 The guanine nucleotides, guanosine-5"-triphosphate and guanylyl-5"-imidodiphosphate, significantly inhibited the binding of radiolabeled vasoactive intestinal polypeptide but not that of [Tyr4]bombesin to rat brain membranes. Guanine Nucleotides 4-23 vasoactive intestinal peptide Rattus norvegicus 137-170 6100954-3 1981 Vasoactive intestinal polypeptide binding was inhibited by guanine nucleotides in a dose-dependent manner. Guanine Nucleotides 59-78 vasoactive intestinal peptide Rattus norvegicus 0-33 6900508-0 1980 Proton nuclear magnetic resonance study on the roles of histidine residues in the binding of polypeptide chain elongation factor Tu from Thermus thermophilus with aminoacyl transfer ribonucleic acid and guanine nucleotides. Guanine Nucleotides 203-222 elongation factor Tu Thermus thermophilus HB8 111-131 6254514-0 1980 Differential effects of guanine nucleotides on the first step of VIP and glucagon action in membranes from liver cells. Guanine Nucleotides 24-43 vasoactive intestinal peptide Homo sapiens 65-68 6259003-0 1981 Guanine nucleotides modulate TRH-receptor binding in sheep anterior pituitary. Guanine Nucleotides 0-19 thyrotropin-releasing hormone receptor Ovis aries 29-41 6900508-10 1980 Furthermore, the effect of paramagnetic hexacyanochromate(III) ion on the 1H NMR spectra of free EF-Tu suggests that another histidine residue lies near the guanine nucleotide binding site. Guanine Nucleotides 157-175 elongation factor Tu Thermus thermophilus HB8 97-102 6244163-1 1980 Binding of periodate-oxidized guanine nucleotides to EF-2. Guanine Nucleotides 30-49 eukaryotic translation elongation factor 2 Rattus norvegicus 53-57 6244163-2 1980 Interactions of rat liver elongation factor 2 (EF-2) with guanine nucleotides and ribosomes were studied by equilibrium dialysis and sedimentation methods. Guanine Nucleotides 58-77 eukaryotic translation elongation factor 2 Rattus norvegicus 26-45 6244163-0 1980 Interactions of elongation factor 2 (EF-2) with guanine nucleotides and ribosomes. Guanine Nucleotides 48-67 eukaryotic translation elongation factor 2 Rattus norvegicus 16-35 6244163-2 1980 Interactions of rat liver elongation factor 2 (EF-2) with guanine nucleotides and ribosomes were studied by equilibrium dialysis and sedimentation methods. Guanine Nucleotides 58-77 eukaryotic translation elongation factor 2 Rattus norvegicus 47-51 6244163-0 1980 Interactions of elongation factor 2 (EF-2) with guanine nucleotides and ribosomes. Guanine Nucleotides 48-67 eukaryotic translation elongation factor 2 Rattus norvegicus 37-41 6244163-4 1980 NaIO4-oxidized guanine nucleotides (oGDP) (Kd = 38 microM) and oxidized/reduced guanine nucleotides (orGDP) (Kd = 27 microM) had lower affinites to the binding site on EF-2 than those of GDP or GTP. Guanine Nucleotides 15-34 eukaryotic translation elongation factor 2 Rattus norvegicus 168-172 6244163-4 1980 NaIO4-oxidized guanine nucleotides (oGDP) (Kd = 38 microM) and oxidized/reduced guanine nucleotides (orGDP) (Kd = 27 microM) had lower affinites to the binding site on EF-2 than those of GDP or GTP. Guanine Nucleotides 80-99 eukaryotic translation elongation factor 2 Rattus norvegicus 168-172 7373937-0 1980 [Effects of guanine nucleotides on vasopressin-induced increment of water permeability of the toad bladder (author"s transl)]. Guanine Nucleotides 12-31 arginine vasopressin Homo sapiens 35-46 7359139-0 1980 Histamine H1-receptor binding sites in guinea pig brain membranes: regulation of agonist interactions by guanine nucleotides and cations. Guanine Nucleotides 105-124 histamine H1 receptor Cavia porcellus 0-21 228288-0 1979 Guanine nucleotide-binding activity as an assay for src protein of rat-derived murine sarcoma viruses. Guanine Nucleotides 0-18 SRC proto-oncogene, non-receptor tyrosine kinase Rattus norvegicus 52-55 6261655-0 1980 Guanine nucleotide binding activity of the src gene product of rat-derived murine sarcoma viruses. Guanine Nucleotides 0-18 SRC proto-oncogene, non-receptor tyrosine kinase Rattus norvegicus 43-46 228288-3 1979 We report herein that when extracts from cells transformed by Kirsten or Harvey sarcoma virus are incubated with [(3)H]GDP or [alpha-(32)P]GTP, picomole quantities of guanine nucleotide can be immunoprecipitated with antisera that contain antibodies to the p21. Guanine Nucleotides 167-185 KRAS proto-oncogene, GTPase Rattus norvegicus 257-260 228288-7 1979 The results suggest an interaction between p21 and certain guanine nucleotides, and the possible roles of guanine nucleotides and p21 in the maintenance of transformation are discussed. Guanine Nucleotides 59-78 KRAS proto-oncogene, GTPase Rattus norvegicus 43-46 364475-1 1978 Pulvomycin and the synonymous antibiotics labilomycin and 1063-Z are shown to inhibit prokaryotic protein synthesis by acting on elongation factor Tu (EF-Tu): in the presence of the antibiotic, the affinity of EF-Tu for guanine nucleotides is altered, the EF-Tu.GDP/GTP exchange is catalyzed, and the formation of the EF-Tu.GTP complex is stimulated. Guanine Nucleotides 220-239 eukaryotic translation elongation factor 1 alpha 1 Homo sapiens 129-149 364475-1 1978 Pulvomycin and the synonymous antibiotics labilomycin and 1063-Z are shown to inhibit prokaryotic protein synthesis by acting on elongation factor Tu (EF-Tu): in the presence of the antibiotic, the affinity of EF-Tu for guanine nucleotides is altered, the EF-Tu.GDP/GTP exchange is catalyzed, and the formation of the EF-Tu.GTP complex is stimulated. Guanine Nucleotides 220-239 eukaryotic translation elongation factor 1 alpha 1 Homo sapiens 151-156 364475-1 1978 Pulvomycin and the synonymous antibiotics labilomycin and 1063-Z are shown to inhibit prokaryotic protein synthesis by acting on elongation factor Tu (EF-Tu): in the presence of the antibiotic, the affinity of EF-Tu for guanine nucleotides is altered, the EF-Tu.GDP/GTP exchange is catalyzed, and the formation of the EF-Tu.GTP complex is stimulated. Guanine Nucleotides 220-239 eukaryotic translation elongation factor 1 alpha 1 Homo sapiens 210-215 364475-1 1978 Pulvomycin and the synonymous antibiotics labilomycin and 1063-Z are shown to inhibit prokaryotic protein synthesis by acting on elongation factor Tu (EF-Tu): in the presence of the antibiotic, the affinity of EF-Tu for guanine nucleotides is altered, the EF-Tu.GDP/GTP exchange is catalyzed, and the formation of the EF-Tu.GTP complex is stimulated. Guanine Nucleotides 220-239 eukaryotic translation elongation factor 1 alpha 1 Homo sapiens 210-215 364475-1 1978 Pulvomycin and the synonymous antibiotics labilomycin and 1063-Z are shown to inhibit prokaryotic protein synthesis by acting on elongation factor Tu (EF-Tu): in the presence of the antibiotic, the affinity of EF-Tu for guanine nucleotides is altered, the EF-Tu.GDP/GTP exchange is catalyzed, and the formation of the EF-Tu.GTP complex is stimulated. Guanine Nucleotides 220-239 eukaryotic translation elongation factor 1 alpha 1 Homo sapiens 210-215 269389-5 1977 The results suggest that EF-Ts and kirromycin induce a similar conformational change in EF-Tu, thereby "opening" the guanine nucleotide binding site. Guanine Nucleotides 117-135 Ts translation elongation factor, mitochondrial Homo sapiens 25-30 200996-4 1977 The guanine nucleotide analogue 5"-guanylyl-imidodiphosphate GMP (PNP) when applied in the same concentration range, stimulated basal as well as PTH-activated adenylate cyclase activity up to 300%. Guanine Nucleotides 4-22 5'-nucleotidase, cytosolic II Homo sapiens 61-64 200996-4 1977 The guanine nucleotide analogue 5"-guanylyl-imidodiphosphate GMP (PNP) when applied in the same concentration range, stimulated basal as well as PTH-activated adenylate cyclase activity up to 300%. Guanine Nucleotides 4-22 parathyroid hormone Homo sapiens 145-148 269389-5 1977 The results suggest that EF-Ts and kirromycin induce a similar conformational change in EF-Tu, thereby "opening" the guanine nucleotide binding site. Guanine Nucleotides 117-135 Tu translation elongation factor, mitochondrial Homo sapiens 88-93 187579-1 1976 The conformational transition of the polypeptide chain elongation factor G (EF-G) induced by interaction with guanine nucleotide has been investigated by means of the spin-labeling technique. Guanine Nucleotides 110-128 G elongation factor mitochondrial 1 Homo sapiens 55-74 187579-1 1976 The conformational transition of the polypeptide chain elongation factor G (EF-G) induced by interaction with guanine nucleotide has been investigated by means of the spin-labeling technique. Guanine Nucleotides 110-128 G elongation factor mitochondrial 1 Homo sapiens 76-80 187579-8 1976 78, 243-246) demonstrate the existence of an EF-G-guanine nucleotide binary complex. Guanine Nucleotides 50-68 G elongation factor mitochondrial 1 Homo sapiens 45-49 187579-3 1976 It was found that the ESR spectra of EF-G labeled with nitroxide maleimide reagents were modified by the addition of various guanine nucleotides such as GDP, GTP and, to a lesser extent, by Gpp(NH)p and Gpp(CH2)p, indicating that conformational changes accompany the binding of nucleotide ligand. Guanine Nucleotides 125-144 G elongation factor mitochondrial 1 Homo sapiens 37-41 1182198-10 1975 Erythrocytes had excellent purine salvage capacity, but due to the relatively low activity of adenosine deaminase, deamination might be rate limiting in the formation of guanine nucleotides. Guanine Nucleotides 170-189 adenosine deaminase Homo sapiens 94-113 5256231-2 1969 The patients are deficient in hypoxanthine-guanine phosphoribosyltransferase, which converts hypoxanthine to inosinic acid, a major precursor of adenine and guanine nucleotides. Guanine Nucleotides 157-176 hypoxanthine phosphoribosyltransferase 1 Homo sapiens 30-76 172034-4 1975 Our current understanding of the roles of hormones, substrate, magnesium, calcium, and guanine nucleotides as regulators of adenyl cyclase activity is summarized. Guanine Nucleotides 87-106 adenylate cyclase 1 Homo sapiens 124-138 4928005-6 1971 (iv) The pathway by which exogenous adenine is converted to guanine nucleotides in the presence of histidine requires a functional purine nucleoside phosphorylase. Guanine Nucleotides 60-79 purine-nucleoside phosphorylase Salmonella enterica subsp. enterica serovar Typhimurium str. LT2 131-162 33586155-4 2021 N-terminal-deleted Rho guanine nucleotide dissociation inhibitor beta (RhoGDIbeta/RhoGDI2/LyGDI) produced by caspase-3 activation perturbs spindle orientation in surviving cells following exposure to either ionizing radiation or UVC. Guanine Nucleotides 23-41 Rho GDP dissociation inhibitor beta Homo sapiens 71-81 5620641-0 1967 [Regulation of GMP-synthetase reaction by guanine nucleotides]. Guanine Nucleotides 42-61 guanine monophosphate synthase Homo sapiens 15-29 33872697-10 2021 EPAC acts as the guanine nucleotide exchange factor for the small GTPase Rap1. Guanine Nucleotides 17-35 Rap guanine nucleotide exchange factor 3 Homo sapiens 0-4 33872697-10 2021 EPAC acts as the guanine nucleotide exchange factor for the small GTPase Rap1. Guanine Nucleotides 17-35 RAP1A, member of RAS oncogene family Homo sapiens 73-77 33586155-4 2021 N-terminal-deleted Rho guanine nucleotide dissociation inhibitor beta (RhoGDIbeta/RhoGDI2/LyGDI) produced by caspase-3 activation perturbs spindle orientation in surviving cells following exposure to either ionizing radiation or UVC. Guanine Nucleotides 23-41 Rho GDP dissociation inhibitor beta Homo sapiens 82-89 33586155-4 2021 N-terminal-deleted Rho guanine nucleotide dissociation inhibitor beta (RhoGDIbeta/RhoGDI2/LyGDI) produced by caspase-3 activation perturbs spindle orientation in surviving cells following exposure to either ionizing radiation or UVC. Guanine Nucleotides 23-41 Rho GDP dissociation inhibitor beta Homo sapiens 90-95 33586155-4 2021 N-terminal-deleted Rho guanine nucleotide dissociation inhibitor beta (RhoGDIbeta/RhoGDI2/LyGDI) produced by caspase-3 activation perturbs spindle orientation in surviving cells following exposure to either ionizing radiation or UVC. Guanine Nucleotides 23-41 caspase 3 Homo sapiens 109-118 33947796-2 2021 P-Rex2 is a guanine nucleotide exchange factor for Rho GTPases and can be activated by Gbetagamma subunits downstream of G protein-coupled receptor signaling and by PI(3,4,5)P3 downstream of receptor tyrosine kinases. Guanine Nucleotides 12-30 phosphatidylinositol-3,4,5-trisphosphate dependent Rac exchange factor 2 Homo sapiens 0-6 34026780-6 2021 Recently, an amino acid aspartate (D) to glycine (G) (D614G) mutation due to an adenine to guanine nucleotide change at position 23,403 at the 614th amino-acid position of the spike protein in the original reference genotype has been identified. Guanine Nucleotides 91-109 surface glycoprotein Severe acute respiratory syndrome coronavirus 2 176-181 33492483-0 2021 Expression analyses of PLEKHG2, a Rho family-specific guanine nucleotide exchange factor, during mouse brain development. Guanine Nucleotides 54-72 pleckstrin homology domain containing, family G (with RhoGef domain) member 2 Mus musculus 23-30 33492483-1 2021 Abnormalities of PLEKHG2 gene, encoding a Rho family-specific guanine nucleotide exchange factor, are involved in microcephaly with intellectual disability. Guanine Nucleotides 62-80 pleckstrin homology domain containing, family G (with RhoGef domain) member 2 Mus musculus 17-24 34015029-0 2021 Correction: The Rho Guanine Nucleotide Exchange Factor DRhoGEF2 Is a Genetic Modifier of the PI3K Pathway in Drosophila. Guanine Nucleotides 20-38 Rho guanine nucleotide exchange factor 2 Drosophila melanogaster 55-63 33960038-0 2021 Cyclic AMP-dependent activation of ERK via GLP-1 receptor signalling requires the neuroendocrine cell-specific guanine nucleotide exchanger NCS-RapGEF2. Guanine Nucleotides 111-129 mitogen-activated protein kinase 1 Homo sapiens 35-38 33960038-0 2021 Cyclic AMP-dependent activation of ERK via GLP-1 receptor signalling requires the neuroendocrine cell-specific guanine nucleotide exchanger NCS-RapGEF2. Guanine Nucleotides 111-129 glucagon like peptide 1 receptor Homo sapiens 43-57 33960038-0 2021 Cyclic AMP-dependent activation of ERK via GLP-1 receptor signalling requires the neuroendocrine cell-specific guanine nucleotide exchanger NCS-RapGEF2. Guanine Nucleotides 111-129 Rap guanine nucleotide exchange factor 2 Homo sapiens 144-151 31607221-5 2021 During these processes, the activity of RAB-35 is controlled by the candidate GTPase-activating protein (GAP) TBC-10 and the candidate guanine nucleotide exchange factor (GEF) FLCN-1. Guanine Nucleotides 135-153 RAB family Caenorhabditis elegans 40-46 33320336-6 2021 Further, we show that PLPPR1 reduces the activation of Ras homolog family member A (RhoA) by LPA in Neuro-2a cells, and that this due to an association of PLPPR1with the Rho-specific guanine nucleotide dissociation inhibitor (RhoGDI1). Guanine Nucleotides 183-201 phospholipid phosphatase related 1 Mus musculus 22-28 33320336-6 2021 Further, we show that PLPPR1 reduces the activation of Ras homolog family member A (RhoA) by LPA in Neuro-2a cells, and that this due to an association of PLPPR1with the Rho-specific guanine nucleotide dissociation inhibitor (RhoGDI1). Guanine Nucleotides 183-201 ras homolog family member A Mus musculus 55-82 33320336-6 2021 Further, we show that PLPPR1 reduces the activation of Ras homolog family member A (RhoA) by LPA in Neuro-2a cells, and that this due to an association of PLPPR1with the Rho-specific guanine nucleotide dissociation inhibitor (RhoGDI1). Guanine Nucleotides 183-201 ras homolog family member A Mus musculus 84-88 33320336-6 2021 Further, we show that PLPPR1 reduces the activation of Ras homolog family member A (RhoA) by LPA in Neuro-2a cells, and that this due to an association of PLPPR1with the Rho-specific guanine nucleotide dissociation inhibitor (RhoGDI1). Guanine Nucleotides 183-201 phospholipid phosphatase related 1 Mus musculus 155-161 33320336-6 2021 Further, we show that PLPPR1 reduces the activation of Ras homolog family member A (RhoA) by LPA in Neuro-2a cells, and that this due to an association of PLPPR1with the Rho-specific guanine nucleotide dissociation inhibitor (RhoGDI1). Guanine Nucleotides 183-201 Rho GDP dissociation inhibitor (GDI) alpha Mus musculus 226-233 33465404-1 2021 The Neuroepithelial transforming gene 1 (Net1) is a RhoA subfamily guanine nucleotide exchange factor that is overexpressed in a number of cancers and contributes to cancer cell motility and proliferation. Guanine Nucleotides 67-85 neuroepithelial cell transforming 1 Homo sapiens 4-39 33831510-3 2021 Ras Guanine Nucleotide Releasing Factor 2 (RasGRF2) is one of two guanine nucleotide exchange factors (GEF) that regulates the Ras-ERK signaling pathway in a Ca2+-dependent manner via control of the cycling of Ras isoforms between an inactive and active state. Guanine Nucleotides 66-84 RAS protein-specific guanine nucleotide-releasing factor 2 Mus musculus 43-50 33831510-3 2021 Ras Guanine Nucleotide Releasing Factor 2 (RasGRF2) is one of two guanine nucleotide exchange factors (GEF) that regulates the Ras-ERK signaling pathway in a Ca2+-dependent manner via control of the cycling of Ras isoforms between an inactive and active state. Guanine Nucleotides 66-84 mitogen-activated protein kinase 1 Mus musculus 131-134 33739090-4 2021 The information stemming from the analyses of FELs reveals that the conformations of SW1 and SW2 are in high disorders in the GDP- and GTP-associated WT and mutated K-Ras, possibly producing significant effect on binding of guanine nucleotide exchange factors or effectors to K-Ras. Guanine Nucleotides 224-242 WD repeat domain 82 pseudogene 1 Homo sapiens 93-96 33739090-4 2021 The information stemming from the analyses of FELs reveals that the conformations of SW1 and SW2 are in high disorders in the GDP- and GTP-associated WT and mutated K-Ras, possibly producing significant effect on binding of guanine nucleotide exchange factors or effectors to K-Ras. Guanine Nucleotides 224-242 KRAS proto-oncogene, GTPase Homo sapiens 165-170 33739090-4 2021 The information stemming from the analyses of FELs reveals that the conformations of SW1 and SW2 are in high disorders in the GDP- and GTP-associated WT and mutated K-Ras, possibly producing significant effect on binding of guanine nucleotide exchange factors or effectors to K-Ras. Guanine Nucleotides 224-242 KRAS proto-oncogene, GTPase Homo sapiens 276-281 33834495-1 2021 RAPGEF1 is a guanine nucleotide exchange factor responsible for transmitting extracellular signals to the Ras family of GTPase located at the inside of membrane. Guanine Nucleotides 13-31 Rap guanine nucleotide exchange factor 1 Homo sapiens 0-7 33465404-1 2021 The Neuroepithelial transforming gene 1 (Net1) is a RhoA subfamily guanine nucleotide exchange factor that is overexpressed in a number of cancers and contributes to cancer cell motility and proliferation. Guanine Nucleotides 67-85 neuroepithelial cell transforming 1 Homo sapiens 41-45 33465404-1 2021 The Neuroepithelial transforming gene 1 (Net1) is a RhoA subfamily guanine nucleotide exchange factor that is overexpressed in a number of cancers and contributes to cancer cell motility and proliferation. Guanine Nucleotides 67-85 ras homolog family member A Homo sapiens 52-56 33478608-0 2021 Loss of Arf Guanine Nucleotide Exchange Factor GBF1 Activity Disturbs Organelle Dynamics in Mouse Oocytes. Guanine Nucleotides 12-30 golgi-specific brefeldin A-resistance factor 1 Mus musculus 47-51 33513624-2 2021 The objective of this study is to clarify the imprinted regulation of the guanine nucleotide binding-protein alpha-stimulating activity polypeptide 1 (GNAS) cluster in the occurrence and development of AD-PHP1B based on animal and clinical patient studies. Guanine Nucleotides 74-92 GNAS complex locus Homo sapiens 151-155 33478608-1 2021 GBF1 [Golgi brefeldin A (BFA) resistance factor 1] is a member of the guanine nucleotide exchange factors Arf family. Guanine Nucleotides 70-88 golgi-specific brefeldin A-resistance factor 1 Mus musculus 0-4 33501895-3 2021 In this study, we found that YAP1 regulates the expression of epithelial cell transforming 2 (ECT2), a guanine nucleotide exchange factor for Rho-like GTPases. Guanine Nucleotides 103-121 Yes1 associated transcriptional regulator Homo sapiens 29-33 31576007-6 2021 CaMKK1/CaMKIalpha signaling regulates actin cytoskeleton remodeling in the DH and behavioral plasticity by activation of Rac1 via acting Rac guanine-nucleotide-exchange factor betaPIX. Guanine Nucleotides 141-159 calcium/calmodulin-dependent protein kinase kinase 1 Rattus norvegicus 0-6 31576007-6 2021 CaMKK1/CaMKIalpha signaling regulates actin cytoskeleton remodeling in the DH and behavioral plasticity by activation of Rac1 via acting Rac guanine-nucleotide-exchange factor betaPIX. Guanine Nucleotides 141-159 calcium/calmodulin-dependent protein kinase I Rattus norvegicus 7-17 31576007-6 2021 CaMKK1/CaMKIalpha signaling regulates actin cytoskeleton remodeling in the DH and behavioral plasticity by activation of Rac1 via acting Rac guanine-nucleotide-exchange factor betaPIX. Guanine Nucleotides 141-159 Rac family small GTPase 1 Rattus norvegicus 121-125 31576007-6 2021 CaMKK1/CaMKIalpha signaling regulates actin cytoskeleton remodeling in the DH and behavioral plasticity by activation of Rac1 via acting Rac guanine-nucleotide-exchange factor betaPIX. Guanine Nucleotides 141-159 Rho guanine nucleotide exchange factor 7 Rattus norvegicus 176-183 33833821-1 2021 Background: Rho guanine nucleotide exchange factor 10-like protein (ARHGEF10L) is a member of the guanine nucleotide exchange factor family, which regulates Rho GTPase activities, thus contributing to tumorigenesis. Guanine Nucleotides 16-34 Rho guanine nucleotide exchange factor 10 like Homo sapiens 68-77 33723354-0 2021 Homozygous variant in MADD, encoding a Rab guanine nucleotide exchange factor, results in pleiotropic effects and a multisystemic disorder. Guanine Nucleotides 43-61 MAP kinase activating death domain Homo sapiens 22-26 33723370-5 2021 The GNAI3 gene encodes a heterotrimeric guanine nucleotide-binding protein. Guanine Nucleotides 40-58 G protein subunit alpha i3 Homo sapiens 4-9 33660564-2 2021 ELMO proteins form a tight complex with the DOCK1-5 guanine nucleotide exchange factors that regulate RAC1 spatiotemporal activation and signalling. Guanine Nucleotides 52-70 dedicator of cytokinesis 1 Homo sapiens 44-49 33660564-2 2021 ELMO proteins form a tight complex with the DOCK1-5 guanine nucleotide exchange factors that regulate RAC1 spatiotemporal activation and signalling. Guanine Nucleotides 52-70 Rac family small GTPase 1 Homo sapiens 102-106 33501895-3 2021 In this study, we found that YAP1 regulates the expression of epithelial cell transforming 2 (ECT2), a guanine nucleotide exchange factor for Rho-like GTPases. Guanine Nucleotides 103-121 epithelial cell transforming 2 Homo sapiens 62-92 33501895-3 2021 In this study, we found that YAP1 regulates the expression of epithelial cell transforming 2 (ECT2), a guanine nucleotide exchange factor for Rho-like GTPases. Guanine Nucleotides 103-121 epithelial cell transforming 2 Homo sapiens 94-98 33298248-2 2021 The discovery of exchange protein activated by cAMP (Epac) as a guanine nucleotide exchange factor for Rap GTPases has shed light on protein kinase A (PKA)-independent functions of cAMP signaling in neural tissues. Guanine Nucleotides 64-82 Rap guanine nucleotide exchange factor 3 Homo sapiens 53-57 33675748-4 2021 Here we describe a long isoform of the guanine nucleotide exchange factor GIV/Girdin (CCDC88A) that we named GIV-L, which is conserved throughout evolution, from invertebrates to vertebrates, and contains a PBM. Guanine Nucleotides 39-57 coiled-coil domain containing 88A Homo sapiens 74-77 33675748-4 2021 Here we describe a long isoform of the guanine nucleotide exchange factor GIV/Girdin (CCDC88A) that we named GIV-L, which is conserved throughout evolution, from invertebrates to vertebrates, and contains a PBM. Guanine Nucleotides 39-57 coiled-coil domain containing 88A Homo sapiens 78-84 33675748-4 2021 Here we describe a long isoform of the guanine nucleotide exchange factor GIV/Girdin (CCDC88A) that we named GIV-L, which is conserved throughout evolution, from invertebrates to vertebrates, and contains a PBM. Guanine Nucleotides 39-57 coiled-coil domain containing 88A Homo sapiens 86-93 33675748-4 2021 Here we describe a long isoform of the guanine nucleotide exchange factor GIV/Girdin (CCDC88A) that we named GIV-L, which is conserved throughout evolution, from invertebrates to vertebrates, and contains a PBM. Guanine Nucleotides 39-57 coiled-coil domain containing 88A Homo sapiens 109-112 33597305-1 2021 Ephexin family guanine nucleotide exchange factors (GEFs) transfer signals from Eph tyrosine kinase receptors to Rho GTPases, which play critical roles in diverse cellular processes, as well as cancers and brain disorders. Guanine Nucleotides 15-33 neuronal guanine nucleotide exchange factor Homo sapiens 0-7 33271334-5 2021 AGC1.5 subfamily kinases interact with and phosphorylate guanine nucleotide exchange factors (GEFs) of ROPs, i.e. RopGEF4 and RopGEF10. Guanine Nucleotides 57-75 aggrecan Homo sapiens 0-4 33405949-0 2021 Modeling the dynamic behaviors of the COPI vesicle formation regulators, the small GTPase Arf1 and its activating Sec7 guanine nucleotide exchange factor GBF1 on Golgi membranes. Guanine Nucleotides 119-137 ADP ribosylation factor 1 Homo sapiens 90-94 33405949-0 2021 Modeling the dynamic behaviors of the COPI vesicle formation regulators, the small GTPase Arf1 and its activating Sec7 guanine nucleotide exchange factor GBF1 on Golgi membranes. Guanine Nucleotides 119-137 cytohesin 1 Homo sapiens 114-118 33405949-0 2021 Modeling the dynamic behaviors of the COPI vesicle formation regulators, the small GTPase Arf1 and its activating Sec7 guanine nucleotide exchange factor GBF1 on Golgi membranes. Guanine Nucleotides 119-137 golgi brefeldin A resistant guanine nucleotide exchange factor 1 Homo sapiens 154-158 33405949-2 2021 The coating cascade is initiated after the small GTPase Arf1 is activated by the Sec7 domain-containing guanine nucleotide exchange factor GBF1. Guanine Nucleotides 104-122 ADP ribosylation factor 1 Homo sapiens 56-60 33405949-2 2021 The coating cascade is initiated after the small GTPase Arf1 is activated by the Sec7 domain-containing guanine nucleotide exchange factor GBF1. Guanine Nucleotides 104-122 cytohesin 1 Homo sapiens 81-85 33405949-2 2021 The coating cascade is initiated after the small GTPase Arf1 is activated by the Sec7 domain-containing guanine nucleotide exchange factor GBF1. Guanine Nucleotides 104-122 golgi brefeldin A resistant guanine nucleotide exchange factor 1 Homo sapiens 139-143 31032735-5 2021 Current knowledge on roles for specific PI 3-kinase pathway responsive Rac guanine nucleotide exchange factors in glioblastoma is reviewed. Guanine Nucleotides 75-93 AKT serine/threonine kinase 1 Homo sapiens 71-74 33220178-2 2021 ISRIB and eIF2(alphaP) bind distinct sites in their common target, eIF2B, a guanine nucleotide exchange factor for eIF2. Guanine Nucleotides 76-94 eukaryotic translation initiation factor 2 subunit alpha Homo sapiens 10-14 33445154-3 2021 The protein-protein interaction (PPI) of APC with Asef (A Rac specific guanine nucleotide exchange factor) overwhelms the patient"s conditions by rapidly spreading in the entire colorectal region. Guanine Nucleotides 71-89 APC regulator of WNT signaling pathway Homo sapiens 41-44 33512434-6 2021 Mechanistically, RNA-Seq analysis and quantitative proteomics study identified that Rasgrp1, a Ras guanine nucleotide exchange factor, was greatly downregulated in mouse and human ETP-ALL. Guanine Nucleotides 99-117 RAS guanyl releasing protein 1 Mus musculus 84-91 33445154-3 2021 The protein-protein interaction (PPI) of APC with Asef (A Rac specific guanine nucleotide exchange factor) overwhelms the patient"s conditions by rapidly spreading in the entire colorectal region. Guanine Nucleotides 71-89 Rho guanine nucleotide exchange factor 4 Homo sapiens 50-54 33517841-5 2021 We have shown elevated expression levels of the Ras guanine nucleotide exchange factor RasGRP1 in T-ALL patients, which results in constant production of active Ras (RasGTP). Guanine Nucleotides 52-70 RAS guanyl releasing protein 1 Homo sapiens 87-94 33559155-3 2021 Dedicator of cytokinesis 4 (DOCK4) is a member of the DOCK-B subfamily of the DOCK family of guanine nucleotide exchange factors. Guanine Nucleotides 93-111 dedicator of cytokinesis 4 Mus musculus 28-33 33268547-9 2021 In this study, we examined the role of dopamine signaling through the D1 receptor via a novel pathway initiated through the cAMP-activated guanine nucleotide exchange factor NCS-Rapgef2 in mice. Guanine Nucleotides 139-157 dopamine receptor D1 Mus musculus 70-81 33268547-9 2021 In this study, we examined the role of dopamine signaling through the D1 receptor via a novel pathway initiated through the cAMP-activated guanine nucleotide exchange factor NCS-Rapgef2 in mice. Guanine Nucleotides 139-157 Rap guanine nucleotide exchange factor (GEF) 2 Mus musculus 178-185 33310872-1 2021 ADP-ribosylation factor (Arf) family consisting of six family members, Arf1-Arf6, belongs to Ras superfamily and orchestrates vesicle trafficking under the control of guanine nucleotide exchange factors (GEFs) and GTPase-activating proteins. Guanine Nucleotides 167-185 ADP-ribosylation factor 1 Mus musculus 71-75 33310872-1 2021 ADP-ribosylation factor (Arf) family consisting of six family members, Arf1-Arf6, belongs to Ras superfamily and orchestrates vesicle trafficking under the control of guanine nucleotide exchange factors (GEFs) and GTPase-activating proteins. Guanine Nucleotides 167-185 ADP-ribosylation factor 6 Mus musculus 76-80 33220178-2 2021 ISRIB and eIF2(alphaP) bind distinct sites in their common target, eIF2B, a guanine nucleotide exchange factor for eIF2. Guanine Nucleotides 76-94 eukaryotic translation initiation factor 2B subunit alpha Homo sapiens 67-72 33220178-2 2021 ISRIB and eIF2(alphaP) bind distinct sites in their common target, eIF2B, a guanine nucleotide exchange factor for eIF2. Guanine Nucleotides 76-94 eukaryotic translation initiation factor 2 subunit alpha Homo sapiens 67-71 32735995-7 2021 The 0% Prot diet partially reduced the Akt/mTORC1 pathway, and the activity of the guanine nucleotide exchange factor eIF2B without affecting eIF2alpha phosphorylation. Guanine Nucleotides 83-101 eukaryotic translation initiation factor 2B, subunit 4 delta Mus musculus 118-123 32916301-0 2021 Characterisation of the interaction of guanine nucleotides with ribosomal GTPase Lsg1. Guanine Nucleotides 39-58 putative GTPase LSG1 Saccharomyces cerevisiae S288C 81-85 32916301-3 2021 Here, we characterised the recombinant yeast Lsg1 and studied its catalysis and binding properties for guanine nucleotides. Guanine Nucleotides 103-122 putative GTPase LSG1 Saccharomyces cerevisiae S288C 45-49 32916301-4 2021 We described the interaction of Lsg1 with guanine nucleotides alone and in the presence of the complex Nmd3 60S using fluorescence spectroscopy. Guanine Nucleotides 42-61 putative GTPase LSG1 Saccharomyces cerevisiae S288C 32-36 33401608-2 2021 Two related types of guanine nucleotide exchange factors (GEFs) activate Arf1 at different Golgi sites. Guanine Nucleotides 21-39 Arf family GTPase ARF1 Saccharomyces cerevisiae S288C 73-77 32916301-8 2021 Additionally, Lsg1 undergoes different conformational changes depending on its binding partner or the guanine nucleotides it interacts with. Guanine Nucleotides 102-121 putative GTPase LSG1 Saccharomyces cerevisiae S288C 14-18 32779300-3 2021 The inosine 5"-monophosphate dehydrogenase 2 (IMPDH2) is a rate-limiting enzyme in the de novo synthesis of guanine nucleotides. Guanine Nucleotides 108-127 inosine monophosphate dehydrogenase 2 Homo sapiens 4-44 33419897-1 2021 BACKGROUND/AIM: Fusion of histone-lysine N-methyltransferase 2A gene (KMT2A) with the Rho guanine nucleotide exchange factor 12 gene (ARHGEF12), both located in 11q23, was reported in some leukemic patients. Guanine Nucleotides 90-108 lysine methyltransferase 2A Homo sapiens 26-63 33419897-1 2021 BACKGROUND/AIM: Fusion of histone-lysine N-methyltransferase 2A gene (KMT2A) with the Rho guanine nucleotide exchange factor 12 gene (ARHGEF12), both located in 11q23, was reported in some leukemic patients. Guanine Nucleotides 90-108 Rho guanine nucleotide exchange factor 12 Homo sapiens 134-142 32788663-3 2021 Heterozygous variants in SOS2, encoding a guanine nucleotide exchange factor for RAS, have recently been identified in patients with Noonan syndrome. Guanine Nucleotides 42-60 SOS Ras/Rho guanine nucleotide exchange factor 2 Homo sapiens 25-29 32808262-3 2021 RhoA gets activated upon binding to guanine nucleotide exchange factors (GEFs), which catalyze the exchange of guanosine diphosphate (GDP) for guanosine triphosphate (GTP). Guanine Nucleotides 36-54 ras homolog family member A Homo sapiens 0-4 32779300-3 2021 The inosine 5"-monophosphate dehydrogenase 2 (IMPDH2) is a rate-limiting enzyme in the de novo synthesis of guanine nucleotides. Guanine Nucleotides 108-127 inosine monophosphate dehydrogenase 2 Homo sapiens 46-52 33284659-1 2021 BACKGROUND AND AIM: As a Rac1 guanine nucleotide exchange factor, T-cell lymphoma invasion and metastasis 2 (TIAM2) has been reported to be correlated with malignant phenotypes in several cancers, but its prognostic significance and function in pancreatic ductal adenocarcinoma (PDAC) was not investigated. Guanine Nucleotides 30-48 Rac family small GTPase 1 Homo sapiens 25-29 30843452-3 2021 We have previously shown that Rab8a is activated by multiple TLRs and regulates downstream Akt/mTOR signalling by recruiting the effector PI3Kgamma, but the guanine nucleotide exchange factors (GEF) canonically required for Rab8a activation in TLR pathways is not known. Guanine Nucleotides 157-175 RAB8A, member RAS oncogene family Homo sapiens 30-35 31042115-0 2021 The UIG-1/CDC-42 guanine nucleotide exchange factor acts in parallel to CED-10/Rac1 during axon outgrowth in Caenorhabditis elegans. Guanine Nucleotides 17-35 PH domain-containing protein Caenorhabditis elegans 4-9 31042115-0 2021 The UIG-1/CDC-42 guanine nucleotide exchange factor acts in parallel to CED-10/Rac1 during axon outgrowth in Caenorhabditis elegans. Guanine Nucleotides 17-35 Cell division control protein 42 homolog Caenorhabditis elegans 10-16 31042115-0 2021 The UIG-1/CDC-42 guanine nucleotide exchange factor acts in parallel to CED-10/Rac1 during axon outgrowth in Caenorhabditis elegans. Guanine Nucleotides 17-35 Ras-related protein ced-10 Caenorhabditis elegans 72-78 33284659-1 2021 BACKGROUND AND AIM: As a Rac1 guanine nucleotide exchange factor, T-cell lymphoma invasion and metastasis 2 (TIAM2) has been reported to be correlated with malignant phenotypes in several cancers, but its prognostic significance and function in pancreatic ductal adenocarcinoma (PDAC) was not investigated. Guanine Nucleotides 30-48 TIAM Rac1 associated GEF 2 Homo sapiens 66-107 33284659-1 2021 BACKGROUND AND AIM: As a Rac1 guanine nucleotide exchange factor, T-cell lymphoma invasion and metastasis 2 (TIAM2) has been reported to be correlated with malignant phenotypes in several cancers, but its prognostic significance and function in pancreatic ductal adenocarcinoma (PDAC) was not investigated. Guanine Nucleotides 30-48 TIAM Rac1 associated GEF 2 Homo sapiens 109-114 32992343-1 2020 Activating mutations in the Vav guanine nucleotide exchange factor 1 (VAV1) gene are reported in various subtypes of mature T-cell neoplasms (TCN). Guanine Nucleotides 32-50 vav 1 oncogene Mus musculus 70-74 33310745-2 2020 A new study indicates that activated Gs can also directly interact with a guanine nucleotide exchange factor for Rho family small GTPases, PDZ-RhoGEF. Guanine Nucleotides 74-92 Rho guanine nucleotide exchange factor 11 Homo sapiens 139-149 33339852-3 2020 Here, we identified ALS2, a guanine nucleotide exchange factor that is upregulated in cancer, as responsible for increased Rab5-GTP loading, cell migration and metastasis in hypoxia. Guanine Nucleotides 28-46 alsin Rho guanine nucleotide exchange factor ALS2 Homo sapiens 20-24 33339852-3 2020 Here, we identified ALS2, a guanine nucleotide exchange factor that is upregulated in cancer, as responsible for increased Rab5-GTP loading, cell migration and metastasis in hypoxia. Guanine Nucleotides 28-46 RAB5A, member RAS oncogene family Homo sapiens 123-127 33087467-1 2020 Enterovirus replication requires the cellular protein GBF1, a guanine nucleotide exchange factor for small Arf GTPases. Guanine Nucleotides 62-80 golgi brefeldin A resistant guanine nucleotide exchange factor 1 Homo sapiens 54-58 33200195-1 2020 The Tiam family proteins - Tiam1 and Tiam2/STEF - are Rac1-specific Guanine Nucleotide Exchange Factors (GEFs) with important functions in epithelial, neuronal, immune and other cell types. Guanine Nucleotides 68-86 TIAM Rac1 associated GEF 1 Homo sapiens 4-8 33200195-1 2020 The Tiam family proteins - Tiam1 and Tiam2/STEF - are Rac1-specific Guanine Nucleotide Exchange Factors (GEFs) with important functions in epithelial, neuronal, immune and other cell types. Guanine Nucleotides 68-86 TIAM Rac1 associated GEF 1 Homo sapiens 27-32 33200195-1 2020 The Tiam family proteins - Tiam1 and Tiam2/STEF - are Rac1-specific Guanine Nucleotide Exchange Factors (GEFs) with important functions in epithelial, neuronal, immune and other cell types. Guanine Nucleotides 68-86 TIAM Rac1 associated GEF 2 Homo sapiens 37-42 33200195-1 2020 The Tiam family proteins - Tiam1 and Tiam2/STEF - are Rac1-specific Guanine Nucleotide Exchange Factors (GEFs) with important functions in epithelial, neuronal, immune and other cell types. Guanine Nucleotides 68-86 TIAM Rac1 associated GEF 2 Homo sapiens 43-47 33200195-1 2020 The Tiam family proteins - Tiam1 and Tiam2/STEF - are Rac1-specific Guanine Nucleotide Exchange Factors (GEFs) with important functions in epithelial, neuronal, immune and other cell types. Guanine Nucleotides 68-86 Rac family small GTPase 1 Homo sapiens 54-58 33415001-2 2020 In NeuT mice, a preclinical model or Her2-positive breast cancer, we previously reported that p140Cap counteracts Her2-dependent breast cancer progression, associating with the specific Rac1 Guanine Nucleotide Exchange Factor, Tiam1, and limiting the activation of both Tiam1 and Rac1. Guanine Nucleotides 191-209 SRC kinase signaling inhibitor 1 Mus musculus 94-101 33415001-2 2020 In NeuT mice, a preclinical model or Her2-positive breast cancer, we previously reported that p140Cap counteracts Her2-dependent breast cancer progression, associating with the specific Rac1 Guanine Nucleotide Exchange Factor, Tiam1, and limiting the activation of both Tiam1 and Rac1. Guanine Nucleotides 191-209 erb-b2 receptor tyrosine kinase 2 Mus musculus 114-118 32681954-0 2020 Characterization of guanine nucleotide exchange activity of DH domain of human FGD2. Guanine Nucleotides 20-38 FYVE, RhoGEF and PH domain containing 2 Homo sapiens 79-83 32726583-7 2020 The mantGDP-bound CDC42 was verified to be efficient for measuring the guanine nucleotide exchange activity of VAV2. Guanine Nucleotides 71-89 cell division cycle 42 Homo sapiens 18-23 32726583-7 2020 The mantGDP-bound CDC42 was verified to be efficient for measuring the guanine nucleotide exchange activity of VAV2. Guanine Nucleotides 71-89 vav guanine nucleotide exchange factor 2 Homo sapiens 111-115 32978791-0 2020 The guanine nucleotide exchange factor FLJ00068 activates Rac1 in adipocyte insulin signaling. Guanine Nucleotides 4-22 Rac family small GTPase 1 Homo sapiens 58-62 32978791-0 2020 The guanine nucleotide exchange factor FLJ00068 activates Rac1 in adipocyte insulin signaling. Guanine Nucleotides 4-22 insulin Homo sapiens 76-83 32978791-4 2020 Here, we show that knockdown of the guanine nucleotide exchange factor FLJ00068 inhibits Rac1 activation and GLUT4 translocation by insulin and a constitutively activated form of the protein kinase Akt2. Guanine Nucleotides 36-54 Rac family small GTPase 1 Homo sapiens 89-93 32978791-4 2020 Here, we show that knockdown of the guanine nucleotide exchange factor FLJ00068 inhibits Rac1 activation and GLUT4 translocation by insulin and a constitutively activated form of the protein kinase Akt2. Guanine Nucleotides 36-54 solute carrier family 2 member 4 Homo sapiens 109-114 32978791-4 2020 Here, we show that knockdown of the guanine nucleotide exchange factor FLJ00068 inhibits Rac1 activation and GLUT4 translocation by insulin and a constitutively activated form of the protein kinase Akt2. Guanine Nucleotides 36-54 insulin Homo sapiens 132-139 32978791-4 2020 Here, we show that knockdown of the guanine nucleotide exchange factor FLJ00068 inhibits Rac1 activation and GLUT4 translocation by insulin and a constitutively activated form of the protein kinase Akt2. Guanine Nucleotides 36-54 AKT serine/threonine kinase 2 Homo sapiens 198-202 32681954-2 2020 The DH domain has been deduced to be responsible for guanine nucleotide exchange in CDC42 to activate downstream factors. Guanine Nucleotides 53-71 cell division cycle 42 Homo sapiens 84-89 32681954-3 2020 Our aim was to build a prokaryotic expression system for the DH domain and to examine its guanine nucleotide exchange activity toward CDC42 in vitro. Guanine Nucleotides 90-108 cell division cycle 42 Homo sapiens 134-139 32681954-6 2020 FGD2-DH displayed weak guanine nucleotide exchange activity in vitro and very weak interactions with CDC42 following glutaraldehyde cross-linking. Guanine Nucleotides 23-41 FYVE, RhoGEF and PH domain containing 2 Homo sapiens 0-4 33247143-2 2020 Here we show that mesoderm organization in mouse embryos depends on beta-Pix (Arhgef7), a guanine nucleotide exchange factor for Rac1 and Cdc42. Guanine Nucleotides 90-108 Rho guanine nucleotide exchange factor (GEF7) Mus musculus 68-76 33391941-4 2020 RASGRP2 codes for the protein CalDAG-GEFI RAS (guanyl-releasing protein-2), a guanine nucleotide exchange factor for small guanosine triphosphate(GTP)ase Rap1. Guanine Nucleotides 78-96 RAS guanyl releasing protein 2 Homo sapiens 0-7 33391941-4 2020 RASGRP2 codes for the protein CalDAG-GEFI RAS (guanyl-releasing protein-2), a guanine nucleotide exchange factor for small guanosine triphosphate(GTP)ase Rap1. Guanine Nucleotides 78-96 RAP1A, member of RAS oncogene family Homo sapiens 154-158 33247143-2 2020 Here we show that mesoderm organization in mouse embryos depends on beta-Pix (Arhgef7), a guanine nucleotide exchange factor for Rac1 and Cdc42. Guanine Nucleotides 90-108 Rho guanine nucleotide exchange factor (GEF7) Mus musculus 78-85 33247143-2 2020 Here we show that mesoderm organization in mouse embryos depends on beta-Pix (Arhgef7), a guanine nucleotide exchange factor for Rac1 and Cdc42. Guanine Nucleotides 90-108 Rac family small GTPase 1 Mus musculus 129-133 33247143-2 2020 Here we show that mesoderm organization in mouse embryos depends on beta-Pix (Arhgef7), a guanine nucleotide exchange factor for Rac1 and Cdc42. Guanine Nucleotides 90-108 cell division cycle 42 Mus musculus 138-143 33060293-2 2020 Protrusion-enriched RNAs encode factors linked to cancer progression, such as the RAB13 GTPase and the NET1 guanine nucleotide exchange factor, and are regulated by the tumor-suppressor protein APC. Guanine Nucleotides 108-126 neuroepithelial cell transforming 1 Homo sapiens 103-107 33046543-5 2020 Guanine nucleotide exchange proteins directly activated by cAMP [Epac proteins (Epac 1-2)] are alternative cAMP targets to protein kinase A (PKA) and Epac2 is abundant in the cerebellum. Guanine Nucleotides 0-18 Rap guanine nucleotide exchange factor (GEF) 3 Mus musculus 65-69 33046543-5 2020 Guanine nucleotide exchange proteins directly activated by cAMP [Epac proteins (Epac 1-2)] are alternative cAMP targets to protein kinase A (PKA) and Epac2 is abundant in the cerebellum. Guanine Nucleotides 0-18 Rap guanine nucleotide exchange factor (GEF) 3 Mus musculus 80-88 33046543-5 2020 Guanine nucleotide exchange proteins directly activated by cAMP [Epac proteins (Epac 1-2)] are alternative cAMP targets to protein kinase A (PKA) and Epac2 is abundant in the cerebellum. Guanine Nucleotides 0-18 Rap guanine nucleotide exchange factor (GEF) 4 Mus musculus 150-155 33046543-14 2020 This effect is not mediated by the canonical protein kinase A pathway but rather, through direct activation of the guanine nucleotide exchange protein Epac by cAMP. Guanine Nucleotides 115-133 Rap guanine nucleotide exchange factor (GEF) 3 Mus musculus 151-155 33175535-3 2020 We report here the design, synthesis, and biological characterization of a series of novel N-arylsufonamides featuring a diazaspiro[4,4]nonane nucleus to target the guanine nucleotide exchange activity of DOCK5, which is essential for bone resorption by osteoclasts. Guanine Nucleotides 165-183 dedicator of cytokinesis 5 Mus musculus 205-210 33208359-1 2020 Genetic mutations in the gene encoding transport protein particle complex 9 (trappc9), a subunit of TRAPP that acts as a guanine nucleotide exchange factor for rab proteins, cause intellectual disability with brain structural malformations by elusive mechanisms. Guanine Nucleotides 121-139 trafficking protein particle complex 9 Mus musculus 39-75 33208359-1 2020 Genetic mutations in the gene encoding transport protein particle complex 9 (trappc9), a subunit of TRAPP that acts as a guanine nucleotide exchange factor for rab proteins, cause intellectual disability with brain structural malformations by elusive mechanisms. Guanine Nucleotides 121-139 trafficking protein particle complex 9 Mus musculus 77-84 33208359-1 2020 Genetic mutations in the gene encoding transport protein particle complex 9 (trappc9), a subunit of TRAPP that acts as a guanine nucleotide exchange factor for rab proteins, cause intellectual disability with brain structural malformations by elusive mechanisms. Guanine Nucleotides 121-139 RAB11A, member RAS oncogene family Mus musculus 160-163 33069695-3 2020 In this study, we tested the hypothesis that RIN1, a Ras effector protein and Rab5 guanine nucleotide exchange factor, controls several signaling molecules leading to the modulation of the telomerase activity; thus, allowing proper cell proliferation. Guanine Nucleotides 83-101 Ras and Rab interactor 1 Homo sapiens 45-49 33069695-3 2020 In this study, we tested the hypothesis that RIN1, a Ras effector protein and Rab5 guanine nucleotide exchange factor, controls several signaling molecules leading to the modulation of the telomerase activity; thus, allowing proper cell proliferation. Guanine Nucleotides 83-101 RAB5A, member RAS oncogene family Homo sapiens 78-82 33224134-1 2020 HPS1, a BLOC-3 subunit that acts as a guanine nucleotide exchange factor of Rab32/38, may play a role in the removal of VAMP7 during the maturation of large dense core vesicles of Paneth cells. Guanine Nucleotides 38-56 HPS1, biogenesis of lysosomal organelles complex 3 subunit 1 Mus musculus 0-4 33224134-1 2020 HPS1, a BLOC-3 subunit that acts as a guanine nucleotide exchange factor of Rab32/38, may play a role in the removal of VAMP7 during the maturation of large dense core vesicles of Paneth cells. Guanine Nucleotides 38-56 HPS4, biogenesis of lysosomal organelles complex 3 subunit 2 Mus musculus 8-14 33224134-1 2020 HPS1, a BLOC-3 subunit that acts as a guanine nucleotide exchange factor of Rab32/38, may play a role in the removal of VAMP7 during the maturation of large dense core vesicles of Paneth cells. Guanine Nucleotides 38-56 RAB32, member RAS oncogene family Mus musculus 76-84 33224134-1 2020 HPS1, a BLOC-3 subunit that acts as a guanine nucleotide exchange factor of Rab32/38, may play a role in the removal of VAMP7 during the maturation of large dense core vesicles of Paneth cells. Guanine Nucleotides 38-56 vesicle-associated membrane protein 7 Mus musculus 120-125 33060293-2 2020 Protrusion-enriched RNAs encode factors linked to cancer progression, such as the RAB13 GTPase and the NET1 guanine nucleotide exchange factor, and are regulated by the tumor-suppressor protein APC. Guanine Nucleotides 108-126 APC regulator of WNT signaling pathway Homo sapiens 194-197 33000885-9 2020 Finally, small G protein Rap1 and its guanine nucleotide exchange factor Epac1 were found to be involved in cAMP-induced PP2A activation. Guanine Nucleotides 38-56 RAB guanine nucleotide exchange factor 1 Homo sapiens 25-29 32456782-4 2020 METHODS: Here, we employed the Gnb4 (guanine nucleotide-binding subunit beta-4) cre driver line in mice to selectively monitor and manipulate claustrum projection neurons during 1-choice versus 5-choice serial reaction time task performance. Guanine Nucleotides 37-55 guanine nucleotide binding protein (G protein), beta 4 Mus musculus 31-35 32799315-4 2020 Both variants are located in the highly conserved guanine nucleotide-binding domain of the EIF2S3 encoded eIF2gamma subunit of the heterotrimeric translation initiation factor 2 (eIF2) complex. Guanine Nucleotides 50-68 eukaryotic translation initiation factor 2 subunit gamma Homo sapiens 91-97 32799315-4 2020 Both variants are located in the highly conserved guanine nucleotide-binding domain of the EIF2S3 encoded eIF2gamma subunit of the heterotrimeric translation initiation factor 2 (eIF2) complex. Guanine Nucleotides 50-68 eukaryotic translation initiation factor 2 subunit gamma Homo sapiens 106-110 33000885-9 2020 Finally, small G protein Rap1 and its guanine nucleotide exchange factor Epac1 were found to be involved in cAMP-induced PP2A activation. Guanine Nucleotides 38-56 Rap guanine nucleotide exchange factor 3 Homo sapiens 73-78 33000885-9 2020 Finally, small G protein Rap1 and its guanine nucleotide exchange factor Epac1 were found to be involved in cAMP-induced PP2A activation. Guanine Nucleotides 38-56 protein phosphatase 2 phosphatase activator Homo sapiens 121-125 32963625-1 2020 Inosine 5"-monophosphate dehydrogenase type II (IMPDH2) is an important enzyme involved in the biosynthesis of guanine nucleotides. Guanine Nucleotides 111-130 inosine monophosphate dehydrogenase 2 Homo sapiens 48-54 32876072-0 2020 Cullin 3/KCTD5 promotes the ubiqutination of Rho guanine nucleotide dissociation inhibitor 1 and regulates its stability. Guanine Nucleotides 49-67 cullin 3 Homo sapiens 0-8 32876072-0 2020 Cullin 3/KCTD5 promotes the ubiqutination of Rho guanine nucleotide dissociation inhibitor 1 and regulates its stability. Guanine Nucleotides 49-67 potassium channel tetramerization domain containing 5 Homo sapiens 9-14 32876072-1 2020 Rho guanine nucleotide dissociation inhibitor 1 (RhoGDI1) plays important roles in numerous cellular processes, including cell motility, adhesion, and proliferation, by regulating the activity of Rho GTPases. Guanine Nucleotides 4-22 Rho GDP dissociation inhibitor alpha Homo sapiens 49-56 33087700-4 2020 Endothelial enlargement requires the GEF1 domain of the guanine nucleotide exchange factor Trio and activation of Rho-GTPases Rac1 and RhoG in the cell periphery, inducing F-actin cytoskeleton remodeling, myosin based tension at junction regions and focal adhesions. Guanine Nucleotides 56-74 trio Rho guanine nucleotide exchange factor a Danio rerio 91-95 33126816-0 2021 Regulation and functions of the RhoA regulatory guanine nucleotide exchange factor GEF-H1. Guanine Nucleotides 48-66 ras homolog family member A Homo sapiens 32-36 33126816-0 2021 Regulation and functions of the RhoA regulatory guanine nucleotide exchange factor GEF-H1. Guanine Nucleotides 48-66 Rho/Rac guanine nucleotide exchange factor 2 Homo sapiens 83-89 32996421-1 2020 A missense mutation of the guanine nucleotide binding protein alpha stimulating activity polypeptide 1 (GNAS) gene, typically Arg201Cys or Arg201His (R201H/R201C), leads to constitutive activation of the Gsalpha-cyclic AMP (cAMP) signaling pathway that causes several diseases. Guanine Nucleotides 27-45 GNAS complex locus Homo sapiens 104-108 32766788-1 2020 DOCK3 is a member of the DOCK family of guanine nucleotide exchange factors that regulate cell migration, fusion, and viability. Guanine Nucleotides 40-58 dedicator of cyto-kinesis 3 Mus musculus 0-5 32937143-3 2020 Here, we report the identification of pathogenic variants in GBF1 (Golgi brefeldin A-resistant guanine nucleotide exchange factor 1) in four unrelated families with individuals affected by sporadic or dominant HMN/CMT2. Guanine Nucleotides 95-113 golgi-specific brefeldin A-resistance factor 1 Mus musculus 61-65 31838952-3 2020 This means that given the concentration range of guanine nucleotide in plant cells, XLG2 is not likely bound by GTP in vivo. Guanine Nucleotides 49-67 extra-large GTP-binding protein 2 Arabidopsis thaliana 84-88 32391916-1 2020 The aim was to examine the association between the hypoxia-inducible factor-1alpha (HIF1A) gene and the guanine nucleotide binding protein beta polypeptide 3 (GNB3) gene polymorphisms and the endurance/power athlete status and relative aerobic capacity. Guanine Nucleotides 104-122 hypoxia inducible factor 1 subunit alpha Homo sapiens 84-89 32391916-1 2020 The aim was to examine the association between the hypoxia-inducible factor-1alpha (HIF1A) gene and the guanine nucleotide binding protein beta polypeptide 3 (GNB3) gene polymorphisms and the endurance/power athlete status and relative aerobic capacity. Guanine Nucleotides 104-122 G protein subunit beta 3 Homo sapiens 159-163 32483624-8 2020 The combined loss of Scribble, Yap1 and Taz results in transcriptional upregulation of Rac-specific guanine nucleotide exchange factors, Rac activation and HSC fitness restoration. Guanine Nucleotides 100-118 Yes1 associated transcriptional regulator Homo sapiens 31-35 32483624-8 2020 The combined loss of Scribble, Yap1 and Taz results in transcriptional upregulation of Rac-specific guanine nucleotide exchange factors, Rac activation and HSC fitness restoration. Guanine Nucleotides 100-118 tafazzin, phospholipid-lysophospholipid transacylase Homo sapiens 40-43 33024114-1 2020 PIX proteins are guanine nucleotide exchange factors (GEFs) that activate Rac and Cdc42, and are known to have numerous functions in various cell types. Guanine Nucleotides 17-35 Cell division control protein 42 homolog Caenorhabditis elegans 82-87 32929379-1 2020 Rationale: A number of guanine nucleotide exchange factors (GEFs) including epithelial cell transforming factor ECT2 are believed to drive carcinogenesis through activating distinct oncogenic GTPases. Guanine Nucleotides 23-41 epithelial cell transforming 2 Homo sapiens 112-116 32323924-5 2020 Here we discuss an alternative paradigm for the regulation of cellular cAMP via GIV/Girdin, the prototypical member of a family of modulators of trimeric GTPases, Guanine nucleotide Exchange Modulators (GEMs). Guanine Nucleotides 163-181 coiled-coil domain containing 88A Homo sapiens 84-90 32619481-3 2020 PLK1 is proposed to pattern RhoA activation by creating a docking site on the central spindle that concentrates the RhoA guanine nucleotide exchange factor ECT2. Guanine Nucleotides 121-139 epithelial cell transforming 2 Homo sapiens 156-160 32513570-2 2020 The synaptic Ras homologous (Rho) guanine nucleotide exchange factors (GEFs) Kalirin and Trio have emerged as central regulators of actin dynamics at the synapse. Guanine Nucleotides 34-52 kalirin RhoGEF kinase Homo sapiens 77-84 32619481-3 2020 PLK1 is proposed to pattern RhoA activation by creating a docking site on the central spindle that concentrates the RhoA guanine nucleotide exchange factor ECT2. Guanine Nucleotides 121-139 polo like kinase 1 Homo sapiens 0-4 32619481-3 2020 PLK1 is proposed to pattern RhoA activation by creating a docking site on the central spindle that concentrates the RhoA guanine nucleotide exchange factor ECT2. Guanine Nucleotides 121-139 ras homolog family member A Homo sapiens 28-32 32619481-3 2020 PLK1 is proposed to pattern RhoA activation by creating a docking site on the central spindle that concentrates the RhoA guanine nucleotide exchange factor ECT2. Guanine Nucleotides 121-139 ras homolog family member A Homo sapiens 116-120 32111741-8 2020 Rapgef3 encodes an exchange protein, activated by cAMP 1 (EPAC-1), a guanine nucleotide exchange factor that activates the small GTPase Rap-1. Guanine Nucleotides 69-87 Rap guanine nucleotide exchange factor (GEF) 3 Mus musculus 0-7 32111741-8 2020 Rapgef3 encodes an exchange protein, activated by cAMP 1 (EPAC-1), a guanine nucleotide exchange factor that activates the small GTPase Rap-1. Guanine Nucleotides 69-87 Rap guanine nucleotide exchange factor (GEF) 3 Mus musculus 19-56 32111741-8 2020 Rapgef3 encodes an exchange protein, activated by cAMP 1 (EPAC-1), a guanine nucleotide exchange factor that activates the small GTPase Rap-1. Guanine Nucleotides 69-87 Rap guanine nucleotide exchange factor (GEF) 3 Mus musculus 58-64 32111741-8 2020 Rapgef3 encodes an exchange protein, activated by cAMP 1 (EPAC-1), a guanine nucleotide exchange factor that activates the small GTPase Rap-1. Guanine Nucleotides 69-87 RAS-related protein 1a Mus musculus 136-141 32154766-7 2020 The above results suggest that ARHGEF10L expression can stimulate gastric tumorigenesis by prompting RhoA-ROCK1-phospho-ERM signaling, inducing EMT and increasing HSPA6 expression.Abbreviations : ARHGEF10L: rho guanine nucleotide exchange factor 10-Like1; ERM: Ezrin/Radixin/Moesin; EMT: epithelial-mesenchymal transition; GC: gastric cancer; HSPA6: Heat shock 70 kDa protein 6; RhoA: Ras homolog gene family member A; RhoGEFs: Rho family guanine nucleotide exchange factors; ROCK1: Rho-associated coiled-coil kinase-1. Guanine Nucleotides 211-229 Rho guanine nucleotide exchange factor 10 like Homo sapiens 31-40 32330601-1 2020 The G12/13 subfamily of heterotrimeric guanine nucleotide binding proteins comprises the alpha subunits Galpha12 and Galpha13, which transduce signals for cell growth, cytoskeletal rearrangements, and oncogenic transformation. Guanine Nucleotides 39-57 G protein subunit alpha 13 Homo sapiens 4-10 32330601-1 2020 The G12/13 subfamily of heterotrimeric guanine nucleotide binding proteins comprises the alpha subunits Galpha12 and Galpha13, which transduce signals for cell growth, cytoskeletal rearrangements, and oncogenic transformation. Guanine Nucleotides 39-57 G protein subunit alpha 12 Homo sapiens 104-112 32330601-1 2020 The G12/13 subfamily of heterotrimeric guanine nucleotide binding proteins comprises the alpha subunits Galpha12 and Galpha13, which transduce signals for cell growth, cytoskeletal rearrangements, and oncogenic transformation. Guanine Nucleotides 39-57 G protein subunit alpha 13 Homo sapiens 117-125 32330601-13 2020 However, dissection of this domain using invertebrate substitutions revealed different signalling mechanisms in these alpha subunits and identified Galpha13-specific determinants of binding Rho-specific guanine nucleotide exchange factors. Guanine Nucleotides 203-221 G protein subunit alpha 13 Homo sapiens 148-156 31694365-2 2020 Guanine nucleotide binding protein, alpha inhibiting activity polypeptide 3 (GNAI3) participates in several biological processes, but its relationship with lipid metabolism and NAFLD has not yet been reported. Guanine Nucleotides 0-18 G protein subunit alpha i3 Homo sapiens 77-82 32576693-8 2020 The messenger RNA (mRNA) encoding the guanine nucleotide exchange factor, DOCK4, mutations of which promote cancer cell invasion and angiogenesis, was the most highly up-regulated molecule in PAS samples. Guanine Nucleotides 38-56 dedicator of cytokinesis 4 Homo sapiens 74-79 31587290-6 2020 Biochemical analyses indicated that the mutant eIF2B protein with the Eif2b5I98M mutation decreased guanine nucleotide exchange activity on eIF2, and the level of the endoplasmic reticulum stress marker activating transcription factor 4 was elevated in the 1-month-old Eif2b5I98M brain. Guanine Nucleotides 100-118 eukaryotic translation initiation factor 2B, subunit 2 beta Mus musculus 47-52 31587290-6 2020 Biochemical analyses indicated that the mutant eIF2B protein with the Eif2b5I98M mutation decreased guanine nucleotide exchange activity on eIF2, and the level of the endoplasmic reticulum stress marker activating transcription factor 4 was elevated in the 1-month-old Eif2b5I98M brain. Guanine Nucleotides 100-118 eukaryotic translation initiation factor 2B, subunit 5 epsilon Mus musculus 70-76 31587290-6 2020 Biochemical analyses indicated that the mutant eIF2B protein with the Eif2b5I98M mutation decreased guanine nucleotide exchange activity on eIF2, and the level of the endoplasmic reticulum stress marker activating transcription factor 4 was elevated in the 1-month-old Eif2b5I98M brain. Guanine Nucleotides 100-118 eukaryotic translation initiation factor 2, subunit 2 (beta) Mus musculus 47-51 32497171-5 2020 However, only about 2% stimulation of the guanine nucleotide binding activity of transducin was measured in the presence of sulfo-SMCC-cross-linked photolyzed rhodopsin. Guanine Nucleotides 42-60 rhodopsin Bos taurus 159-168 32513570-2 2020 The synaptic Ras homologous (Rho) guanine nucleotide exchange factors (GEFs) Kalirin and Trio have emerged as central regulators of actin dynamics at the synapse. Guanine Nucleotides 34-52 trio Rho guanine nucleotide exchange factor Homo sapiens 89-93 32535026-2 2020 Here we show that a guanine nucleotide-exchange modulator of trimeric-GTPase Galphai, GIV (a.k.a Girdin), directly binds the integrin adaptor Kindlin-2. Guanine Nucleotides 20-38 coiled-coil domain containing 88A Homo sapiens 97-103 32600317-4 2020 RESULTS: In this study, we show that RA-GEF-1 and 2 (also known as Rapgef2 and 6) are key guanine nucleotide exchange factors (GEF) for Rap1 in lymphocyte trafficking. Guanine Nucleotides 90-108 Rap guanine nucleotide exchange factor (GEF) 2 Mus musculus 37-51 32600317-4 2020 RESULTS: In this study, we show that RA-GEF-1 and 2 (also known as Rapgef2 and 6) are key guanine nucleotide exchange factors (GEF) for Rap1 in lymphocyte trafficking. Guanine Nucleotides 90-108 Rap guanine nucleotide exchange factor (GEF) 2 Mus musculus 67-80 32600317-4 2020 RESULTS: In this study, we show that RA-GEF-1 and 2 (also known as Rapgef2 and 6) are key guanine nucleotide exchange factors (GEF) for Rap1 in lymphocyte trafficking. Guanine Nucleotides 90-108 RAS-related protein 1a Mus musculus 136-140 32535026-2 2020 Here we show that a guanine nucleotide-exchange modulator of trimeric-GTPase Galphai, GIV (a.k.a Girdin), directly binds the integrin adaptor Kindlin-2. Guanine Nucleotides 20-38 FERM domain containing kindlin 2 Homo sapiens 142-151 32340447-3 2020 Several potent EPAC1 binders were identified including 25g, 25q, 25n, 25u, 25e, and 25f, which promote EPAC1 guanine nucleotide exchange factor activity in vitro. Guanine Nucleotides 109-127 Rap guanine nucleotide exchange factor 3 Homo sapiens 15-20 32086369-5 2020 An siRNA library of guanine nucleotide exchange factors was screened to identify activators of Cdc42. Guanine Nucleotides 20-38 cell division cycle 42 Homo sapiens 95-100 32456244-5 2020 Second, through interaction with a set of calmodulin binding proteins (CaMBPs), calmodulin can control the capacity of several guanine nucleotide exchange factors (GEFs) to promote the switch of inactive KRas and Rac1 to an active conformation. Guanine Nucleotides 127-145 calmodulin 1 Homo sapiens 42-52 32456244-5 2020 Second, through interaction with a set of calmodulin binding proteins (CaMBPs), calmodulin can control the capacity of several guanine nucleotide exchange factors (GEFs) to promote the switch of inactive KRas and Rac1 to an active conformation. Guanine Nucleotides 127-145 calmodulin 1 Homo sapiens 80-90 32456244-5 2020 Second, through interaction with a set of calmodulin binding proteins (CaMBPs), calmodulin can control the capacity of several guanine nucleotide exchange factors (GEFs) to promote the switch of inactive KRas and Rac1 to an active conformation. Guanine Nucleotides 127-145 KRAS proto-oncogene, GTPase Homo sapiens 204-208 32456244-5 2020 Second, through interaction with a set of calmodulin binding proteins (CaMBPs), calmodulin can control the capacity of several guanine nucleotide exchange factors (GEFs) to promote the switch of inactive KRas and Rac1 to an active conformation. Guanine Nucleotides 127-145 Rac family small GTPase 1 Homo sapiens 213-217 32599855-0 2020 Role of the Guanine Nucleotide Exchange Factor GBF1 in the Replication of RNA Viruses. Guanine Nucleotides 12-30 golgi brefeldin A resistant guanine nucleotide exchange factor 1 Homo sapiens 47-51 32340447-3 2020 Several potent EPAC1 binders were identified including 25g, 25q, 25n, 25u, 25e, and 25f, which promote EPAC1 guanine nucleotide exchange factor activity in vitro. Guanine Nucleotides 109-127 Rap guanine nucleotide exchange factor 3 Homo sapiens 103-108 32227113-3 2020 Using genetic code expansion technologies, we have produced stoichiometric Ser111-phosphorylated Rab8A revealing impaired interactions with its cognate guanine nucleotide exchange factor and GTPase activating protein. Guanine Nucleotides 152-170 RAB8A, member RAS oncogene family Homo sapiens 97-102 32188698-3 2020 METHODS: We used a proximity-based ligation assay, BioID, to identify guanine nucleotide exchange factors that activate Cdc42 in immortalized human podocytes. Guanine Nucleotides 70-88 cell division cycle 42 Homo sapiens 120-125 32254022-2 2020 IMPDH1 catalyzes the rate-limiting step in the de novo synthesis of guanine nucleotides, impacting the cellular pools of GMP, GDP and GTP. Guanine Nucleotides 68-87 inosine monophosphate dehydrogenase 1 Mus musculus 0-6 32341385-0 2020 Opposing roles of hematopoietic-specific small GTPase Rac2 and the guanine nucleotide exchange factor Vav1 in osteoclast differentiation. Guanine Nucleotides 67-85 vav 1 oncogene Mus musculus 102-106 32341385-1 2020 Vav1 regulates Rac activation as a hematopoietic-specific Rho/Rac-family guanine nucleotide exchange factor. Guanine Nucleotides 73-91 vav 1 oncogene Mus musculus 0-4 32341385-1 2020 Vav1 regulates Rac activation as a hematopoietic-specific Rho/Rac-family guanine nucleotide exchange factor. Guanine Nucleotides 73-91 Rac family small GTPase 2 Mus musculus 15-18 32341385-1 2020 Vav1 regulates Rac activation as a hematopoietic-specific Rho/Rac-family guanine nucleotide exchange factor. Guanine Nucleotides 73-91 Rac family small GTPase 2 Mus musculus 62-65 32339198-8 2020 The 9 bp deletion reported in this study increases the RAC1-dependent guanine nucleotide exchange factors (GEF) activity. Guanine Nucleotides 70-88 Rac family small GTPase 1 Homo sapiens 55-59 32322580-3 2020 Rac and Cdc42 are often dysregulated in cancer due to hyperactivation by guanine nucleotide exchange factors (GEFs), belonging to both the diffuse B-cell lymphoma (Dbl) and dedicator of cytokinesis (DOCK) families. Guanine Nucleotides 73-91 AKT serine/threonine kinase 1 Homo sapiens 0-3 32322580-3 2020 Rac and Cdc42 are often dysregulated in cancer due to hyperactivation by guanine nucleotide exchange factors (GEFs), belonging to both the diffuse B-cell lymphoma (Dbl) and dedicator of cytokinesis (DOCK) families. Guanine Nucleotides 73-91 cell division cycle 42 Homo sapiens 8-13 32322580-3 2020 Rac and Cdc42 are often dysregulated in cancer due to hyperactivation by guanine nucleotide exchange factors (GEFs), belonging to both the diffuse B-cell lymphoma (Dbl) and dedicator of cytokinesis (DOCK) families. Guanine Nucleotides 73-91 MCF.2 cell line derived transforming sequence Homo sapiens 164-167 32106676-7 2020 The dual-parametric QTR-FRET technique enables the linking of guanine nucleotide exchange factor-induced Eu3+-GTP association to RAS, monitored at 615 nm, and subsequent Eu3+-GTP-loaded RAS interaction with RAF-RBD-Alexa680 monitored at 730 nm. Guanine Nucleotides 62-80 zinc fingers and homeoboxes 2 Homo sapiens 207-210 32049581-3 2020 Previously, we showed that the RhoA-targeting guanine nucleotide exchange factor Solo (ARHGEF40) is required for tensile force-induced RhoA activation and proper organization of keratin-8/keratin-18 (K8/K18) networks. Guanine Nucleotides 46-64 ras homolog family member A Canis lupus familiaris 31-35 32150691-9 2020 Additionally, the guanine nucleotide-binding proteins Galpha12 and Galpha13 were upregulated in asthmatic mice bronchial tissues, and the protein SERCA2 was downregulated; moreover, the proteins NFAT, IRF4, and its downstream signal STAT6 were all upregulated in the asthmatic mice bronchial tissues. Guanine Nucleotides 18-36 guanine nucleotide binding protein, alpha 12 Mus musculus 54-62 32150691-9 2020 Additionally, the guanine nucleotide-binding proteins Galpha12 and Galpha13 were upregulated in asthmatic mice bronchial tissues, and the protein SERCA2 was downregulated; moreover, the proteins NFAT, IRF4, and its downstream signal STAT6 were all upregulated in the asthmatic mice bronchial tissues. Guanine Nucleotides 18-36 guanine nucleotide binding protein, alpha 13 Mus musculus 67-75 32251425-2 2020 betaPix (ARHGEF7) is a guanine nucleotide exchange factor for the small GTPases Rac1 and Cdc42, which modulate the organization of actin filaments and microtubules. Guanine Nucleotides 23-41 Rho guanine nucleotide exchange factor (GEF7) Mus musculus 0-7 32251425-2 2020 betaPix (ARHGEF7) is a guanine nucleotide exchange factor for the small GTPases Rac1 and Cdc42, which modulate the organization of actin filaments and microtubules. Guanine Nucleotides 23-41 Rho guanine nucleotide exchange factor (GEF7) Mus musculus 9-16 32251425-2 2020 betaPix (ARHGEF7) is a guanine nucleotide exchange factor for the small GTPases Rac1 and Cdc42, which modulate the organization of actin filaments and microtubules. Guanine Nucleotides 23-41 Rac family small GTPase 1 Mus musculus 80-84 32251425-2 2020 betaPix (ARHGEF7) is a guanine nucleotide exchange factor for the small GTPases Rac1 and Cdc42, which modulate the organization of actin filaments and microtubules. Guanine Nucleotides 23-41 cell division cycle 42 Mus musculus 89-94 31996307-2 2020 In this study, we show the phosphatidic acid (PA)-dependent membrane distribution of RA-GEF-1 and -2 (also known as Rapgef2 and 6), which are guanine nucleotide exchange factors for Rap1, plays important roles in lymphocyte migration. Guanine Nucleotides 142-160 Rap guanine nucleotide exchange factor 2 Homo sapiens 85-100 31996307-2 2020 In this study, we show the phosphatidic acid (PA)-dependent membrane distribution of RA-GEF-1 and -2 (also known as Rapgef2 and 6), which are guanine nucleotide exchange factors for Rap1, plays important roles in lymphocyte migration. Guanine Nucleotides 142-160 Rap guanine nucleotide exchange factor 2 Homo sapiens 116-129 31996307-2 2020 In this study, we show the phosphatidic acid (PA)-dependent membrane distribution of RA-GEF-1 and -2 (also known as Rapgef2 and 6), which are guanine nucleotide exchange factors for Rap1, plays important roles in lymphocyte migration. Guanine Nucleotides 142-160 RAP1A, member of RAS oncogene family Homo sapiens 182-186 32049581-3 2020 Previously, we showed that the RhoA-targeting guanine nucleotide exchange factor Solo (ARHGEF40) is required for tensile force-induced RhoA activation and proper organization of keratin-8/keratin-18 (K8/K18) networks. Guanine Nucleotides 46-64 Rho guanine nucleotide exchange factor 40 Canis lupus familiaris 87-95 32049581-3 2020 Previously, we showed that the RhoA-targeting guanine nucleotide exchange factor Solo (ARHGEF40) is required for tensile force-induced RhoA activation and proper organization of keratin-8/keratin-18 (K8/K18) networks. Guanine Nucleotides 46-64 ras homolog family member A Canis lupus familiaris 135-139 32049581-3 2020 Previously, we showed that the RhoA-targeting guanine nucleotide exchange factor Solo (ARHGEF40) is required for tensile force-induced RhoA activation and proper organization of keratin-8/keratin-18 (K8/K18) networks. Guanine Nucleotides 46-64 keratin, type II cytoskeletal 8 Canis lupus familiaris 178-198 32005784-2 2020 The cytosolic DYNAMIN-RELATED PROTEIN 5B (DRP5B/ARC5) is a mechanochemical GTPase involved in binary fission of the chloroplast membrane in Arabidopsis (Arabidopsis thaliana), but the dynamics of its interactions with the chloroplast membranes and their regulation by guanine nucleotides and protein effectors remain poorly characterized. Guanine Nucleotides 268-287 P-loop containing nucleoside triphosphate hydrolases superfamily protein Arabidopsis thaliana 14-40 32005784-2 2020 The cytosolic DYNAMIN-RELATED PROTEIN 5B (DRP5B/ARC5) is a mechanochemical GTPase involved in binary fission of the chloroplast membrane in Arabidopsis (Arabidopsis thaliana), but the dynamics of its interactions with the chloroplast membranes and their regulation by guanine nucleotides and protein effectors remain poorly characterized. Guanine Nucleotides 268-287 P-loop containing nucleoside triphosphate hydrolases superfamily protein Arabidopsis thaliana 42-47 32005784-2 2020 The cytosolic DYNAMIN-RELATED PROTEIN 5B (DRP5B/ARC5) is a mechanochemical GTPase involved in binary fission of the chloroplast membrane in Arabidopsis (Arabidopsis thaliana), but the dynamics of its interactions with the chloroplast membranes and their regulation by guanine nucleotides and protein effectors remain poorly characterized. Guanine Nucleotides 268-287 P-loop containing nucleoside triphosphate hydrolases superfamily protein Arabidopsis thaliana 48-52 31758832-1 2020 BACKGROUND: The small GTPase Rap1 and its guanine nucleotide exchange factor, CalDAG-GEFI (CDGI), are critical for platelet function and hemostatic plug formation. Guanine Nucleotides 42-60 RAB guanine nucleotide exchange factor 1 Homo sapiens 29-33 32126208-2 2020 Here we show cryoEM structures of Galpha subunit folding intermediates in complex with full-length Ric-8A, a unique chaperone-client system in which substrate release is facilitated by guanine nucleotide binding to the client G protein. Guanine Nucleotides 185-203 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 34-40 32126208-2 2020 Here we show cryoEM structures of Galpha subunit folding intermediates in complex with full-length Ric-8A, a unique chaperone-client system in which substrate release is facilitated by guanine nucleotide binding to the client G protein. Guanine Nucleotides 185-203 RIC8 guanine nucleotide exchange factor A Homo sapiens 99-105 31992598-5 2020 Here, we investigated four known guanine nucleotide exchange factors (GEFs) of Rab35, namely, DENN domain containing 1A (DENND1A), DENND1B, DENND1C, and folliculin (FLCN), and demonstrate that DENND1A and FLCN exhibit distinct requirements for Rab35-dependent PODXL trafficking under the two culture conditions. Guanine Nucleotides 33-51 RAB35, member RAS oncogene family Canis lupus familiaris 79-84 31992598-5 2020 Here, we investigated four known guanine nucleotide exchange factors (GEFs) of Rab35, namely, DENN domain containing 1A (DENND1A), DENND1B, DENND1C, and folliculin (FLCN), and demonstrate that DENND1A and FLCN exhibit distinct requirements for Rab35-dependent PODXL trafficking under the two culture conditions. Guanine Nucleotides 33-51 DENN domain containing 1A Canis lupus familiaris 121-128 31820785-6 2020 Homology modelling of these revealed that the Gly66 and Arg149 residues are located at the interface between the Galpha11 helical and GTPase domains, which is involved in guanine nucleotide binding, and this is the site of three other reported ADH2 mutations. Guanine Nucleotides 171-189 G protein subunit alpha 11 Homo sapiens 113-121 31820785-6 2020 Homology modelling of these revealed that the Gly66 and Arg149 residues are located at the interface between the Galpha11 helical and GTPase domains, which is involved in guanine nucleotide binding, and this is the site of three other reported ADH2 mutations. Guanine Nucleotides 171-189 alcohol dehydrogenase 1B (class I), beta polypeptide Homo sapiens 244-248 31980169-3 2020 Aiming to understand how RhoJ is activated, we used a gain of function approach to identify constitutively active Rho guanine nucleotide exchange factors (RhoGEFs) able to promote RhoJ-dependent actin-driven membrane protrusions. Guanine Nucleotides 118-136 ras homolog family member J Mus musculus 25-29 31980169-3 2020 Aiming to understand how RhoJ is activated, we used a gain of function approach to identify constitutively active Rho guanine nucleotide exchange factors (RhoGEFs) able to promote RhoJ-dependent actin-driven membrane protrusions. Guanine Nucleotides 118-136 ras homolog family member J Mus musculus 180-184 31974114-1 2020 Vav family guanine nucleotide exchange factors (GEFs) are essential regulators of immune function. Guanine Nucleotides 11-29 vav guanine nucleotide exchange factor 1 Homo sapiens 0-3 31776761-3 2020 Here, we show that in Caenorhabditis elegans (nematodes), the global sex-determining factor TRA-1 regulates food leaving (mate searching), male mating and adaptation to odorants in a sex-specific manner by repressing the expression of goa-1 gene, which encodes the Galpha(i/o) subunit of heterotrimeric G (guanine-nucleotide binding) proteins triggering physiological responses elicited by diverse neurotransmitters and sensory stimuli. Guanine Nucleotides 306-324 Sex-determining transformer protein 1 Caenorhabditis elegans 92-97 31776761-3 2020 Here, we show that in Caenorhabditis elegans (nematodes), the global sex-determining factor TRA-1 regulates food leaving (mate searching), male mating and adaptation to odorants in a sex-specific manner by repressing the expression of goa-1 gene, which encodes the Galpha(i/o) subunit of heterotrimeric G (guanine-nucleotide binding) proteins triggering physiological responses elicited by diverse neurotransmitters and sensory stimuli. Guanine Nucleotides 306-324 Guanine nucleotide-binding protein G(o) subunit alpha Caenorhabditis elegans 235-240 31931138-2 2020 In the current study, we demonstrate that treatment with NSC23766, a selective inhibitor of the Rac-specific guanine nucleotide exchange factors, Tiam1 and Trio, is sufficient to induce the death of embryonic stem cell (ESC)-derived motor neurons. Guanine Nucleotides 109-127 T cell lymphoma invasion and metastasis 1 Mus musculus 146-151 31931138-2 2020 In the current study, we demonstrate that treatment with NSC23766, a selective inhibitor of the Rac-specific guanine nucleotide exchange factors, Tiam1 and Trio, is sufficient to induce the death of embryonic stem cell (ESC)-derived motor neurons. Guanine Nucleotides 109-127 triple functional domain (PTPRF interacting) Mus musculus 156-160 31758832-1 2020 BACKGROUND: The small GTPase Rap1 and its guanine nucleotide exchange factor, CalDAG-GEFI (CDGI), are critical for platelet function and hemostatic plug formation. Guanine Nucleotides 42-60 RAS guanyl releasing protein 2 Homo sapiens 78-89 31758832-1 2020 BACKGROUND: The small GTPase Rap1 and its guanine nucleotide exchange factor, CalDAG-GEFI (CDGI), are critical for platelet function and hemostatic plug formation. Guanine Nucleotides 42-60 RAS guanyl releasing protein 2 Homo sapiens 91-95 32048687-3 2020 Translocation of the fused wildtype Rac1 effector permits its activation by GEFs (guanine nucleotide exchange factors) and consequent actin polymerization and lamellipodia formation, unlike in existing single-chain systems that operate by allosteric photo-switching of constitutively active Rac1 or the heterodimerization-based (i.e. two-component) membrane recruitment of a Rac1-activating GEF. Guanine Nucleotides 82-100 Rac family small GTPase 1 Homo sapiens 36-40 32120817-3 2020 Rap1 GTPases are ubiquitously expressed binary switches that alternate between active and inactive states and are regulated by diverse families of guanine nucleotide exchange factors (GEFs) and GTPase-activating proteins (GAPs). Guanine Nucleotides 147-165 RAP1A, member of RAS oncogene family Homo sapiens 0-4 31887652-4 2020 The Ras protein activator like 3 (RASAL3), Ras GTPase activating protein 3 (RASA3), Ras guanine nucleotide exchange factors 1 beta (RasGEF1B) were discovered by the 2-DE and mass spectrometry in bovine CLs, and the protein spots of RASA3 and RASAL3 were significantly increased in the SPCL compared to the PPCL, whereas the RasGEF1B was reduced in the PPCL (P < 0.05). Guanine Nucleotides 88-106 RasGEF domain family member 1B Bos taurus 132-140 31970984-1 2020 Grb2 is an adaptor protein that recruits Ras-specific guanine nucleotide exchange factor, Son of Sevenless 1 (SOS1), to the plasma membrane. Guanine Nucleotides 54-72 growth factor receptor bound protein 2 Homo sapiens 0-4 31836389-5 2020 Addition of the drug ISRIB, an activator of the eIF2 guanine nucleotide exchange factor, rescues the cell growth, translation, and neuronal differentiation defects associated with the EIF2S3 mutation, offering the possibility of therapeutic intervention for MEHMO syndrome. Guanine Nucleotides 53-71 eukaryotic translation initiation factor 2 subunit gamma Homo sapiens 48-52 31970984-1 2020 Grb2 is an adaptor protein that recruits Ras-specific guanine nucleotide exchange factor, Son of Sevenless 1 (SOS1), to the plasma membrane. Guanine Nucleotides 54-72 SOS Ras/Rac guanine nucleotide exchange factor 1 Homo sapiens 90-108 31970984-1 2020 Grb2 is an adaptor protein that recruits Ras-specific guanine nucleotide exchange factor, Son of Sevenless 1 (SOS1), to the plasma membrane. Guanine Nucleotides 54-72 SOS Ras/Rac guanine nucleotide exchange factor 1 Homo sapiens 110-114 31978045-5 2020 Indeed, optogenetic recruitment of constitutively active Cdc42 leads to co-recruitment of the guanine nucleotide exchange factor (GEF) Scd1 and endogenous Cdc42, in a manner dependent on the scaffold protein Scd2. Guanine Nucleotides 94-112 Rho family GTPase CDC42 Saccharomyces cerevisiae S288C 57-62 32041177-1 2020 RasGRP2 is calcium and diacylglycerol-regulated guanine nucleotide exchange factor I that activates Rap1, which is an essential signaling-knot in "inside-out" alphaIIbbeta3 integrin activation in platelets. Guanine Nucleotides 48-66 RAS guanyl releasing protein 2 Homo sapiens 0-7 32041177-1 2020 RasGRP2 is calcium and diacylglycerol-regulated guanine nucleotide exchange factor I that activates Rap1, which is an essential signaling-knot in "inside-out" alphaIIbbeta3 integrin activation in platelets. Guanine Nucleotides 48-66 RAP1A, member of RAS oncogene family Homo sapiens 100-104 32079227-0 2020 The Rho/Rac Guanine Nucleotide Exchange Factor Vav1 Regulates Hif-1alpha and Glut-1 Expression and Glucose Uptake in the Brain. Guanine Nucleotides 12-30 hypoxia inducible factor 1, alpha subunit Mus musculus 62-72 32079227-0 2020 The Rho/Rac Guanine Nucleotide Exchange Factor Vav1 Regulates Hif-1alpha and Glut-1 Expression and Glucose Uptake in the Brain. Guanine Nucleotides 12-30 solute carrier family 1 (glial high affinity glutamate transporter), member 3 Mus musculus 77-83 32049026-2 2020 Among the multitude of gephyrin-binding proteins is IQSEC3, a recently identified component at GABAergic synapses that acts through its ADP ribosylation factor-guanine nucleotide exchange factor (ARF-GEF) activity to orchestrate GABAergic synapse formation. Guanine Nucleotides 160-178 gephyrin Mus musculus 23-31 32049026-2 2020 Among the multitude of gephyrin-binding proteins is IQSEC3, a recently identified component at GABAergic synapses that acts through its ADP ribosylation factor-guanine nucleotide exchange factor (ARF-GEF) activity to orchestrate GABAergic synapse formation. Guanine Nucleotides 160-178 IQ motif and Sec7 domain 3 Mus musculus 52-58 31600844-5 2020 Negative candidate screening of known nuclear genes associated with PEO prompted diagnostic exome sequencing, leading to the prioritisation of a novel heterozygous c.547G>C variant in GMPR (NM_006877.3) encoding guanosine monophosphate reductase, a cytosolic enzyme required for maintaining the cellular balance of adenine and guanine nucleotides. Guanine Nucleotides 327-346 guanosine monophosphate reductase Homo sapiens 184-188 31802643-3 2020 Opsin3 (OPN3), a member of the guanine nucleotide-binding protein-coupled receptor superfamily, has been identified to affect the apoptosis of hepatoma cells by modulating the phosphorylation of Akt and Bcl2/Bax. Guanine Nucleotides 31-49 opsin 3 Homo sapiens 0-6 31802643-3 2020 Opsin3 (OPN3), a member of the guanine nucleotide-binding protein-coupled receptor superfamily, has been identified to affect the apoptosis of hepatoma cells by modulating the phosphorylation of Akt and Bcl2/Bax. Guanine Nucleotides 31-49 opsin 3 Homo sapiens 8-12 31802643-3 2020 Opsin3 (OPN3), a member of the guanine nucleotide-binding protein-coupled receptor superfamily, has been identified to affect the apoptosis of hepatoma cells by modulating the phosphorylation of Akt and Bcl2/Bax. Guanine Nucleotides 31-49 AKT serine/threonine kinase 1 Homo sapiens 195-198 31999252-5 2020 The structures define the mechanism of filament assembly, and reveal how filament-dependent allosteric regulation of IMPDH2 makes the enzyme less sensitive to feedback inhibition, explaining why assembly occurs under physiological conditions that require expansion of guanine nucleotide pools. Guanine Nucleotides 268-286 inosine monophosphate dehydrogenase 2 Homo sapiens 117-123 32012800-3 2020 The transmembrane heparan sulfate proteoglycan syndecan-4 plays multiple roles in signal transduction processes, such as regulating the activity of the small GTPase Rac1 (Ras-related C3 botulinum toxin substrate 1) by binding and inhibiting the activity of Tiam1 (T-lymphoma invasion and metastasis-1), a guanine nucleotide exchange factor for Rac1. Guanine Nucleotides 305-323 syndecan 4 Mus musculus 47-57 32012800-3 2020 The transmembrane heparan sulfate proteoglycan syndecan-4 plays multiple roles in signal transduction processes, such as regulating the activity of the small GTPase Rac1 (Ras-related C3 botulinum toxin substrate 1) by binding and inhibiting the activity of Tiam1 (T-lymphoma invasion and metastasis-1), a guanine nucleotide exchange factor for Rac1. Guanine Nucleotides 305-323 Rac family small GTPase 1 Mus musculus 165-169 32012800-3 2020 The transmembrane heparan sulfate proteoglycan syndecan-4 plays multiple roles in signal transduction processes, such as regulating the activity of the small GTPase Rac1 (Ras-related C3 botulinum toxin substrate 1) by binding and inhibiting the activity of Tiam1 (T-lymphoma invasion and metastasis-1), a guanine nucleotide exchange factor for Rac1. Guanine Nucleotides 305-323 Rac family small GTPase 1 Mus musculus 171-213 31898405-3 2020 Guanine nucleotide-binding protein subunit gamma-12 (GNG12) belongs to the G protein family, and participates in the modulation of the inflammatory signaling cascade. Guanine Nucleotides 0-18 G protein subunit gamma 12 Homo sapiens 53-58 31906585-6 2020 Strikingly, low monocytic guanine nucleotide exchange factor 10-like protein (ARHGEF10L) mRNA expression was associated with the disease severity and mortality of ICU patients. Guanine Nucleotides 26-44 Rho guanine nucleotide exchange factor 10 like Homo sapiens 78-87 31704028-5 2019 When binding to its agonist glycine or D-serine, GluD1 elicits non-ionotropic postsynaptic signaling involving the guanine nucleotide exchange factor ARHGEF12 and the regulatory subunit of protein phosphatase 1 PPP1R12A. Guanine Nucleotides 115-133 glutamate dehydrogenase 1 Homo sapiens 49-54 31646525-3 2020 Calcium influx into the postsynaptic neuron via: N-methyl-D-aspartate (NMDA) receptors activates small GTPase Rac1 and other Rac guanine nucleotide exchange factors, and stimulates calmodulin-dependent kinase kinase (CaMKK) and CaMKI; alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid receptors that are not impermeable to calcium ions, that is, those lacking the glutamate receptor-2 subunits, leads to activation of Ras guanine nucleotide-releasing factor proteins, which is coupled with activation of the mitogen-activated protein kinases/extracellular signal-regulated kinases signaling cascade; L-type voltage-gated calcium channels activates signaling pathways involving CaMKII, downstream responsive element antagonist modulator and distinct microdomains. Guanine Nucleotides 429-447 calcium/calmodulin dependent protein kinase kinase 2 Homo sapiens 181-215 32958726-3 2020 Sec12p is a guanine nucleotide exchange factor for Sar1p, which initiates COPII vesicle budding from the ER. Guanine Nucleotides 12-30 Sar family guanine nucleotide exchange factor SEC12 Saccharomyces cerevisiae S288C 0-6 32958726-3 2020 Sec12p is a guanine nucleotide exchange factor for Sar1p, which initiates COPII vesicle budding from the ER. Guanine Nucleotides 12-30 Arf family GTPase SAR1 Saccharomyces cerevisiae S288C 51-56 32115558-4 2020 DOCK11 was identified as a guanine nucleotide exchange factor for a small GTPase called cell division cycle 42. Guanine Nucleotides 27-45 dedicator of cytokinesis 11 Mus musculus 0-6 31794024-2 2020 TRAPPC4, like its yeast Trs23 orthologue, is a core component of the TRAPP complexes and one of the essential subunits for guanine nucleotide exchange factor activity for Rab1 GTPase. Guanine Nucleotides 123-141 trafficking protein particle complex subunit 4 Homo sapiens 0-7 31794024-2 2020 TRAPPC4, like its yeast Trs23 orthologue, is a core component of the TRAPP complexes and one of the essential subunits for guanine nucleotide exchange factor activity for Rab1 GTPase. Guanine Nucleotides 123-141 TRAPP subunit TRS23 Saccharomyces cerevisiae S288C 24-29 31689507-9 2020 Both the compounds were found to elevate and activate the Guanine nucleotide exchange factor C3G, which is a regulator of differentiation in IMR-32 cells. Guanine Nucleotides 58-76 Rap guanine nucleotide exchange factor 1 Homo sapiens 93-96 31569197-7 2020 Furthermore, there was decreased binding of [35S]guanosine-5*-O-(3-thiotriphosphate) ([35S] GTPgammaS) and the guanine nucleotide-binding (G) protein Galphai2 subunit in the EtOH-exposed animals. Guanine Nucleotides 111-129 guanine nucleotide binding protein (G protein), alpha inhibiting 2 Mus musculus 150-158 31548614-4 2020 Among the identified genes shared by the two cell types are proto-oncogenes ERK2, a component of the ERK/MAPK pathway, and VAV1, a guanine nucleotide exchange factor for Rho family GTPases that also activates the ERK/MAPK pathway. Guanine Nucleotides 131-149 vav guanine nucleotide exchange factor 1 Homo sapiens 123-127 31548614-4 2020 Among the identified genes shared by the two cell types are proto-oncogenes ERK2, a component of the ERK/MAPK pathway, and VAV1, a guanine nucleotide exchange factor for Rho family GTPases that also activates the ERK/MAPK pathway. Guanine Nucleotides 131-149 mitogen-activated protein kinase 1 Homo sapiens 217-221 31704028-5 2019 When binding to its agonist glycine or D-serine, GluD1 elicits non-ionotropic postsynaptic signaling involving the guanine nucleotide exchange factor ARHGEF12 and the regulatory subunit of protein phosphatase 1 PPP1R12A. Guanine Nucleotides 115-133 Rho guanine nucleotide exchange factor 12 Homo sapiens 150-158 31145635-6 2019 The oncogene ECT2 (epithelial cell transforming sequence 2), a guanine nucleotide exchange factor for Rho GTPases, was highly enriched in both IPF and non-small cell lung cancer compared with nondiseased controls. Guanine Nucleotides 63-81 epithelial cell transforming 2 Homo sapiens 13-17 31817822-1 2019 Signalling by cyclic adenosine monophosphate (cAMP) occurs via various effector proteins, notably protein kinase A and the guanine nucleotide exchange factors Epac1 and Epac2. Guanine Nucleotides 123-141 Rap guanine nucleotide exchange factor 3 Homo sapiens 159-164 31817822-1 2019 Signalling by cyclic adenosine monophosphate (cAMP) occurs via various effector proteins, notably protein kinase A and the guanine nucleotide exchange factors Epac1 and Epac2. Guanine Nucleotides 123-141 Rap guanine nucleotide exchange factor 4 Homo sapiens 169-174 31145635-6 2019 The oncogene ECT2 (epithelial cell transforming sequence 2), a guanine nucleotide exchange factor for Rho GTPases, was highly enriched in both IPF and non-small cell lung cancer compared with nondiseased controls. Guanine Nucleotides 63-81 epithelial cell transforming 2 Homo sapiens 19-58 31300985-3 2019 Rac1 activation is regulated by guanine exchange factors and guanine nucleotide-dissociation inhibitors, and post-translational modifications assist in its association with exchange factors and dissociation inhibitors. Guanine Nucleotides 61-79 Rac family small GTPase 1 Homo sapiens 0-4 31163262-0 2019 Expression of the guanine nucleotide exchange factor, RAPGEF5, during mouse and human embryogenesis. Guanine Nucleotides 18-36 Rap guanine nucleotide exchange factor (GEF) 5 Mus musculus 54-61 31539530-1 2019 ADP-ribosylation factor 3 (ARF3) is a member of the KRAS proto-oncogene, GTPase(Ras) super-family of guanine nucleotide-binding proteins that mediates Golgi-related mitosis, but its role in malignant cells is unclear. Guanine Nucleotides 101-119 ADP ribosylation factor 3 Homo sapiens 0-25 31300985-14 2019 The binding of Rac1 with guanine nucleotide-dissociation inhibitor (GDI) is decreased, but its association with the guanine exchange factor, Vav2, is increased, resulting in Rac1 activation. Guanine Nucleotides 25-43 Rac family small GTPase 1 Homo sapiens 15-19 31832018-1 2019 Background: Switch-associated protein 70 (SWAP-70) is a guanine nucleotide exchange factor that is involved in cytoskeletal rearrangement and regulation of migration and invasion of malignant tumors. Guanine Nucleotides 56-74 switching B cell complex subunit SWAP70 Homo sapiens 12-40 31832018-1 2019 Background: Switch-associated protein 70 (SWAP-70) is a guanine nucleotide exchange factor that is involved in cytoskeletal rearrangement and regulation of migration and invasion of malignant tumors. Guanine Nucleotides 56-74 switching B cell complex subunit SWAP70 Homo sapiens 42-49 31624147-0 2019 Large-scale conformational rearrangement of the alpha5-helix of Galpha subunits in complex with the guanine nucleotide exchange factor Ric8A. Guanine Nucleotides 100-118 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 64-70 31624147-0 2019 Large-scale conformational rearrangement of the alpha5-helix of Galpha subunits in complex with the guanine nucleotide exchange factor Ric8A. Guanine Nucleotides 100-118 RIC8 guanine nucleotide exchange factor A Homo sapiens 135-140 31624147-1 2019 Resistance to inhibitors of cholinesterase 8A (Ric8A) protein is an important GPCR-independent regulator of G protein alpha-subunits (Galpha), acting as a guanine nucleotide exchange factor (GEF) and a chaperone. Guanine Nucleotides 155-173 RIC8 guanine nucleotide exchange factor A Homo sapiens 0-45 31624147-1 2019 Resistance to inhibitors of cholinesterase 8A (Ric8A) protein is an important GPCR-independent regulator of G protein alpha-subunits (Galpha), acting as a guanine nucleotide exchange factor (GEF) and a chaperone. Guanine Nucleotides 155-173 RIC8 guanine nucleotide exchange factor A Homo sapiens 47-52 31624147-1 2019 Resistance to inhibitors of cholinesterase 8A (Ric8A) protein is an important GPCR-independent regulator of G protein alpha-subunits (Galpha), acting as a guanine nucleotide exchange factor (GEF) and a chaperone. Guanine Nucleotides 155-173 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 134-140 31624147-1 2019 Resistance to inhibitors of cholinesterase 8A (Ric8A) protein is an important GPCR-independent regulator of G protein alpha-subunits (Galpha), acting as a guanine nucleotide exchange factor (GEF) and a chaperone. Guanine Nucleotides 155-173 Rho/Rac guanine nucleotide exchange factor 2 Homo sapiens 191-194 31539530-1 2019 ADP-ribosylation factor 3 (ARF3) is a member of the KRAS proto-oncogene, GTPase(Ras) super-family of guanine nucleotide-binding proteins that mediates Golgi-related mitosis, but its role in malignant cells is unclear. Guanine Nucleotides 101-119 ADP ribosylation factor 3 Homo sapiens 27-31 31539530-1 2019 ADP-ribosylation factor 3 (ARF3) is a member of the KRAS proto-oncogene, GTPase(Ras) super-family of guanine nucleotide-binding proteins that mediates Golgi-related mitosis, but its role in malignant cells is unclear. Guanine Nucleotides 101-119 KRAS proto-oncogene, GTPase Homo sapiens 52-56 31549965-3 2019 Here, we show that small arteries from mice with smooth muscle-specific loss of G12/G13 or the Rho guanine nucleotide exchange factor ARHGEF12 have lost myogenic vasoconstriction. Guanine Nucleotides 99-117 Rho guanine nucleotide exchange factor (GEF) 12 Mus musculus 134-142 31607425-3 2019 IQSEC1-3 encode guanine nucleotide exchange factors for the small GTPase ARF6 and their loss affects a variety of actin-dependent cellular processes, including AMPA receptor trafficking at synapses. Guanine Nucleotides 16-34 IQ motif and Sec7 domain 1 Mus musculus 0-6 31607425-3 2019 IQSEC1-3 encode guanine nucleotide exchange factors for the small GTPase ARF6 and their loss affects a variety of actin-dependent cellular processes, including AMPA receptor trafficking at synapses. Guanine Nucleotides 16-34 ADP-ribosylation factor 6 Mus musculus 73-77 31607425-3 2019 IQSEC1-3 encode guanine nucleotide exchange factors for the small GTPase ARF6 and their loss affects a variety of actin-dependent cellular processes, including AMPA receptor trafficking at synapses. Guanine Nucleotides 16-34 Actin 79B Drosophila melanogaster 114-119 31620201-1 2019 Guanine nucleotide exchange factor T (GEFT), a member of the Rho guanine nucleotide exchange factor family, is expressed in a variety of tumors. Guanine Nucleotides 65-83 Rho guanine nucleotide exchange factor 25 Homo sapiens 0-36 31620201-1 2019 Guanine nucleotide exchange factor T (GEFT), a member of the Rho guanine nucleotide exchange factor family, is expressed in a variety of tumors. Guanine Nucleotides 65-83 Rho guanine nucleotide exchange factor 25 Homo sapiens 38-42 31490066-1 2019 Dbl family Rho Guanine nucleotide exchange factors (RhoGEFs) play a central role in cell biology by catalyzing the exchange of GTP for GDP on RhoA. Guanine Nucleotides 15-33 ras homolog family member A Homo sapiens 142-146 32109988-4 2019 Immunohistochemistry (IHC) was carried out to study the effect of Ado on the expression of Rho-specific guanine nucleotide dissociation inhibitor 2 (RhoGDI2) in the subcutaneous xenografts. Guanine Nucleotides 104-122 Rho GDP dissociation inhibitor (GDI) gamma Mus musculus 149-156 31408726-4 2019 Studies have also demonstrated that in addition to its role in repairing oxidized purines, OGG1 has guanine nucleotide exchange factor activity when bound to 8-oxoG. Guanine Nucleotides 100-118 8-oxoguanine DNA-glycosylase 1 Mus musculus 91-95 31197859-9 2019 In addition, guanine nucleotide exchange assays also substantiate that the designed SH3-targeted peptiods can effectively enhance TIM-catalyzed RhoA exchange activity (EA), which is observed to present an exponential relationship with the measured SH3-peptoid binding affinity (pKd ). Guanine Nucleotides 13-31 Rho guanine nucleotide exchange factor 5 Homo sapiens 130-133 31197859-9 2019 In addition, guanine nucleotide exchange assays also substantiate that the designed SH3-targeted peptiods can effectively enhance TIM-catalyzed RhoA exchange activity (EA), which is observed to present an exponential relationship with the measured SH3-peptoid binding affinity (pKd ). Guanine Nucleotides 13-31 ras homolog family member A Homo sapiens 144-148 31197859-9 2019 In addition, guanine nucleotide exchange assays also substantiate that the designed SH3-targeted peptiods can effectively enhance TIM-catalyzed RhoA exchange activity (EA), which is observed to present an exponential relationship with the measured SH3-peptoid binding affinity (pKd ). Guanine Nucleotides 13-31 protein kinase D1 Homo sapiens 278-281 31695683-3 2019 cAMP is able to trigger various downstream pathways, mainly the canonical PKA pathway and the non-canonical cAMP-activated guanine nucleotide exchange factor (EPAC) pathway. Guanine Nucleotides 123-141 Rap guanine nucleotide exchange factor 3 Homo sapiens 159-163 31594549-3 2019 The C9orf72 protein itself plays a role in vesicular transport, serving as a guanine nucleotide exchange factor that regulates GTPases. Guanine Nucleotides 77-95 C9orf72-SMCR8 complex subunit Homo sapiens 4-11 31432619-1 2019 Rab and Arl guanine nucleotide-binding (G) proteins regulate trafficking pathways essential for the formation, function and composition of primary cilia, which are sensory devices associated with Sonic hedgehog (Shh) signalling and ciliopathies. Guanine Nucleotides 12-30 sonic hedgehog signaling molecule Homo sapiens 196-210 31432619-1 2019 Rab and Arl guanine nucleotide-binding (G) proteins regulate trafficking pathways essential for the formation, function and composition of primary cilia, which are sensory devices associated with Sonic hedgehog (Shh) signalling and ciliopathies. Guanine Nucleotides 12-30 sonic hedgehog signaling molecule Homo sapiens 212-215 31575075-3 2019 We confirm that DDX3X nuclear export is mediated by the nuclear transporter exportin-1/CRM1, dependent on an N-terminal, leucine-rich nuclear export signal (NES) and the monomeric guanine nucleotide binding protein Ran in activated GTP-bound form. Guanine Nucleotides 180-198 DEAD-box helicase 3 X-linked Homo sapiens 16-21 31575075-3 2019 We confirm that DDX3X nuclear export is mediated by the nuclear transporter exportin-1/CRM1, dependent on an N-terminal, leucine-rich nuclear export signal (NES) and the monomeric guanine nucleotide binding protein Ran in activated GTP-bound form. Guanine Nucleotides 180-198 exportin 1 Homo sapiens 76-86 31575075-3 2019 We confirm that DDX3X nuclear export is mediated by the nuclear transporter exportin-1/CRM1, dependent on an N-terminal, leucine-rich nuclear export signal (NES) and the monomeric guanine nucleotide binding protein Ran in activated GTP-bound form. Guanine Nucleotides 180-198 exportin 1 Homo sapiens 87-91 31575075-3 2019 We confirm that DDX3X nuclear export is mediated by the nuclear transporter exportin-1/CRM1, dependent on an N-terminal, leucine-rich nuclear export signal (NES) and the monomeric guanine nucleotide binding protein Ran in activated GTP-bound form. Guanine Nucleotides 180-198 RAN, member RAS oncogene family Homo sapiens 215-218 31270230-9 2019 In this work, we show that the guanine nucleotide exchange factor GBF1, relevant for COPI/Arf1-mediated cellular vesicular transport, participates in the replication cycle of the virus, influencing the correct processing of viral glycoproteins VP7 and NSP4 and the assembly of the virus surface proteins VP7 and VP4. Guanine Nucleotides 31-49 golgi brefeldin A resistant guanine nucleotide exchange factor 1 Homo sapiens 66-70 31416932-4 2019 GPR139 is coexpressed with MOR in opioid-sensitive brain circuits, binds to MOR, and inhibits signaling to heterotrimeric guanine nucleotide-binding proteins (G proteins). Guanine Nucleotides 122-140 G protein-coupled receptor 139 Mus musculus 0-6 31270230-9 2019 In this work, we show that the guanine nucleotide exchange factor GBF1, relevant for COPI/Arf1-mediated cellular vesicular transport, participates in the replication cycle of the virus, influencing the correct processing of viral glycoproteins VP7 and NSP4 and the assembly of the virus surface proteins VP7 and VP4. Guanine Nucleotides 31-49 ADP ribosylation factor 1 Homo sapiens 90-94 31270230-9 2019 In this work, we show that the guanine nucleotide exchange factor GBF1, relevant for COPI/Arf1-mediated cellular vesicular transport, participates in the replication cycle of the virus, influencing the correct processing of viral glycoproteins VP7 and NSP4 and the assembly of the virus surface proteins VP7 and VP4. Guanine Nucleotides 31-49 VP7 Rotavirus A 244-247 31270230-9 2019 In this work, we show that the guanine nucleotide exchange factor GBF1, relevant for COPI/Arf1-mediated cellular vesicular transport, participates in the replication cycle of the virus, influencing the correct processing of viral glycoproteins VP7 and NSP4 and the assembly of the virus surface proteins VP7 and VP4. Guanine Nucleotides 31-49 serine protease 57 Homo sapiens 252-256 31270230-9 2019 In this work, we show that the guanine nucleotide exchange factor GBF1, relevant for COPI/Arf1-mediated cellular vesicular transport, participates in the replication cycle of the virus, influencing the correct processing of viral glycoproteins VP7 and NSP4 and the assembly of the virus surface proteins VP7 and VP4. Guanine Nucleotides 31-49 VP7 Rotavirus A 304-307 31243195-6 2019 Gene expression levels of both Rac1 and Rac-guanine nucleotide exchange factors (GEFs), such as Tiam1 and Trio, were increased in BSMs of Chal. Guanine Nucleotides 44-62 T cell lymphoma invasion and metastasis 1 Mus musculus 96-101 31362179-1 2019 BACKGROUND AND AIMS: The physiological role of Rho-specific guanine nucleotide dissociation inhibitor (RhoGDI) in vascular remodeling remains unknown. Guanine Nucleotides 60-78 Rho GDP dissociation inhibitor (GDI) alpha Mus musculus 103-109 31723719-1 2019 Genome-wide association studies identified loci associated with polycystic ovary syndrome (PCOS), including those near the LH receptor gene (LHCGR), a clathrin-binding protein (DENND1A) that functions as a guanine nucleotide exchange factor, and the gene encoding RAB5B, a GTPase involved in vesicular trafficking. Guanine Nucleotides 206-224 luteinizing hormone/choriogonadotropin receptor Homo sapiens 123-134 31723719-1 2019 Genome-wide association studies identified loci associated with polycystic ovary syndrome (PCOS), including those near the LH receptor gene (LHCGR), a clathrin-binding protein (DENND1A) that functions as a guanine nucleotide exchange factor, and the gene encoding RAB5B, a GTPase involved in vesicular trafficking. Guanine Nucleotides 206-224 luteinizing hormone/choriogonadotropin receptor Homo sapiens 141-146 31723719-1 2019 Genome-wide association studies identified loci associated with polycystic ovary syndrome (PCOS), including those near the LH receptor gene (LHCGR), a clathrin-binding protein (DENND1A) that functions as a guanine nucleotide exchange factor, and the gene encoding RAB5B, a GTPase involved in vesicular trafficking. Guanine Nucleotides 206-224 DENN domain containing 1A Homo sapiens 177-184 31723719-1 2019 Genome-wide association studies identified loci associated with polycystic ovary syndrome (PCOS), including those near the LH receptor gene (LHCGR), a clathrin-binding protein (DENND1A) that functions as a guanine nucleotide exchange factor, and the gene encoding RAB5B, a GTPase involved in vesicular trafficking. Guanine Nucleotides 206-224 RAB5B, member RAS oncogene family Homo sapiens 264-269 31243195-6 2019 Gene expression levels of both Rac1 and Rac-guanine nucleotide exchange factors (GEFs), such as Tiam1 and Trio, were increased in BSMs of Chal. Guanine Nucleotides 44-62 triple functional domain (PTPRF interacting) Mus musculus 106-110 31089935-3 2019 Rho GTPase-specific guanine nucleotide exchange factors (RhoGEFs) are regulated by various extracellular stimuli and activates Rho GTPase such as RhoA, Rac1, and Cdc42. Guanine Nucleotides 20-38 ras homolog family member A Homo sapiens 146-150 31089935-3 2019 Rho GTPase-specific guanine nucleotide exchange factors (RhoGEFs) are regulated by various extracellular stimuli and activates Rho GTPase such as RhoA, Rac1, and Cdc42. Guanine Nucleotides 20-38 Rac family small GTPase 1 Homo sapiens 152-156 31089935-3 2019 Rho GTPase-specific guanine nucleotide exchange factors (RhoGEFs) are regulated by various extracellular stimuli and activates Rho GTPase such as RhoA, Rac1, and Cdc42. Guanine Nucleotides 20-38 cell division cycle 42 Homo sapiens 162-167 28489964-1 2019 PLEKHG2 is a Gbetagamma- and Galphas-dependent guanine nucleotide exchange factor for Rac1 and Cdc42 small GTPases and has been shown to mediate signaling pathways such as those for actin cytoskeletal reorganization and serum response element (SRE)-dependent gene transcription. Guanine Nucleotides 47-65 pleckstrin homology and RhoGEF domain containing G2 Homo sapiens 0-7 31402636-1 2019 betaPix is a guanine nucleotide exchange factor for the Rho family small GTPases, Rac1 and Cdc42. Guanine Nucleotides 13-31 Rho guanine nucleotide exchange factor (GEF7) Mus musculus 0-7 31402636-1 2019 betaPix is a guanine nucleotide exchange factor for the Rho family small GTPases, Rac1 and Cdc42. Guanine Nucleotides 13-31 Rac family small GTPase 1 Mus musculus 82-86 31402636-1 2019 betaPix is a guanine nucleotide exchange factor for the Rho family small GTPases, Rac1 and Cdc42. Guanine Nucleotides 13-31 cell division cycle 42 Mus musculus 91-96 28489964-1 2019 PLEKHG2 is a Gbetagamma- and Galphas-dependent guanine nucleotide exchange factor for Rac1 and Cdc42 small GTPases and has been shown to mediate signaling pathways such as those for actin cytoskeletal reorganization and serum response element (SRE)-dependent gene transcription. Guanine Nucleotides 47-65 Rac family small GTPase 1 Homo sapiens 86-90 28489964-1 2019 PLEKHG2 is a Gbetagamma- and Galphas-dependent guanine nucleotide exchange factor for Rac1 and Cdc42 small GTPases and has been shown to mediate signaling pathways such as those for actin cytoskeletal reorganization and serum response element (SRE)-dependent gene transcription. Guanine Nucleotides 47-65 cell division cycle 42 Homo sapiens 95-100 31431179-4 2019 First, we consider how forces exerted on cell adhesion molecules at the cell surface regulate the RhoA signalling pathway by controlling the activities of guanine nucleotide exchange factors (GEFs) and GTPase activating proteins (GAPs). Guanine Nucleotides 155-173 ras homolog family member A Homo sapiens 98-102 31431650-0 2019 Two Isoforms of the Guanine Nucleotide Exchange Factor, Daple/CCDC88C Cooperate as Tumor Suppressors. Guanine Nucleotides 20-38 coiled-coil domain containing 88C Homo sapiens 56-61 31431650-0 2019 Two Isoforms of the Guanine Nucleotide Exchange Factor, Daple/CCDC88C Cooperate as Tumor Suppressors. Guanine Nucleotides 20-38 coiled-coil domain containing 88C Homo sapiens 62-69 31296556-2 2019 Here, we found that Parcas (Pcs), recently shown to have guanine nucleotide exchange (GEF) activity toward Rab11, co-localizes with Rab11 on the trans-side of Golgi units and post-Golgi vesicles at the base of the rhabdomeres in pupal photoreceptors. Guanine Nucleotides 57-75 parcas Drosophila melanogaster 20-26 31182637-11 2019 Here we show, using a combination of molecular, pharmacological, and lentiviral techniques, that the guanine nucleotide exchange factor RasGRF2 mediates cocaine self-administration via an ERK-dependent mechanism, whereas RasGRF1 has no effect on responding for cocaine. Guanine Nucleotides 101-119 RAS protein-specific guanine nucleotide-releasing factor 2 Mus musculus 136-143 31296556-2 2019 Here, we found that Parcas (Pcs), recently shown to have guanine nucleotide exchange (GEF) activity toward Rab11, co-localizes with Rab11 on the trans-side of Golgi units and post-Golgi vesicles at the base of the rhabdomeres in pupal photoreceptors. Guanine Nucleotides 57-75 parcas Drosophila melanogaster 28-31 31182637-11 2019 Here we show, using a combination of molecular, pharmacological, and lentiviral techniques, that the guanine nucleotide exchange factor RasGRF2 mediates cocaine self-administration via an ERK-dependent mechanism, whereas RasGRF1 has no effect on responding for cocaine. Guanine Nucleotides 101-119 mitogen-activated protein kinase 1 Mus musculus 188-191 31296556-2 2019 Here, we found that Parcas (Pcs), recently shown to have guanine nucleotide exchange (GEF) activity toward Rab11, co-localizes with Rab11 on the trans-side of Golgi units and post-Golgi vesicles at the base of the rhabdomeres in pupal photoreceptors. Guanine Nucleotides 57-75 PDZ domain-containing guanine nucleotide exchange factor Drosophila melanogaster 86-89 31296556-2 2019 Here, we found that Parcas (Pcs), recently shown to have guanine nucleotide exchange (GEF) activity toward Rab11, co-localizes with Rab11 on the trans-side of Golgi units and post-Golgi vesicles at the base of the rhabdomeres in pupal photoreceptors. Guanine Nucleotides 57-75 Rab11 Drosophila melanogaster 107-112 31296556-2 2019 Here, we found that Parcas (Pcs), recently shown to have guanine nucleotide exchange (GEF) activity toward Rab11, co-localizes with Rab11 on the trans-side of Golgi units and post-Golgi vesicles at the base of the rhabdomeres in pupal photoreceptors. Guanine Nucleotides 57-75 Rab11 Drosophila melanogaster 132-137 30976111-1 2019 The DOCK3 gene encodes the Dedicator of cytokinesis 3 (DOCK3) protein, which belongs to the family of guanine nucleotide exchange factors and is expressed almost exclusively in the brain and spinal cord. Guanine Nucleotides 102-120 dedicator of cytokinesis 3 Homo sapiens 4-9 31197034-3 2019 Initially, SmgGDS proteins were classified as guanine nucleotide exchange factors, but recent findings suggest that SmgGDS proteins also regulate prenylation of small GTPases in vivo in a substrate-selective manner. Guanine Nucleotides 46-64 Rap1 GTPase-GDP dissociation stimulator 1 Homo sapiens 11-17 31428611-1 2019 Monensin Sensitive 1 (Mon1) is a component of the Mon1:Ccz1 complex that mediates Rab5 to Rab7 conversion in eukaryotic cells by serving as a guanine nucleotide exchange factor for Rab7 during vesicular trafficking. Guanine Nucleotides 142-160 Caffeine, calcium, zinc sensitivity 1 Drosophila melanogaster 55-59 31428611-1 2019 Monensin Sensitive 1 (Mon1) is a component of the Mon1:Ccz1 complex that mediates Rab5 to Rab7 conversion in eukaryotic cells by serving as a guanine nucleotide exchange factor for Rab7 during vesicular trafficking. Guanine Nucleotides 142-160 Rab5 Drosophila melanogaster 82-86 31428611-1 2019 Monensin Sensitive 1 (Mon1) is a component of the Mon1:Ccz1 complex that mediates Rab5 to Rab7 conversion in eukaryotic cells by serving as a guanine nucleotide exchange factor for Rab7 during vesicular trafficking. Guanine Nucleotides 142-160 Rab7 Drosophila melanogaster 90-94 31428611-1 2019 Monensin Sensitive 1 (Mon1) is a component of the Mon1:Ccz1 complex that mediates Rab5 to Rab7 conversion in eukaryotic cells by serving as a guanine nucleotide exchange factor for Rab7 during vesicular trafficking. Guanine Nucleotides 142-160 Rab7 Drosophila melanogaster 181-185 30976111-1 2019 The DOCK3 gene encodes the Dedicator of cytokinesis 3 (DOCK3) protein, which belongs to the family of guanine nucleotide exchange factors and is expressed almost exclusively in the brain and spinal cord. Guanine Nucleotides 102-120 dedicator of cytokinesis 3 Homo sapiens 27-53 30976111-1 2019 The DOCK3 gene encodes the Dedicator of cytokinesis 3 (DOCK3) protein, which belongs to the family of guanine nucleotide exchange factors and is expressed almost exclusively in the brain and spinal cord. Guanine Nucleotides 102-120 dedicator of cytokinesis 3 Homo sapiens 55-60 31371825-3 2019 Here we show that IMP dehydrogenase-2 (IMPDH2), the rate-limiting enzyme for de novo guanine nucleotide biosynthesis, is overexpressed in the highly lethal brain cancer glioblastoma. Guanine Nucleotides 85-103 inosine monophosphate dehydrogenase 2 Homo sapiens 18-37 30536836-1 2019 Son of sevenless (SOS) is one of the guanine nucleotide exchange factors that can regulate the mitogen-activated protein kinase/extracellular signal regulated kinase signal pathway via controlling the activation of Ras. Guanine Nucleotides 37-55 SOS Ras/Rho guanine nucleotide exchange factor 2 Homo sapiens 18-21 31371825-3 2019 Here we show that IMP dehydrogenase-2 (IMPDH2), the rate-limiting enzyme for de novo guanine nucleotide biosynthesis, is overexpressed in the highly lethal brain cancer glioblastoma. Guanine Nucleotides 85-103 inosine monophosphate dehydrogenase 2 Homo sapiens 39-45 31308374-4 2019 Mechanistically, we identify the small GTPase RAB11 as an interactor of the guanine nucleotide exchange factor DEF6, and find disrupted binding of mutant DEF6 to RAB11 as well as reduced RAB11+CTLA-4+ vesicles in DEF6-mutated cells. Guanine Nucleotides 76-94 RAB11A, member RAS oncogene family Homo sapiens 46-51 31337738-5 2019 Classical p38 signals were reduced after T cell-specific deletion of the guanine nucleotide exchange factors Sos1 and Sos2, which are essential LAT signalosome components. Guanine Nucleotides 73-91 mitogen-activated protein kinase 14 Mus musculus 10-13 31337738-5 2019 Classical p38 signals were reduced after T cell-specific deletion of the guanine nucleotide exchange factors Sos1 and Sos2, which are essential LAT signalosome components. Guanine Nucleotides 73-91 SOS Ras/Rac guanine nucleotide exchange factor 1 Mus musculus 109-113 31337738-5 2019 Classical p38 signals were reduced after T cell-specific deletion of the guanine nucleotide exchange factors Sos1 and Sos2, which are essential LAT signalosome components. Guanine Nucleotides 73-91 SOS Ras/Rho guanine nucleotide exchange factor 2 Mus musculus 118-122 31337738-5 2019 Classical p38 signals were reduced after T cell-specific deletion of the guanine nucleotide exchange factors Sos1 and Sos2, which are essential LAT signalosome components. Guanine Nucleotides 73-91 linker for activation of T cells Mus musculus 144-147 31308374-4 2019 Mechanistically, we identify the small GTPase RAB11 as an interactor of the guanine nucleotide exchange factor DEF6, and find disrupted binding of mutant DEF6 to RAB11 as well as reduced RAB11+CTLA-4+ vesicles in DEF6-mutated cells. Guanine Nucleotides 76-94 DEF6 guanine nucleotide exchange factor Homo sapiens 111-115 31308374-4 2019 Mechanistically, we identify the small GTPase RAB11 as an interactor of the guanine nucleotide exchange factor DEF6, and find disrupted binding of mutant DEF6 to RAB11 as well as reduced RAB11+CTLA-4+ vesicles in DEF6-mutated cells. Guanine Nucleotides 76-94 cytotoxic T-lymphocyte associated protein 4 Homo sapiens 193-199 31059774-1 2019 EPAC2 is a guanine nucleotide exchange factor that regulates GTPase activity of the small GTPase Rap and Ras and is highly enriched at synapses. Guanine Nucleotides 11-29 Rap guanine nucleotide exchange factor (GEF) 4 Mus musculus 0-5 31059774-1 2019 EPAC2 is a guanine nucleotide exchange factor that regulates GTPase activity of the small GTPase Rap and Ras and is highly enriched at synapses. Guanine Nucleotides 11-29 low density lipoprotein receptor-related protein associated protein 1 Mus musculus 97-100 30853411-1 2019 The Dedicator Of CytoKinesis (DOCK) family of atypical guanine nucleotide exchange factors activates the Rho family GTPases Rac and/or Cdc42 through DOCK homology region 2 (DHR-2). Guanine Nucleotides 55-73 Rac family small GTPase 1 Homo sapiens 124-127 31017840-3 2019 Recently, an alternative paradigm for cAMP signaling has emerged in which growth factor-receptor tyrosine kinases (RTKs; e.g., EGFR) access and modulate G proteins via a cytosolic guanine-nucleotide exchange modulator (GEM), GIV/girdin; dysregulation of this pathway is frequently encountered in cancers. Guanine Nucleotides 180-198 epidermal growth factor receptor Homo sapiens 127-131 31017840-3 2019 Recently, an alternative paradigm for cAMP signaling has emerged in which growth factor-receptor tyrosine kinases (RTKs; e.g., EGFR) access and modulate G proteins via a cytosolic guanine-nucleotide exchange modulator (GEM), GIV/girdin; dysregulation of this pathway is frequently encountered in cancers. Guanine Nucleotides 180-198 coiled-coil domain containing 88A Homo sapiens 225-228 31017840-3 2019 Recently, an alternative paradigm for cAMP signaling has emerged in which growth factor-receptor tyrosine kinases (RTKs; e.g., EGFR) access and modulate G proteins via a cytosolic guanine-nucleotide exchange modulator (GEM), GIV/girdin; dysregulation of this pathway is frequently encountered in cancers. Guanine Nucleotides 180-198 coiled-coil domain containing 88A Homo sapiens 229-235 30943106-0 2019 Promiscuity of the catalytic Sec7 domain within the guanine nucleotide exchange factor GBF1 in ARF activation, Golgi homeostasis, and effector recruitment. Guanine Nucleotides 52-70 cytohesin 1 Homo sapiens 29-33 30943106-0 2019 Promiscuity of the catalytic Sec7 domain within the guanine nucleotide exchange factor GBF1 in ARF activation, Golgi homeostasis, and effector recruitment. Guanine Nucleotides 52-70 golgi brefeldin A resistant guanine nucleotide exchange factor 1 Homo sapiens 87-91 30943106-1 2019 The integrity of the Golgi and trans-Golgi network (TGN) is disrupted by brefeldin A (BFA), which inhibits the Golgi-localized BFA-sensitive factor (GBF1) and brefeldin A-inhibited guanine nucleotide-exchange factors (BIG1 and BIG2). Guanine Nucleotides 181-199 golgi brefeldin A resistant guanine nucleotide exchange factor 1 Homo sapiens 149-153 30994039-2 2019 These small GTP ases are themselves regulated by guanine nucleotide exchange factors such as Arhgefs, several of which are found in platelets, including the highly expressed Arhgef1. Guanine Nucleotides 49-67 Rho guanine nucleotide exchange factor (GEF) 1 Mus musculus 174-181 31239323-3 2019 Exposure to MeHg at 10 ppm did not induce weight loss typical of higher doses but caused mitochondrial hyperfission in myocardium through the activation of Drp1 by its guanine nucleotide exchange factor filamin-A. Guanine Nucleotides 168-186 collapsin response mediator protein 1 Mus musculus 156-160 31239323-3 2019 Exposure to MeHg at 10 ppm did not induce weight loss typical of higher doses but caused mitochondrial hyperfission in myocardium through the activation of Drp1 by its guanine nucleotide exchange factor filamin-A. Guanine Nucleotides 168-186 filamin, alpha Mus musculus 203-212 30952657-4 2019 Biochemical and structural studies demonstrated that KRASA146T exhibits a marked extension of switch 1 away from the protein body and nucleotide binding site, which activates KRAS by promoting a high rate of intrinsic and guanine nucleotide exchange factor-induced nucleotide exchange. Guanine Nucleotides 222-240 KRAS proto-oncogene, GTPase Homo sapiens 53-57 31097607-3 2019 Nephrin signals from the podocyte slit diaphragm to the Actin cytoskeleton by recruiting proteins that can interact with C3G, a guanine nucleotide exchange factor of the small GTPase Rap1. Guanine Nucleotides 128-146 NPHS1 adhesion molecule, nephrin Homo sapiens 0-7 31097607-3 2019 Nephrin signals from the podocyte slit diaphragm to the Actin cytoskeleton by recruiting proteins that can interact with C3G, a guanine nucleotide exchange factor of the small GTPase Rap1. Guanine Nucleotides 128-146 Actin 79B Drosophila melanogaster 56-61 31097607-3 2019 Nephrin signals from the podocyte slit diaphragm to the Actin cytoskeleton by recruiting proteins that can interact with C3G, a guanine nucleotide exchange factor of the small GTPase Rap1. Guanine Nucleotides 128-146 C3G guanyl-nucleotide exchange factor Drosophila melanogaster 121-124 31097607-3 2019 Nephrin signals from the podocyte slit diaphragm to the Actin cytoskeleton by recruiting proteins that can interact with C3G, a guanine nucleotide exchange factor of the small GTPase Rap1. Guanine Nucleotides 128-146 Rap1 GTPase Drosophila melanogaster 183-187 31095630-0 2019 Mice lacking EFA6C/Psd2, a guanine nucleotide exchange factor for Arf6, exhibit lower Purkinje cell synaptic density but normal cerebellar motor functions. Guanine Nucleotides 27-45 pleckstrin and Sec7 domain containing 2 Mus musculus 13-18 31095630-0 2019 Mice lacking EFA6C/Psd2, a guanine nucleotide exchange factor for Arf6, exhibit lower Purkinje cell synaptic density but normal cerebellar motor functions. Guanine Nucleotides 27-45 pleckstrin and Sec7 domain containing 2 Mus musculus 19-23 31095630-0 2019 Mice lacking EFA6C/Psd2, a guanine nucleotide exchange factor for Arf6, exhibit lower Purkinje cell synaptic density but normal cerebellar motor functions. Guanine Nucleotides 27-45 ADP-ribosylation factor 6 Mus musculus 66-70 31095630-2 2019 EFA6C, also known as Psd2, is a guanine nucleotide exchange factor for Arf6 that is preferentially expressed in the cerebellar cortex of adult mice, particularly in Purkinje cells. Guanine Nucleotides 32-50 pleckstrin and Sec7 domain containing 2 Mus musculus 0-5 31095630-2 2019 EFA6C, also known as Psd2, is a guanine nucleotide exchange factor for Arf6 that is preferentially expressed in the cerebellar cortex of adult mice, particularly in Purkinje cells. Guanine Nucleotides 32-50 pleckstrin and Sec7 domain containing 2 Mus musculus 21-25 31095630-2 2019 EFA6C, also known as Psd2, is a guanine nucleotide exchange factor for Arf6 that is preferentially expressed in the cerebellar cortex of adult mice, particularly in Purkinje cells. Guanine Nucleotides 32-50 ADP-ribosylation factor 6 Mus musculus 71-75 31010897-2 2019 Her work has shown that the guanine nucleotide exchange factor Dock8 plays a role in the migration of a specific dendritic cell subset, and that when Dock8 is missing, some dendritic cells can no longer prime CD4+ T cells. Guanine Nucleotides 28-46 dedicator of cytokinesis 8 Homo sapiens 63-68 31010897-2 2019 Her work has shown that the guanine nucleotide exchange factor Dock8 plays a role in the migration of a specific dendritic cell subset, and that when Dock8 is missing, some dendritic cells can no longer prime CD4+ T cells. Guanine Nucleotides 28-46 CD4 molecule Homo sapiens 209-212 30853411-1 2019 The Dedicator Of CytoKinesis (DOCK) family of atypical guanine nucleotide exchange factors activates the Rho family GTPases Rac and/or Cdc42 through DOCK homology region 2 (DHR-2). Guanine Nucleotides 55-73 cell division cycle 42 Homo sapiens 135-140 31068077-5 2019 Muk1, one of two guanine nucleotide exchange factors for the Rab5 GTPases, was found to be a physiologically relevant Ypk1 substrate; and, genetic analysis indicates that Ypk1-mediated phosphorylation activates the guanine nucleotide exchange activity of Muk1. Guanine Nucleotides 17-35 guanine nucleotide exchange factor MUK1 Saccharomyces cerevisiae S288C 0-4 30771381-1 2019 DENN (differentially expressed in normal cells and neoplasia) domain-containing proteins are a family of guanine nucleotide exchange factors (GEFs) for Rab small GTPases and coordinate a plethora of intracellular membrane trafficking events. Guanine Nucleotides 105-123 MAP kinase activating death domain Homo sapiens 0-4 30884041-1 2019 BACKGROUND: The DENND1A has been identified as a guanine nucleotide exchange factor for small GTPase Rab35, which functions in endocytic trafficking to mediate the recycling of selective cargos. Guanine Nucleotides 49-67 DENN/MADD domain containing 1A Mus musculus 16-23 31068077-5 2019 Muk1, one of two guanine nucleotide exchange factors for the Rab5 GTPases, was found to be a physiologically relevant Ypk1 substrate; and, genetic analysis indicates that Ypk1-mediated phosphorylation activates the guanine nucleotide exchange activity of Muk1. Guanine Nucleotides 17-35 serine/threonine protein kinase YPK1 Saccharomyces cerevisiae S288C 118-122 31068077-5 2019 Muk1, one of two guanine nucleotide exchange factors for the Rab5 GTPases, was found to be a physiologically relevant Ypk1 substrate; and, genetic analysis indicates that Ypk1-mediated phosphorylation activates the guanine nucleotide exchange activity of Muk1. Guanine Nucleotides 215-233 guanine nucleotide exchange factor MUK1 Saccharomyces cerevisiae S288C 0-4 31068077-5 2019 Muk1, one of two guanine nucleotide exchange factors for the Rab5 GTPases, was found to be a physiologically relevant Ypk1 substrate; and, genetic analysis indicates that Ypk1-mediated phosphorylation activates the guanine nucleotide exchange activity of Muk1. Guanine Nucleotides 215-233 serine/threonine protein kinase YPK1 Saccharomyces cerevisiae S288C 118-122 31068077-5 2019 Muk1, one of two guanine nucleotide exchange factors for the Rab5 GTPases, was found to be a physiologically relevant Ypk1 substrate; and, genetic analysis indicates that Ypk1-mediated phosphorylation activates the guanine nucleotide exchange activity of Muk1. Guanine Nucleotides 215-233 serine/threonine protein kinase YPK1 Saccharomyces cerevisiae S288C 171-175 30668924-7 2019 The Ras homolog gene family member G (RhoG) guanine nucleotide exchange factor Ephexin4 interacts with EphA2 in a Ser897 phosphorylation-dependent manner, and its knockdown delays M-phase progression and causes RhoG delocalization. Guanine Nucleotides 44-62 ras homolog family member G Homo sapiens 38-42 30858281-5 2019 Moreover, Cideb binds to the guanine nucleotide exchange factor Sec12 to enrich SCAP/SREBP at ER exit sites, where assembling of COPII complex initiates. Guanine Nucleotides 29-47 cell death inducing DFFA like effector b Homo sapiens 10-15 30858281-5 2019 Moreover, Cideb binds to the guanine nucleotide exchange factor Sec12 to enrich SCAP/SREBP at ER exit sites, where assembling of COPII complex initiates. Guanine Nucleotides 29-47 prolactin regulatory element binding Homo sapiens 64-69 30858281-5 2019 Moreover, Cideb binds to the guanine nucleotide exchange factor Sec12 to enrich SCAP/SREBP at ER exit sites, where assembling of COPII complex initiates. Guanine Nucleotides 29-47 SREBF chaperone Homo sapiens 80-84 30599141-10 2019 In summary, we describe here a signaling module where Rab27A-GTP interacts with Rabphilin3a, which in turn recruits a guanine nucleotide-exchange activity toward Rab3A. Guanine Nucleotides 118-136 RAB27A, member RAS oncogene family Homo sapiens 54-60 30599141-10 2019 In summary, we describe here a signaling module where Rab27A-GTP interacts with Rabphilin3a, which in turn recruits a guanine nucleotide-exchange activity toward Rab3A. Guanine Nucleotides 118-136 rabphilin 3A Homo sapiens 80-91 30599141-10 2019 In summary, we describe here a signaling module where Rab27A-GTP interacts with Rabphilin3a, which in turn recruits a guanine nucleotide-exchange activity toward Rab3A. Guanine Nucleotides 118-136 RAB3A, member RAS oncogene family Homo sapiens 162-167 30780079-0 2019 Cooperative energetic effects elicited by the yeast Shwachman-Diamond syndrome protein (Sdo1) and guanine nucleotides modulate the complex conformational landscape of the elongation factor-like 1 (Efl1) GTPase. Guanine Nucleotides 98-117 GTPase RIA1 Saccharomyces cerevisiae S288C 171-195 30780079-0 2019 Cooperative energetic effects elicited by the yeast Shwachman-Diamond syndrome protein (Sdo1) and guanine nucleotides modulate the complex conformational landscape of the elongation factor-like 1 (Efl1) GTPase. Guanine Nucleotides 98-117 GTPase RIA1 Saccharomyces cerevisiae S288C 197-201 30668141-5 2019 Interestingly, CHD4, an intact ATPase subunit of leukemic NuRD, coimmunoprecipitates and participates with H3K27Me3/2-demethylase KDM6A to induce expression of atypical guanine nucleotide exchange factors, dedicator of cytokinesis (DOCK) 5 and 8 (DOCK5/8), promoting Rac GTPase signaling. Guanine Nucleotides 169-187 chromodomain helicase DNA binding protein 4 Homo sapiens 15-19 30668141-5 2019 Interestingly, CHD4, an intact ATPase subunit of leukemic NuRD, coimmunoprecipitates and participates with H3K27Me3/2-demethylase KDM6A to induce expression of atypical guanine nucleotide exchange factors, dedicator of cytokinesis (DOCK) 5 and 8 (DOCK5/8), promoting Rac GTPase signaling. Guanine Nucleotides 169-187 lysine demethylase 6A Homo sapiens 130-135 30668924-7 2019 The Ras homolog gene family member G (RhoG) guanine nucleotide exchange factor Ephexin4 interacts with EphA2 in a Ser897 phosphorylation-dependent manner, and its knockdown delays M-phase progression and causes RhoG delocalization. Guanine Nucleotides 44-62 Rho guanine nucleotide exchange factor 16 Homo sapiens 79-87 30668924-7 2019 The Ras homolog gene family member G (RhoG) guanine nucleotide exchange factor Ephexin4 interacts with EphA2 in a Ser897 phosphorylation-dependent manner, and its knockdown delays M-phase progression and causes RhoG delocalization. Guanine Nucleotides 44-62 EPH receptor A2 Homo sapiens 103-108 30668924-7 2019 The Ras homolog gene family member G (RhoG) guanine nucleotide exchange factor Ephexin4 interacts with EphA2 in a Ser897 phosphorylation-dependent manner, and its knockdown delays M-phase progression and causes RhoG delocalization. Guanine Nucleotides 44-62 ras homolog family member G Homo sapiens 211-215 30787359-7 2019 Consistent with these findings, cell-based measurements of cdc42 activity revealed that PKA activation inhibits EC cdc42 activity, at least in part, by promoting its interaction with the inhibitory regulator, guanine nucleotide dissociation inhibitor-alpha (RhoGDIalpha). Guanine Nucleotides 209-227 Cdc42 Drosophila melanogaster 59-64 30590147-2 2019 Both eEF1Balpha and eEF1Bbeta ensure the guanine nucleotide exchange on eEF1A while eEF1Bgamma is thought to have a structural role. Guanine Nucleotides 41-59 eukaryotic translation elongation factor 1 alpha 1 Homo sapiens 72-77 30590147-2 2019 Both eEF1Balpha and eEF1Bbeta ensure the guanine nucleotide exchange on eEF1A while eEF1Bgamma is thought to have a structural role. Guanine Nucleotides 41-59 eukaryotic translation elongation factor 1 alpha 1 Homo sapiens 5-9 30066307-6 2019 It is well established that Rac1 activation is regulated by a variety of guanine nucleotide exchange factors (GEFs), so we tried to find out whether GEFs were involved in the anti-inflammatory effects of Compound 21. Guanine Nucleotides 73-91 Rac family small GTPase 1 Mus musculus 28-32 30822413-5 2019 This interaction was critically mediated by the redox-switch domain of RHsp33 and the guanine nucleotide-binding domain of EF-Tu. Guanine Nucleotides 86-104 Tu translation elongation factor, mitochondrial Homo sapiens 123-128 30269419-5 2019 The SNS also modulates the levels of postsynaptic membrane acetylcholine receptor by regulating the Galphai2 -Hdac4-Myogenin-MuRF1pathway, which is prevented by the overexpression of the guanine nucleotide-binding protein Galphai2 (Q205L), a constitutively active mutant G protein subunit. Guanine Nucleotides 187-205 guanine nucleotide binding protein (G protein), alpha inhibiting 2 Mus musculus 100-108 30269419-5 2019 The SNS also modulates the levels of postsynaptic membrane acetylcholine receptor by regulating the Galphai2 -Hdac4-Myogenin-MuRF1pathway, which is prevented by the overexpression of the guanine nucleotide-binding protein Galphai2 (Q205L), a constitutively active mutant G protein subunit. Guanine Nucleotides 187-205 histone deacetylase 4 Mus musculus 110-115 30269419-5 2019 The SNS also modulates the levels of postsynaptic membrane acetylcholine receptor by regulating the Galphai2 -Hdac4-Myogenin-MuRF1pathway, which is prevented by the overexpression of the guanine nucleotide-binding protein Galphai2 (Q205L), a constitutively active mutant G protein subunit. Guanine Nucleotides 187-205 myogenin Mus musculus 116-124 30269419-5 2019 The SNS also modulates the levels of postsynaptic membrane acetylcholine receptor by regulating the Galphai2 -Hdac4-Myogenin-MuRF1pathway, which is prevented by the overexpression of the guanine nucleotide-binding protein Galphai2 (Q205L), a constitutively active mutant G protein subunit. Guanine Nucleotides 187-205 tripartite motif-containing 63 Mus musculus 125-130 30269419-5 2019 The SNS also modulates the levels of postsynaptic membrane acetylcholine receptor by regulating the Galphai2 -Hdac4-Myogenin-MuRF1pathway, which is prevented by the overexpression of the guanine nucleotide-binding protein Galphai2 (Q205L), a constitutively active mutant G protein subunit. Guanine Nucleotides 187-205 guanine nucleotide binding protein (G protein), alpha inhibiting 2 Mus musculus 222-230 30379684-4 2019 The present study was designed to analyze the promoter hypermethylation of CpG (cytosine, followed by guanine nucleotide) islands of cyclin-dependent kinase inhibitor 2A (P16) and O-methylguanine-DNA methyltransferase (MGMT) genes and its subsequent effect on the protein expression in CRC. Guanine Nucleotides 102-120 cyclin dependent kinase inhibitor 2A Homo sapiens 133-169 30379684-4 2019 The present study was designed to analyze the promoter hypermethylation of CpG (cytosine, followed by guanine nucleotide) islands of cyclin-dependent kinase inhibitor 2A (P16) and O-methylguanine-DNA methyltransferase (MGMT) genes and its subsequent effect on the protein expression in CRC. Guanine Nucleotides 102-120 cyclin dependent kinase inhibitor 2A Homo sapiens 171-174 30379684-4 2019 The present study was designed to analyze the promoter hypermethylation of CpG (cytosine, followed by guanine nucleotide) islands of cyclin-dependent kinase inhibitor 2A (P16) and O-methylguanine-DNA methyltransferase (MGMT) genes and its subsequent effect on the protein expression in CRC. Guanine Nucleotides 102-120 O-6-methylguanine-DNA methyltransferase Homo sapiens 180-217 30379684-4 2019 The present study was designed to analyze the promoter hypermethylation of CpG (cytosine, followed by guanine nucleotide) islands of cyclin-dependent kinase inhibitor 2A (P16) and O-methylguanine-DNA methyltransferase (MGMT) genes and its subsequent effect on the protein expression in CRC. Guanine Nucleotides 102-120 O-6-methylguanine-DNA methyltransferase Homo sapiens 219-223 30254339-4 2019 Here we rationally identified a Cdc42 activity-specific inhibitor (CASIN) that can bind to Cdc42 with submicromolar affinity and competitively interfere with guanine nucleotide exchange activity. Guanine Nucleotides 158-176 cell division cycle 42 Mus musculus 32-37 30254339-4 2019 Here we rationally identified a Cdc42 activity-specific inhibitor (CASIN) that can bind to Cdc42 with submicromolar affinity and competitively interfere with guanine nucleotide exchange activity. Guanine Nucleotides 158-176 cell division cycle 42 Mus musculus 91-96 30872413-0 2019 Structural basis of guanine nucleotide exchange for Rab11 by SH3BP5. Guanine Nucleotides 20-38 RAB11A, member RAS oncogene family Homo sapiens 52-57 30872413-0 2019 Structural basis of guanine nucleotide exchange for Rab11 by SH3BP5. Guanine Nucleotides 20-38 SH3 domain binding protein 5 Homo sapiens 61-67 30872413-3 2019 SH3BP5 and SH3BP5-like (SH3BP5L) proteins have recently been found to serve as guanine nucleotide exchange factors (GEF) for Rab11. Guanine Nucleotides 79-97 SH3 domain binding protein 5 Homo sapiens 0-6 30872413-3 2019 SH3BP5 and SH3BP5-like (SH3BP5L) proteins have recently been found to serve as guanine nucleotide exchange factors (GEF) for Rab11. Guanine Nucleotides 79-97 SH3 binding domain protein 5 like Homo sapiens 11-22 30872413-3 2019 SH3BP5 and SH3BP5-like (SH3BP5L) proteins have recently been found to serve as guanine nucleotide exchange factors (GEF) for Rab11. Guanine Nucleotides 79-97 SH3 binding domain protein 5 like Homo sapiens 24-31 30872413-3 2019 SH3BP5 and SH3BP5-like (SH3BP5L) proteins have recently been found to serve as guanine nucleotide exchange factors (GEF) for Rab11. Guanine Nucleotides 79-97 RAB11A, member RAS oncogene family Homo sapiens 125-130 30787359-7 2019 Consistent with these findings, cell-based measurements of cdc42 activity revealed that PKA activation inhibits EC cdc42 activity, at least in part, by promoting its interaction with the inhibitory regulator, guanine nucleotide dissociation inhibitor-alpha (RhoGDIalpha). Guanine Nucleotides 209-227 Protein kinase, cAMP-dependent, catalytic subunit 2 Drosophila melanogaster 88-91 30787359-7 2019 Consistent with these findings, cell-based measurements of cdc42 activity revealed that PKA activation inhibits EC cdc42 activity, at least in part, by promoting its interaction with the inhibitory regulator, guanine nucleotide dissociation inhibitor-alpha (RhoGDIalpha). Guanine Nucleotides 209-227 Cdc42 Drosophila melanogaster 115-120 30540523-4 2019 We have identified the long isoform of intersectin-1 (ITSN-1), a guanine nucleotide exchange factor for Cdc42, as a novel Golgi component and an interaction partner of GCC88 responsible for mediating the actin-dependent dispersal of the Golgi ribbon. Guanine Nucleotides 65-83 intersectin 1 Homo sapiens 39-52 30659137-6 2019 RESULTS: We identified a locus at genome-wide significance in an intron of PLEKHG1 (rs275350, beta [SE] = 0.071 [0.013]; p = 1.6 x 10-8), a Rho guanine nucleotide exchange factor that is involved in reorientation of cells in the vascular endothelium. Guanine Nucleotides 144-162 pleckstrin homology and RhoGEF domain containing G1 Homo sapiens 75-82 30735546-3 2019 Several lines of evidence suggest that Rac1 is modulated downstream of Akt2, and indeed the guanine nucleotide exchange factor FLJ00068 has been identified as an activator of Rac1. Guanine Nucleotides 92-110 pleckstrin homology domain containing, family G (with RhoGef domain) member 4 Mus musculus 127-135 30735546-3 2019 Several lines of evidence suggest that Rac1 is modulated downstream of Akt2, and indeed the guanine nucleotide exchange factor FLJ00068 has been identified as an activator of Rac1. Guanine Nucleotides 92-110 Rac family small GTPase 1 Mus musculus 175-179 29293918-6 2019 This complements earlier findings that Sestd1 can also partner with other Rho family GAPs and guanine nucleotide exchange factors. Guanine Nucleotides 94-112 SEC14 and spectrin domains 1 Mus musculus 39-45 30540523-4 2019 We have identified the long isoform of intersectin-1 (ITSN-1), a guanine nucleotide exchange factor for Cdc42, as a novel Golgi component and an interaction partner of GCC88 responsible for mediating the actin-dependent dispersal of the Golgi ribbon. Guanine Nucleotides 65-83 intersectin 1 Homo sapiens 54-60 30691081-2 2019 In addition, this enzyme displays multiple additional enzymatic activities, such as guanine nucleotide binding and hydrolysis, protein kinase, disulfide isomerase activities, and is involved in cell adhesion. Guanine Nucleotides 84-102 thioredoxin domain containing 15 Homo sapiens 143-162 30694177-3 2019 DMA-1/LRR-TM interacts through a PDZ ligand motif with the guanine nucleotide exchange factor TIAM-1/GEF in a complex with act-4/Actin to pattern higher order 4 dendrite branches by localizing F-actin to the distal ends of developing dendrites. Guanine Nucleotides 59-77 LRRCT domain-containing protein Caenorhabditis elegans 0-5 30694177-3 2019 DMA-1/LRR-TM interacts through a PDZ ligand motif with the guanine nucleotide exchange factor TIAM-1/GEF in a complex with act-4/Actin to pattern higher order 4 dendrite branches by localizing F-actin to the distal ends of developing dendrites. Guanine Nucleotides 59-77 DH domain-containing protein Caenorhabditis elegans 94-100 30694177-3 2019 DMA-1/LRR-TM interacts through a PDZ ligand motif with the guanine nucleotide exchange factor TIAM-1/GEF in a complex with act-4/Actin to pattern higher order 4 dendrite branches by localizing F-actin to the distal ends of developing dendrites. Guanine Nucleotides 59-77 Actin-4 Caenorhabditis elegans 123-128 30694177-3 2019 DMA-1/LRR-TM interacts through a PDZ ligand motif with the guanine nucleotide exchange factor TIAM-1/GEF in a complex with act-4/Actin to pattern higher order 4 dendrite branches by localizing F-actin to the distal ends of developing dendrites. Guanine Nucleotides 59-77 ACTin Caenorhabditis elegans 129-134 30694177-3 2019 DMA-1/LRR-TM interacts through a PDZ ligand motif with the guanine nucleotide exchange factor TIAM-1/GEF in a complex with act-4/Actin to pattern higher order 4 dendrite branches by localizing F-actin to the distal ends of developing dendrites. Guanine Nucleotides 59-77 ACTin Caenorhabditis elegans 196-201 30682817-1 2019 Dbl (B-cell lymphoma)-related guanine nucleotide exchange factors (GEFs), the largest family of GEFs, are directly responsible for the activation of Rho family GTPases and essential for a number of cellular events such as proliferation, differentiation and movement. Guanine Nucleotides 30-48 MCF.2 cell line derived transforming sequence Homo sapiens 0-3 30605611-5 2019 We demonstrate that the switching between GTP and GDP binding states, which is governed by guanine nucleotide exchange factors (GEFs), GTPase-activating proteins (GAPs), GDI, and GDI displacement factor (GDF), is a major determinant of Rab1"s ability to effectively cycle between cellular compartments and eventually its subcellular distribution. Guanine Nucleotides 91-109 RAB1A, member RAS oncogene family Homo sapiens 236-240 30919354-2 2019 The activation of a variety of GPCRs leads to the translocation of Ral GDP dissociation stimulator (RalGDS) to the plasma membrane, where it functions as a guanine nucleotide exchange factor of RalA to promote membrane blebbing. Guanine Nucleotides 156-174 ral guanine nucleotide dissociation stimulator Homo sapiens 67-98 30359168-1 2019 Ras-specific guanine nucleotide-releasing factor 2 (RasGRF2) is a member of the guanine nucleotide exchange factors family which is expressed in a variety of tissues and cancer. Guanine Nucleotides 13-31 Ras protein specific guanine nucleotide releasing factor 2 Homo sapiens 52-59 30919354-2 2019 The activation of a variety of GPCRs leads to the translocation of Ral GDP dissociation stimulator (RalGDS) to the plasma membrane, where it functions as a guanine nucleotide exchange factor of RalA to promote membrane blebbing. Guanine Nucleotides 156-174 ral guanine nucleotide dissociation stimulator Homo sapiens 100-106 30919354-2 2019 The activation of a variety of GPCRs leads to the translocation of Ral GDP dissociation stimulator (RalGDS) to the plasma membrane, where it functions as a guanine nucleotide exchange factor of RalA to promote membrane blebbing. Guanine Nucleotides 156-174 RAS like proto-oncogene A Homo sapiens 194-198 30969421-1 2019 Intracellular signal transduced by G protein-coupled receptors (GPCRs) is tightly controlled by a guanine nucleotide-binding complex made of G protein Galpha, Gbeta, and Ggamma subunits, as well as a growing array of regulatory and accessory proteins such as arrestins. Guanine Nucleotides 98-116 succinate-CoA ligase GDP-forming subunit beta Homo sapiens 159-164 30575751-2 2018 Daple [CCDC88C], a cytosolic guanine nucleotide exchange modulator (GEM) which enhances non-canonical Wnt5A/FZD signaling via activation of trimeric G protein, Galphai, has been shown to serve opposing roles-as an inducer of EMT and invasiveness and a potent tumor suppressor-via two isoforms, V1 (full-length) and V2 (short spliced isoform), respectively. Guanine Nucleotides 29-47 coiled-coil domain containing 88C Homo sapiens 0-5 30575751-2 2018 Daple [CCDC88C], a cytosolic guanine nucleotide exchange modulator (GEM) which enhances non-canonical Wnt5A/FZD signaling via activation of trimeric G protein, Galphai, has been shown to serve opposing roles-as an inducer of EMT and invasiveness and a potent tumor suppressor-via two isoforms, V1 (full-length) and V2 (short spliced isoform), respectively. Guanine Nucleotides 29-47 coiled-coil domain containing 88C Homo sapiens 7-14 30575751-2 2018 Daple [CCDC88C], a cytosolic guanine nucleotide exchange modulator (GEM) which enhances non-canonical Wnt5A/FZD signaling via activation of trimeric G protein, Galphai, has been shown to serve opposing roles-as an inducer of EMT and invasiveness and a potent tumor suppressor-via two isoforms, V1 (full-length) and V2 (short spliced isoform), respectively. Guanine Nucleotides 29-47 Wnt family member 5A Homo sapiens 102-107 30575751-2 2018 Daple [CCDC88C], a cytosolic guanine nucleotide exchange modulator (GEM) which enhances non-canonical Wnt5A/FZD signaling via activation of trimeric G protein, Galphai, has been shown to serve opposing roles-as an inducer of EMT and invasiveness and a potent tumor suppressor-via two isoforms, V1 (full-length) and V2 (short spliced isoform), respectively. Guanine Nucleotides 29-47 IL2 inducible T cell kinase Homo sapiens 225-228 30446664-5 2018 Cdc42 simply follows the distribution of Guanine nucleotide Exchange Factors, whereas Rac1 shaping requires the activity of a GTPase-Activating Protein, beta2-chimaerin, which is sharply localized at the tip of the cell through feedbacks from Cdc42 and Rac1. Guanine Nucleotides 41-59 cell division cycle 42 Homo sapiens 0-5 29846007-5 2018 We explore a hypothesis implicating cAMP signaling involving guanine nucleotide-exchange activation of the small GTPase Ras-proximate-1 (Rap1) by exchange proteins directly activated by cAMP (Epac). Guanine Nucleotides 61-79 RAS-related protein 1a Mus musculus 120-135 29846007-5 2018 We explore a hypothesis implicating cAMP signaling involving guanine nucleotide-exchange activation of the small GTPase Ras-proximate-1 (Rap1) by exchange proteins directly activated by cAMP (Epac). Guanine Nucleotides 61-79 RAS-related protein 1a Mus musculus 137-141 29846007-5 2018 We explore a hypothesis implicating cAMP signaling involving guanine nucleotide-exchange activation of the small GTPase Ras-proximate-1 (Rap1) by exchange proteins directly activated by cAMP (Epac). Guanine Nucleotides 61-79 Rap guanine nucleotide exchange factor (GEF) 3 Mus musculus 192-196 30406994-2 2018 As guanine nucleotide dissociation inhibitors (GDIs), they bind Galpha GDP and inhibit GDP to GTP exchange. Guanine Nucleotides 3-21 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 64-70 30485813-4 2018 This PKCepsilon-mediated spine suppression is temporally restricted to immature neurons and mediated through the phosphorylation and activation of Ephexin5, a RhoA guanine nucleotide exchange factor (GEF) and inhibitor of hippocampal synapse formation. Guanine Nucleotides 164-182 protein kinase C epsilon Homo sapiens 5-15 30485813-4 2018 This PKCepsilon-mediated spine suppression is temporally restricted to immature neurons and mediated through the phosphorylation and activation of Ephexin5, a RhoA guanine nucleotide exchange factor (GEF) and inhibitor of hippocampal synapse formation. Guanine Nucleotides 164-182 Rho guanine nucleotide exchange factor 15 Homo sapiens 147-155 30485813-4 2018 This PKCepsilon-mediated spine suppression is temporally restricted to immature neurons and mediated through the phosphorylation and activation of Ephexin5, a RhoA guanine nucleotide exchange factor (GEF) and inhibitor of hippocampal synapse formation. Guanine Nucleotides 164-182 Rho/Rac guanine nucleotide exchange factor 2 Homo sapiens 200-203 30425165-3 2018 Here, we report that the actin-binding protein filamin A acted as a guanine nucleotide exchange factor for Drp1 and mediated mitochondrial fission-associated myocardial senescence in mice after MI. Guanine Nucleotides 68-86 filamin, alpha Mus musculus 47-56 30425165-3 2018 Here, we report that the actin-binding protein filamin A acted as a guanine nucleotide exchange factor for Drp1 and mediated mitochondrial fission-associated myocardial senescence in mice after MI. Guanine Nucleotides 68-86 dynamin 1-like Mus musculus 107-111 30353093-3 2018 Neuronal polarization and axon formation depend on the precise temporal and spatial regulation of Rap1 activity by guanine nucleotide exchange factors (GEFs) and GTPases-activating proteins (GAPs). Guanine Nucleotides 115-133 RAP1A, member of RAS oncogene family Homo sapiens 98-102 30385725-4 2018 Here, we explore the therapeutic potential of targeting the RhoA pathway activated by IL17A by inhibiting RhoA guanine nucleotide exchange factors (RhoGEFs), intracellular activators of RhoA. Guanine Nucleotides 111-129 ras homolog family member A Mus musculus 106-110 30385725-4 2018 Here, we explore the therapeutic potential of targeting the RhoA pathway activated by IL17A by inhibiting RhoA guanine nucleotide exchange factors (RhoGEFs), intracellular activators of RhoA. Guanine Nucleotides 111-129 ras homolog family member A Mus musculus 106-110 30091236-3 2018 Additionally, LRRK2 Roc domain in isolation binds guanine nucleotides with relatively low affinities. Guanine Nucleotides 50-69 leucine rich repeat kinase 2 Homo sapiens 14-19 30385725-4 2018 Here, we explore the therapeutic potential of targeting the RhoA pathway activated by IL17A by inhibiting RhoA guanine nucleotide exchange factors (RhoGEFs), intracellular activators of RhoA. Guanine Nucleotides 111-129 ras homolog family member A Mus musculus 60-64 30385725-4 2018 Here, we explore the therapeutic potential of targeting the RhoA pathway activated by IL17A by inhibiting RhoA guanine nucleotide exchange factors (RhoGEFs), intracellular activators of RhoA. Guanine Nucleotides 111-129 interleukin 17A Mus musculus 86-91 30320548-4 2018 We show that active Ras signals to RalB via two RalGEFs (Guanine nucleotide Exchange Factors), RGL1 and RGL2, to foster invasiveness; RalB contribution appears to be more important than that of MAPK and PI3K pathways. Guanine Nucleotides 57-75 RAS like proto-oncogene B Homo sapiens 35-39 30204251-1 2018 BACKGROUND: Advances in deep sequencing technology have uncovered a widespread, protumorigenic role of guanine nucleotide-binding (G protein) alpha (GNA) subunits, particularly GNA subunits Gs (GNAS), Gq (GNAQ), and G11 (GNA11) (GNA*), in a diverse collection of malignancies. Guanine Nucleotides 103-121 G protein subunit alpha q Homo sapiens 201-203 30204251-1 2018 BACKGROUND: Advances in deep sequencing technology have uncovered a widespread, protumorigenic role of guanine nucleotide-binding (G protein) alpha (GNA) subunits, particularly GNA subunits Gs (GNAS), Gq (GNAQ), and G11 (GNA11) (GNA*), in a diverse collection of malignancies. Guanine Nucleotides 103-121 G protein subunit alpha q Homo sapiens 205-209 30204251-1 2018 BACKGROUND: Advances in deep sequencing technology have uncovered a widespread, protumorigenic role of guanine nucleotide-binding (G protein) alpha (GNA) subunits, particularly GNA subunits Gs (GNAS), Gq (GNAQ), and G11 (GNA11) (GNA*), in a diverse collection of malignancies. Guanine Nucleotides 103-121 G protein subunit alpha 11 Homo sapiens 216-219 30204251-1 2018 BACKGROUND: Advances in deep sequencing technology have uncovered a widespread, protumorigenic role of guanine nucleotide-binding (G protein) alpha (GNA) subunits, particularly GNA subunits Gs (GNAS), Gq (GNAQ), and G11 (GNA11) (GNA*), in a diverse collection of malignancies. Guanine Nucleotides 103-121 G protein subunit alpha 11 Homo sapiens 221-226 30333726-1 2018 ARHGEF6 belongs to the family of guanine nucleotide exchange factors (GEFs) for Rho GTPases, and it specifically activates Rho GTPases CDC42 and RAC1. Guanine Nucleotides 33-51 Rac/Cdc42 guanine nucleotide exchange factor (GEF) 6 Mus musculus 0-7 30108175-6 2018 We further found that HGF also promotes the recruitment of ELMO2 and DOCK180, a bipartite guanine nucleotide exchange factor for RAC1, to the MET-AXL complex and thereby stimulates the RAC1-dependent cytoskeleton reorganization. Guanine Nucleotides 90-108 hepatocyte growth factor Homo sapiens 22-25 30108175-6 2018 We further found that HGF also promotes the recruitment of ELMO2 and DOCK180, a bipartite guanine nucleotide exchange factor for RAC1, to the MET-AXL complex and thereby stimulates the RAC1-dependent cytoskeleton reorganization. Guanine Nucleotides 90-108 engulfment and cell motility 2 Homo sapiens 59-64 30108175-6 2018 We further found that HGF also promotes the recruitment of ELMO2 and DOCK180, a bipartite guanine nucleotide exchange factor for RAC1, to the MET-AXL complex and thereby stimulates the RAC1-dependent cytoskeleton reorganization. Guanine Nucleotides 90-108 dedicator of cytokinesis 1 Homo sapiens 69-76 30108175-6 2018 We further found that HGF also promotes the recruitment of ELMO2 and DOCK180, a bipartite guanine nucleotide exchange factor for RAC1, to the MET-AXL complex and thereby stimulates the RAC1-dependent cytoskeleton reorganization. Guanine Nucleotides 90-108 Rac family small GTPase 1 Homo sapiens 129-133 30108175-6 2018 We further found that HGF also promotes the recruitment of ELMO2 and DOCK180, a bipartite guanine nucleotide exchange factor for RAC1, to the MET-AXL complex and thereby stimulates the RAC1-dependent cytoskeleton reorganization. Guanine Nucleotides 90-108 AXL receptor tyrosine kinase Homo sapiens 146-149 30108175-6 2018 We further found that HGF also promotes the recruitment of ELMO2 and DOCK180, a bipartite guanine nucleotide exchange factor for RAC1, to the MET-AXL complex and thereby stimulates the RAC1-dependent cytoskeleton reorganization. Guanine Nucleotides 90-108 Rac family small GTPase 1 Homo sapiens 185-189 30177526-1 2018 Trio, a member of the Dbl family of guanine nucleotide exchange factors, activates Rac1 downstream of netrin 1/DCC signalling in axon outgrowth and guidance. Guanine Nucleotides 36-54 triple functional domain (PTPRF interacting) Mus musculus 0-4 30177526-1 2018 Trio, a member of the Dbl family of guanine nucleotide exchange factors, activates Rac1 downstream of netrin 1/DCC signalling in axon outgrowth and guidance. Guanine Nucleotides 36-54 Rac family small GTPase 1 Mus musculus 83-87 30177526-1 2018 Trio, a member of the Dbl family of guanine nucleotide exchange factors, activates Rac1 downstream of netrin 1/DCC signalling in axon outgrowth and guidance. Guanine Nucleotides 36-54 netrin 1 Mus musculus 102-110 30177526-1 2018 Trio, a member of the Dbl family of guanine nucleotide exchange factors, activates Rac1 downstream of netrin 1/DCC signalling in axon outgrowth and guidance. Guanine Nucleotides 36-54 deleted in colorectal carcinoma Mus musculus 111-114 30333726-1 2018 ARHGEF6 belongs to the family of guanine nucleotide exchange factors (GEFs) for Rho GTPases, and it specifically activates Rho GTPases CDC42 and RAC1. Guanine Nucleotides 33-51 cell division cycle 42 Mus musculus 135-140 30333726-1 2018 ARHGEF6 belongs to the family of guanine nucleotide exchange factors (GEFs) for Rho GTPases, and it specifically activates Rho GTPases CDC42 and RAC1. Guanine Nucleotides 33-51 Rac family small GTPase 1 Mus musculus 145-149 29967243-1 2018 Rac1 is a small guanine nucleotide binding protein that cycles between an inactive GDP-bound and active GTP-bound state to regulate cell motility and migration. Guanine Nucleotides 16-34 Rac family small GTPase 1 Homo sapiens 0-4 30151872-1 2018 Cytohesin-2 is a member of the guanine nucleotide exchange factors for ADP ribosylation factor 1 (Arf1) and Arf6, which are small GTPases that regulate membrane traffic and actin dynamics. Guanine Nucleotides 31-49 cytohesin 2 Homo sapiens 0-11 30151872-1 2018 Cytohesin-2 is a member of the guanine nucleotide exchange factors for ADP ribosylation factor 1 (Arf1) and Arf6, which are small GTPases that regulate membrane traffic and actin dynamics. Guanine Nucleotides 31-49 ADP ribosylation factor 1 Homo sapiens 71-96 30151872-1 2018 Cytohesin-2 is a member of the guanine nucleotide exchange factors for ADP ribosylation factor 1 (Arf1) and Arf6, which are small GTPases that regulate membrane traffic and actin dynamics. Guanine Nucleotides 31-49 ADP ribosylation factor 1 Homo sapiens 98-102 30151872-1 2018 Cytohesin-2 is a member of the guanine nucleotide exchange factors for ADP ribosylation factor 1 (Arf1) and Arf6, which are small GTPases that regulate membrane traffic and actin dynamics. Guanine Nucleotides 31-49 ADP ribosylation factor 6 Homo sapiens 108-112 30217979-2 2018 However, investigating Rab11 regulation has been hindered by limited molecular detail describing activation by cognate guanine nucleotide exchange factors (GEFs). Guanine Nucleotides 119-137 RAB11A, member RAS oncogene family Homo sapiens 23-28 30078678-3 2018 Like other small GTPases, the activities of Sar1a depend on their guanine-nucleotide-binding states, which are regulated by guanine-nucleotide exchange factors (GEFs) and GTPase-activating proteins (GAPs). Guanine Nucleotides 66-84 secretion associated Ras related GTPase 1A Homo sapiens 44-49 30078678-3 2018 Like other small GTPases, the activities of Sar1a depend on their guanine-nucleotide-binding states, which are regulated by guanine-nucleotide exchange factors (GEFs) and GTPase-activating proteins (GAPs). Guanine Nucleotides 124-142 secretion associated Ras related GTPase 1A Homo sapiens 44-49 30154209-2 2018 This complex process depends on transcriptional changes mediated by Ca2+-dependent NFAT signaling, mTOR-mediated signaling and increased activity of the guanine nucleotide biosynthetic inosine-5"-monophosphate (IMP) dehydrogenase 1 and 2 enzymes (IMPDH1 and IMPDH2, hereafter IMPDH). Guanine Nucleotides 153-171 inosine monophosphate dehydrogenase 1 Homo sapiens 247-253 30154209-2 2018 This complex process depends on transcriptional changes mediated by Ca2+-dependent NFAT signaling, mTOR-mediated signaling and increased activity of the guanine nucleotide biosynthetic inosine-5"-monophosphate (IMP) dehydrogenase 1 and 2 enzymes (IMPDH1 and IMPDH2, hereafter IMPDH). Guanine Nucleotides 153-171 inosine monophosphate dehydrogenase 2 Homo sapiens 258-264 29377108-2 2018 RhoA activity is regulated by guanine nucleotide exchange factors (GEFs), GTPase activating proteins (GAPs), and the guanine nucleotide dissociation factor (GDI). Guanine Nucleotides 30-48 ras homolog family member A Homo sapiens 0-4 29377108-2 2018 RhoA activity is regulated by guanine nucleotide exchange factors (GEFs), GTPase activating proteins (GAPs), and the guanine nucleotide dissociation factor (GDI). Guanine Nucleotides 117-135 ras homolog family member A Homo sapiens 0-4 29844364-3 2018 Here, we demonstrate that STEF/TIAM2, a Rac1 selective guanine nucleotide exchange factor, localises at the nuclear envelope, co-localising with the key perinuclear proteins Nesprin-2G and Non-muscle myosin IIB (NMMIIB), where it regulates perinuclear Rac1 activity. Guanine Nucleotides 55-73 TIAM Rac1 associated GEF 2 Homo sapiens 26-30 30089513-4 2018 METHODS: Through a forward genetic screen in zebrafish, we identified a mutation in the atypical guanine nucleotide exchange factor, dock1, that results in decreased myelination of peripheral axons. Guanine Nucleotides 97-115 dedicator of cytokinesis 1 Danio rerio 133-138 30138370-4 2018 We further identified TBC-10 as a putative GTPase-activating protein (GAP), and FLCN-1 and RME-4 as two putative Guanine Nucleotide Exchange Factors (GEFs), for RAB-35. Guanine Nucleotides 113-131 RAB family Caenorhabditis elegans 161-167 30075745-7 2018 Finally, by utilizing complementary immunohistochemical and biochemical approaches including analysis of human iPSC derived motor neurons, we identified C9orf72, in addition to its association to lysosomes, to be localized to the presynapses and able to interact with all members of the RAB3 protein family, suggestive of a role for C9orf72 in regulating synaptic vesicle functions by potentially acting as guanine nucleotide exchange factor for RAB3 proteins.In conclusion, our findings provide further evidence for haploinsufficiency as potential mechanism in C9orf72 pathogenesis by demonstrating reduced protein levels in C9orf72 mutation carriers and important novel insights into the physiological role of C9orf72 in the CNS. Guanine Nucleotides 407-425 C9orf72-SMCR8 complex subunit Homo sapiens 153-160 29772239-9 2018 Interestingly, the interaction between R-Ras and Vangl2 was stronger in guanine-nucleotide free point mutants of R-Ras than in wild-type or constitutively active (GTP-bound) forms of R-Ras. Guanine Nucleotides 72-90 VANGL planar cell polarity protein 2 Danio rerio 49-55 29858187-3 2018 Rac and Cdc42 are hyperactivated via signaling through oncogenic cell surface receptors, such as growth factor receptors, which converge on the guanine nucleotide exchange factors that regulate their GDP/GTP exchange. Guanine Nucleotides 144-162 AKT serine/threonine kinase 1 Homo sapiens 0-3 29858187-3 2018 Rac and Cdc42 are hyperactivated via signaling through oncogenic cell surface receptors, such as growth factor receptors, which converge on the guanine nucleotide exchange factors that regulate their GDP/GTP exchange. Guanine Nucleotides 144-162 cell division cycle 42 Homo sapiens 8-13 29789375-7 2018 Arf6 activation required PI3 kinase activity and was prevented by an inhibitor of the cytohesin family of Arf6 guanine nucleotide exchange factors. Guanine Nucleotides 111-129 ADP-ribosylation factor 6 Rattus norvegicus 0-4 29789375-7 2018 Arf6 activation required PI3 kinase activity and was prevented by an inhibitor of the cytohesin family of Arf6 guanine nucleotide exchange factors. Guanine Nucleotides 111-129 ADP-ribosylation factor 6 Rattus norvegicus 106-110 29844364-3 2018 Here, we demonstrate that STEF/TIAM2, a Rac1 selective guanine nucleotide exchange factor, localises at the nuclear envelope, co-localising with the key perinuclear proteins Nesprin-2G and Non-muscle myosin IIB (NMMIIB), where it regulates perinuclear Rac1 activity. Guanine Nucleotides 55-73 TIAM Rac1 associated GEF 2 Homo sapiens 31-36 29844055-0 2018 Dual phosphorylation of Ric-8A enhances its ability to mediate G protein alpha subunit folding and to stimulate guanine nucleotide exchange. Guanine Nucleotides 112-130 RIC8 guanine nucleotide exchange factor A Homo sapiens 24-30 29844364-3 2018 Here, we demonstrate that STEF/TIAM2, a Rac1 selective guanine nucleotide exchange factor, localises at the nuclear envelope, co-localising with the key perinuclear proteins Nesprin-2G and Non-muscle myosin IIB (NMMIIB), where it regulates perinuclear Rac1 activity. Guanine Nucleotides 55-73 Rac family small GTPase 1 Homo sapiens 40-44 29314494-5 2018 RIN3 that functions as a guanine nucleotide exchange factor for Rab5 may serve as an important activator for Rab5 in AD pathogenesis. Guanine Nucleotides 25-43 Ras and Rab interactor 3 Homo sapiens 0-4 29844055-4 2018 Phosphorylation of Ser435 and Thr440 in rat Ric-8A (corresponding to Ser436 and Thr441 in human Ric-8A) was required for high-affinity binding to Galpha subunits, efficient stimulation of Galpha subunit guanine nucleotide exchange, and mediation of Galpha subunit folding. Guanine Nucleotides 203-221 RIC8 guanine nucleotide exchange factor A Rattus norvegicus 44-50 29844055-4 2018 Phosphorylation of Ser435 and Thr440 in rat Ric-8A (corresponding to Ser436 and Thr441 in human Ric-8A) was required for high-affinity binding to Galpha subunits, efficient stimulation of Galpha subunit guanine nucleotide exchange, and mediation of Galpha subunit folding. Guanine Nucleotides 203-221 RIC8 guanine nucleotide exchange factor A Homo sapiens 96-102 29747665-0 2018 Comprehensive behavioral analysis of mice deficient in Rapgef2 and Rapgef6, a subfamily of guanine nucleotide exchange factors for Rap small GTPases possessing the Ras/Rap-associating domain. Guanine Nucleotides 91-109 Rap guanine nucleotide exchange factor (GEF) 2 Mus musculus 55-62 29747665-0 2018 Comprehensive behavioral analysis of mice deficient in Rapgef2 and Rapgef6, a subfamily of guanine nucleotide exchange factors for Rap small GTPases possessing the Ras/Rap-associating domain. Guanine Nucleotides 91-109 Rap guanine nucleotide exchange factor (GEF) 6 Mus musculus 67-74 29747665-0 2018 Comprehensive behavioral analysis of mice deficient in Rapgef2 and Rapgef6, a subfamily of guanine nucleotide exchange factors for Rap small GTPases possessing the Ras/Rap-associating domain. Guanine Nucleotides 91-109 low density lipoprotein receptor-related protein associated protein 1 Mus musculus 55-58 29747665-0 2018 Comprehensive behavioral analysis of mice deficient in Rapgef2 and Rapgef6, a subfamily of guanine nucleotide exchange factors for Rap small GTPases possessing the Ras/Rap-associating domain. Guanine Nucleotides 91-109 low density lipoprotein receptor-related protein associated protein 1 Mus musculus 67-70 29747665-1 2018 Rapgef2 and Rapgef6 define a subfamily of guanine nucleotide exchange factors for Rap small GTPases, characterized by the possession of the Ras/Rap-associating domain. Guanine Nucleotides 42-60 Rap guanine nucleotide exchange factor (GEF) 2 Mus musculus 0-7 29747665-1 2018 Rapgef2 and Rapgef6 define a subfamily of guanine nucleotide exchange factors for Rap small GTPases, characterized by the possession of the Ras/Rap-associating domain. Guanine Nucleotides 42-60 Rap guanine nucleotide exchange factor (GEF) 6 Mus musculus 12-19 29747665-1 2018 Rapgef2 and Rapgef6 define a subfamily of guanine nucleotide exchange factors for Rap small GTPases, characterized by the possession of the Ras/Rap-associating domain. Guanine Nucleotides 42-60 low density lipoprotein receptor-related protein associated protein 1 Mus musculus 0-3 29747665-1 2018 Rapgef2 and Rapgef6 define a subfamily of guanine nucleotide exchange factors for Rap small GTPases, characterized by the possession of the Ras/Rap-associating domain. Guanine Nucleotides 42-60 low density lipoprotein receptor-related protein associated protein 1 Mus musculus 12-15 29382922-1 2018 Rho guanine nucleotide exchange factor 39 (ARHGEF39), also called C9orf100, is a new member of the Dbl-family of guanine nucleotide exchange factors. Guanine Nucleotides 4-22 Rho guanine nucleotide exchange factor 39 Homo sapiens 43-51 29382922-1 2018 Rho guanine nucleotide exchange factor 39 (ARHGEF39), also called C9orf100, is a new member of the Dbl-family of guanine nucleotide exchange factors. Guanine Nucleotides 4-22 Rho guanine nucleotide exchange factor 39 Homo sapiens 66-74 29740613-5 2018 We demonstrate that the Arf1 guanine nucleotide exchange factor, brefeldin A-inhibited guanine nucleotide-exchange protein 1 (BIG1)/Arfgef1, and the effector Arf1 regulate the initiation of myelination of axons by Schwann cells. Guanine Nucleotides 29-47 ADP-ribosylation factor guanine nucleotide-exchange factor 1(brefeldin A-inhibited) Mus musculus 126-130 29740613-5 2018 We demonstrate that the Arf1 guanine nucleotide exchange factor, brefeldin A-inhibited guanine nucleotide-exchange protein 1 (BIG1)/Arfgef1, and the effector Arf1 regulate the initiation of myelination of axons by Schwann cells. Guanine Nucleotides 29-47 ADP-ribosylation factor guanine nucleotide-exchange factor 1(brefeldin A-inhibited) Mus musculus 132-139 29740613-5 2018 We demonstrate that the Arf1 guanine nucleotide exchange factor, brefeldin A-inhibited guanine nucleotide-exchange protein 1 (BIG1)/Arfgef1, and the effector Arf1 regulate the initiation of myelination of axons by Schwann cells. Guanine Nucleotides 29-47 ADP-ribosylation factor 1 Mus musculus 158-162 29337043-0 2018 Membrane-permeable Rab27A is a regulator of the acrosome reaction: Role of geranylgeranylation and guanine nucleotides. Guanine Nucleotides 99-118 RAB27A, member RAS oncogene family Homo sapiens 19-25 29337043-4 2018 With this tool, we aimed to unravel the connection between Rab3, Rab27 and Rap1 in sperm exocytosis and to deepen our understanding about how isoprenylation and guanine nucleotides influence the behaviour of Rab27 in exocytosis. Guanine Nucleotides 161-180 RAB27A, member RAS oncogene family Homo sapiens 208-213 29773874-7 2018 Furthermore, we discover ITSN1 and ITSN2 as podocytic guanine nucleotide exchange factors for Cdc42. Guanine Nucleotides 54-72 intersectin 1 Homo sapiens 25-30 29773874-7 2018 Furthermore, we discover ITSN1 and ITSN2 as podocytic guanine nucleotide exchange factors for Cdc42. Guanine Nucleotides 54-72 intersectin 2 Homo sapiens 35-40 29773874-7 2018 Furthermore, we discover ITSN1 and ITSN2 as podocytic guanine nucleotide exchange factors for Cdc42. Guanine Nucleotides 54-72 cell division cycle 42 Homo sapiens 94-99 29491039-1 2018 Ser54 of Gsalpha binds guanine nucleotide and Mg2+ as part of a conserved sequence motif in GTP binding proteins. Guanine Nucleotides 23-41 GNAS complex locus Homo sapiens 9-16 29740613-5 2018 We demonstrate that the Arf1 guanine nucleotide exchange factor, brefeldin A-inhibited guanine nucleotide-exchange protein 1 (BIG1)/Arfgef1, and the effector Arf1 regulate the initiation of myelination of axons by Schwann cells. Guanine Nucleotides 29-47 ADP-ribosylation factor 1 Mus musculus 24-28 29716441-4 2018 PKR recognizes imperfectly double-stranded non-coding viral RNA molecules via its N-terminal double-stranded RNA binding motifs, undergoes phosphorylation of the C-terminal kinase domain, ultimately resulting in inhibition of viral protein translation by inhibiting the guanine nucleotide exchange activity of eukaryotic initiation factor 2alpha. Guanine Nucleotides 270-288 eukaryotic translation initiation factor 2 alpha kinase 2 Homo sapiens 0-3 29314494-5 2018 RIN3 that functions as a guanine nucleotide exchange factor for Rab5 may serve as an important activator for Rab5 in AD pathogenesis. Guanine Nucleotides 25-43 RAB5A, member RAS oncogene family Homo sapiens 64-68 29314494-5 2018 RIN3 that functions as a guanine nucleotide exchange factor for Rab5 may serve as an important activator for Rab5 in AD pathogenesis. Guanine Nucleotides 25-43 RAB5A, member RAS oncogene family Homo sapiens 109-113 29410088-2 2018 Cytoplasmic p27 stimulates cell migration by associating with RhoA and interfering with the exchange of GDP from RhoA stimulated by guanine nucleotide exchange factors. Guanine Nucleotides 132-150 interferon alpha inducible protein 27 Homo sapiens 12-15 29352104-1 2018 Rab GTPases are key regulators of membrane trafficking, and many are activated by guanine nucleotide exchange factors bearing a differentially expressed in normal and neoplastic cells (DENN) domain. Guanine Nucleotides 82-100 MAP kinase activating death domain Homo sapiens 185-189 29572327-4 2018 combined approaches of crystallography, biochemistry, and cell biology to show that the guanine nucleotide exchange factor DENND3 contains an actin-binding site they call "PHenn domain" in a region previously thought to be unstructured. Guanine Nucleotides 88-106 DENN domain containing 3 Homo sapiens 123-129 29410088-2 2018 Cytoplasmic p27 stimulates cell migration by associating with RhoA and interfering with the exchange of GDP from RhoA stimulated by guanine nucleotide exchange factors. Guanine Nucleotides 132-150 ras homolog family member A Homo sapiens 113-117 29410088-4 2018 The affinity of p27 for RhoA is low, with an equilibrium dissociation constant of hundreds of micromolar; however, at high concentrations, p27 interfered with guanine nucleotide exchange factor-mediated nucleotide exchange from RhoA. Guanine Nucleotides 159-177 interferon alpha inducible protein 27 Homo sapiens 16-19 29410088-4 2018 The affinity of p27 for RhoA is low, with an equilibrium dissociation constant of hundreds of micromolar; however, at high concentrations, p27 interfered with guanine nucleotide exchange factor-mediated nucleotide exchange from RhoA. Guanine Nucleotides 159-177 interferon alpha inducible protein 27 Homo sapiens 139-142 29410088-4 2018 The affinity of p27 for RhoA is low, with an equilibrium dissociation constant of hundreds of micromolar; however, at high concentrations, p27 interfered with guanine nucleotide exchange factor-mediated nucleotide exchange from RhoA. Guanine Nucleotides 159-177 ras homolog family member A Homo sapiens 228-232 29273580-5 2018 TRAPPII is not essential but becomes so in the absence of the gene parcas that encodes the Drosophila orthologue of the SH3BP5 family of Rab11 guanine nucleotide exchange factors (GEFs). Guanine Nucleotides 143-161 Rab11 Drosophila melanogaster 137-142 29523808-5 2018 In contrast to mouse B cells, BCR-induced activation of Erk in human B cells is largely independent of phospholipase C-gamma activity and diacylglycerol-responsive members of Ras guanine nucleotide releasing proteins. Guanine Nucleotides 179-197 BCR activator of RhoGEF and GTPase Homo sapiens 30-33 29523808-5 2018 In contrast to mouse B cells, BCR-induced activation of Erk in human B cells is largely independent of phospholipase C-gamma activity and diacylglycerol-responsive members of Ras guanine nucleotide releasing proteins. Guanine Nucleotides 179-197 Eph receptor B2 Mus musculus 56-59 29489452-1 2018 eIF2B is a dedicated guanine nucleotide exchange factor for eIF2, the GTPase that is essential to initiate mRNA translation. Guanine Nucleotides 21-39 eukaryotic translation initiation factor 2B subunit delta Homo sapiens 0-5 29489452-1 2018 eIF2B is a dedicated guanine nucleotide exchange factor for eIF2, the GTPase that is essential to initiate mRNA translation. Guanine Nucleotides 21-39 eukaryotic translation initiation factor 2 subunit beta Homo sapiens 0-4 29425030-1 2018 Eukaryotic translation initiation factor 2B (eIF2B) is the guanine nucleotide exchange factor of the GTPase eIF2, which brings the initiator Met-tRNAi to the ribosome in the form of the eIF2-GTP Met-tRNAi ternary complex (TC). Guanine Nucleotides 59-77 eukaryotic translation initiation factor 2B subunit delta Homo sapiens 0-43 29425030-1 2018 Eukaryotic translation initiation factor 2B (eIF2B) is the guanine nucleotide exchange factor of the GTPase eIF2, which brings the initiator Met-tRNAi to the ribosome in the form of the eIF2-GTP Met-tRNAi ternary complex (TC). Guanine Nucleotides 59-77 eukaryotic translation initiation factor 2B subunit delta Homo sapiens 45-50 29425030-1 2018 Eukaryotic translation initiation factor 2B (eIF2B) is the guanine nucleotide exchange factor of the GTPase eIF2, which brings the initiator Met-tRNAi to the ribosome in the form of the eIF2-GTP Met-tRNAi ternary complex (TC). Guanine Nucleotides 59-77 eukaryotic translation initiation factor 2 subunit beta Homo sapiens 45-49 29425030-1 2018 Eukaryotic translation initiation factor 2B (eIF2B) is the guanine nucleotide exchange factor of the GTPase eIF2, which brings the initiator Met-tRNAi to the ribosome in the form of the eIF2-GTP Met-tRNAi ternary complex (TC). Guanine Nucleotides 59-77 eukaryotic translation initiation factor 2 subunit beta Homo sapiens 108-112 29080810-17 2018 LAY SUMMARY: Guanine nucleotide-binding alpha-subunit 12 (Galpha12) is upregulated in activated hepatic stellate cells (HSCs) as a consequence of the dysregulation of a specific microRNA that is abundant in HSCs, facilitating the progression of liver fibrosis. Guanine Nucleotides 13-31 G protein subunit alpha 12 Homo sapiens 58-66 29429615-4 2018 We show that the C. elegans Netrin ortholog UNC-6, signaling through its cognate receptor UNC-40/DCC and the CED-5/DOCK180 guanine nucleotide exchange factor, is both required and sufficient for male-specific synaptic maintenance. Guanine Nucleotides 123-141 Netrin unc-6 Caenorhabditis elegans 44-49 29429615-4 2018 We show that the C. elegans Netrin ortholog UNC-6, signaling through its cognate receptor UNC-40/DCC and the CED-5/DOCK180 guanine nucleotide exchange factor, is both required and sufficient for male-specific synaptic maintenance. Guanine Nucleotides 123-141 Uncharacterized protein Caenorhabditis elegans 109-114 29059157-3 2018 Here, we show that a Rho family GTPase regulator, Rho guanine nucleotide dissociation inhibitor 1 (RhoGDI1), can interact with ephrinB1, and this interaction is enhanced upon binding the extracellular domain of the cognate EphB2 receptor. Guanine Nucleotides 54-72 Rho GDP dissociation inhibitor alpha Homo sapiens 99-106 29059157-3 2018 Here, we show that a Rho family GTPase regulator, Rho guanine nucleotide dissociation inhibitor 1 (RhoGDI1), can interact with ephrinB1, and this interaction is enhanced upon binding the extracellular domain of the cognate EphB2 receptor. Guanine Nucleotides 54-72 ephrin B1 Homo sapiens 127-135 29059157-3 2018 Here, we show that a Rho family GTPase regulator, Rho guanine nucleotide dissociation inhibitor 1 (RhoGDI1), can interact with ephrinB1, and this interaction is enhanced upon binding the extracellular domain of the cognate EphB2 receptor. Guanine Nucleotides 54-72 EPH receptor B2 Homo sapiens 223-228 29055784-5 2018 Our results demonstrated that muscle contractions induced by carbachol (CCh) and endothelin-1 (ET-1) were inhibited by EHT1864, a selective Rac1 inhibitor, and NSC23766, a selective inhibitor of Rac1-specific guanine nucleotide exchange factors. Guanine Nucleotides 209-227 endothelin 1 Rattus norvegicus 81-93 29207149-1 2018 Triple functional domain protein (Trio) is an evolutionarily conserved protein with guanine nucleotide exchange factors that regulate different physiological processes in some types of cancer. Guanine Nucleotides 84-102 trio Rho guanine nucleotide exchange factor Homo sapiens 0-32 29207149-1 2018 Triple functional domain protein (Trio) is an evolutionarily conserved protein with guanine nucleotide exchange factors that regulate different physiological processes in some types of cancer. Guanine Nucleotides 84-102 trio Rho guanine nucleotide exchange factor Homo sapiens 34-38 29373579-3 2018 Rho guanine nucleotide exchange factors (GEFs) interact with RhoA, catalyze the exchange of GDP for GTP and thereby activate the GTPase. Guanine Nucleotides 4-22 ras homolog family member A Homo sapiens 61-65 29515755-5 2018 In this study, we demonstrate that CGEF-1, the C. elegans homolog of the human guanine nucleotide exchange factor Dbl, is a novel binding partner of RHEB-1 and activator of mTORC1 signaling in C. elegans. Guanine Nucleotides 79-97 DH domain-containing protein Caenorhabditis elegans 35-41 29515755-5 2018 In this study, we demonstrate that CGEF-1, the C. elegans homolog of the human guanine nucleotide exchange factor Dbl, is a novel binding partner of RHEB-1 and activator of mTORC1 signaling in C. elegans. Guanine Nucleotides 79-97 MCF.2 cell line derived transforming sequence Homo sapiens 114-117 29515755-5 2018 In this study, we demonstrate that CGEF-1, the C. elegans homolog of the human guanine nucleotide exchange factor Dbl, is a novel binding partner of RHEB-1 and activator of mTORC1 signaling in C. elegans. Guanine Nucleotides 79-97 RHEB pseudogene 1 Homo sapiens 149-155 28970150-2 2018 Although the encoded protein, folliculin (FLCN), has no sequence homology to known functional domains, x-ray crystallographic studies have shown that the C-terminus of FLCN has structural similarity to DENN (differentially expressed in normal cells and neoplasia) domain proteins that act as guanine nucleotide exchange factors (GEFs) for small Rab GTPases. Guanine Nucleotides 292-310 folliculin Homo sapiens 168-172 28970150-2 2018 Although the encoded protein, folliculin (FLCN), has no sequence homology to known functional domains, x-ray crystallographic studies have shown that the C-terminus of FLCN has structural similarity to DENN (differentially expressed in normal cells and neoplasia) domain proteins that act as guanine nucleotide exchange factors (GEFs) for small Rab GTPases. Guanine Nucleotides 292-310 MAP kinase activating death domain Homo sapiens 202-206 29515755-5 2018 In this study, we demonstrate that CGEF-1, the C. elegans homolog of the human guanine nucleotide exchange factor Dbl, is a novel binding partner of RHEB-1 and activator of mTORC1 signaling in C. elegans. Guanine Nucleotides 79-97 CREB regulated transcription coactivator 1 Mus musculus 173-179 29055784-5 2018 Our results demonstrated that muscle contractions induced by carbachol (CCh) and endothelin-1 (ET-1) were inhibited by EHT1864, a selective Rac1 inhibitor, and NSC23766, a selective inhibitor of Rac1-specific guanine nucleotide exchange factors. Guanine Nucleotides 209-227 endothelin 1 Rattus norvegicus 95-99 29130632-1 2018 Dedicator of cytokinesis (DOCK) family are evolutionary conserved guanine nucleotide exchange factors (GEFs) for the Rho GTPases, Rac, and Cdc42. Guanine Nucleotides 66-84 Rac family small GTPase 1 Homo sapiens 130-133 29130632-1 2018 Dedicator of cytokinesis (DOCK) family are evolutionary conserved guanine nucleotide exchange factors (GEFs) for the Rho GTPases, Rac, and Cdc42. Guanine Nucleotides 66-84 cell division cycle 42 Homo sapiens 139-144 29093026-5 2018 Instead, reduced activity of Rac/RhoG was responsible for the deficient macropinocytosis of proinflammatory macrophages, as suggested by the stimulatory effects of heterologously expressed guanine nucleotide-exchange factors or of constitutively active (but not wild-type) forms of these GTPases. Guanine Nucleotides 189-207 ras homolog family member G Homo sapiens 29-32 29111327-2 2018 EPAC has two isoforms (EPAC1 and EPAC2) and is a cAMP-dependent guanine nucleotide exchange factor for the small GTPases, Rap1 and Rap2. Guanine Nucleotides 64-82 Rap guanine nucleotide exchange factor 3 Homo sapiens 0-4 29111327-2 2018 EPAC has two isoforms (EPAC1 and EPAC2) and is a cAMP-dependent guanine nucleotide exchange factor for the small GTPases, Rap1 and Rap2. Guanine Nucleotides 64-82 Rap guanine nucleotide exchange factor 4 Homo sapiens 33-38 29111327-2 2018 EPAC has two isoforms (EPAC1 and EPAC2) and is a cAMP-dependent guanine nucleotide exchange factor for the small GTPases, Rap1 and Rap2. Guanine Nucleotides 64-82 RAP1A, member of RAS oncogene family Homo sapiens 122-126 29111327-2 2018 EPAC has two isoforms (EPAC1 and EPAC2) and is a cAMP-dependent guanine nucleotide exchange factor for the small GTPases, Rap1 and Rap2. Guanine Nucleotides 64-82 RAP2A, member of RAS oncogene family Homo sapiens 131-135 29112323-3 2018 Here, we used brefeldin A (BFA) that blocks the activity of the cellular Arf guanine nucleotide exchange factors GBF1, BIG1, and BIG2, which play a major role in reshuffling of cellular membranes. Guanine Nucleotides 77-95 golgi brefeldin A resistant guanine nucleotide exchange factor 1 Homo sapiens 113-117 29112323-3 2018 Here, we used brefeldin A (BFA) that blocks the activity of the cellular Arf guanine nucleotide exchange factors GBF1, BIG1, and BIG2, which play a major role in reshuffling of cellular membranes. Guanine Nucleotides 77-95 ADP ribosylation factor guanine nucleotide exchange factor 1 Homo sapiens 119-123 29112323-3 2018 Here, we used brefeldin A (BFA) that blocks the activity of the cellular Arf guanine nucleotide exchange factors GBF1, BIG1, and BIG2, which play a major role in reshuffling of cellular membranes. Guanine Nucleotides 77-95 ADP ribosylation factor guanine nucleotide exchange factor 2 Homo sapiens 129-133 29071730-9 2018 In cultured human airway smooth muscle cells (hASMCs), TGF-beta pre-treatment enhanced the protein expression of the Rho guanine nucleotide exchange factor ARHGEF1, MLC20 , MYPT-1 and the actin-severing protein cofilin, but not of RhoA, ROCK2 or c-Src. Guanine Nucleotides 121-139 transforming growth factor beta 1 Homo sapiens 55-63 29071730-9 2018 In cultured human airway smooth muscle cells (hASMCs), TGF-beta pre-treatment enhanced the protein expression of the Rho guanine nucleotide exchange factor ARHGEF1, MLC20 , MYPT-1 and the actin-severing protein cofilin, but not of RhoA, ROCK2 or c-Src. Guanine Nucleotides 121-139 Rho guanine nucleotide exchange factor 1 Homo sapiens 156-163 29093026-5 2018 Instead, reduced activity of Rac/RhoG was responsible for the deficient macropinocytosis of proinflammatory macrophages, as suggested by the stimulatory effects of heterologously expressed guanine nucleotide-exchange factors or of constitutively active (but not wild-type) forms of these GTPases. Guanine Nucleotides 189-207 ras homolog family member G Homo sapiens 33-37 29109759-1 2017 Epithelial cell transforming 2 (Ect2) protein is a member of the human diffuse B-cell lymphoma family of guanine nucleotide exchange factors, which activate the Ras homolog gene family of small GTPases; however, the clinical implications of Ect2 in colorectal carcinoma (CRC) are unclear. Guanine Nucleotides 105-123 epithelial cell transforming 2 Homo sapiens 0-30 28971229-13 2018 CONCLUSIONS: These data suggest that the guanine nucleotide binding protein Galphao offers some protection against the development of morphine tolerance and dependence. Guanine Nucleotides 41-59 guanine nucleotide binding protein, alpha O Mus musculus 76-83 29872253-2 2017 The responsible gene for this phenotype was identified as Dock5, a guanine nucleotide exchange factor for small GTPase Rac1. Guanine Nucleotides 67-85 dedicator of cytokinesis 5 Mus musculus 58-63 29872253-2 2017 The responsible gene for this phenotype was identified as Dock5, a guanine nucleotide exchange factor for small GTPase Rac1. Guanine Nucleotides 67-85 Rac family small GTPase 1 Mus musculus 119-123 29061650-6 2017 These guanine nucleotide exchange factors regulate the spatiotemporal dynamics of Rac3 activity, impacting GIT1 localization. Guanine Nucleotides 6-24 Rac family small GTPase 3 Homo sapiens 82-86 29061650-6 2017 These guanine nucleotide exchange factors regulate the spatiotemporal dynamics of Rac3 activity, impacting GIT1 localization. Guanine Nucleotides 6-24 GIT ArfGAP 1 Homo sapiens 107-111 28912101-1 2017 RasGRP comprises a family of guanine nucleotide exchange factors, regulating the dissociation of GDP from Ras GTPases to enhance the formation of the active GTP-bound form. Guanine Nucleotides 29-47 RAS guanyl releasing protein 1 Homo sapiens 0-6 28917843-1 2017 Rapgef2 and Rapgef6 define a subfamily of guanine nucleotide exchange factors for Rap1, characterized by possession of the Ras/Rap-associating domains and implicated in the etiology of schizophrenia. Guanine Nucleotides 42-60 Rap guanine nucleotide exchange factor (GEF) 2 Mus musculus 0-7 28917843-1 2017 Rapgef2 and Rapgef6 define a subfamily of guanine nucleotide exchange factors for Rap1, characterized by possession of the Ras/Rap-associating domains and implicated in the etiology of schizophrenia. Guanine Nucleotides 42-60 Rap guanine nucleotide exchange factor (GEF) 6 Mus musculus 12-19 28917843-1 2017 Rapgef2 and Rapgef6 define a subfamily of guanine nucleotide exchange factors for Rap1, characterized by possession of the Ras/Rap-associating domains and implicated in the etiology of schizophrenia. Guanine Nucleotides 42-60 RAS-related protein 1a Mus musculus 82-86 28923977-5 2017 Here, we show that in the Drosophila melanogaster cell wound repair model Rho GTPase arrays form in response to prepatterning by Rho guanine nucleotide exchange factors (RhoGEFs), a family of proteins involved in the activation of small GTPases. Guanine Nucleotides 133-151 Rho1 Drosophila melanogaster 74-84 29178143-1 2017 Rac1 GTPase interaction with guanine nucleotide exchange factor Tiam1 is involved in several cancer types and cardiovascular diseases. Guanine Nucleotides 29-47 Rac family small GTPase 1 Homo sapiens 0-4 29178143-1 2017 Rac1 GTPase interaction with guanine nucleotide exchange factor Tiam1 is involved in several cancer types and cardiovascular diseases. Guanine Nucleotides 29-47 TIAM Rac1 associated GEF 1 Homo sapiens 64-69 29106825-9 2017 Evaluation of their influence on the affinity of RAB11B to a series of binary interactors, both effectors and guanine nucleotide exchange factors (GEFs), showed induction of RAB11B binding to the GEF SH3BP5, again similar to inactive RAB11B. Guanine Nucleotides 110-128 RAB11B, member RAS oncogene family Homo sapiens 49-55 29106825-9 2017 Evaluation of their influence on the affinity of RAB11B to a series of binary interactors, both effectors and guanine nucleotide exchange factors (GEFs), showed induction of RAB11B binding to the GEF SH3BP5, again similar to inactive RAB11B. Guanine Nucleotides 110-128 RAB11B, member RAS oncogene family Homo sapiens 174-180 29106825-9 2017 Evaluation of their influence on the affinity of RAB11B to a series of binary interactors, both effectors and guanine nucleotide exchange factors (GEFs), showed induction of RAB11B binding to the GEF SH3BP5, again similar to inactive RAB11B. Guanine Nucleotides 110-128 Rho/Rac guanine nucleotide exchange factor 2 Homo sapiens 147-150 29106825-9 2017 Evaluation of their influence on the affinity of RAB11B to a series of binary interactors, both effectors and guanine nucleotide exchange factors (GEFs), showed induction of RAB11B binding to the GEF SH3BP5, again similar to inactive RAB11B. Guanine Nucleotides 110-128 RAB11B, member RAS oncogene family Homo sapiens 174-180 29109759-1 2017 Epithelial cell transforming 2 (Ect2) protein is a member of the human diffuse B-cell lymphoma family of guanine nucleotide exchange factors, which activate the Ras homolog gene family of small GTPases; however, the clinical implications of Ect2 in colorectal carcinoma (CRC) are unclear. Guanine Nucleotides 105-123 epithelial cell transforming 2 Homo sapiens 32-36 29109759-1 2017 Epithelial cell transforming 2 (Ect2) protein is a member of the human diffuse B-cell lymphoma family of guanine nucleotide exchange factors, which activate the Ras homolog gene family of small GTPases; however, the clinical implications of Ect2 in colorectal carcinoma (CRC) are unclear. Guanine Nucleotides 105-123 epithelial cell transforming 2 Homo sapiens 241-245 28752642-8 2017 Our results indicate that Apn1 target sequences are enriched for cytosine and guanine nucleotides. Guanine Nucleotides 78-97 DNA-(apurinic or apyrimidinic site) lyase APN1 Saccharomyces cerevisiae S288C 26-30 28978795-4 2017 Here, we have demonstrated an essential role of the dedicator of cytokinesis 8 (DOCK8), guanine nucleotide exchange factors required for cytoskeleton rearrangement, cell migration, and immune cell survival in controlling Treg fitness and their function. Guanine Nucleotides 88-106 dedicator of cytokinesis 8 Mus musculus 52-78 28807941-3 2017 This review examines the multiple mechanisms leading to Rac1 hyperactivation, particularly focusing on emerging paradigms that involve gain-of-function mutations in Rac and guanine nucleotide exchange factors, defects in Rac1 degradation, and mislocalization of Rac signaling components. Guanine Nucleotides 173-191 Rac family small GTPase 1 Homo sapiens 56-60 28807941-3 2017 This review examines the multiple mechanisms leading to Rac1 hyperactivation, particularly focusing on emerging paradigms that involve gain-of-function mutations in Rac and guanine nucleotide exchange factors, defects in Rac1 degradation, and mislocalization of Rac signaling components. Guanine Nucleotides 173-191 AKT serine/threonine kinase 1 Homo sapiens 56-59 28968219-0 2017 Site-specific monoubiquitination downregulates Rab5 by disrupting effector binding and guanine nucleotide conversion. Guanine Nucleotides 87-105 RAB5A, member RAS oncogene family Homo sapiens 47-51 28186670-3 2017 The functional states of Rab7 generally switch between GTP-bound and GDP-bound states under the control of guanine nucleotide exchange factors (GEFs) and GTPase-activating proteins (GAPs). Guanine Nucleotides 107-125 RAB7A, member RAS oncogene family Homo sapiens 25-29 28701658-1 2017 The dedicator of cytokinesis (DOCK) family proteins are known as one of guanine nucleotide exchange factors (GEFs), that contribute to cellular signaling processes by activating small G proteins. Guanine Nucleotides 72-90 dreadlocks Drosophila melanogaster 30-34 29016942-3 2017 The intracellular trafficking of PIN1 protein is sensitive to the fungal toxin brefeldin A (BFA), which is known to inhibit guanine nucleotide exchange factors for ADP ribosylation factors (ARF GEFs) such as GNOM. Guanine Nucleotides 124-142 Auxin efflux carrier family protein Arabidopsis thaliana 33-37 28781083-1 2017 KRAS G12C, the most common RAS mutation found in non-small-cell lung cancer, has been the subject of multiple recent covalent small-molecule inhibitor campaigns including efforts directed at the guanine nucleotide pocket and separate work focused on an inducible pocket adjacent to the switch motifs. Guanine Nucleotides 195-213 KRAS proto-oncogene, GTPase Homo sapiens 0-4 28139825-7 2017 Functional studies revealed that amino acid change p.Gly60Val impairs HRAS binding to effectors PIK3CA, phospholipase C1, and RAL guanine nucleotide dissociation stimulator. Guanine Nucleotides 130-148 HRas proto-oncogene, GTPase Homo sapiens 70-74 28139825-7 2017 Functional studies revealed that amino acid change p.Gly60Val impairs HRAS binding to effectors PIK3CA, phospholipase C1, and RAL guanine nucleotide dissociation stimulator. Guanine Nucleotides 130-148 RAS like proto-oncogene A Homo sapiens 126-129 28698357-2 2017 Here, we show that Arabidopsis (Arabidopsis thaliana) RopGEF1, a guanine nucleotide exchange factor and activator of Rho GTPases of plants (ROPs), is critically involved in polar distribution of auxin influx carrier AUX1 and differential accumulation of efflux carriers PIN7 and PIN2 and is important for embryo and early seedling development when RopGEF1 is prevalently expressed. Guanine Nucleotides 65-83 rho guanyl-nucleotide exchange factor 1 Arabidopsis thaliana 54-61 28698357-2 2017 Here, we show that Arabidopsis (Arabidopsis thaliana) RopGEF1, a guanine nucleotide exchange factor and activator of Rho GTPases of plants (ROPs), is critically involved in polar distribution of auxin influx carrier AUX1 and differential accumulation of efflux carriers PIN7 and PIN2 and is important for embryo and early seedling development when RopGEF1 is prevalently expressed. Guanine Nucleotides 65-83 Transmembrane amino acid transporter family protein Arabidopsis thaliana 216-220 28698357-2 2017 Here, we show that Arabidopsis (Arabidopsis thaliana) RopGEF1, a guanine nucleotide exchange factor and activator of Rho GTPases of plants (ROPs), is critically involved in polar distribution of auxin influx carrier AUX1 and differential accumulation of efflux carriers PIN7 and PIN2 and is important for embryo and early seedling development when RopGEF1 is prevalently expressed. Guanine Nucleotides 65-83 Auxin efflux carrier family protein Arabidopsis thaliana 270-274 28698357-2 2017 Here, we show that Arabidopsis (Arabidopsis thaliana) RopGEF1, a guanine nucleotide exchange factor and activator of Rho GTPases of plants (ROPs), is critically involved in polar distribution of auxin influx carrier AUX1 and differential accumulation of efflux carriers PIN7 and PIN2 and is important for embryo and early seedling development when RopGEF1 is prevalently expressed. Guanine Nucleotides 65-83 Auxin efflux carrier family protein Arabidopsis thaliana 279-283 28698357-2 2017 Here, we show that Arabidopsis (Arabidopsis thaliana) RopGEF1, a guanine nucleotide exchange factor and activator of Rho GTPases of plants (ROPs), is critically involved in polar distribution of auxin influx carrier AUX1 and differential accumulation of efflux carriers PIN7 and PIN2 and is important for embryo and early seedling development when RopGEF1 is prevalently expressed. Guanine Nucleotides 65-83 rho guanyl-nucleotide exchange factor 1 Arabidopsis thaliana 348-355 28884018-6 2017 Moroever, Polo-like kinase 1-mediated phosphorylation of Cyk4/RACGAP1, a centralspindlin component at the midbody, facilitates binding of both RhoA guanine nucleotide exchange factor (epithelial cell transforming sequence 2 (Ect2)) and PP2A-B" that in turn dephosphorylates Cyk4 and disrupts Ect2 binding. Guanine Nucleotides 148-166 polo like kinase 1 Homo sapiens 10-28 28884018-6 2017 Moroever, Polo-like kinase 1-mediated phosphorylation of Cyk4/RACGAP1, a centralspindlin component at the midbody, facilitates binding of both RhoA guanine nucleotide exchange factor (epithelial cell transforming sequence 2 (Ect2)) and PP2A-B" that in turn dephosphorylates Cyk4 and disrupts Ect2 binding. Guanine Nucleotides 148-166 Rac GTPase activating protein 1 Homo sapiens 57-61 28884018-6 2017 Moroever, Polo-like kinase 1-mediated phosphorylation of Cyk4/RACGAP1, a centralspindlin component at the midbody, facilitates binding of both RhoA guanine nucleotide exchange factor (epithelial cell transforming sequence 2 (Ect2)) and PP2A-B" that in turn dephosphorylates Cyk4 and disrupts Ect2 binding. Guanine Nucleotides 148-166 Rac GTPase activating protein 1 Homo sapiens 62-69 28884018-6 2017 Moroever, Polo-like kinase 1-mediated phosphorylation of Cyk4/RACGAP1, a centralspindlin component at the midbody, facilitates binding of both RhoA guanine nucleotide exchange factor (epithelial cell transforming sequence 2 (Ect2)) and PP2A-B" that in turn dephosphorylates Cyk4 and disrupts Ect2 binding. Guanine Nucleotides 148-166 ras homolog family member A Homo sapiens 143-147 28884018-6 2017 Moroever, Polo-like kinase 1-mediated phosphorylation of Cyk4/RACGAP1, a centralspindlin component at the midbody, facilitates binding of both RhoA guanine nucleotide exchange factor (epithelial cell transforming sequence 2 (Ect2)) and PP2A-B" that in turn dephosphorylates Cyk4 and disrupts Ect2 binding. Guanine Nucleotides 148-166 epithelial cell transforming 2 Homo sapiens 184-223 28884018-6 2017 Moroever, Polo-like kinase 1-mediated phosphorylation of Cyk4/RACGAP1, a centralspindlin component at the midbody, facilitates binding of both RhoA guanine nucleotide exchange factor (epithelial cell transforming sequence 2 (Ect2)) and PP2A-B" that in turn dephosphorylates Cyk4 and disrupts Ect2 binding. Guanine Nucleotides 148-166 epithelial cell transforming 2 Homo sapiens 225-229 28884018-6 2017 Moroever, Polo-like kinase 1-mediated phosphorylation of Cyk4/RACGAP1, a centralspindlin component at the midbody, facilitates binding of both RhoA guanine nucleotide exchange factor (epithelial cell transforming sequence 2 (Ect2)) and PP2A-B" that in turn dephosphorylates Cyk4 and disrupts Ect2 binding. Guanine Nucleotides 148-166 protein phosphatase 2 phosphatase activator Homo sapiens 236-240 28884018-6 2017 Moroever, Polo-like kinase 1-mediated phosphorylation of Cyk4/RACGAP1, a centralspindlin component at the midbody, facilitates binding of both RhoA guanine nucleotide exchange factor (epithelial cell transforming sequence 2 (Ect2)) and PP2A-B" that in turn dephosphorylates Cyk4 and disrupts Ect2 binding. Guanine Nucleotides 148-166 Rac GTPase activating protein 1 Homo sapiens 274-278 28884018-6 2017 Moroever, Polo-like kinase 1-mediated phosphorylation of Cyk4/RACGAP1, a centralspindlin component at the midbody, facilitates binding of both RhoA guanine nucleotide exchange factor (epithelial cell transforming sequence 2 (Ect2)) and PP2A-B" that in turn dephosphorylates Cyk4 and disrupts Ect2 binding. Guanine Nucleotides 148-166 epithelial cell transforming 2 Homo sapiens 292-296 28742002-3 2017 Cdc42 is negatively regulated by the GTPase-activating proteins (GAPs) and the GDP dissociation inhibitors (GDIs), and positively regulated by guanine nucleotide exchange factors (GEFs). Guanine Nucleotides 143-161 Rho family GTPase CDC42 Saccharomyces cerevisiae S288C 0-5 28677085-1 2017 Eukaryotic initiation factor 2B (eIF2B) controls the first step of translation by catalyzing guanine nucleotide exchange on eukaryotic initiation factor 2 (eIF2). Guanine Nucleotides 93-111 eukaryotic translation initiation factor 2B subunit delta Homo sapiens 33-38 28600358-6 2017 Mechanistically, we uncover novel direct interactions between endogenous GPR124 and the Rho guanine nucleotide exchange factors Elmo/Dock and intersectin (ITSN). Guanine Nucleotides 92-110 adhesion G protein-coupled receptor A2 Homo sapiens 73-79 28600358-6 2017 Mechanistically, we uncover novel direct interactions between endogenous GPR124 and the Rho guanine nucleotide exchange factors Elmo/Dock and intersectin (ITSN). Guanine Nucleotides 92-110 intersectin 1 Homo sapiens 142-153 28600358-6 2017 Mechanistically, we uncover novel direct interactions between endogenous GPR124 and the Rho guanine nucleotide exchange factors Elmo/Dock and intersectin (ITSN). Guanine Nucleotides 92-110 intersectin 1 Homo sapiens 155-159 28600358-13 2017 This constitutes a previously unrecognized complex formed of atypical and conventional Rho guanine nucleotide exchange factors for Rac and Cdc42 that is putatively involved in GPR124-dependent angiogenic responses. Guanine Nucleotides 91-109 AKT serine/threonine kinase 1 Homo sapiens 131-134 28600358-13 2017 This constitutes a previously unrecognized complex formed of atypical and conventional Rho guanine nucleotide exchange factors for Rac and Cdc42 that is putatively involved in GPR124-dependent angiogenic responses. Guanine Nucleotides 91-109 cell division cycle 42 Homo sapiens 139-144 28600358-13 2017 This constitutes a previously unrecognized complex formed of atypical and conventional Rho guanine nucleotide exchange factors for Rac and Cdc42 that is putatively involved in GPR124-dependent angiogenic responses. Guanine Nucleotides 91-109 adhesion G protein-coupled receptor A2 Homo sapiens 176-182 28584192-4 2017 In Jurkat cells, the activities of two guanine nucleotide binding proteins, Arf6 and Rab22 (also known as Rab22a), influence CIE and conjugate formation. Guanine Nucleotides 39-57 ADP ribosylation factor 6 Homo sapiens 76-80 28584192-4 2017 In Jurkat cells, the activities of two guanine nucleotide binding proteins, Arf6 and Rab22 (also known as Rab22a), influence CIE and conjugate formation. Guanine Nucleotides 39-57 RAB22A, member RAS oncogene family Homo sapiens 85-90 28584192-4 2017 In Jurkat cells, the activities of two guanine nucleotide binding proteins, Arf6 and Rab22 (also known as Rab22a), influence CIE and conjugate formation. Guanine Nucleotides 39-57 RAB22A, member RAS oncogene family Homo sapiens 106-112 27649969-1 2017 AIMS: In the heart, beta1-adrenergic signaling involves cyclic adenosine monophosphate (cAMP) acting via both protein kinase-A (PKA) and exchange protein directly activated by cAMP (Epac): a guanine nucleotide exchange factor for the small GTPase Rap1. Guanine Nucleotides 191-209 Rap guanine nucleotide exchange factor 3 Homo sapiens 182-186 27649969-1 2017 AIMS: In the heart, beta1-adrenergic signaling involves cyclic adenosine monophosphate (cAMP) acting via both protein kinase-A (PKA) and exchange protein directly activated by cAMP (Epac): a guanine nucleotide exchange factor for the small GTPase Rap1. Guanine Nucleotides 191-209 RAP1A, member of RAS oncogene family Homo sapiens 247-251 28336235-3 2017 Further investigations demonstrated that the tyrosine phosphorylation of Rab7 depends on the guanine nucleotide binding activity of Rab7 and the activity of Src kinase. Guanine Nucleotides 93-111 RAB7B, member RAS oncogene family Homo sapiens 73-77 28336235-3 2017 Further investigations demonstrated that the tyrosine phosphorylation of Rab7 depends on the guanine nucleotide binding activity of Rab7 and the activity of Src kinase. Guanine Nucleotides 93-111 RAB7B, member RAS oncogene family Homo sapiens 132-136 28658616-4 2017 Cellular treatment with AG2037, an inhibitor of the purine biosynthetic enzyme GARFT, profoundly inhibits mTORC1 activity via a reduction in the level of GTP-bound Rheb, an obligate upstream activator of mTORC1, because of a reduction in intracellular guanine nucleotides. Guanine Nucleotides 252-271 CREB regulated transcription coactivator 1 Mus musculus 106-112 28666462-6 2017 Signaling was assessed by western analysis and biochemical pull-down assays specific for Rac-GTP and for active Rac guanine nucleotide exchange factors (GEFs). Guanine Nucleotides 116-134 AKT serine/threonine kinase 1 Homo sapiens 112-115 28658616-4 2017 Cellular treatment with AG2037, an inhibitor of the purine biosynthetic enzyme GARFT, profoundly inhibits mTORC1 activity via a reduction in the level of GTP-bound Rheb, an obligate upstream activator of mTORC1, because of a reduction in intracellular guanine nucleotides. Guanine Nucleotides 252-271 Ras homolog enriched in brain Mus musculus 164-168 28484278-9 2017 Based on our previous iTRAQ results, guanine nucleotide binding proteins 3 (GNAI3) is one of the distinct proteins after GATA4 deletion. Guanine Nucleotides 37-55 guanine nucleotide binding protein (G protein), alpha inhibiting 3 Mus musculus 76-81 28489379-3 2017 Interestingly, some ligands show considerably lower intrinsic activity in guanine nucleotide exchange experiments at D2R and consequently represent biased agonists favoring beta-arrestin-2 recruitment over canonical G protein activation. Guanine Nucleotides 74-92 arrestin beta 2 Homo sapiens 173-188 28570277-5 2017 Here, we show that human and mouse GPR116 control surfactant secretion and reuptake in alveolar type II (AT2) cells by regulating guanine nucleotide-binding domain alpha q and 11 (Gq/11) signaling. Guanine Nucleotides 130-148 adhesion G protein-coupled receptor F5 Mus musculus 35-41 28484278-9 2017 Based on our previous iTRAQ results, guanine nucleotide binding proteins 3 (GNAI3) is one of the distinct proteins after GATA4 deletion. Guanine Nucleotides 37-55 GATA binding protein 4 Mus musculus 121-126 28472098-5 2017 This was attenuated with by knockdown of GEF-H1, a microtubule-localized guanine nucleotide exchange factor for Rho GTPase. Guanine Nucleotides 73-91 rho/rac guanine nucleotide exchange factor (GEF) 2 Mus musculus 41-47 28408707-4 2017 We observed genome-wide significance in relation to cCIMT association with the SERGEF gene (secretion-regulating guanine nucleotide exchange factor; beta=0.0137; P=2.98x10-4), also associated with higher odds of stroke (odds ratio=1.71; P=0.02). Guanine Nucleotides 113-131 secretion regulating guanine nucleotide exchange factor Homo sapiens 79-85 27267709-5 2017 RAC1/2 guanine nucleotide exchange factors harbouring polybasic stretches are recruited by PtdOH to sites of ruffle formation. Guanine Nucleotides 7-25 Rac family small GTPase 1 Homo sapiens 0-4 28389568-5 2017 Our results show that IRGM controls phosphorylation of GBF1, a guanine nucleotide exchange factor for Arf-GTPases, which normally operates in Golgi membrane dynamics and vesicle coating in resting cells. Guanine Nucleotides 63-81 immunity related GTPase M Homo sapiens 22-26 28389568-5 2017 Our results show that IRGM controls phosphorylation of GBF1, a guanine nucleotide exchange factor for Arf-GTPases, which normally operates in Golgi membrane dynamics and vesicle coating in resting cells. Guanine Nucleotides 63-81 golgi brefeldin A resistant guanine nucleotide exchange factor 1 Homo sapiens 55-59 28148498-2 2017 Here we investigate roles for Rho-specific guanine nucleotide dissociation inhibitor proteins (RhoGDIs) in platelet function. Guanine Nucleotides 43-61 Rho GDP dissociation inhibitor alpha Homo sapiens 95-102 28029388-3 2017 A part of these processes, which require the complex integration of transport-, cytoskeleton- and polarity-associated mechanisms, is tightly regulated by molecular machineries comprising guanine nucleotide exchange factors (GEF) and their down-stream effectors, such as the small GTPase Cdc42. Guanine Nucleotides 187-205 cell division cycle 42 Homo sapiens 287-292 27885802-3 2017 When identifying the causative gene of dyschromatosis universalis hereditaria (DUH), we found three mutations encoding amino acid substitutions in the gene SAM and SH3 domain containing 1 (SASH1), and SASH1 was associated with guanine nucleotide-binding protein subunit-alpha isoforms short (Galphas). Guanine Nucleotides 227-245 SAM and SH3 domain containing 1 Homo sapiens 189-194 27885802-3 2017 When identifying the causative gene of dyschromatosis universalis hereditaria (DUH), we found three mutations encoding amino acid substitutions in the gene SAM and SH3 domain containing 1 (SASH1), and SASH1 was associated with guanine nucleotide-binding protein subunit-alpha isoforms short (Galphas). Guanine Nucleotides 227-245 SAM and SH3 domain containing 1 Homo sapiens 201-206 27748370-4 2017 The screen identified dedicator of cytokinesis 2 (DOCK2), which is a guanine nucleotide exchange factor for Rho GTPases, and its expression is limited to hematolymphoid cells. Guanine Nucleotides 69-87 dedicator of cytokinesis 2 Homo sapiens 50-55 27669437-1 2017 DOCK proteins are guanine nucleotide exchange factors for Rac and Cdc42 GTPases. Guanine Nucleotides 18-36 Rac family small GTPase 1 Homo sapiens 58-61 27669437-1 2017 DOCK proteins are guanine nucleotide exchange factors for Rac and Cdc42 GTPases. Guanine Nucleotides 18-36 cell division cycle 42 Homo sapiens 66-71 28270555-4 2017 We identified a transcriptional regulatory mechanism involving increased abundance of VAV2, a guanine nucleotide exchange factor for small GTPases that control the cytoskeleton, driven by increased expression of the gene encoding SF-1 in ACC. Guanine Nucleotides 94-112 vav guanine nucleotide exchange factor 2 Homo sapiens 86-90 28270555-4 2017 We identified a transcriptional regulatory mechanism involving increased abundance of VAV2, a guanine nucleotide exchange factor for small GTPases that control the cytoskeleton, driven by increased expression of the gene encoding SF-1 in ACC. Guanine Nucleotides 94-112 nuclear receptor subfamily 5 group A member 1 Homo sapiens 230-234 28153773-0 2017 Human Gpn1 purified from bacteria binds guanine nucleotides and hydrolyzes GTP as a protein dimer stabilized by its C-terminal tail. Guanine Nucleotides 40-59 GPN-loop GTPase 1 Homo sapiens 6-10 28199315-3 2017 Furthermore, the metazoan-specific SESN proteins function as guanine nucleotide dissociation inhibitors (GDIs) for RAGA/B, and interact with GATOR2 with unknown effects. Guanine Nucleotides 61-79 Ras related GTP binding B Homo sapiens 115-121 27423549-10 2017 Additionally, p.S885N and p.R1441H mutations caused reduced interaction between LRRK2 and ARHGEF7, a putative guanine nucleotide exchange factor for LRRK2, whereas this interaction was well preserved in p.R767H and p.G2019S mutations. Guanine Nucleotides 110-128 leucine rich repeat kinase 2 Homo sapiens 80-85 27423549-10 2017 Additionally, p.S885N and p.R1441H mutations caused reduced interaction between LRRK2 and ARHGEF7, a putative guanine nucleotide exchange factor for LRRK2, whereas this interaction was well preserved in p.R767H and p.G2019S mutations. Guanine Nucleotides 110-128 Rho guanine nucleotide exchange factor 7 Homo sapiens 90-97 27617576-5 2017 Consistent with the role of SOS1/EPS8/ABI1 complex as a Rac1-specific guanine nucleotide exchange factor, depleting Rac1 results in the loss of most of mesenchymal traits in mesenchymal-like ovarian cancer cells, whereas expressing constitutively active Rac1 leads to EMT in epithelial-like ovarian cancer cells. Guanine Nucleotides 70-88 SOS Ras/Rac guanine nucleotide exchange factor 1 Mus musculus 28-32 27617576-5 2017 Consistent with the role of SOS1/EPS8/ABI1 complex as a Rac1-specific guanine nucleotide exchange factor, depleting Rac1 results in the loss of most of mesenchymal traits in mesenchymal-like ovarian cancer cells, whereas expressing constitutively active Rac1 leads to EMT in epithelial-like ovarian cancer cells. Guanine Nucleotides 70-88 epidermal growth factor receptor pathway substrate 8 Mus musculus 33-37 27617576-5 2017 Consistent with the role of SOS1/EPS8/ABI1 complex as a Rac1-specific guanine nucleotide exchange factor, depleting Rac1 results in the loss of most of mesenchymal traits in mesenchymal-like ovarian cancer cells, whereas expressing constitutively active Rac1 leads to EMT in epithelial-like ovarian cancer cells. Guanine Nucleotides 70-88 abl interactor 1 Mus musculus 38-42 27617576-5 2017 Consistent with the role of SOS1/EPS8/ABI1 complex as a Rac1-specific guanine nucleotide exchange factor, depleting Rac1 results in the loss of most of mesenchymal traits in mesenchymal-like ovarian cancer cells, whereas expressing constitutively active Rac1 leads to EMT in epithelial-like ovarian cancer cells. Guanine Nucleotides 70-88 Rac family small GTPase 1 Mus musculus 56-60 27617576-5 2017 Consistent with the role of SOS1/EPS8/ABI1 complex as a Rac1-specific guanine nucleotide exchange factor, depleting Rac1 results in the loss of most of mesenchymal traits in mesenchymal-like ovarian cancer cells, whereas expressing constitutively active Rac1 leads to EMT in epithelial-like ovarian cancer cells. Guanine Nucleotides 70-88 Rac family small GTPase 1 Mus musculus 116-120 27617576-5 2017 Consistent with the role of SOS1/EPS8/ABI1 complex as a Rac1-specific guanine nucleotide exchange factor, depleting Rac1 results in the loss of most of mesenchymal traits in mesenchymal-like ovarian cancer cells, whereas expressing constitutively active Rac1 leads to EMT in epithelial-like ovarian cancer cells. Guanine Nucleotides 70-88 Rac family small GTPase 1 Mus musculus 116-120 28003365-1 2017 ADP-ribosylation factor GTPases are activated by guanine nucleotide exchange factors including Gbf1 (Golgi brefeldin A-resistant factor 1) and play important roles in regulating organelle structure and cargo-selective vesicle trafficking. Guanine Nucleotides 49-67 golgi brefeldin A resistant guanine nucleotide exchange factor 1 Danio rerio 95-99 28001387-1 2017 Heterotrimeric guanine nucleotide-binding proteins (Galpha proteins) are intracellular nanomachines deputed to signal transduction. Guanine Nucleotides 15-33 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 52-58 28003365-1 2017 ADP-ribosylation factor GTPases are activated by guanine nucleotide exchange factors including Gbf1 (Golgi brefeldin A-resistant factor 1) and play important roles in regulating organelle structure and cargo-selective vesicle trafficking. Guanine Nucleotides 49-67 golgi brefeldin A resistant guanine nucleotide exchange factor 1 Danio rerio 101-137 27776975-1 2017 The Small GTPase ADP-ribosylation factor 6 (Arf6) functions as the molecular switch in cellular signaling pathways by cycling between GDP-bound inactive and GTP-bound active form, which is precisely regulated by two regulators, guanine nucleotide exchange factors (GEFs) and GTPase-activating proteins (GAPs). Guanine Nucleotides 228-246 ADP ribosylation factor 6 Homo sapiens 17-42 28074005-3 2017 We analyzed whether Nav1.7 deficiency altered nociceptive heterotrimeric guanine nucleotide-binding protein-coupled receptor (GPCR) signaling, such as initiated by GPCRs that respond to serotonin (pronociceptive) or opioids (antinociceptive), in sensory neurons. Guanine Nucleotides 73-91 sodium channel, voltage-gated, type IX, alpha Mus musculus 20-26 28284242-4 2017 RCC1 is the major nuclear guanine nucleotide exchange factor for the small GTPase Ran enzyme. Guanine Nucleotides 26-44 regulator of chromosome condensation 1 Homo sapiens 0-4 27221061-1 2017 Despite their homologous structure and central nervous system(CNS) expression patterns, the GRF1 and GRF2 guanine nucleotide exchange factors(GEF) appear to play distinct, non-overlapping functions in cellular excitability, synaptic plasticity or neuromodulation. Guanine Nucleotides 106-124 RAS protein-specific guanine nucleotide-releasing factor 2 Mus musculus 101-105 27221061-1 2017 Despite their homologous structure and central nervous system(CNS) expression patterns, the GRF1 and GRF2 guanine nucleotide exchange factors(GEF) appear to play distinct, non-overlapping functions in cellular excitability, synaptic plasticity or neuromodulation. Guanine Nucleotides 106-124 rho/rac guanine nucleotide exchange factor (GEF) 2 Mus musculus 142-145 27776975-1 2017 The Small GTPase ADP-ribosylation factor 6 (Arf6) functions as the molecular switch in cellular signaling pathways by cycling between GDP-bound inactive and GTP-bound active form, which is precisely regulated by two regulators, guanine nucleotide exchange factors (GEFs) and GTPase-activating proteins (GAPs). Guanine Nucleotides 228-246 ADP ribosylation factor 6 Homo sapiens 44-48 29149411-3 2017 Certain aspects of its structure show remarkable similarities to guanine nucleotide-free chaperons Mss4 and Dss4 suggesting that at least some functions of TCTP may depend on its chaperon-like action on other proteins. Guanine Nucleotides 65-83 RAB interacting factor Homo sapiens 99-103 27900608-1 2017 Epac1 and Epac2 are cyclic nucleotide-binding (CNB) domain containing proteins, which were originally identified as cAMP-regulated guanine nucleotide exchange factors (GEFs) for the small G-protein Rap. Guanine Nucleotides 131-149 Rap guanine nucleotide exchange factor 3 Homo sapiens 0-5 27900608-1 2017 Epac1 and Epac2 are cyclic nucleotide-binding (CNB) domain containing proteins, which were originally identified as cAMP-regulated guanine nucleotide exchange factors (GEFs) for the small G-protein Rap. Guanine Nucleotides 131-149 Rap guanine nucleotide exchange factor 4 Homo sapiens 10-15 28523202-2 2017 SWAP-70-like adapter of T cells (SLAT), also known as Def6 or IBP, is a guanine nucleotide exchange factor for small GTPases, which regulates CD4+ T cell inflammatory responses by controlling Ca2+/NFAT signaling. Guanine Nucleotides 72-90 DEF6 guanine nucleotide exchange factor Homo sapiens 33-37 28523202-2 2017 SWAP-70-like adapter of T cells (SLAT), also known as Def6 or IBP, is a guanine nucleotide exchange factor for small GTPases, which regulates CD4+ T cell inflammatory responses by controlling Ca2+/NFAT signaling. Guanine Nucleotides 72-90 DEF6 guanine nucleotide exchange factor Homo sapiens 54-58 28523202-2 2017 SWAP-70-like adapter of T cells (SLAT), also known as Def6 or IBP, is a guanine nucleotide exchange factor for small GTPases, which regulates CD4+ T cell inflammatory responses by controlling Ca2+/NFAT signaling. Guanine Nucleotides 72-90 DEF6 guanine nucleotide exchange factor Homo sapiens 62-65 27622243-7 2017 The most connected miRNA in this network was miR-27a-3p [e.g., with Rho guanine nucleotide exchange factor 26 (ARHGEF26)], which was expressed in medial and neointimal SMCs in a Dicer-dependent manner. Guanine Nucleotides 72-90 Rho guanine nucleotide exchange factor (GEF) 26 Mus musculus 111-119 29149411-3 2017 Certain aspects of its structure show remarkable similarities to guanine nucleotide-free chaperons Mss4 and Dss4 suggesting that at least some functions of TCTP may depend on its chaperon-like action on other proteins. Guanine Nucleotides 65-83 tumor protein, translationally-controlled 1 Homo sapiens 156-160 28255536-3 2016 Furthermore, Rac has two guanine nucleotide exchange factors, Vav and Sos, whose role in activating Rac is not well understood. Guanine Nucleotides 25-43 AKT serine/threonine kinase 1 Homo sapiens 13-16 28008853-2 2016 Using Hydrogen-Deuterium Exchange-Mass Spectrometry (HDX-MS) we show that Ric-8A disrupts the secondary structure of the Galpha Ras-like domain that girds the guanine nucleotide-binding site, and destabilizes the interface between the Galphai1 Ras and helical domains, allowing domain separation and nucleotide release. Guanine Nucleotides 159-177 RIC8 guanine nucleotide exchange factor A Homo sapiens 74-80 28008853-2 2016 Using Hydrogen-Deuterium Exchange-Mass Spectrometry (HDX-MS) we show that Ric-8A disrupts the secondary structure of the Galpha Ras-like domain that girds the guanine nucleotide-binding site, and destabilizes the interface between the Galphai1 Ras and helical domains, allowing domain separation and nucleotide release. Guanine Nucleotides 159-177 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 121-127 27907191-4 2016 This interacting protein, Trio, is a member of the Dbl family of guanine nucleotide exchange factors (GEFs) known to regulate the dynamic assembly of actin and growth factor dependent axon guidance and synaptic growth. Guanine Nucleotides 65-83 trio Rho guanine nucleotide exchange factor Homo sapiens 26-30 28036092-2 2016 Rho guanine nucleotide exchange factor 11 (ARHGEF11) is a specific guanine nucleotide exchange factors (GEF) for RhoA, which is a critical regulator of actin cytoskeleton dynamics and organization of dendritic spines and inhibitor of spine maintenance. Guanine Nucleotides 4-22 Rho guanine nucleotide exchange factor 11 Homo sapiens 43-51 28036092-2 2016 Rho guanine nucleotide exchange factor 11 (ARHGEF11) is a specific guanine nucleotide exchange factors (GEF) for RhoA, which is a critical regulator of actin cytoskeleton dynamics and organization of dendritic spines and inhibitor of spine maintenance. Guanine Nucleotides 4-22 ras homolog family member A Homo sapiens 113-117 27742837-2 2016 Active Galphaq binds its two major classes of effectors, the phospholipase C (PLC)-beta isozymes and Rho guanine nucleotide exchange factors (RhoGEFs) related to Trio, in a strikingly similar fashion: a continuous helix-turn-helix of the effectors engages Galphaq within its canonical binding site consisting of a groove formed between switch II and helix alpha3. Guanine Nucleotides 105-123 guanine nucleotide binding protein, alpha q polypeptide Mus musculus 7-14 27742837-2 2016 Active Galphaq binds its two major classes of effectors, the phospholipase C (PLC)-beta isozymes and Rho guanine nucleotide exchange factors (RhoGEFs) related to Trio, in a strikingly similar fashion: a continuous helix-turn-helix of the effectors engages Galphaq within its canonical binding site consisting of a groove formed between switch II and helix alpha3. Guanine Nucleotides 105-123 triple functional domain (PTPRF interacting) Mus musculus 162-166 27765816-1 2016 PLEKHG2/FLJ00018 is a Gbetagamma-dependent guanine nucleotide exchange factor for the small GTPases Rac and Cdc42 and has been shown to mediate the signaling pathways leading to actin cytoskeleton reorganization. Guanine Nucleotides 43-61 pleckstrin homology and RhoGEF domain containing G2 Homo sapiens 0-7 27765816-1 2016 PLEKHG2/FLJ00018 is a Gbetagamma-dependent guanine nucleotide exchange factor for the small GTPases Rac and Cdc42 and has been shown to mediate the signaling pathways leading to actin cytoskeleton reorganization. Guanine Nucleotides 43-61 cell division cycle 42 Homo sapiens 108-113 27788493-0 2016 Multisite phosphorylation of P-Rex1 by protein kinase C. P-Rex proteins are guanine nucleotide exchange factors (GEFs) that act on the Rho/Rac family of GTP binding proteins. Guanine Nucleotides 76-94 phosphatidylinositol-3,4,5-trisphosphate dependent Rac exchange factor 1 Homo sapiens 29-35 28255536-3 2016 Furthermore, Rac has two guanine nucleotide exchange factors, Vav and Sos, whose role in activating Rac is not well understood. Guanine Nucleotides 25-43 vav guanine nucleotide exchange factor 1 Homo sapiens 62-65 28255536-3 2016 Furthermore, Rac has two guanine nucleotide exchange factors, Vav and Sos, whose role in activating Rac is not well understood. Guanine Nucleotides 25-43 AKT serine/threonine kinase 1 Homo sapiens 100-103 27535433-4 2016 Arf1 is activated by guanine nucleotide exchange factors, but essential roles for Arf1 GTPase-activating proteins (GAPs) are less clear. Guanine Nucleotides 21-39 ADP ribosylation factor at 79F Drosophila melanogaster 0-4 27827364-2 2016 The timing of this interaction and consequent endosomal dynamics are thought to be regulated by the guanine nucleotide cycle of Rab7. Guanine Nucleotides 100-118 RAB7A, member RAS oncogene family Homo sapiens 128-132 27519290-1 2016 In the absence of an experimental bTLR8 structure, recent studies have called attention to the fact that bTLR8 can also be activated by hTLR7/hTLR8 agonist, such as antiviral imidazoquinoline derivatives of resiquimod (R848) and imiquimod (R837) as well as some guanine nucleotide analogs with a scaffold structure related to the nucleic acids of ssRNA virus. Guanine Nucleotides 262-280 toll like receptor 7 Homo sapiens 136-141 27519290-1 2016 In the absence of an experimental bTLR8 structure, recent studies have called attention to the fact that bTLR8 can also be activated by hTLR7/hTLR8 agonist, such as antiviral imidazoquinoline derivatives of resiquimod (R848) and imiquimod (R837) as well as some guanine nucleotide analogs with a scaffold structure related to the nucleic acids of ssRNA virus. Guanine Nucleotides 262-280 toll like receptor 8 Homo sapiens 142-147 27773821-1 2016 RalGDS is a guanine nucleotide exchange factor that promotes the active GTP-bound form of Ral GTPases, RalA and RalB. Guanine Nucleotides 12-30 ral guanine nucleotide dissociation stimulator Homo sapiens 0-6 27773821-1 2016 RalGDS is a guanine nucleotide exchange factor that promotes the active GTP-bound form of Ral GTPases, RalA and RalB. Guanine Nucleotides 12-30 RAS like proto-oncogene A Homo sapiens 0-3 27773821-1 2016 RalGDS is a guanine nucleotide exchange factor that promotes the active GTP-bound form of Ral GTPases, RalA and RalB. Guanine Nucleotides 12-30 RAS like proto-oncogene B Homo sapiens 112-116 27633000-5 2016 We further discovered that a new ternary complex, comprising TNPO1, Rab8 and a CTS, can assemble or disassemble under the guanine nucleotide exchange activity of Rab8. Guanine Nucleotides 122-140 transportin 1 Homo sapiens 61-66 27633000-5 2016 We further discovered that a new ternary complex, comprising TNPO1, Rab8 and a CTS, can assemble or disassemble under the guanine nucleotide exchange activity of Rab8. Guanine Nucleotides 122-140 RAB8A, member RAS oncogene family Homo sapiens 68-72 27633000-5 2016 We further discovered that a new ternary complex, comprising TNPO1, Rab8 and a CTS, can assemble or disassemble under the guanine nucleotide exchange activity of Rab8. Guanine Nucleotides 122-140 RAB8A, member RAS oncogene family Homo sapiens 162-166 27693507-3 2016 Here we show how the acute knockdown of the Adams-Oliver syndrome (AOS) gene DOCK6, coding for a RAC1/CDC42 guanine nucleotide exchange factor, results in strikingly different phenotypes to those generated by genomic DOCK6 disruption. Guanine Nucleotides 108-126 dedicator of cytokinesis 6 Homo sapiens 77-82 27693507-3 2016 Here we show how the acute knockdown of the Adams-Oliver syndrome (AOS) gene DOCK6, coding for a RAC1/CDC42 guanine nucleotide exchange factor, results in strikingly different phenotypes to those generated by genomic DOCK6 disruption. Guanine Nucleotides 108-126 cell division cycle 42 Homo sapiens 102-107 27708257-3 2016 Our structural and biochemical results reveal that four domains of human eEFSec fold into a chalice-like structure that has similar binding affinities for GDP, GTP and other guanine nucleotides. Guanine Nucleotides 174-193 eukaryotic elongation factor, selenocysteine-tRNA specific Homo sapiens 73-79 27708257-4 2016 Surprisingly, unlike in eEF1A and EF-Tu, the guanine nucleotide exchange does not cause a major conformational change in domain 1 of eEFSec, but instead induces a swing of domain 4. Guanine Nucleotides 45-63 eukaryotic elongation factor, selenocysteine-tRNA specific Homo sapiens 133-139 27115600-5 2016 Rem molecular determinants required for BBD CaV1.2 inhibition are the distal C-terminus and the guanine nucleotide binding G-domain which interact with the plasma membrane and CaVbeta, respectively. Guanine Nucleotides 96-114 calcium voltage-gated channel subunit alpha1 C Homo sapiens 44-50 27621449-4 2016 Here we report that GIV is a bifunctional modulator of G proteins; it serves as a guanine nucleotide dissociation inhibitor (GDI) for Galphas using the same motif that allows it to serve as a GEF for Galphai. Guanine Nucleotides 82-100 coiled-coil domain containing 88A Homo sapiens 20-23 27597758-5 2016 Systematic depletion of Rho family GTPases and their regulatory proteins identified the Rac subfamily and the Rac-specific guanine nucleotide exchange factor Tiam2 as key components of EphB2 trans-endocytosis, a pathway previously implicated in Eph forward signaling, in which ephrins act as in trans ligands of Eph receptors. Guanine Nucleotides 123-141 AKT serine/threonine kinase 1 Homo sapiens 110-113 27597758-5 2016 Systematic depletion of Rho family GTPases and their regulatory proteins identified the Rac subfamily and the Rac-specific guanine nucleotide exchange factor Tiam2 as key components of EphB2 trans-endocytosis, a pathway previously implicated in Eph forward signaling, in which ephrins act as in trans ligands of Eph receptors. Guanine Nucleotides 123-141 TIAM Rac1 associated GEF 2 Homo sapiens 158-163 27597758-5 2016 Systematic depletion of Rho family GTPases and their regulatory proteins identified the Rac subfamily and the Rac-specific guanine nucleotide exchange factor Tiam2 as key components of EphB2 trans-endocytosis, a pathway previously implicated in Eph forward signaling, in which ephrins act as in trans ligands of Eph receptors. Guanine Nucleotides 123-141 EPH receptor B2 Homo sapiens 185-190 27115600-5 2016 Rem molecular determinants required for BBD CaV1.2 inhibition are the distal C-terminus and the guanine nucleotide binding G-domain which interact with the plasma membrane and CaVbeta, respectively. Guanine Nucleotides 96-114 carbonic anhydrase 5B Homo sapiens 176-183 27693992-10 2016 Glutathionylation of Rac1 on cysteine 81 and 157 located adjacent to guanine nucleotide binding site was required for the metabolic stress to inhibit Rac1 activity and promote endothelial hyperpermeability. Guanine Nucleotides 69-87 Rac family small GTPase 1 Homo sapiens 21-25 27693992-10 2016 Glutathionylation of Rac1 on cysteine 81 and 157 located adjacent to guanine nucleotide binding site was required for the metabolic stress to inhibit Rac1 activity and promote endothelial hyperpermeability. Guanine Nucleotides 69-87 Rac family small GTPase 1 Homo sapiens 150-154 27598965-3 2016 However, the role of Epac1 and Epac2 (Rap guanine nucleotide exchange factors, RAPGEF3 and RAPGEF4, respectively) as potential downstream targets of SSRI/cAMP in mood regulations is not yet clear. Guanine Nucleotides 42-60 Rap guanine nucleotide exchange factor (GEF) 4 Mus musculus 31-36 27498141-3 2016 We examined the somatic mutations of GNAQ and GNA11 (GNAQ/11, encoding the guanine nucleotide-binding alpha subunits) in MM and evaluated their correlation to clinicopathologic features of MM. Guanine Nucleotides 75-93 G protein subunit alpha q Homo sapiens 53-57 27330119-9 2016 Furthermore, neurite outgrowth suppressed by ACAP3 knockdown was rescued by expression of a fast cycle mutant of Arf6 that spontaneously exchanges guanine nucleotides on Arf6, but not by that of wild-type, GTP- or GDP-locked mutant Arf6. Guanine Nucleotides 147-166 ArfGAP with coiled-coil, ankyrin repeat and PH domains 3 Mus musculus 45-50 27330119-9 2016 Furthermore, neurite outgrowth suppressed by ACAP3 knockdown was rescued by expression of a fast cycle mutant of Arf6 that spontaneously exchanges guanine nucleotides on Arf6, but not by that of wild-type, GTP- or GDP-locked mutant Arf6. Guanine Nucleotides 147-166 ADP-ribosylation factor 6 Mus musculus 113-117 27330119-9 2016 Furthermore, neurite outgrowth suppressed by ACAP3 knockdown was rescued by expression of a fast cycle mutant of Arf6 that spontaneously exchanges guanine nucleotides on Arf6, but not by that of wild-type, GTP- or GDP-locked mutant Arf6. Guanine Nucleotides 147-166 ADP-ribosylation factor 6 Mus musculus 170-174 27330119-9 2016 Furthermore, neurite outgrowth suppressed by ACAP3 knockdown was rescued by expression of a fast cycle mutant of Arf6 that spontaneously exchanges guanine nucleotides on Arf6, but not by that of wild-type, GTP- or GDP-locked mutant Arf6. Guanine Nucleotides 147-166 ADP-ribosylation factor 6 Mus musculus 170-174 27440754-3 2016 Here, we demonstrate that during the late petal development stages, SPIKE1 (SPK1), encoding a guanine nucleotide exchange factor, activates Rho of Plants (ROP) GTPase proteins (ROP2, ROP4, and ROP6) to affect anisotropic expansion of epidermal cells in both petal blades and claws, thereby affecting anisotropic growth of the petal and the final characteristic organ shape. Guanine Nucleotides 94-112 guanyl-nucleotide exchange factors;GTPase binding;GTP binding protein Arabidopsis thaliana 68-74 27241101-2 2016 It is the fourth member of the EFA6 family with guanine nucleotide exchange activity for Arf6, a small guanosine triphosphatase (GTPase) that regulates endosomal trafficking and actin cytoskeleton remodeling. Guanine Nucleotides 48-66 ADP-ribosylation factor 6 Mus musculus 89-93 27440754-3 2016 Here, we demonstrate that during the late petal development stages, SPIKE1 (SPK1), encoding a guanine nucleotide exchange factor, activates Rho of Plants (ROP) GTPase proteins (ROP2, ROP4, and ROP6) to affect anisotropic expansion of epidermal cells in both petal blades and claws, thereby affecting anisotropic growth of the petal and the final characteristic organ shape. Guanine Nucleotides 94-112 guanyl-nucleotide exchange factors;GTPase binding;GTP binding protein Arabidopsis thaliana 76-80 27440754-3 2016 Here, we demonstrate that during the late petal development stages, SPIKE1 (SPK1), encoding a guanine nucleotide exchange factor, activates Rho of Plants (ROP) GTPase proteins (ROP2, ROP4, and ROP6) to affect anisotropic expansion of epidermal cells in both petal blades and claws, thereby affecting anisotropic growth of the petal and the final characteristic organ shape. Guanine Nucleotides 94-112 RHO-related protein from plants 2 Arabidopsis thaliana 177-181 27440754-3 2016 Here, we demonstrate that during the late petal development stages, SPIKE1 (SPK1), encoding a guanine nucleotide exchange factor, activates Rho of Plants (ROP) GTPase proteins (ROP2, ROP4, and ROP6) to affect anisotropic expansion of epidermal cells in both petal blades and claws, thereby affecting anisotropic growth of the petal and the final characteristic organ shape. Guanine Nucleotides 94-112 RAC-like GTP binding protein 5 Arabidopsis thaliana 183-187 27440754-3 2016 Here, we demonstrate that during the late petal development stages, SPIKE1 (SPK1), encoding a guanine nucleotide exchange factor, activates Rho of Plants (ROP) GTPase proteins (ROP2, ROP4, and ROP6) to affect anisotropic expansion of epidermal cells in both petal blades and claws, thereby affecting anisotropic growth of the petal and the final characteristic organ shape. Guanine Nucleotides 94-112 RAC-like 3 Arabidopsis thaliana 193-197 27525924-3 2016 Previous studies have suggested that PCP2 is a guanine nucleotide dissociation inhibitor, or a guanine nucleotide exchange factor. Guanine Nucleotides 47-65 Purkinje cell protein 2 (L7) Mus musculus 37-41 27558716-1 2016 Resistance to Inhibitors of Cholinesterase A (Ric-8A) is a 60-kDa cytosolic protein that has chaperone and guanine nucleotide exchange (GEF) activity toward heterotrimeric G protein alpha subunits of the i, q, and 12/13 classes, catalyzing the release of GDP from Galpha and subsequent binding of GTP. Guanine Nucleotides 107-125 RIC8 guanine nucleotide exchange factor A Homo sapiens 46-52 27558716-1 2016 Resistance to Inhibitors of Cholinesterase A (Ric-8A) is a 60-kDa cytosolic protein that has chaperone and guanine nucleotide exchange (GEF) activity toward heterotrimeric G protein alpha subunits of the i, q, and 12/13 classes, catalyzing the release of GDP from Galpha and subsequent binding of GTP. Guanine Nucleotides 107-125 Rho/Rac guanine nucleotide exchange factor 2 Homo sapiens 136-139 27558716-1 2016 Resistance to Inhibitors of Cholinesterase A (Ric-8A) is a 60-kDa cytosolic protein that has chaperone and guanine nucleotide exchange (GEF) activity toward heterotrimeric G protein alpha subunits of the i, q, and 12/13 classes, catalyzing the release of GDP from Galpha and subsequent binding of GTP. Guanine Nucleotides 107-125 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 264-270 27476596-4 2016 In Saccharomyces cerevisiae, the guanine nucleotide dissociation inhibitor (GDI) Rdi1 recycles Cdc42 through the cytoplasm. Guanine Nucleotides 33-51 Rdi1p Saccharomyces cerevisiae S288C 81-85 27476596-4 2016 In Saccharomyces cerevisiae, the guanine nucleotide dissociation inhibitor (GDI) Rdi1 recycles Cdc42 through the cytoplasm. Guanine Nucleotides 33-51 Rho family GTPase CDC42 Saccharomyces cerevisiae S288C 95-100 27500526-6 2016 Furthermore, we reveal for first time that Rab1b localization time at ERES depended on GBF1, a Rab1b effector that acts as the guanine nucleotide exchange factor of Arf1, and that Rab1b membrane association/dissociation dynamics at ERES was dependent on the GBF1 membrane association and activity, which strongly suggests that GBF1 activity modulates Rab1b membrane cycling dynamic. Guanine Nucleotides 127-145 RAB1B, member RAS oncogene family Homo sapiens 43-48 27500526-6 2016 Furthermore, we reveal for first time that Rab1b localization time at ERES depended on GBF1, a Rab1b effector that acts as the guanine nucleotide exchange factor of Arf1, and that Rab1b membrane association/dissociation dynamics at ERES was dependent on the GBF1 membrane association and activity, which strongly suggests that GBF1 activity modulates Rab1b membrane cycling dynamic. Guanine Nucleotides 127-145 golgi brefeldin A resistant guanine nucleotide exchange factor 1 Homo sapiens 87-91 27500526-6 2016 Furthermore, we reveal for first time that Rab1b localization time at ERES depended on GBF1, a Rab1b effector that acts as the guanine nucleotide exchange factor of Arf1, and that Rab1b membrane association/dissociation dynamics at ERES was dependent on the GBF1 membrane association and activity, which strongly suggests that GBF1 activity modulates Rab1b membrane cycling dynamic. Guanine Nucleotides 127-145 RAB1B, member RAS oncogene family Homo sapiens 95-100 27500526-6 2016 Furthermore, we reveal for first time that Rab1b localization time at ERES depended on GBF1, a Rab1b effector that acts as the guanine nucleotide exchange factor of Arf1, and that Rab1b membrane association/dissociation dynamics at ERES was dependent on the GBF1 membrane association and activity, which strongly suggests that GBF1 activity modulates Rab1b membrane cycling dynamic. Guanine Nucleotides 127-145 ADP ribosylation factor 1 Homo sapiens 165-169 27500526-6 2016 Furthermore, we reveal for first time that Rab1b localization time at ERES depended on GBF1, a Rab1b effector that acts as the guanine nucleotide exchange factor of Arf1, and that Rab1b membrane association/dissociation dynamics at ERES was dependent on the GBF1 membrane association and activity, which strongly suggests that GBF1 activity modulates Rab1b membrane cycling dynamic. Guanine Nucleotides 127-145 RAB1B, member RAS oncogene family Homo sapiens 95-100 27500526-6 2016 Furthermore, we reveal for first time that Rab1b localization time at ERES depended on GBF1, a Rab1b effector that acts as the guanine nucleotide exchange factor of Arf1, and that Rab1b membrane association/dissociation dynamics at ERES was dependent on the GBF1 membrane association and activity, which strongly suggests that GBF1 activity modulates Rab1b membrane cycling dynamic. Guanine Nucleotides 127-145 RAB1B, member RAS oncogene family Homo sapiens 95-100 27381255-3 2016 The C-terminal region of Ski7 (Ski7C) binds guanine nucleotides and shares overall sequence and structural homology with the proteins of the translational GTPase superfamily, especially the tRNA/tRNA-mimic carrier protein subfamilies such as EF1alpha, eRF3, and Hbs1. Guanine Nucleotides 44-63 Ski7p Saccharomyces cerevisiae S288C 25-29 27167578-7 2016 Proteomic analysis of immunoprecipitated alpha7 nAChR complexes from differentiating PC12 cells and synaptic fractions of the developing mouse hippocampus revealed the existence of Rho GTPase-regulating guanine nucleotide exchange factors within alpha7 nAChR interactomes. Guanine Nucleotides 203-221 cholinergic receptor, nicotinic, alpha polypeptide 7 Mus musculus 41-53 27167578-7 2016 Proteomic analysis of immunoprecipitated alpha7 nAChR complexes from differentiating PC12 cells and synaptic fractions of the developing mouse hippocampus revealed the existence of Rho GTPase-regulating guanine nucleotide exchange factors within alpha7 nAChR interactomes. Guanine Nucleotides 203-221 cholinergic receptor, nicotinic, alpha polypeptide 7 Mus musculus 246-258 27152953-0 2016 Proteomic analysis of Rac1 signaling regulation by guanine nucleotide exchange factors. Guanine Nucleotides 51-69 Rac family small GTPase 1 Homo sapiens 22-26 27152953-3 2016 The diversity of Rac1 functioning in cells is mainly attributed to its ability to bind to a multitude of downstream effectors following activation by Guanine nucleotide Exchange Factors (GEFs). Guanine Nucleotides 150-168 Rac family small GTPase 1 Homo sapiens 17-21 27381255-3 2016 The C-terminal region of Ski7 (Ski7C) binds guanine nucleotides and shares overall sequence and structural homology with the proteins of the translational GTPase superfamily, especially the tRNA/tRNA-mimic carrier protein subfamilies such as EF1alpha, eRF3, and Hbs1. Guanine Nucleotides 44-63 Ski7p Saccharomyces cerevisiae S288C 31-36 27189938-4 2016 This study also showed that, despite the conservation of the catalytic activity of RhoGAP (Rho-specific GAP) on the 6-TGTP-Rac1 adduct to produce the biologically inactive 6-thioguanosine diphosphate (6-TGDP)-Rac1 adduct, RhoGEF (Rho-specific GEF) cannot exchange the 6-TGDP adducted on Rac1 with free guanine nucleotide. Guanine Nucleotides 302-320 Rho GTPase activating protein 1 Homo sapiens 83-89 27189938-4 2016 This study also showed that, despite the conservation of the catalytic activity of RhoGAP (Rho-specific GAP) on the 6-TGTP-Rac1 adduct to produce the biologically inactive 6-thioguanosine diphosphate (6-TGDP)-Rac1 adduct, RhoGEF (Rho-specific GEF) cannot exchange the 6-TGDP adducted on Rac1 with free guanine nucleotide. Guanine Nucleotides 302-320 Rho GTPase activating protein 1 Homo sapiens 91-107 27197236-0 2016 The tumor-suppressive small GTPase DiRas1 binds the noncanonical guanine nucleotide exchange factor SmgGDS and antagonizes SmgGDS interactions with oncogenic small GTPases. Guanine Nucleotides 65-83 DIRAS family GTPase 1 Homo sapiens 35-41 27390776-0 2016 Crucial Role of Rapgef2 and Rapgef6, a Family of Guanine Nucleotide Exchange Factors for Rap1 Small GTPase, in Formation of Apical Surface Adherens Junctions and Neural Progenitor Development in the Mouse Cerebral Cortex. Guanine Nucleotides 49-67 Rap guanine nucleotide exchange factor (GEF) 2 Mus musculus 16-23 27390776-0 2016 Crucial Role of Rapgef2 and Rapgef6, a Family of Guanine Nucleotide Exchange Factors for Rap1 Small GTPase, in Formation of Apical Surface Adherens Junctions and Neural Progenitor Development in the Mouse Cerebral Cortex. Guanine Nucleotides 49-67 Rap guanine nucleotide exchange factor (GEF) 6 Mus musculus 28-35 27390776-0 2016 Crucial Role of Rapgef2 and Rapgef6, a Family of Guanine Nucleotide Exchange Factors for Rap1 Small GTPase, in Formation of Apical Surface Adherens Junctions and Neural Progenitor Development in the Mouse Cerebral Cortex. Guanine Nucleotides 49-67 RAS-related protein 1a Mus musculus 89-93 27390776-2 2016 Rapgef2 and Rapgef6 constitute a unique family of guanine nucleotide exchange factors for Rap1 small GTPase, which is known to play crucial roles in migration of postmitotic neurons. Guanine Nucleotides 50-68 Rap guanine nucleotide exchange factor (GEF) 2 Mus musculus 0-7 27390776-2 2016 Rapgef2 and Rapgef6 constitute a unique family of guanine nucleotide exchange factors for Rap1 small GTPase, which is known to play crucial roles in migration of postmitotic neurons. Guanine Nucleotides 50-68 Rap guanine nucleotide exchange factor (GEF) 6 Mus musculus 12-19 27390776-2 2016 Rapgef2 and Rapgef6 constitute a unique family of guanine nucleotide exchange factors for Rap1 small GTPase, which is known to play crucial roles in migration of postmitotic neurons. Guanine Nucleotides 50-68 RAS-related protein 1a Mus musculus 90-94 27182061-2 2016 The PIX proteins, alpha-PIX and beta-PIX (also known as ARHGEF6 and ARHGEF7, respectively), are guanine nucleotide exchange factors (activators) for the Rho family small GTP-binding protein family members Rac1 and Cdc42. Guanine Nucleotides 96-114 Rac/Cdc42 guanine nucleotide exchange factor 6 Homo sapiens 18-27 27274054-3 2016 Here, using the bipolar PLM neurons in Caenorhabditis elegans, we show that the guanine nucleotide exchange factors (GEFs) UNC-73/Trio and TIAM-1 promote anterior and posterior neurite extension, respectively. Guanine Nucleotides 80-98 Uncharacterized protein Caenorhabditis elegans 123-129 27274054-3 2016 Here, using the bipolar PLM neurons in Caenorhabditis elegans, we show that the guanine nucleotide exchange factors (GEFs) UNC-73/Trio and TIAM-1 promote anterior and posterior neurite extension, respectively. Guanine Nucleotides 80-98 DH domain-containing protein Caenorhabditis elegans 139-145 27120804-8 2016 Autophagic regulation of RhoA activity was dependent on GEF-H1, a member of the RhoA family of guanine nucleotide exchange factors. Guanine Nucleotides 95-113 ras homolog family member A Mus musculus 25-29 27120804-8 2016 Autophagic regulation of RhoA activity was dependent on GEF-H1, a member of the RhoA family of guanine nucleotide exchange factors. Guanine Nucleotides 95-113 rho/rac guanine nucleotide exchange factor (GEF) 2 Mus musculus 56-62 27120804-8 2016 Autophagic regulation of RhoA activity was dependent on GEF-H1, a member of the RhoA family of guanine nucleotide exchange factors. Guanine Nucleotides 95-113 ras homolog family member A Mus musculus 80-84 26874054-11 2016 Upon binding AMP and guanine nucleotides a deeper free-energy level stabilized the intermediate-state of the AAC2 hampering the transition to the m-state. Guanine Nucleotides 21-40 solute carrier family 25 member 5 Homo sapiens 109-113 27162341-4 2016 Depletion of BIG1 and/or BIG2 or overexpression of guanine nucleotide-exchange factor inactive mutant, but not wild-type, proteins interfered with beta-catenin trafficking, leading to accumulation at perinuclear Golgi structures. Guanine Nucleotides 51-69 catenin beta 1 Homo sapiens 147-159 27182061-2 2016 The PIX proteins, alpha-PIX and beta-PIX (also known as ARHGEF6 and ARHGEF7, respectively), are guanine nucleotide exchange factors (activators) for the Rho family small GTP-binding protein family members Rac1 and Cdc42. Guanine Nucleotides 96-114 Rho guanine nucleotide exchange factor 7 Homo sapiens 32-40 27182061-2 2016 The PIX proteins, alpha-PIX and beta-PIX (also known as ARHGEF6 and ARHGEF7, respectively), are guanine nucleotide exchange factors (activators) for the Rho family small GTP-binding protein family members Rac1 and Cdc42. Guanine Nucleotides 96-114 Rac/Cdc42 guanine nucleotide exchange factor 6 Homo sapiens 56-63 27182061-2 2016 The PIX proteins, alpha-PIX and beta-PIX (also known as ARHGEF6 and ARHGEF7, respectively), are guanine nucleotide exchange factors (activators) for the Rho family small GTP-binding protein family members Rac1 and Cdc42. Guanine Nucleotides 96-114 Rho guanine nucleotide exchange factor 7 Homo sapiens 68-75 27182061-2 2016 The PIX proteins, alpha-PIX and beta-PIX (also known as ARHGEF6 and ARHGEF7, respectively), are guanine nucleotide exchange factors (activators) for the Rho family small GTP-binding protein family members Rac1 and Cdc42. Guanine Nucleotides 96-114 Rac family small GTPase 1 Homo sapiens 205-209 27182061-2 2016 The PIX proteins, alpha-PIX and beta-PIX (also known as ARHGEF6 and ARHGEF7, respectively), are guanine nucleotide exchange factors (activators) for the Rho family small GTP-binding protein family members Rac1 and Cdc42. Guanine Nucleotides 96-114 cell division cycle 42 Homo sapiens 214-219 27197236-0 2016 The tumor-suppressive small GTPase DiRas1 binds the noncanonical guanine nucleotide exchange factor SmgGDS and antagonizes SmgGDS interactions with oncogenic small GTPases. Guanine Nucleotides 65-83 Rap1 GTPase-GDP dissociation stimulator 1 Homo sapiens 100-106 27197236-0 2016 The tumor-suppressive small GTPase DiRas1 binds the noncanonical guanine nucleotide exchange factor SmgGDS and antagonizes SmgGDS interactions with oncogenic small GTPases. Guanine Nucleotides 65-83 Rap1 GTPase-GDP dissociation stimulator 1 Homo sapiens 123-129 26854595-3 2016 Exchange protein activated by cAMP (EPAC) is a family of guanine nucleotide exchange factors (GEFs) for the small Ras-like GTPases Rap, and is being considered as a vital mediator of cAMP signaling in parallel with the principal cAMP target protein kinase A (PKA). Guanine Nucleotides 57-75 Rap guanine nucleotide exchange factor 3 Rattus norvegicus 36-40 27149377-1 2016 The human genome contains six genes coding for proteins validated in vitro as specific activators of the small GTPases "Ras-related protein Ral-A" and "Ras-related protein Ral-B", generically named Ral-guanine nucleotide exchange factors (RalGEF). Guanine Nucleotides 202-220 RAS like proto-oncogene A Homo sapiens 140-178 27149377-1 2016 The human genome contains six genes coding for proteins validated in vitro as specific activators of the small GTPases "Ras-related protein Ral-A" and "Ras-related protein Ral-B", generically named Ral-guanine nucleotide exchange factors (RalGEF). Guanine Nucleotides 202-220 RAS like proto-oncogene A Homo sapiens 140-143 26854595-3 2016 Exchange protein activated by cAMP (EPAC) is a family of guanine nucleotide exchange factors (GEFs) for the small Ras-like GTPases Rap, and is being considered as a vital mediator of cAMP signaling in parallel with the principal cAMP target protein kinase A (PKA). Guanine Nucleotides 57-75 LDL receptor related protein associated protein 1 Rattus norvegicus 131-134 26854595-3 2016 Exchange protein activated by cAMP (EPAC) is a family of guanine nucleotide exchange factors (GEFs) for the small Ras-like GTPases Rap, and is being considered as a vital mediator of cAMP signaling in parallel with the principal cAMP target protein kinase A (PKA). Guanine Nucleotides 57-75 protein kinase cAMP-activated catalytic subunit alpha Rattus norvegicus 241-257 26854595-3 2016 Exchange protein activated by cAMP (EPAC) is a family of guanine nucleotide exchange factors (GEFs) for the small Ras-like GTPases Rap, and is being considered as a vital mediator of cAMP signaling in parallel with the principal cAMP target protein kinase A (PKA). Guanine Nucleotides 57-75 protein kinase cAMP-activated catalytic subunit alpha Rattus norvegicus 259-262 27109834-2 2016 We previously showed that human Ngb acts as a guanine nucleotide dissociation inhibitor (GDI) for the alpha-subunits of heterotrimeric Gi/o proteins and inhibits the decrease in cAMP concentration, leading to protection against cell death. Guanine Nucleotides 46-64 neuroglobin Homo sapiens 32-35 26794801-1 2016 Eukaryotic translation elongation factor 1 delta (EEF1D) gene encodes guanine nucleotide exchange protein eEF1Bdelta, which participates in the eukaryotic protein synthesis, and plays important roles in regulating cell cycling and milk production. Guanine Nucleotides 70-88 elongation factor 1-delta Capra hircus 0-48 26794801-1 2016 Eukaryotic translation elongation factor 1 delta (EEF1D) gene encodes guanine nucleotide exchange protein eEF1Bdelta, which participates in the eukaryotic protein synthesis, and plays important roles in regulating cell cycling and milk production. Guanine Nucleotides 70-88 elongation factor 1-delta Capra hircus 50-55 26814130-0 2016 The Tumor-suppressive Small GTPase DiRas1 Binds the Noncanonical Guanine Nucleotide Exchange Factor SmgGDS and Antagonizes SmgGDS Interactions with Oncogenic Small GTPases. Guanine Nucleotides 65-83 DIRAS family GTPase 1 Homo sapiens 35-41 26884337-0 2016 Subunit-selective N-Methyl-d-aspartate (NMDA) Receptor Signaling through Brefeldin A-resistant Arf Guanine Nucleotide Exchange Factors BRAG1 and BRAG2 during Synapse Maturation. Guanine Nucleotides 99-117 IQ motif and Sec7 domain 2 Mus musculus 135-140 26884337-0 2016 Subunit-selective N-Methyl-d-aspartate (NMDA) Receptor Signaling through Brefeldin A-resistant Arf Guanine Nucleotide Exchange Factors BRAG1 and BRAG2 during Synapse Maturation. Guanine Nucleotides 99-117 IQ motif and Sec7 domain 1 Mus musculus 145-150 26884337-2 2016 Here we show that NMDARs control the activity of the small GTPase ADP-ribosylation factor 6 (Arf6) by consecutively recruiting two related brefeldin A-resistant Arf guanine nucleotide exchange factors, BRAG1 and BRAG2, in a GluN2 subunit-dependent manner. Guanine Nucleotides 165-183 ADP-ribosylation factor 6 Mus musculus 66-91 26884337-2 2016 Here we show that NMDARs control the activity of the small GTPase ADP-ribosylation factor 6 (Arf6) by consecutively recruiting two related brefeldin A-resistant Arf guanine nucleotide exchange factors, BRAG1 and BRAG2, in a GluN2 subunit-dependent manner. Guanine Nucleotides 165-183 ADP-ribosylation factor 6 Mus musculus 93-97 26884337-2 2016 Here we show that NMDARs control the activity of the small GTPase ADP-ribosylation factor 6 (Arf6) by consecutively recruiting two related brefeldin A-resistant Arf guanine nucleotide exchange factors, BRAG1 and BRAG2, in a GluN2 subunit-dependent manner. Guanine Nucleotides 165-183 IQ motif and Sec7 domain 1 Mus musculus 212-217 27070950-1 2016 Emergence of the cytokinetic Rho zone that orchestrates formation and ingression of the cleavage furrow had been explained previously via microtubule-dependent cortical concentration of Ect2, a guanine nucleotide exchange factor for Rho. Guanine Nucleotides 194-212 epithelial cell transforming 2 Homo sapiens 186-190 27015411-4 2016 From a dominant loss-of-function genetic screen, we discovered that mutations of a Dbl-family member, the guanine nucleotide exchange factor DRhoGEF2 (DRhoGEF22(l)04291), suppressed the PTEN-overexpression eye phenotype. Guanine Nucleotides 106-124 Rho guanine nucleotide exchange factor 2 Drosophila melanogaster 141-149 27015411-4 2016 From a dominant loss-of-function genetic screen, we discovered that mutations of a Dbl-family member, the guanine nucleotide exchange factor DRhoGEF2 (DRhoGEF22(l)04291), suppressed the PTEN-overexpression eye phenotype. Guanine Nucleotides 106-124 Rho guanine nucleotide exchange factor 2 Drosophila melanogaster 151-168 27015411-4 2016 From a dominant loss-of-function genetic screen, we discovered that mutations of a Dbl-family member, the guanine nucleotide exchange factor DRhoGEF2 (DRhoGEF22(l)04291), suppressed the PTEN-overexpression eye phenotype. Guanine Nucleotides 106-124 Phosphatase and tensin homolog Drosophila melanogaster 186-190 27150042-1 2016 Phosphatidylinositol 3,4,5-trisphosphate (PIP3)-dependent Rac exchanger 1 (P-Rex1) is a Rho guanine nucleotide exchange factor synergistically activated by PIP3 and Gbetagamma that plays an important role in the metastasis of breast, prostate, and skin cancer, making it an attractive therapeutic target. Guanine Nucleotides 92-110 phosphatidylinositol-3,4,5-trisphosphate dependent Rac exchange factor 1 Homo sapiens 75-81 26814130-0 2016 The Tumor-suppressive Small GTPase DiRas1 Binds the Noncanonical Guanine Nucleotide Exchange Factor SmgGDS and Antagonizes SmgGDS Interactions with Oncogenic Small GTPases. Guanine Nucleotides 65-83 Rap1 GTPase-GDP dissociation stimulator 1 Homo sapiens 100-106 26814130-0 2016 The Tumor-suppressive Small GTPase DiRas1 Binds the Noncanonical Guanine Nucleotide Exchange Factor SmgGDS and Antagonizes SmgGDS Interactions with Oncogenic Small GTPases. Guanine Nucleotides 65-83 Rap1 GTPase-GDP dissociation stimulator 1 Homo sapiens 123-129 26814130-5 2016 SmgGDS is a guanine nucleotide exchange factor for RhoA, but we report here that SmgGDS does not mediate GDP/GTP exchange on DiRas1. Guanine Nucleotides 12-30 Rap1 GTPase-GDP dissociation stimulator 1 Homo sapiens 0-6 27462445-4 2016 Amino acid sufficiency is communicated to TORC1 via the highly conserved family of Rag GTPases, which assemble as heterodimeric complexes on lysosomal/vacuolar membranes and are regulated by their guanine nucleotide loading status. Guanine Nucleotides 197-215 CREB regulated transcription coactivator 1 Homo sapiens 42-47 26759237-5 2016 Mechanistic investigations revealed that RASSF1A blocked tumor growth by stimulating cofilin/PP2A-mediated dephosphorylation of the guanine nucleotide exchange factor GEF-H1, thereby stimulating its ability to activate the antimetastatic small GTPase RhoB. Guanine Nucleotides 132-150 Ras association domain family member 1 Homo sapiens 41-48 26759237-5 2016 Mechanistic investigations revealed that RASSF1A blocked tumor growth by stimulating cofilin/PP2A-mediated dephosphorylation of the guanine nucleotide exchange factor GEF-H1, thereby stimulating its ability to activate the antimetastatic small GTPase RhoB. Guanine Nucleotides 132-150 cofilin 1 Homo sapiens 85-92 26759237-5 2016 Mechanistic investigations revealed that RASSF1A blocked tumor growth by stimulating cofilin/PP2A-mediated dephosphorylation of the guanine nucleotide exchange factor GEF-H1, thereby stimulating its ability to activate the antimetastatic small GTPase RhoB. Guanine Nucleotides 132-150 protein phosphatase 2 phosphatase activator Homo sapiens 93-97 26759237-5 2016 Mechanistic investigations revealed that RASSF1A blocked tumor growth by stimulating cofilin/PP2A-mediated dephosphorylation of the guanine nucleotide exchange factor GEF-H1, thereby stimulating its ability to activate the antimetastatic small GTPase RhoB. Guanine Nucleotides 132-150 Rho/Rac guanine nucleotide exchange factor 2 Homo sapiens 167-173 26759237-5 2016 Mechanistic investigations revealed that RASSF1A blocked tumor growth by stimulating cofilin/PP2A-mediated dephosphorylation of the guanine nucleotide exchange factor GEF-H1, thereby stimulating its ability to activate the antimetastatic small GTPase RhoB. Guanine Nucleotides 132-150 ras homolog family member B Homo sapiens 251-255 26719334-6 2016 We discover that lysine acetylation impairs Rho protein binding and increases guanine nucleotide exchange factor-catalyzed nucleotide exchange on RhoA, these two functions being prerequisites to constitute a bona fide GDI displacement factor. Guanine Nucleotides 78-96 ras homolog family member A Homo sapiens 146-150 27022630-6 2016 As the Drosophila homologue of mammalian DENN/MADD and Caenorhabditis elegans AEX-3, Rab3-GEF is a guanine nucleotide exchange factor (GEF) for Rab3 that stimulates GDP to GTP exchange. Guanine Nucleotides 99-117 MAP kinase activating death domain Homo sapiens 41-45 27022630-6 2016 As the Drosophila homologue of mammalian DENN/MADD and Caenorhabditis elegans AEX-3, Rab3-GEF is a guanine nucleotide exchange factor (GEF) for Rab3 that stimulates GDP to GTP exchange. Guanine Nucleotides 99-117 MAP kinase activating death domain Homo sapiens 46-50 27022630-6 2016 As the Drosophila homologue of mammalian DENN/MADD and Caenorhabditis elegans AEX-3, Rab3-GEF is a guanine nucleotide exchange factor (GEF) for Rab3 that stimulates GDP to GTP exchange. Guanine Nucleotides 99-117 MAP kinase-activating death domain protein Caenorhabditis elegans 78-83 27022630-6 2016 As the Drosophila homologue of mammalian DENN/MADD and Caenorhabditis elegans AEX-3, Rab3-GEF is a guanine nucleotide exchange factor (GEF) for Rab3 that stimulates GDP to GTP exchange. Guanine Nucleotides 99-117 Rab3 Drosophila melanogaster 85-89 27022630-6 2016 As the Drosophila homologue of mammalian DENN/MADD and Caenorhabditis elegans AEX-3, Rab3-GEF is a guanine nucleotide exchange factor (GEF) for Rab3 that stimulates GDP to GTP exchange. Guanine Nucleotides 99-117 Rho guanine nucleotide exchange factor at 64C Drosophila melanogaster 90-93 27022630-6 2016 As the Drosophila homologue of mammalian DENN/MADD and Caenorhabditis elegans AEX-3, Rab3-GEF is a guanine nucleotide exchange factor (GEF) for Rab3 that stimulates GDP to GTP exchange. Guanine Nucleotides 99-117 Rho guanine nucleotide exchange factor at 64C Drosophila melanogaster 135-138 27022630-6 2016 As the Drosophila homologue of mammalian DENN/MADD and Caenorhabditis elegans AEX-3, Rab3-GEF is a guanine nucleotide exchange factor (GEF) for Rab3 that stimulates GDP to GTP exchange. Guanine Nucleotides 99-117 Ras-related protein Rab-3 Caenorhabditis elegans 144-148 26961657-6 2016 PRK6 interacted with pollen-expressed ROPGEFs (Rho of plant guanine nucleotide-exchange factors), which are important for pollen tube growth through activation of the signalling switch Rho GTPase ROP1 (refs 7, 8). Guanine Nucleotides 60-78 Leucine-rich repeat protein kinase family protein Arabidopsis thaliana 0-4 26961657-6 2016 PRK6 interacted with pollen-expressed ROPGEFs (Rho of plant guanine nucleotide-exchange factors), which are important for pollen tube growth through activation of the signalling switch Rho GTPase ROP1 (refs 7, 8). Guanine Nucleotides 60-78 RHO-related protein from plants 1 Arabidopsis thaliana 196-200 26887924-0 2016 Differential Rac1 signalling by guanine nucleotide exchange factors implicates FLII in regulating Rac1-driven cell migration. Guanine Nucleotides 32-50 Rac family small GTPase 1 Homo sapiens 13-17 26887924-0 2016 Differential Rac1 signalling by guanine nucleotide exchange factors implicates FLII in regulating Rac1-driven cell migration. Guanine Nucleotides 32-50 FLII actin remodeling protein Homo sapiens 79-83 26890939-9 2016 Moreover, a Rich null mutation phenocopies the Rab6 null mutant, indicating that Rich functions as a guanine nucleotide exchange factor for Rab6. Guanine Nucleotides 101-119 Rab6 Drosophila melanogaster 47-51 26890939-9 2016 Moreover, a Rich null mutation phenocopies the Rab6 null mutant, indicating that Rich functions as a guanine nucleotide exchange factor for Rab6. Guanine Nucleotides 101-119 Rab6 Drosophila melanogaster 140-144 26887924-0 2016 Differential Rac1 signalling by guanine nucleotide exchange factors implicates FLII in regulating Rac1-driven cell migration. Guanine Nucleotides 32-50 Rac family small GTPase 1 Homo sapiens 98-102 26761128-8 2016 We observe that the catalytic domain of GDP-bound K-Ras4A has a more exposed nucleotide binding pocket than K-Ras4B, and the dynamic fluctuations in switch I and II regions also differ; both factors may influence guanine-nucleotide exchange. Guanine Nucleotides 213-231 KRAS proto-oncogene, GTPase Homo sapiens 50-57 26542736-0 2016 Guanine nucleotide induced conformational change of Cdc42 revealed by hydrogen/deuterium exchange mass spectrometry. Guanine Nucleotides 0-18 cell division cycle 42 Homo sapiens 52-57 26867649-1 2016 K-Ras4B is a small GTPase that belongs to the Ras superfamily of guanine nucleotide-binding proteins. Guanine Nucleotides 65-83 KRAS proto-oncogene, GTPase Homo sapiens 0-7 26705305-4 2016 The suppression of eIF2alpha phosphorylation via MPT synthase and ATAC prevented sequestration of the guanine nucleotide exchange factor eIF2B, which recycles eIF2-GDP to eIF2-GTP, resulting in the promotion of translation initiation. Guanine Nucleotides 102-120 eukaryotic translation initiation factor 2A Homo sapiens 19-28 26705305-4 2016 The suppression of eIF2alpha phosphorylation via MPT synthase and ATAC prevented sequestration of the guanine nucleotide exchange factor eIF2B, which recycles eIF2-GDP to eIF2-GTP, resulting in the promotion of translation initiation. Guanine Nucleotides 102-120 eukaryotic translation initiation factor 2B subunit delta Homo sapiens 137-142 26705305-4 2016 The suppression of eIF2alpha phosphorylation via MPT synthase and ATAC prevented sequestration of the guanine nucleotide exchange factor eIF2B, which recycles eIF2-GDP to eIF2-GTP, resulting in the promotion of translation initiation. Guanine Nucleotides 102-120 eukaryotic translation initiation factor 2 subunit beta Homo sapiens 19-23 26705305-4 2016 The suppression of eIF2alpha phosphorylation via MPT synthase and ATAC prevented sequestration of the guanine nucleotide exchange factor eIF2B, which recycles eIF2-GDP to eIF2-GTP, resulting in the promotion of translation initiation. Guanine Nucleotides 102-120 eukaryotic translation initiation factor 2 subunit beta Homo sapiens 137-141 26687416-0 2016 The structure of the Guanine Nucleotide Exchange Factor Rlf in complex with the small G-protein Ral identifies conformational intermediates of the exchange reaction and the basis for the selectivity. Guanine Nucleotides 21-39 RLF zinc finger Homo sapiens 56-59 26687416-0 2016 The structure of the Guanine Nucleotide Exchange Factor Rlf in complex with the small G-protein Ral identifies conformational intermediates of the exchange reaction and the basis for the selectivity. Guanine Nucleotides 21-39 RAS like proto-oncogene A Homo sapiens 96-99 26627821-4 2016 It has only recently been accepted that the Mon1-Ccz1 complex is a Rab7 guanine nucleotide exchange factor, but it still remains unclear what the location where Mon1-Ccz1 works with Rab7 is. Guanine Nucleotides 72-90 CCZ1 homolog, vacuolar protein trafficking and biogenesis associated Homo sapiens 49-53 26627821-4 2016 It has only recently been accepted that the Mon1-Ccz1 complex is a Rab7 guanine nucleotide exchange factor, but it still remains unclear what the location where Mon1-Ccz1 works with Rab7 is. Guanine Nucleotides 72-90 RAB7B, member RAS oncogene family Homo sapiens 67-71 26627821-4 2016 It has only recently been accepted that the Mon1-Ccz1 complex is a Rab7 guanine nucleotide exchange factor, but it still remains unclear what the location where Mon1-Ccz1 works with Rab7 is. Guanine Nucleotides 72-90 CCZ1 homolog, vacuolar protein trafficking and biogenesis associated Homo sapiens 166-170 26804993-4 2016 We found that PKA phosphorylation of Rasgrp2 activated its guanine nucleotide-exchange activity on Rap1. Guanine Nucleotides 59-77 RAS, guanyl releasing protein 2 Mus musculus 37-44 26804993-4 2016 We found that PKA phosphorylation of Rasgrp2 activated its guanine nucleotide-exchange activity on Rap1. Guanine Nucleotides 59-77 RAS-related protein 1a Mus musculus 99-103 26587907-2 2016 eEF1Balpha functions as a catalyst of guanine nucleotide exchange on translation elongation factor 1A (eEF1A). Guanine Nucleotides 38-56 eukaryotic translation elongation factor 1 alpha 1 Homo sapiens 103-108 26587907-7 2016 Truncation of the N-terminal domain of eEF1Balpha, which is dispensable for catalytic activity, resulted in acceleration of the rate of guanine nucleotide exchange on eEF1A compared to full-length eEF1Balpha. Guanine Nucleotides 136-154 eukaryotic translation elongation factor 1 alpha 1 Homo sapiens 167-172 26587907-9 2016 We suggest that the non-catalytic N-terminal domain of eEF1Balpha may interfere with eEF1A binding to the C-terminal catalytic domain, resulting in a decrease in the overall rate of the guanine nucleotide exchange reaction. Guanine Nucleotides 186-204 eukaryotic translation elongation factor 1 alpha 1 Homo sapiens 85-90 26818503-7 2016 In terms of the signaling pathway(s) used by the repulsive receptors, mutations in the guanine nucleotide exchange factor Trio strongly enhance the repulsive activity of all three intracellular domains, suggesting that repulsion by Unc5, Robo, and Drl, and perhaps repulsion in general, involves Trio activity. Guanine Nucleotides 87-105 trio Drosophila melanogaster 122-126 26818503-7 2016 In terms of the signaling pathway(s) used by the repulsive receptors, mutations in the guanine nucleotide exchange factor Trio strongly enhance the repulsive activity of all three intracellular domains, suggesting that repulsion by Unc5, Robo, and Drl, and perhaps repulsion in general, involves Trio activity. Guanine Nucleotides 87-105 unc-5 Drosophila melanogaster 232-236 26818503-7 2016 In terms of the signaling pathway(s) used by the repulsive receptors, mutations in the guanine nucleotide exchange factor Trio strongly enhance the repulsive activity of all three intracellular domains, suggesting that repulsion by Unc5, Robo, and Drl, and perhaps repulsion in general, involves Trio activity. Guanine Nucleotides 87-105 roundabout 1 Drosophila melanogaster 238-242 26818503-7 2016 In terms of the signaling pathway(s) used by the repulsive receptors, mutations in the guanine nucleotide exchange factor Trio strongly enhance the repulsive activity of all three intracellular domains, suggesting that repulsion by Unc5, Robo, and Drl, and perhaps repulsion in general, involves Trio activity. Guanine Nucleotides 87-105 derailed Drosophila melanogaster 248-251 26818503-7 2016 In terms of the signaling pathway(s) used by the repulsive receptors, mutations in the guanine nucleotide exchange factor Trio strongly enhance the repulsive activity of all three intracellular domains, suggesting that repulsion by Unc5, Robo, and Drl, and perhaps repulsion in general, involves Trio activity. Guanine Nucleotides 87-105 trio Drosophila melanogaster 296-300 26564799-1 2016 RCC1, a guanine nucleotide exchange factor of the small GTPase Ran, plays various roles throughout the cell cycle. Guanine Nucleotides 8-26 regulator of chromosome condensation 1 Gallus gallus 0-4 26564799-1 2016 RCC1, a guanine nucleotide exchange factor of the small GTPase Ran, plays various roles throughout the cell cycle. Guanine Nucleotides 8-26 RAN, member RAS oncogene family Gallus gallus 63-66 26466753-1 2016 Recently, a family of guanine nucleotide exchange factors have been identified in many cell types as important effectors of cyclic adenosine 3",5"-monophospahte (cAMP) signalling that is independent of protein kinase A (PKA). Guanine Nucleotides 22-40 cathelicidin antimicrobial peptide Rattus norvegicus 162-166 26466753-1 2016 Recently, a family of guanine nucleotide exchange factors have been identified in many cell types as important effectors of cyclic adenosine 3",5"-monophospahte (cAMP) signalling that is independent of protein kinase A (PKA). Guanine Nucleotides 22-40 protein kinase cAMP-activated catalytic subunit alpha Rattus norvegicus 220-223 26483385-5 2015 Knockdown of p114RhoGEF (also known as ARHGEF18), a guanine nucleotide exchange factor for RhoA, did not perturb the early stages of tubulogenesis induced by HGF. Guanine Nucleotides 52-70 rho guanine nucleotide exchange factor 18 Canis lupus familiaris 39-47 26446352-3 2016 Guanylate kinase (GMPK) is an essential enzyme involved in the guanine nucleotide metabolism of unicellular and multicellular organisms. Guanine Nucleotides 63-81 guanylate kinase 1 Homo sapiens 0-16 26445410-2 2015 Prototypic for this group of glycosyltransferase toxins are Clostridium difficile toxins A and B, which modify guanine nucleotide-binding proteins of the Rho family. Guanine Nucleotides 111-129 glycosyl transferase Escherichia coli 29-48 26546974-7 2016 These data suggest that IMPDH2 mediated guanine nucleotide synthesis is essential for normal development of the ENS and other neural crest derivatives. Guanine Nucleotides 40-58 inosine monophosphate dehydrogenase 2 Mus musculus 24-30 26453745-1 2016 AtCYP19-4 (also known as CYP5) was previously identified as interacting in vitro with GNOM, a member of a large family of ARF guanine nucleotide exchange factors that is required for proper polar localization of the auxin efflux carrier PIN1. Guanine Nucleotides 126-144 cyclophilin 5 Arabidopsis thaliana 0-9 26506309-3 2015 Here, we identify the RAB-11-interacting protein-1 (REI-1) as a unique family of guanine nucleotide exchange factors (GEFs) for RAB-11 in Caenorhabditis elegans. Guanine Nucleotides 81-99 Guanine nucleotide exchange factor rei-1 Caenorhabditis elegans 22-57 26458406-9 2015 NEDD4-1 promotes the migration and invasion of glioma cells via the ubiquitination and subsequent degradation of cyclic nucleotide-Ras guanine nucleotide exchange factors (CNrasGEFs). Guanine Nucleotides 135-153 NEDD4 E3 ubiquitin protein ligase Homo sapiens 0-7 26503427-0 2015 Activation of the Small G Protein Arf6 by Dynamin2 through Guanine Nucleotide Exchange Factors in Endocytosis. Guanine Nucleotides 59-77 ADP ribosylation factor 6 Homo sapiens 34-38 26503427-0 2015 Activation of the Small G Protein Arf6 by Dynamin2 through Guanine Nucleotide Exchange Factors in Endocytosis. Guanine Nucleotides 59-77 dynamin 2 Homo sapiens 42-50 26503427-5 2015 Of the Arf6-specific guanine nucleotide exchange factors, EFA6A, EFA6B, and EFA6D specifically interact with Dyn2. Guanine Nucleotides 21-39 ADP ribosylation factor 6 Homo sapiens 7-11 26503427-5 2015 Of the Arf6-specific guanine nucleotide exchange factors, EFA6A, EFA6B, and EFA6D specifically interact with Dyn2. Guanine Nucleotides 21-39 pleckstrin and Sec7 domain containing Homo sapiens 58-63 26426338-0 2015 Rad and Rem are non-canonical G-proteins with respect to the regulatory role of guanine nucleotide binding in Ca(V)1.2 channel regulation. Guanine Nucleotides 80-98 RRAD, Ras related glycolysis inhibitor and calcium channel regulator Homo sapiens 0-3 26426338-0 2015 Rad and Rem are non-canonical G-proteins with respect to the regulatory role of guanine nucleotide binding in Ca(V)1.2 channel regulation. Guanine Nucleotides 80-98 immunoglobulin lambda variable 2-8 Homo sapiens 110-118 26426338-3 2015 As in other Ras-like G-proteins, Rad and Rem contain a conserved guanine-nucleotide binding domain (G-domain). Guanine Nucleotides 65-83 RRAD, Ras related glycolysis inhibitor and calcium channel regulator Homo sapiens 33-36 26627240-4 2015 Two related guanine nucleotide exchange factors (GEFs), PDZ-RhoGEF and leukemia-associated RhoGEF (LARG), use their PDZ domains to bind class B plexins and play critical roles in signaling. Guanine Nucleotides 12-30 Rho guanine nucleotide exchange factor 11 Homo sapiens 56-66 26627240-4 2015 Two related guanine nucleotide exchange factors (GEFs), PDZ-RhoGEF and leukemia-associated RhoGEF (LARG), use their PDZ domains to bind class B plexins and play critical roles in signaling. Guanine Nucleotides 12-30 Rho guanine nucleotide exchange factor 12 Homo sapiens 71-97 26627240-4 2015 Two related guanine nucleotide exchange factors (GEFs), PDZ-RhoGEF and leukemia-associated RhoGEF (LARG), use their PDZ domains to bind class B plexins and play critical roles in signaling. Guanine Nucleotides 12-30 Rho guanine nucleotide exchange factor 12 Homo sapiens 99-103 26173643-4 2015 Here, we report that missense mutations altering Son of Sevenless, Drosophila, homolog 2 (SOS2), which encodes a RAS guanine nucleotide exchange factor, occur in a small percentage of subjects with NS. Guanine Nucleotides 117-135 Son of sevenless Drosophila melanogaster 49-88 26503427-5 2015 Of the Arf6-specific guanine nucleotide exchange factors, EFA6A, EFA6B, and EFA6D specifically interact with Dyn2. Guanine Nucleotides 21-39 pleckstrin and Sec7 domain containing 4 Homo sapiens 65-70 29124214-1 2015 Guanosine monophosphate synthetase (GMPS), encoded by guaA gene, is a key enzyme for guanine nucleotide biosynthesis in Mycobacterium tuberculosis. Guanine Nucleotides 85-103 GMP synthase Mycobacterium tuberculosis H37Rv 54-58 26503427-5 2015 Of the Arf6-specific guanine nucleotide exchange factors, EFA6A, EFA6B, and EFA6D specifically interact with Dyn2. Guanine Nucleotides 21-39 pleckstrin and Sec7 domain containing 3 Homo sapiens 76-81 26503427-5 2015 Of the Arf6-specific guanine nucleotide exchange factors, EFA6A, EFA6B, and EFA6D specifically interact with Dyn2. Guanine Nucleotides 21-39 dynamin 2 Homo sapiens 109-113 26487707-0 2015 Mode of interaction of the Galphao subunit of heterotrimeric G proteins with the GoLoco1 motif of Drosophila Pins is determined by guanine nucleotides. Guanine Nucleotides 131-150 G protein alpha o subunit Drosophila melanogaster 27-34 26119090-1 2015 Mammalian exchange protein directly activated by cAMP isoform 1 (EPAC1), encoded by the RAPGEF3 gene, is one of the two-membered family of cAMP sensors that mediate the intracellular functions of cAMP by acting as guanine nucleotide exchange factors for the Ras-like Rap small GTPases. Guanine Nucleotides 214-232 Rap guanine nucleotide exchange factor 3 Homo sapiens 65-70 26119090-1 2015 Mammalian exchange protein directly activated by cAMP isoform 1 (EPAC1), encoded by the RAPGEF3 gene, is one of the two-membered family of cAMP sensors that mediate the intracellular functions of cAMP by acting as guanine nucleotide exchange factors for the Ras-like Rap small GTPases. Guanine Nucleotides 214-232 Rap guanine nucleotide exchange factor 3 Homo sapiens 88-95 26446225-14 2015 In particular, the roles of Rac and its regulators, such as Rac-specific GTPase-activating proteins (RacGAPs) and Rac guanine nucleotide exchange factors, are a topic of focus in spine morphogenesis and cognitive ability. Guanine Nucleotides 118-136 thymoma viral proto-oncogene 1 Mus musculus 28-31 26306008-4 2015 A non-synonymous variant of FGD3 was identified as a positional candidate quantitative trait nucleotide (QTN) and the corresponding mutant protein showed reduced activity as a guanine nucleotide exchange factor for Cdc42. Guanine Nucleotides 176-194 FYVE, RhoGEF and PH domain containing 3 Bos taurus 28-32 26246084-4 2015 Here we show that in knockout mice lacking the guanine nucleotide exchange factor, RasGRF1, habituation to 30 min/day of restraint stress is markedly accelerated, such that these mice do not display elevated corticosterone levels or enhanced locomotion after 7 days of stress exposure, like WT mice do. Guanine Nucleotides 47-65 RAS protein-specific guanine nucleotide-releasing factor 1 Mus musculus 83-90 26252733-3 2015 Mutant variants of Rac/Rop GTPases lacking specific functions are important tools to investigate these mechanisms, and have been employed to develop a model suggesting that RhoGAP (GTPase activating protein) and RhoGDI (Guanine Nucleotide Dissociation Inhibitor) mediated recycling of Rac/Rop GTPases maintains apical polarization of Rac/Rop activity in pollen tubes, which elongate by "tip growth" (an extreme form of polar cell growth). Guanine Nucleotides 220-238 rho GDP-dissociation inhibitor 1-like Nicotiana tabacum 212-218 26322553-0 2015 Catching Functional Modes and Structural Communication in Dbl Family Rho Guanine Nucleotide Exchange Factors. Guanine Nucleotides 73-91 MCF.2 cell line derived transforming sequence Homo sapiens 58-61 26322553-2 2015 In this study, these approaches have been coupled to the graph theory-based Protein Structure Network (PSN) analysis to dissect functional dynamics and structural communication in the Dbl family of Rho Guanine Nucleotide Exchange Factors (RhoGEFs). Guanine Nucleotides 202-220 MCF.2 cell line derived transforming sequence Homo sapiens 184-187 26043892-4 2015 Genetic knockout of GMPS in bloodstream parasites led to depletion of guanine nucleotide pools and was lethal. Guanine Nucleotides 70-88 guanine monophosphate synthetase Mus musculus 20-24 26306008-4 2015 A non-synonymous variant of FGD3 was identified as a positional candidate quantitative trait nucleotide (QTN) and the corresponding mutant protein showed reduced activity as a guanine nucleotide exchange factor for Cdc42. Guanine Nucleotides 176-194 cell division cycle 42 Bos taurus 215-220 26112412-1 2015 The P-Rex (phosphatidylinositol (3,4,5)-trisphosphate (PIP3)-dependent Rac exchanger) family (P-Rex1 and P-Rex2) of the Rho guanine nucleotide exchange factors (Rho GEFs) activate Rac GTPases to regulate cell migration, invasion, and metastasis in several human cancers. Guanine Nucleotides 124-142 phosphatidylinositol-3,4,5-trisphosphate dependent Rac exchange factor 1 Homo sapiens 94-100 26112412-1 2015 The P-Rex (phosphatidylinositol (3,4,5)-trisphosphate (PIP3)-dependent Rac exchanger) family (P-Rex1 and P-Rex2) of the Rho guanine nucleotide exchange factors (Rho GEFs) activate Rac GTPases to regulate cell migration, invasion, and metastasis in several human cancers. Guanine Nucleotides 124-142 phosphatidylinositol-3,4,5-trisphosphate dependent Rac exchange factor 2 Homo sapiens 105-111 26149690-0 2015 Di-Ras2 Protein Forms a Complex with SmgGDS Protein in Brain Cytosol in Order to Be in a Low Affinity State for Guanine Nucleotides. Guanine Nucleotides 112-131 DIRAS family GTPase 2 Rattus norvegicus 0-7 26285592-6 2015 Assays of the guanine nucleotide exchange (GEF) activity were also carried out. Guanine Nucleotides 14-32 Rho/Rac guanine nucleotide exchange factor 2 Homo sapiens 43-46 26302791-5 2015 Further genetic data indicate that Wnt5 promotes dendrite termination on the periphery of sternites through the Ryk receptor family kinase Derailed (Drl) and the Rho GTPase guanine nucleotide exchange factor Trio in C4da neurons. Guanine Nucleotides 173-191 Wnt oncogene analog 5 Drosophila melanogaster 35-39 26302791-5 2015 Further genetic data indicate that Wnt5 promotes dendrite termination on the periphery of sternites through the Ryk receptor family kinase Derailed (Drl) and the Rho GTPase guanine nucleotide exchange factor Trio in C4da neurons. Guanine Nucleotides 173-191 trio Drosophila melanogaster 208-212 26149690-4 2015 Biochemical analysis of Di-Ras1/Di-Ras2 has revealed that they have little GTPase activity and that their intrinsic guanine-nucleotide exchange rates are much faster than that of H-Ras. Guanine Nucleotides 116-134 DIRAS family GTPase 1 Rattus norvegicus 24-31 26149690-4 2015 Biochemical analysis of Di-Ras1/Di-Ras2 has revealed that they have little GTPase activity and that their intrinsic guanine-nucleotide exchange rates are much faster than that of H-Ras. Guanine Nucleotides 116-134 DIRAS family GTPase 2 Rattus norvegicus 32-39 26149690-8 2015 SmgGDS is a guanine nucleotide exchange factor with multiple armadillo repeats and has recently been shown to specifically activate RhoA and RhoC. Guanine Nucleotides 12-30 ras homolog family member A Rattus norvegicus 132-136 26149690-8 2015 SmgGDS is a guanine nucleotide exchange factor with multiple armadillo repeats and has recently been shown to specifically activate RhoA and RhoC. Guanine Nucleotides 12-30 ras homolog family member C Rattus norvegicus 141-145 26149690-9 2015 In contrast to the effect on RhoA, SmgGDS does not act as a guanine nucleotide exchange factor for Di-Ras2 but instead tightly associates with Di-Ras2 to reduce its binding affinity for guanine nucleotides. Guanine Nucleotides 186-205 DIRAS family GTPase 2 Rattus norvegicus 143-150 26149690-12 2015 We thus propose that isoprenylated Di-Ras2 forms a tight complex with SmgGDS in cytosol immediately after its synthesis, which lowers its affinity for guanine nucleotides. Guanine Nucleotides 151-170 DIRAS family GTPase 2 Rattus norvegicus 35-42 25787272-0 2015 Rabin8 suppresses autophagosome formation independently of its guanine nucleotide-exchange activity towards Rab8. Guanine Nucleotides 63-81 RAB3A interacting protein Homo sapiens 0-6 26151319-1 2015 Exchange proteins directly activated by cAMP (EPAC) as guanine nucleotide exchange factors mediate the effects of the pivotal second messenger cAMP, thereby regulating a wide variety of intracellular physiological and pathophysiological processes. Guanine Nucleotides 55-73 Rap guanine nucleotide exchange factor 3 Homo sapiens 46-50 26055712-1 2015 Connecdenn 1/2 are DENN (differentially expressed in normal and neoplastic cells) domain-bearing proteins that function as GEFs (guanine nucleotide exchange factors) for the small GTPase Rab35. Guanine Nucleotides 129-147 DENN domain containing 1A Homo sapiens 0-14 26321268-3 2015 Furthermore, AMPD permits the synthesis of guanine nucleotides from the larger adenylate pool. Guanine Nucleotides 43-62 adenosine monophosphate deaminase 1 Homo sapiens 13-17 26101257-1 2015 The HIV-1 restriction factor SAMHD1 is a tetrameric enzyme activated by guanine nucleotides with dNTP triphosphate hydrolase activity (dNTPase). Guanine Nucleotides 72-91 SAM and HD domain containing deoxynucleoside triphosphate triphosphohydrolase 1 Homo sapiens 29-35 26101257-1 2015 The HIV-1 restriction factor SAMHD1 is a tetrameric enzyme activated by guanine nucleotides with dNTP triphosphate hydrolase activity (dNTPase). Guanine Nucleotides 72-91 NTPase Drosophila melanogaster 135-142 25991726-0 2015 Defective Guanine Nucleotide Exchange in the Elongation Factor-like 1 (EFL1) GTPase by Mutations in the Shwachman-Diamond Syndrome Protein. Guanine Nucleotides 10-28 elongation factor like GTPase 1 Homo sapiens 45-69 25991726-0 2015 Defective Guanine Nucleotide Exchange in the Elongation Factor-like 1 (EFL1) GTPase by Mutations in the Shwachman-Diamond Syndrome Protein. Guanine Nucleotides 10-28 elongation factor like GTPase 1 Homo sapiens 71-75 25991726-4 2015 Here we report a kinetic analysis of fluorescent guanine nucleotides binding to EFL1 alone and in the presence of SBDS using fluorescence stopped-flow spectroscopy. Guanine Nucleotides 49-68 elongation factor like GTPase 1 Homo sapiens 80-84 25991726-4 2015 Here we report a kinetic analysis of fluorescent guanine nucleotides binding to EFL1 alone and in the presence of SBDS using fluorescence stopped-flow spectroscopy. Guanine Nucleotides 49-68 SBDS ribosome maturation factor Homo sapiens 114-118 25991726-6 2015 Furthermore, the same behavior was observed in the presence of the SBDS protein irrespective of the guanine nucleotide evaluated. Guanine Nucleotides 100-118 SBDS ribosome maturation factor Homo sapiens 67-71 26190758-4 2015 In zebrafish ZF4 cells, Afp18(G) depolymerizes actin stress fibres by mono-O-GlcNAcylation of RhoA at tyrosine-34; thereby Afp18(G) inhibits RhoA activation by guanine nucleotide exchange factors, and blocks RhoA, but not Rac and Cdc42 downstream signalling. Guanine Nucleotides 160-178 ras homolog gene family, member Ab Danio rerio 94-98 26190758-4 2015 In zebrafish ZF4 cells, Afp18(G) depolymerizes actin stress fibres by mono-O-GlcNAcylation of RhoA at tyrosine-34; thereby Afp18(G) inhibits RhoA activation by guanine nucleotide exchange factors, and blocks RhoA, but not Rac and Cdc42 downstream signalling. Guanine Nucleotides 160-178 ras homolog gene family, member Ab Danio rerio 141-145 26190758-4 2015 In zebrafish ZF4 cells, Afp18(G) depolymerizes actin stress fibres by mono-O-GlcNAcylation of RhoA at tyrosine-34; thereby Afp18(G) inhibits RhoA activation by guanine nucleotide exchange factors, and blocks RhoA, but not Rac and Cdc42 downstream signalling. Guanine Nucleotides 160-178 ras homolog gene family, member Ab Danio rerio 141-145 26190758-4 2015 In zebrafish ZF4 cells, Afp18(G) depolymerizes actin stress fibres by mono-O-GlcNAcylation of RhoA at tyrosine-34; thereby Afp18(G) inhibits RhoA activation by guanine nucleotide exchange factors, and blocks RhoA, but not Rac and Cdc42 downstream signalling. Guanine Nucleotides 160-178 cell division cycle 42 Danio rerio 230-235 26055712-1 2015 Connecdenn 1/2 are DENN (differentially expressed in normal and neoplastic cells) domain-bearing proteins that function as GEFs (guanine nucleotide exchange factors) for the small GTPase Rab35. Guanine Nucleotides 129-147 MAP kinase activating death domain Homo sapiens 19-23 26055712-1 2015 Connecdenn 1/2 are DENN (differentially expressed in normal and neoplastic cells) domain-bearing proteins that function as GEFs (guanine nucleotide exchange factors) for the small GTPase Rab35. Guanine Nucleotides 129-147 RAB35, member RAS oncogene family Homo sapiens 187-192 26056138-5 2015 We found that KCC2, through interaction with the b isoform of Rac/Cdc42 guanine nucleotide exchange factor beta-PIX, regulates the activity of Rac1 GTPase and the phosphorylation of one of the major actin-regulating proteins, cofilin-1. Guanine Nucleotides 72-90 solute carrier family 12 member 5 Homo sapiens 14-18 26134648-2 2015 In this study, we have created a novel mouse model of human autism caused by the insertion of a single guanine nucleotide into exon 21 (Shank3(G)). Guanine Nucleotides 103-121 SH3 and multiple ankyrin repeat domains 3 Mus musculus 136-142 26061564-7 2015 Novel effects of Rp-8-Br-cAMPS-pAB to block the activation of cAMP-regulated guanine nucleotide exchange factors (Epac1, Epac2) are also validated using genetically encoded Epac biosensors, and are independently confirmed in an in vitro Rap1 activation assay using Rp-cAMPS and Rp-8-Br-cAMPS. Guanine Nucleotides 77-95 calmodulin 2, pseudogene 1 Rattus norvegicus 25-30 26061564-7 2015 Novel effects of Rp-8-Br-cAMPS-pAB to block the activation of cAMP-regulated guanine nucleotide exchange factors (Epac1, Epac2) are also validated using genetically encoded Epac biosensors, and are independently confirmed in an in vitro Rap1 activation assay using Rp-cAMPS and Rp-8-Br-cAMPS. Guanine Nucleotides 77-95 Rap guanine nucleotide exchange factor 3 Homo sapiens 114-119 26061564-7 2015 Novel effects of Rp-8-Br-cAMPS-pAB to block the activation of cAMP-regulated guanine nucleotide exchange factors (Epac1, Epac2) are also validated using genetically encoded Epac biosensors, and are independently confirmed in an in vitro Rap1 activation assay using Rp-cAMPS and Rp-8-Br-cAMPS. Guanine Nucleotides 77-95 Rap guanine nucleotide exchange factor 4 Homo sapiens 121-126 26061564-7 2015 Novel effects of Rp-8-Br-cAMPS-pAB to block the activation of cAMP-regulated guanine nucleotide exchange factors (Epac1, Epac2) are also validated using genetically encoded Epac biosensors, and are independently confirmed in an in vitro Rap1 activation assay using Rp-cAMPS and Rp-8-Br-cAMPS. Guanine Nucleotides 77-95 Rap guanine nucleotide exchange factor 3 Homo sapiens 114-118 26061564-7 2015 Novel effects of Rp-8-Br-cAMPS-pAB to block the activation of cAMP-regulated guanine nucleotide exchange factors (Epac1, Epac2) are also validated using genetically encoded Epac biosensors, and are independently confirmed in an in vitro Rap1 activation assay using Rp-cAMPS and Rp-8-Br-cAMPS. Guanine Nucleotides 77-95 RAP1A, member of RAS oncogene family Homo sapiens 237-241 26061564-7 2015 Novel effects of Rp-8-Br-cAMPS-pAB to block the activation of cAMP-regulated guanine nucleotide exchange factors (Epac1, Epac2) are also validated using genetically encoded Epac biosensors, and are independently confirmed in an in vitro Rap1 activation assay using Rp-cAMPS and Rp-8-Br-cAMPS. Guanine Nucleotides 77-95 calmodulin 2, pseudogene 1 Rattus norvegicus 268-273 26061564-7 2015 Novel effects of Rp-8-Br-cAMPS-pAB to block the activation of cAMP-regulated guanine nucleotide exchange factors (Epac1, Epac2) are also validated using genetically encoded Epac biosensors, and are independently confirmed in an in vitro Rap1 activation assay using Rp-cAMPS and Rp-8-Br-cAMPS. Guanine Nucleotides 77-95 calmodulin 2, pseudogene 1 Rattus norvegicus 268-273 26062014-0 2015 Expression Pattern and Localization Dynamics of Guanine Nucleotide Exchange Factor RIC8 during Mouse Oogenesis. Guanine Nucleotides 48-66 RIC8 guanine nucleotide exchange factor A Mus musculus 83-87 25743165-1 2015 The oncogenic protein ARHGEF5/TIM has long been known to express specifically in human breast cancer and other tumors, which is an important member of Rho guanine nucleotide exchange factors that activate Rho-family GTPases by promoting GTP/GDP exchange. Guanine Nucleotides 155-173 Rho guanine nucleotide exchange factor 5 Homo sapiens 22-29 25743165-1 2015 The oncogenic protein ARHGEF5/TIM has long been known to express specifically in human breast cancer and other tumors, which is an important member of Rho guanine nucleotide exchange factors that activate Rho-family GTPases by promoting GTP/GDP exchange. Guanine Nucleotides 155-173 Rho guanine nucleotide exchange factor 5 Homo sapiens 30-33 26073967-0 2015 Structural outline of the detailed mechanism for elongation factor Ts-mediated guanine nucleotide exchange on elongation factor Tu. Guanine Nucleotides 79-97 eukaryotic translation elongation factor 1 alpha 1 Homo sapiens 110-130 26073967-6 2015 The reaction path of guanine-nucleotide exchange is structurally poorly defined for EF-Tu and EF-Ts. Guanine Nucleotides 21-39 eukaryotic translation elongation factor 1 alpha 1 Homo sapiens 84-89 26073967-6 2015 The reaction path of guanine-nucleotide exchange is structurally poorly defined for EF-Tu and EF-Ts. Guanine Nucleotides 21-39 Ts translation elongation factor, mitochondrial Homo sapiens 94-99 25503727-2 2015 We recently reported two siblings with heritable nephrotic syndrome caused by a loss of function mutation in the gene ARHGDIA, which encodes for Rho guanine nucleotide dissociation inhibitor-alpha (GDIalpha). Guanine Nucleotides 149-167 Rho GDP dissociation inhibitor alpha Homo sapiens 118-125 26056138-5 2015 We found that KCC2, through interaction with the b isoform of Rac/Cdc42 guanine nucleotide exchange factor beta-PIX, regulates the activity of Rac1 GTPase and the phosphorylation of one of the major actin-regulating proteins, cofilin-1. Guanine Nucleotides 72-90 cell division cycle 42 Homo sapiens 66-71 26056138-5 2015 We found that KCC2, through interaction with the b isoform of Rac/Cdc42 guanine nucleotide exchange factor beta-PIX, regulates the activity of Rac1 GTPase and the phosphorylation of one of the major actin-regulating proteins, cofilin-1. Guanine Nucleotides 72-90 Rho guanine nucleotide exchange factor 7 Homo sapiens 107-115 26056138-5 2015 We found that KCC2, through interaction with the b isoform of Rac/Cdc42 guanine nucleotide exchange factor beta-PIX, regulates the activity of Rac1 GTPase and the phosphorylation of one of the major actin-regulating proteins, cofilin-1. Guanine Nucleotides 72-90 cofilin 1 Homo sapiens 226-235 25908317-0 2015 Fine-Tuning of the Actin Cytoskeleton and Cell Adhesion During Drosophila Development by the Unconventional Guanine Nucleotide Exchange Factors Myoblast City and Sponge. Guanine Nucleotides 108-126 Actin 79B Drosophila melanogaster 19-24 25645980-1 2015 The short isoform of Rho guanine nucleotide exchange factor ARHGEF5 is known as TIM, which plays diverse roles in, for example, tumorigenesis, neuronal development and Src-induced podosome formation through the activation of its substrates, the Rho family of GTPases. Guanine Nucleotides 25-43 Rho guanine nucleotide exchange factor 5 Homo sapiens 60-67 25825487-4 2015 We employed an ensemble structure-based virtual screening approach in combination with a multiple tier high throughput experimental screen utilizing two complementary fluorescent guanine nucleotide exchange assays to identify small molecule inhibitors of GEF catalytic activity toward Ras. Guanine Nucleotides 179-197 Rho/Rac guanine nucleotide exchange factor 2 Homo sapiens 255-258 25825741-2 2015 However, whether guanine nucleotide-binding protein G(i) subunit alpha-1 and alpha-3 (Galphai1/3) are required for LPS responses remains unclear, and if so, the underlying mechanisms need to be studied. Guanine Nucleotides 17-35 guanine nucleotide binding protein (G protein), alpha inhibiting 3 Mus musculus 86-96 25946318-3 2015 Here we show that H-Ras, N-Ras, and K-Ras are coexpressed with their activators (guanine nucleotide exchange factors) in neurofibromin-null malignant peripheral nerve sheath tumor (MPNST) cells, and that all 3 Ras proteins are activated. Guanine Nucleotides 81-99 HRas proto-oncogene, GTPase Homo sapiens 18-23 25946318-3 2015 Here we show that H-Ras, N-Ras, and K-Ras are coexpressed with their activators (guanine nucleotide exchange factors) in neurofibromin-null malignant peripheral nerve sheath tumor (MPNST) cells, and that all 3 Ras proteins are activated. Guanine Nucleotides 81-99 NRAS proto-oncogene, GTPase Homo sapiens 25-30 25946318-3 2015 Here we show that H-Ras, N-Ras, and K-Ras are coexpressed with their activators (guanine nucleotide exchange factors) in neurofibromin-null malignant peripheral nerve sheath tumor (MPNST) cells, and that all 3 Ras proteins are activated. Guanine Nucleotides 81-99 KRAS proto-oncogene, GTPase Homo sapiens 36-41 25946318-3 2015 Here we show that H-Ras, N-Ras, and K-Ras are coexpressed with their activators (guanine nucleotide exchange factors) in neurofibromin-null malignant peripheral nerve sheath tumor (MPNST) cells, and that all 3 Ras proteins are activated. Guanine Nucleotides 81-99 neurofibromin 1 Homo sapiens 121-134 25753922-3 2015 The interaction of GEFmeso with Rho family GTPases was studied by means of guanine nucleotide exchange assays. Guanine Nucleotides 75-93 Guanine nucleotide exchange factor in mesoderm Drosophila melanogaster 19-26 25917196-5 2015 METHODS: Expression levels of 28 upstream regulators of Rac1 activity, including 8 GTPase-activating proteins (GAPs) and 20 guanine nucleotide exchange factors, in OA and normal cartilage were assessed by quantitative polymerase chain reaction. Guanine Nucleotides 124-142 Rac family small GTPase 1 Mus musculus 56-60 25862245-1 2015 Dock10 is one of the three members of the Dock-D family of Dock proteins, a class of guanine nucleotide exchange factors (GEFs) for Rho GTPases. Guanine Nucleotides 85-103 dedicator of cytokinesis 10 Homo sapiens 0-6 25645980-1 2015 The short isoform of Rho guanine nucleotide exchange factor ARHGEF5 is known as TIM, which plays diverse roles in, for example, tumorigenesis, neuronal development and Src-induced podosome formation through the activation of its substrates, the Rho family of GTPases. Guanine Nucleotides 25-43 Rho guanine nucleotide exchange factor 5 Homo sapiens 80-83 25645980-1 2015 The short isoform of Rho guanine nucleotide exchange factor ARHGEF5 is known as TIM, which plays diverse roles in, for example, tumorigenesis, neuronal development and Src-induced podosome formation through the activation of its substrates, the Rho family of GTPases. Guanine Nucleotides 25-43 SRC proto-oncogene, non-receptor tyrosine kinase Homo sapiens 168-171 25645980-7 2015 Peptide binding test and guanine nucleotide exchange analysis solidified that these designed peptides can both bind to the SH3 domain potently and activate TIM-catalyzed RhoA exchange reaction effectively. Guanine Nucleotides 25-43 Rho guanine nucleotide exchange factor 5 Homo sapiens 156-159 25645980-7 2015 Peptide binding test and guanine nucleotide exchange analysis solidified that these designed peptides can both bind to the SH3 domain potently and activate TIM-catalyzed RhoA exchange reaction effectively. Guanine Nucleotides 25-43 ras homolog family member A Homo sapiens 170-174 25751262-6 2015 Interestingly, the mRNA expression analyses indicated that SOD3 regulated the expression of guanine nucleotide-exchange factors (RHO GEF16, RAL GEF RGL1), GTPase-activating proteins (ARFGAP ADAP2, RAS GAP RASAL1, RGS4), and a Rho guanine nucleotide-disassociation inhibitor (RHO GDI 2) in a dose dependent manner, thus controlling signaling through the small G protein GTPases. Guanine Nucleotides 92-110 superoxide dismutase 3 Homo sapiens 59-63 25315008-2 2015 We recently found that Epac2A, a cAMP binding protein having guanine nucleotide exchange activity toward Rap, is a target of both incretin and sulfonylurea. Guanine Nucleotides 61-79 low density lipoprotein receptor-related protein associated protein 1 Mus musculus 105-108 25686494-0 2015 Coordinated regulation by two VPS9 domain-containing guanine nucleotide exchange factors in small GTPase Rab5 signaling pathways in fission yeast. Guanine Nucleotides 53-71 guanine nucleotide exchange factor VPS9 Saccharomyces cerevisiae S288C 30-34 25673879-7 2015 FIP3 coordinates the interactions of ASAP1 and Rab11a with the Rab8 guanine nucleotide exchange factor Rabin8 (also known as RAB3IP). Guanine Nucleotides 68-86 inhibitor of nuclear factor kappa B kinase regulatory subunit gamma Homo sapiens 0-4 25673879-7 2015 FIP3 coordinates the interactions of ASAP1 and Rab11a with the Rab8 guanine nucleotide exchange factor Rabin8 (also known as RAB3IP). Guanine Nucleotides 68-86 ArfGAP with SH3 domain, ankyrin repeat and PH domain 1 Homo sapiens 37-42 25673879-7 2015 FIP3 coordinates the interactions of ASAP1 and Rab11a with the Rab8 guanine nucleotide exchange factor Rabin8 (also known as RAB3IP). Guanine Nucleotides 68-86 RAB11A, member RAS oncogene family Homo sapiens 47-53 25673879-7 2015 FIP3 coordinates the interactions of ASAP1 and Rab11a with the Rab8 guanine nucleotide exchange factor Rabin8 (also known as RAB3IP). Guanine Nucleotides 68-86 RAB8A, member RAS oncogene family Homo sapiens 63-67 25673879-7 2015 FIP3 coordinates the interactions of ASAP1 and Rab11a with the Rab8 guanine nucleotide exchange factor Rabin8 (also known as RAB3IP). Guanine Nucleotides 68-86 RAB3A interacting protein Homo sapiens 103-109 25673879-7 2015 FIP3 coordinates the interactions of ASAP1 and Rab11a with the Rab8 guanine nucleotide exchange factor Rabin8 (also known as RAB3IP). Guanine Nucleotides 68-86 RAB3A interacting protein Homo sapiens 125-131 25653442-3 2015 We investigated here the development of poliovirus resistance to brefeldin A (BFA), an inhibitor of the cellular protein GBF1, a guanine nucleotide exchange factor for the small cellular GTPase Arf1. Guanine Nucleotides 129-147 golgi brefeldin A resistant guanine nucleotide exchange factor 1 Homo sapiens 121-125 25609093-0 2015 Rab5-family guanine nucleotide exchange factors bind retromer and promote its recruitment to endosomes. Guanine Nucleotides 12-30 RAB5A, member RAS oncogene family Homo sapiens 0-4 25609093-4 2015 We identified novel physical interactions between retromer and the Saccharomyces cerevisiae VPS9-domain Rab5-family guanine nucleotide exchange factors (GEFs) Muk1 and Vps9. Guanine Nucleotides 116-134 guanine nucleotide exchange factor VPS9 Saccharomyces cerevisiae S288C 92-96 25609093-4 2015 We identified novel physical interactions between retromer and the Saccharomyces cerevisiae VPS9-domain Rab5-family guanine nucleotide exchange factors (GEFs) Muk1 and Vps9. Guanine Nucleotides 116-134 RAB5A, member RAS oncogene family Homo sapiens 104-108 25609093-4 2015 We identified novel physical interactions between retromer and the Saccharomyces cerevisiae VPS9-domain Rab5-family guanine nucleotide exchange factors (GEFs) Muk1 and Vps9. Guanine Nucleotides 116-134 guanine nucleotide exchange factor MUK1 Saccharomyces cerevisiae S288C 159-163 25609093-4 2015 We identified novel physical interactions between retromer and the Saccharomyces cerevisiae VPS9-domain Rab5-family guanine nucleotide exchange factors (GEFs) Muk1 and Vps9. Guanine Nucleotides 116-134 guanine nucleotide exchange factor VPS9 Saccharomyces cerevisiae S288C 168-172 25751262-6 2015 Interestingly, the mRNA expression analyses indicated that SOD3 regulated the expression of guanine nucleotide-exchange factors (RHO GEF16, RAL GEF RGL1), GTPase-activating proteins (ARFGAP ADAP2, RAS GAP RASAL1, RGS4), and a Rho guanine nucleotide-disassociation inhibitor (RHO GDI 2) in a dose dependent manner, thus controlling signaling through the small G protein GTPases. Guanine Nucleotides 230-248 superoxide dismutase 3 Homo sapiens 59-63 25516960-2 2015 RhoGDI2 is a guanine nucleotide dissociation inhibitor (GDI) for the Rho family of GTPases thought to primarily bind to Rac1; however, Rac1 activation was not decreased by RhoGDI2 expression in bladder cancer cells. Guanine Nucleotides 13-31 Rho GDP dissociation inhibitor beta Homo sapiens 0-7 25713392-4 2015 Using a proteomic approach, we discovered that DCs from Nlrp10 knockout mice lack the guanine nucleotide exchange factor DOCK8 (dedicator of cytokinesis 8), which regulates cytoskeleton dynamics in multiple leukocyte populations; in humans, loss-of-function mutations in Dock8 result in severe immunodeficiency. Guanine Nucleotides 86-104 NLR family, pyrin domain containing 10 Mus musculus 56-62 25713392-4 2015 Using a proteomic approach, we discovered that DCs from Nlrp10 knockout mice lack the guanine nucleotide exchange factor DOCK8 (dedicator of cytokinesis 8), which regulates cytoskeleton dynamics in multiple leukocyte populations; in humans, loss-of-function mutations in Dock8 result in severe immunodeficiency. Guanine Nucleotides 86-104 dedicator of cytokinesis 8 Mus musculus 121-126 25713392-4 2015 Using a proteomic approach, we discovered that DCs from Nlrp10 knockout mice lack the guanine nucleotide exchange factor DOCK8 (dedicator of cytokinesis 8), which regulates cytoskeleton dynamics in multiple leukocyte populations; in humans, loss-of-function mutations in Dock8 result in severe immunodeficiency. Guanine Nucleotides 86-104 dedicator of cytokinesis 8 Homo sapiens 271-276 25480567-1 2015 Activator of G protein signaling 3 (AGS3) is a guanine nucleotide dissociation inhibitor (GDI) which stabilizes the Galpha(i/o) subunits as an AGS3/Galpha(i/o)-GDP complex. Guanine Nucleotides 47-65 G protein signaling modulator 1 Homo sapiens 0-34 25480567-1 2015 Activator of G protein signaling 3 (AGS3) is a guanine nucleotide dissociation inhibitor (GDI) which stabilizes the Galpha(i/o) subunits as an AGS3/Galpha(i/o)-GDP complex. Guanine Nucleotides 47-65 G protein signaling modulator 1 Homo sapiens 36-40 25480567-1 2015 Activator of G protein signaling 3 (AGS3) is a guanine nucleotide dissociation inhibitor (GDI) which stabilizes the Galpha(i/o) subunits as an AGS3/Galpha(i/o)-GDP complex. Guanine Nucleotides 47-65 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 116-122 25480567-1 2015 Activator of G protein signaling 3 (AGS3) is a guanine nucleotide dissociation inhibitor (GDI) which stabilizes the Galpha(i/o) subunits as an AGS3/Galpha(i/o)-GDP complex. Guanine Nucleotides 47-65 G protein signaling modulator 1 Homo sapiens 143-147 25480567-1 2015 Activator of G protein signaling 3 (AGS3) is a guanine nucleotide dissociation inhibitor (GDI) which stabilizes the Galpha(i/o) subunits as an AGS3/Galpha(i/o)-GDP complex. Guanine Nucleotides 47-65 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 148-154 25516960-2 2015 RhoGDI2 is a guanine nucleotide dissociation inhibitor (GDI) for the Rho family of GTPases thought to primarily bind to Rac1; however, Rac1 activation was not decreased by RhoGDI2 expression in bladder cancer cells. Guanine Nucleotides 13-31 Rac family small GTPase 1 Homo sapiens 120-124 25527286-2 2015 Here we show that a guanine nucleotide exchange factor of the Dbl family, OSG-1, confers functional aging by dysregulating Rho GTPases activities in C. elegans. Guanine Nucleotides 20-38 Rho guanine nucleotide exchange factor osg-1 Caenorhabditis elegans 74-79 25501893-9 2015 Taken together, our data imply that Vav3 is a regulator of retinal progenitor cell differentiation, thus highlighting a novel role for guanine nucleotide exchange factors in retinogenesis. Guanine Nucleotides 135-153 vav 3 oncogene Mus musculus 36-40 25645278-3 2015 Formation of the osteoclast sealing zone requires Dock5, a guanine nucleotide exchange factor for the small GTPase Rac, and C21, a chemical inhibitor of Dock5, decreases bone resorption by cultured osteoclasts. Guanine Nucleotides 59-77 dedicator of cytokinesis 5 Mus musculus 50-55 25289457-4 2015 Whereas much attention has been devoted to guanine nucleotide exchange factors that act on Rac1 to promote GTP loading and Rac1 activation, cellular oxidants may also regulate Rac1 activation by promoting guanine nucleotide exchange. Guanine Nucleotides 43-61 Rac family small GTPase 1 Homo sapiens 91-95 25289457-4 2015 Whereas much attention has been devoted to guanine nucleotide exchange factors that act on Rac1 to promote GTP loading and Rac1 activation, cellular oxidants may also regulate Rac1 activation by promoting guanine nucleotide exchange. Guanine Nucleotides 43-61 Rac family small GTPase 1 Homo sapiens 123-127 25289457-4 2015 Whereas much attention has been devoted to guanine nucleotide exchange factors that act on Rac1 to promote GTP loading and Rac1 activation, cellular oxidants may also regulate Rac1 activation by promoting guanine nucleotide exchange. Guanine Nucleotides 43-61 Rac family small GTPase 1 Homo sapiens 123-127 25289457-7 2015 Oxidation of Cys(18) by glutathione greatly perturbs Rac1 guanine nucleotide binding and promotes nucleotide exchange. Guanine Nucleotides 58-76 Rac family small GTPase 1 Homo sapiens 53-57 25635515-7 2015 Notably, S177D-Pdlim5, but not WT-Pdlim5, attenuates the association with Rac1-specific guanine nucleotide exchange factors at the cell periphery. Guanine Nucleotides 88-106 PDZ and LIM domain 5 Homo sapiens 15-21 25635515-7 2015 Notably, S177D-Pdlim5, but not WT-Pdlim5, attenuates the association with Rac1-specific guanine nucleotide exchange factors at the cell periphery. Guanine Nucleotides 88-106 Rac family small GTPase 1 Homo sapiens 74-78 25655724-5 2015 Inhibition of the Trio-mediated Rac1 guanine nucleotide exchange activity with ITX3 partially blocked the SV4-mediated increase in Rac1-GTP. Guanine Nucleotides 37-55 trio Rho guanine nucleotide exchange factor Homo sapiens 18-22 25381061-2 2015 HGAL protein decreases lymphocyte motility by inhibiting the ability of myosin to translocate actin via direct interaction with F-actin and myosin II and by activating RhoA signaling via direct interactions with RhoA-specific guanine nucleotide exchange factors. Guanine Nucleotides 226-244 germinal center associated signaling and motility Homo sapiens 0-4 25381061-2 2015 HGAL protein decreases lymphocyte motility by inhibiting the ability of myosin to translocate actin via direct interaction with F-actin and myosin II and by activating RhoA signaling via direct interactions with RhoA-specific guanine nucleotide exchange factors. Guanine Nucleotides 226-244 ras homolog family member A Homo sapiens 212-216 25414258-3 2015 Previous studies have revealed a signal relay route from a GPCR via the C-terminal alpha5-helix of Galpha to the guanine nucleotide-binding pocket. Guanine Nucleotides 113-131 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 99-105 26325487-2 2015 Here we confirm the intracellular localization of RAB24 to autophagic vacuoles with immuno electron microscopy and cell fractionation, and show that prenylation and guanine nucleotide binding are necessary for the targeting of RAB24 to autophagic compartments. Guanine Nucleotides 165-183 RAB24, member RAS oncogene family Homo sapiens 227-232 26160017-4 2015 It has been reported that Ngb can act as a guanine nucleotide dissociation inhibitior (GDI) role to inactivate Rho GTPases. Guanine Nucleotides 43-61 neuroglobin Rattus norvegicus 26-29 25655724-5 2015 Inhibition of the Trio-mediated Rac1 guanine nucleotide exchange activity with ITX3 partially blocked the SV4-mediated increase in Rac1-GTP. Guanine Nucleotides 37-55 Rac family small GTPase 1 Homo sapiens 32-36 25655724-5 2015 Inhibition of the Trio-mediated Rac1 guanine nucleotide exchange activity with ITX3 partially blocked the SV4-mediated increase in Rac1-GTP. Guanine Nucleotides 37-55 Rac family small GTPase 1 Homo sapiens 131-135 25655724-11 2015 Supervillin and Trio knockdowns, separately or together, inhibited cell spreading, suggesting that supervillin regulates the Rac1 guanine nucleotide exchange activity of Trio, and potentially also kalirin, during cell spreading and lamellipodia extension. Guanine Nucleotides 130-148 supervillin Homo sapiens 0-11 25655724-11 2015 Supervillin and Trio knockdowns, separately or together, inhibited cell spreading, suggesting that supervillin regulates the Rac1 guanine nucleotide exchange activity of Trio, and potentially also kalirin, during cell spreading and lamellipodia extension. Guanine Nucleotides 130-148 trio Rho guanine nucleotide exchange factor Homo sapiens 16-20 25655724-11 2015 Supervillin and Trio knockdowns, separately or together, inhibited cell spreading, suggesting that supervillin regulates the Rac1 guanine nucleotide exchange activity of Trio, and potentially also kalirin, during cell spreading and lamellipodia extension. Guanine Nucleotides 130-148 supervillin Homo sapiens 99-110 25655724-11 2015 Supervillin and Trio knockdowns, separately or together, inhibited cell spreading, suggesting that supervillin regulates the Rac1 guanine nucleotide exchange activity of Trio, and potentially also kalirin, during cell spreading and lamellipodia extension. Guanine Nucleotides 130-148 Rac family small GTPase 1 Homo sapiens 125-129 25655724-11 2015 Supervillin and Trio knockdowns, separately or together, inhibited cell spreading, suggesting that supervillin regulates the Rac1 guanine nucleotide exchange activity of Trio, and potentially also kalirin, during cell spreading and lamellipodia extension. Guanine Nucleotides 130-148 trio Rho guanine nucleotide exchange factor Homo sapiens 170-174 25465060-2 2015 Expression of inosine 5"-monophosphate dehydrogenase type II (IMPDH2), a rate-limiting enzyme in the de novo guanine nucleotide biosynthesis, is up-regulated in various neoplasms, including prostate cancer and patient serum. Guanine Nucleotides 109-127 inosine monophosphate dehydrogenase 2 Homo sapiens 62-68 25494542-3 2015 Here, we analyzed the regulation of ARHGEF3, a RhoA-specific guanine nucleotide exchange factor, by the HDACi MS275 (entinostat). Guanine Nucleotides 61-79 Rho guanine nucleotide exchange factor 3 Homo sapiens 36-43 25494542-3 2015 Here, we analyzed the regulation of ARHGEF3, a RhoA-specific guanine nucleotide exchange factor, by the HDACi MS275 (entinostat). Guanine Nucleotides 61-79 ras homolog family member A Homo sapiens 47-51 26103434-2 2015 Over the past 2 decades, numerous biochemical and cell biological studies on RHOA have demonstrated signalings such as activation of RHO-associated coiled-coil forming kinases through guanine nucleotide exchange and GTP hydrolysis, cellular responses such as actin fiber formation and myocin activation, biological consequences such as cell motility and cytokineses, etc. Guanine Nucleotides 184-202 ras homolog family member A Homo sapiens 77-81 26360031-1 2015 The ADP ribosylation factor (Arf) family of small guanosine triphosphatases (GTPases) regulates vesicular transport at several locations within the cell, and is in turn regulated by guanine nucleotide exchange factors (GEFs) via a conserved catalytic domain, termed the Sec7 domain. Guanine Nucleotides 182-200 Arf family guanine nucleotide exchange factor SEC7 Saccharomyces cerevisiae S288C 270-274 25332238-4 2015 Elmo proteins are established to interact with Dock family guanine nucleotide exchange factors to control Rac-mediated cytoskeletal dynamics. Guanine Nucleotides 59-77 Rac family small GTPase 1 Homo sapiens 106-109 25759056-4 2015 In yeast, the secretory pathway is regulated by sequential activation and inactivation (the so-called Rab cascade) of three types of yeast Rab protein -Ypt1p, Ypt31p/32p and Sec4p -via specific guanine nucleotide exchange factors (GEFs) and GTPase-activating proteins (GAPs). Guanine Nucleotides 194-212 Rab family GTPase YPT1 Saccharomyces cerevisiae S288C 152-157 25759056-4 2015 In yeast, the secretory pathway is regulated by sequential activation and inactivation (the so-called Rab cascade) of three types of yeast Rab protein -Ypt1p, Ypt31p/32p and Sec4p -via specific guanine nucleotide exchange factors (GEFs) and GTPase-activating proteins (GAPs). Guanine Nucleotides 194-212 Rab family GTPase YPT31 Saccharomyces cerevisiae S288C 159-165 25759056-4 2015 In yeast, the secretory pathway is regulated by sequential activation and inactivation (the so-called Rab cascade) of three types of yeast Rab protein -Ypt1p, Ypt31p/32p and Sec4p -via specific guanine nucleotide exchange factors (GEFs) and GTPase-activating proteins (GAPs). Guanine Nucleotides 194-212 Rab family GTPase SEC4 Saccharomyces cerevisiae S288C 174-179 25800851-5 2015 Specifically, it has been used to identify functional differences between rab5 guanine nucleotide exchange factors. Guanine Nucleotides 79-97 RAB5A, member RAS oncogene family Homo sapiens 74-78 25008184-4 2014 IHG-1 forms complexes with known mediators of mitochondrial fusion-mitofusins (Mfns) 1 and 2-and enhances the GTP-binding capacity of Mfn2, suggesting that IHG-1 acts as a guanine nucleotide exchange factor. Guanine Nucleotides 172-190 mitofusin 2 Homo sapiens 134-138 25321414-1 2014 Neuroepithelial transforming gene 1 (Net1) is a RhoA subfamily-specific guanine nucleotide exchange factor that is overexpressed in human breast cancer and is required for breast cancer cell migration and invasion. Guanine Nucleotides 72-90 neuroepithelial cell transforming 1 Homo sapiens 0-35 25321414-1 2014 Neuroepithelial transforming gene 1 (Net1) is a RhoA subfamily-specific guanine nucleotide exchange factor that is overexpressed in human breast cancer and is required for breast cancer cell migration and invasion. Guanine Nucleotides 72-90 neuroepithelial cell transforming 1 Homo sapiens 37-41 25321414-1 2014 Neuroepithelial transforming gene 1 (Net1) is a RhoA subfamily-specific guanine nucleotide exchange factor that is overexpressed in human breast cancer and is required for breast cancer cell migration and invasion. Guanine Nucleotides 72-90 ras homolog family member A Homo sapiens 48-52 25347121-2 2014 Inosine monophosphate (IMP) dehydrogenase 2 (IMPDH2) is a rate-limiting enzyme in de novo guanine nucleotide biosynthesis and crucial for maintaining cellular guanine deoxy- and ribonucleotide pools needed for DNA and RNA synthesis. Guanine Nucleotides 90-108 inosine monophosphate dehydrogenase 2 Homo sapiens 0-43 25253349-8 2014 p130Cas aided in scaffolding adaptor Crk to downstream guanine nucleotide exchange factor phospho-C3G possibly to coordinate GTPase signaling during KSHV trafficking. Guanine Nucleotides 55-73 BCAR1 scaffold protein, Cas family member Homo sapiens 0-7 25412913-3 2014 Here we utilize this simple, yet elegant, behaviour to show that VAV-1, a conserved guanine nucleotide exchange factor for Rho-family GTPases, negatively regulates motor circuit activity and the rate of locomotion. Guanine Nucleotides 84-102 Protein vav-1 Caenorhabditis elegans 65-70 25025572-3 2014 The purpose of this study is to clarify the role of the guanine nucleotide exchange factor FLJ00068 in Akt2-mediated Rac1 activation and GLUT4 translocation in mouse skeletal muscle and cultured myocytes. Guanine Nucleotides 56-74 pleckstrin homology domain containing, family G (with RhoGef domain) member 4 Mus musculus 91-99 25025572-3 2014 The purpose of this study is to clarify the role of the guanine nucleotide exchange factor FLJ00068 in Akt2-mediated Rac1 activation and GLUT4 translocation in mouse skeletal muscle and cultured myocytes. Guanine Nucleotides 56-74 thymoma viral proto-oncogene 2 Mus musculus 103-107 25025572-3 2014 The purpose of this study is to clarify the role of the guanine nucleotide exchange factor FLJ00068 in Akt2-mediated Rac1 activation and GLUT4 translocation in mouse skeletal muscle and cultured myocytes. Guanine Nucleotides 56-74 Rac family small GTPase 1 Mus musculus 117-121 25025572-3 2014 The purpose of this study is to clarify the role of the guanine nucleotide exchange factor FLJ00068 in Akt2-mediated Rac1 activation and GLUT4 translocation in mouse skeletal muscle and cultured myocytes. Guanine Nucleotides 56-74 solute carrier family 2 (facilitated glucose transporter), member 4 Mus musculus 137-142 25411474-5 2014 Lipophilic bisphosphonates inhibit both farnesyl and geranylgeranyldiphosphate synthases, effectively blocking prenylation of KRAS and other small G proteins (heterotrimeric GTP-binding protein, heterotrimeric guanine nucleotide-binding proteins) critical for tumor growth and cell survival. Guanine Nucleotides 210-228 KRAS proto-oncogene, GTPase Homo sapiens 126-130 25365345-7 2014 We showed the peculiar ability of scFvE3 to detect RhoB but not RhoA GTP-bound form in cell extracts overexpressing Guanine nucleotide Exchange Factor XPLN as well as in EGF stimulated HeLa cells. Guanine Nucleotides 116-134 ras homolog family member B Homo sapiens 51-55 25347121-2 2014 Inosine monophosphate (IMP) dehydrogenase 2 (IMPDH2) is a rate-limiting enzyme in de novo guanine nucleotide biosynthesis and crucial for maintaining cellular guanine deoxy- and ribonucleotide pools needed for DNA and RNA synthesis. Guanine Nucleotides 90-108 inosine monophosphate dehydrogenase 2 Homo sapiens 45-51 25329472-6 2014 AGEF-1 is homologous to the mammalian BIG1 and BIG2 Arf GTPase guanine nucleotide exchange factors (GEFs), which regulate secretory traffic between the Trans-Golgi network, endosomes and the plasma membrane via activation of Arf GTPases and recruitment of the AP-1 clathrin adaptor complex. Guanine Nucleotides 63-81 SEC7 domain-containing protein Caenorhabditis elegans 0-6 25329472-6 2014 AGEF-1 is homologous to the mammalian BIG1 and BIG2 Arf GTPase guanine nucleotide exchange factors (GEFs), which regulate secretory traffic between the Trans-Golgi network, endosomes and the plasma membrane via activation of Arf GTPases and recruitment of the AP-1 clathrin adaptor complex. Guanine Nucleotides 63-81 ADP ribosylation factor guanine nucleotide exchange factor 1 Homo sapiens 38-42 25329472-6 2014 AGEF-1 is homologous to the mammalian BIG1 and BIG2 Arf GTPase guanine nucleotide exchange factors (GEFs), which regulate secretory traffic between the Trans-Golgi network, endosomes and the plasma membrane via activation of Arf GTPases and recruitment of the AP-1 clathrin adaptor complex. Guanine Nucleotides 63-81 ADP ribosylation factor guanine nucleotide exchange factor 2 Homo sapiens 47-51 25017214-12 2014 Treatment with OPG resulted in a significant decrease in the expression of Arhgef8/Net1 and DOCK5 Rho guanine nucleotide exchange factors (RhoGEFs), 10 of 18 RhoGTPases (RhoA, RhoB, cdc42v1, cdc42v2, RhoU/Wrch1, RhoF/Rif, Rac2, RhoG, Rnd1 and RhoBTB1), ROCK1 and ROCK2. Guanine Nucleotides 102-120 TNF receptor superfamily member 11b Homo sapiens 15-18 25100368-7 2014 Genomic DNA sequencing of those GNAS exons and adjacent intronic regions that encode the stimulatory guanine nucleotide-binding protein Gsalpha revealed a novel heterozygous mutation in exon 11, c.857-858delCT. Guanine Nucleotides 101-119 GNAS complex locus Homo sapiens 32-36 25100368-7 2014 Genomic DNA sequencing of those GNAS exons and adjacent intronic regions that encode the stimulatory guanine nucleotide-binding protein Gsalpha revealed a novel heterozygous mutation in exon 11, c.857-858delCT. Guanine Nucleotides 101-119 GNAS complex locus Homo sapiens 136-143 24845459-1 2014 Autoantibodies to inosine monophosphate dehydrogenase-2 (IMPDH2), an enzyme involved in de novo biosynthesis of guanine nucleotides, are observed in a subset of hepatitis C virus (HCV) patients receiving interferon alpha (IFN-alpha) plus ribavirin. Guanine Nucleotides 112-131 inosine monophosphate dehydrogenase 2 Homo sapiens 57-63 24845459-1 2014 Autoantibodies to inosine monophosphate dehydrogenase-2 (IMPDH2), an enzyme involved in de novo biosynthesis of guanine nucleotides, are observed in a subset of hepatitis C virus (HCV) patients receiving interferon alpha (IFN-alpha) plus ribavirin. Guanine Nucleotides 112-131 interferon alpha 1 Homo sapiens 204-231 25017214-12 2014 Treatment with OPG resulted in a significant decrease in the expression of Arhgef8/Net1 and DOCK5 Rho guanine nucleotide exchange factors (RhoGEFs), 10 of 18 RhoGTPases (RhoA, RhoB, cdc42v1, cdc42v2, RhoU/Wrch1, RhoF/Rif, Rac2, RhoG, Rnd1 and RhoBTB1), ROCK1 and ROCK2. Guanine Nucleotides 102-120 ras homolog family member G Homo sapiens 139-143 25312435-6 2014 Strip genetically and biochemically interacts with both Glued (the regulator of dynein-dependent transport) and Sprint (the guanine nucleotide exchange factor for Rab5), suggesting that Strip is a molecular linker between retrograde transport and Rab5 activation. Guanine Nucleotides 124-142 Striatin interacting protein Drosophila melanogaster 0-5 25312435-6 2014 Strip genetically and biochemically interacts with both Glued (the regulator of dynein-dependent transport) and Sprint (the guanine nucleotide exchange factor for Rab5), suggesting that Strip is a molecular linker between retrograde transport and Rab5 activation. Guanine Nucleotides 124-142 Rab5 Drosophila melanogaster 163-167 25312435-6 2014 Strip genetically and biochemically interacts with both Glued (the regulator of dynein-dependent transport) and Sprint (the guanine nucleotide exchange factor for Rab5), suggesting that Strip is a molecular linker between retrograde transport and Rab5 activation. Guanine Nucleotides 124-142 Striatin interacting protein Drosophila melanogaster 186-191 25312435-6 2014 Strip genetically and biochemically interacts with both Glued (the regulator of dynein-dependent transport) and Sprint (the guanine nucleotide exchange factor for Rab5), suggesting that Strip is a molecular linker between retrograde transport and Rab5 activation. Guanine Nucleotides 124-142 Rab5 Drosophila melanogaster 247-251 25259925-0 2014 Sestrins function as guanine nucleotide dissociation inhibitors for Rag GTPases to control mTORC1 signaling. Guanine Nucleotides 21-39 CREB regulated transcription coactivator 1 Mus musculus 91-97 25259925-3 2014 Here, we show that Sestrins bind to the heterodimeric RagA/B-RagC/D GTPases, and function as guanine nucleotide dissociation inhibitors (GDIs) for RagA/B. Guanine Nucleotides 93-111 Ras-related GTP binding A Mus musculus 147-153 24728583-0 2014 Regulating the large Sec7 ARF guanine nucleotide exchange factors: the when, where and how of activation. Guanine Nucleotides 30-48 cytohesin 1 Homo sapiens 21-25 25017214-12 2014 Treatment with OPG resulted in a significant decrease in the expression of Arhgef8/Net1 and DOCK5 Rho guanine nucleotide exchange factors (RhoGEFs), 10 of 18 RhoGTPases (RhoA, RhoB, cdc42v1, cdc42v2, RhoU/Wrch1, RhoF/Rif, Rac2, RhoG, Rnd1 and RhoBTB1), ROCK1 and ROCK2. Guanine Nucleotides 102-120 dedicator of cytokinesis 5 Homo sapiens 92-97 24958816-6 2014 We also demonstrate that postsynaptic density 95/disk-large/ZO-1 (PDZ)-RhoGEF (PRG), a member of regulator of G-protein signaling (RGS)-homology domain (RH) containing guanine nucleotide exchange factors (RH-RhoGEFs), is the predominant activator of RhoA downstream of GRPR. Guanine Nucleotides 168-186 Rho guanine nucleotide exchange factor 11 Homo sapiens 49-77 24958816-6 2014 We also demonstrate that postsynaptic density 95/disk-large/ZO-1 (PDZ)-RhoGEF (PRG), a member of regulator of G-protein signaling (RGS)-homology domain (RH) containing guanine nucleotide exchange factors (RH-RhoGEFs), is the predominant activator of RhoA downstream of GRPR. Guanine Nucleotides 168-186 proline rich protein BstNI subfamily 3 Homo sapiens 79-82 24958816-6 2014 We also demonstrate that postsynaptic density 95/disk-large/ZO-1 (PDZ)-RhoGEF (PRG), a member of regulator of G-protein signaling (RGS)-homology domain (RH) containing guanine nucleotide exchange factors (RH-RhoGEFs), is the predominant activator of RhoA downstream of GRPR. Guanine Nucleotides 168-186 ras homolog family member A Homo sapiens 250-254 24958816-6 2014 We also demonstrate that postsynaptic density 95/disk-large/ZO-1 (PDZ)-RhoGEF (PRG), a member of regulator of G-protein signaling (RGS)-homology domain (RH) containing guanine nucleotide exchange factors (RH-RhoGEFs), is the predominant activator of RhoA downstream of GRPR. Guanine Nucleotides 168-186 gastrin releasing peptide receptor Homo sapiens 269-273 25114227-7 2014 These results suggest that exposure to cholinergic drugs maximally stimulates the m1/guanine nucleotide-binding protein subunit alpha q/PKC/proline-rich tyrosine kinase 2/Src signaling pathway for the potentiation of NMDAR responses in vivo, occluding the in vitro effects of m1 activation and Src. Guanine Nucleotides 85-103 protein tyrosine kinase 2 beta Homo sapiens 140-170 25114227-7 2014 These results suggest that exposure to cholinergic drugs maximally stimulates the m1/guanine nucleotide-binding protein subunit alpha q/PKC/proline-rich tyrosine kinase 2/Src signaling pathway for the potentiation of NMDAR responses in vivo, occluding the in vitro effects of m1 activation and Src. Guanine Nucleotides 85-103 SRC proto-oncogene, non-receptor tyrosine kinase Homo sapiens 171-174 25114227-7 2014 These results suggest that exposure to cholinergic drugs maximally stimulates the m1/guanine nucleotide-binding protein subunit alpha q/PKC/proline-rich tyrosine kinase 2/Src signaling pathway for the potentiation of NMDAR responses in vivo, occluding the in vitro effects of m1 activation and Src. Guanine Nucleotides 85-103 SRC proto-oncogene, non-receptor tyrosine kinase Homo sapiens 294-297 25071181-8 2014 Importantly, the guanine nucleotide exchange activity of SOS1 is not required for NFkappaB activation. Guanine Nucleotides 17-35 SOS Ras/Rac guanine nucleotide exchange factor 1 Homo sapiens 57-61 25165881-1 2014 Dedicator of cytokinesis 3 (Dock3) belongs to an atypical family of the guanine nucleotide exchange factors. Guanine Nucleotides 72-90 dedicator of cyto-kinesis 3 Mus musculus 28-33 25014207-7 2014 The extraction was prevented when Rac1 was activated to its GTP-bound state by Rac-specific guanine nucleotide exchange factors (GEFs), such as Vav2, Dbl, Tiam1, P-Rex1 and TrioN, and bound by the downstream effector Pak1. Guanine Nucleotides 92-110 p21 (RAC1) activated kinase 1 Homo sapiens 217-221 25014207-5 2014 In contrast to non-prenylated human Rac1 purified from Escherichia coli, prenylated Rac1 from insect cells was able to associate with synthetic liposomes and to bind Rho-specific guanine nucleotide dissociation inhibitor 1 (GDI1). Guanine Nucleotides 179-197 Rac family small GTPase 1 Homo sapiens 84-88 24818958-2 2014 Endogenous protein guanine nucleotide dissociation inhibitors (GDIs) like AGS3/4 and RGS12/14 function through GPR/Goloco GDI domains. Guanine Nucleotides 19-37 G protein signaling modulator 1 Homo sapiens 74-78 25014207-7 2014 The extraction was prevented when Rac1 was activated to its GTP-bound state by Rac-specific guanine nucleotide exchange factors (GEFs), such as Vav2, Dbl, Tiam1, P-Rex1 and TrioN, and bound by the downstream effector Pak1. Guanine Nucleotides 92-110 Rac family small GTPase 1 Homo sapiens 34-38 25014207-7 2014 The extraction was prevented when Rac1 was activated to its GTP-bound state by Rac-specific guanine nucleotide exchange factors (GEFs), such as Vav2, Dbl, Tiam1, P-Rex1 and TrioN, and bound by the downstream effector Pak1. Guanine Nucleotides 92-110 Rac family small GTPase 1 Homo sapiens 34-37 25014207-7 2014 The extraction was prevented when Rac1 was activated to its GTP-bound state by Rac-specific guanine nucleotide exchange factors (GEFs), such as Vav2, Dbl, Tiam1, P-Rex1 and TrioN, and bound by the downstream effector Pak1. Guanine Nucleotides 92-110 vav guanine nucleotide exchange factor 2 Homo sapiens 144-148 25014207-7 2014 The extraction was prevented when Rac1 was activated to its GTP-bound state by Rac-specific guanine nucleotide exchange factors (GEFs), such as Vav2, Dbl, Tiam1, P-Rex1 and TrioN, and bound by the downstream effector Pak1. Guanine Nucleotides 92-110 MCF.2 cell line derived transforming sequence Homo sapiens 150-153 25014207-7 2014 The extraction was prevented when Rac1 was activated to its GTP-bound state by Rac-specific guanine nucleotide exchange factors (GEFs), such as Vav2, Dbl, Tiam1, P-Rex1 and TrioN, and bound by the downstream effector Pak1. Guanine Nucleotides 92-110 TIAM Rac1 associated GEF 1 Homo sapiens 155-160 25014207-7 2014 The extraction was prevented when Rac1 was activated to its GTP-bound state by Rac-specific guanine nucleotide exchange factors (GEFs), such as Vav2, Dbl, Tiam1, P-Rex1 and TrioN, and bound by the downstream effector Pak1. Guanine Nucleotides 92-110 phosphatidylinositol-3,4,5-trisphosphate dependent Rac exchange factor 1 Homo sapiens 162-168 25009260-7 2014 We focused on Pak-interacting exchange factor-beta (betaPIX), a Cdc42/Rac1 guanine nucleotide exchange factor, and found that PKCgamma directly phosphorylates betaPIX at Ser583 and indirectly at Ser340 in cells. Guanine Nucleotides 75-93 Rho guanine nucleotide exchange factor 7 Rattus norvegicus 14-50 25009260-7 2014 We focused on Pak-interacting exchange factor-beta (betaPIX), a Cdc42/Rac1 guanine nucleotide exchange factor, and found that PKCgamma directly phosphorylates betaPIX at Ser583 and indirectly at Ser340 in cells. Guanine Nucleotides 75-93 Rho guanine nucleotide exchange factor 7 Rattus norvegicus 52-59 25009260-7 2014 We focused on Pak-interacting exchange factor-beta (betaPIX), a Cdc42/Rac1 guanine nucleotide exchange factor, and found that PKCgamma directly phosphorylates betaPIX at Ser583 and indirectly at Ser340 in cells. Guanine Nucleotides 75-93 protein kinase C, gamma Rattus norvegicus 126-134 24818958-2 2014 Endogenous protein guanine nucleotide dissociation inhibitors (GDIs) like AGS3/4 and RGS12/14 function through GPR/Goloco GDI domains. Guanine Nucleotides 19-37 regulator of G protein signaling 12 Homo sapiens 85-90 24835460-4 2014 RESULTS: Here we report that the endosomal Rab protein Rab4 orchestrates a GTPase cascade that results in the sequential recruitment of the ADP-ribosylation factor (Arf)-like protein Arl1; the Arf-specific guanine nucleotide exchange factors BIG1 and BIG2; and the class I Arfs, Arf1 and Arf3. Guanine Nucleotides 206-224 RAB4A, member RAS oncogene family Homo sapiens 55-59 24889603-3 2014 We aim to target the guanine nucleotide (GN)-binding pocket because the natural contents of this pocket dictate the signaling state of K-Ras. Guanine Nucleotides 21-39 KRAS proto-oncogene, GTPase Rattus norvegicus 135-140 24889603-3 2014 We aim to target the guanine nucleotide (GN)-binding pocket because the natural contents of this pocket dictate the signaling state of K-Ras. Guanine Nucleotides 41-43 KRAS proto-oncogene, GTPase Rattus norvegicus 135-140 24889603-4 2014 Here, we characterize the irreversible inhibitor SML-8-73-1 (SML), which targets the GN-binding pocket of K-Ras G12C. Guanine Nucleotides 85-87 KRAS proto-oncogene, GTPase Rattus norvegicus 106-111 25018876-2 2014 Recent studies have identified several key regulators of these processes, including Rab GTPases such as Rab8 and Rab11, the Rab8 guanine nucleotide exchange factor Rabin8, and the transport protein particle (TRAPP) components TRAPPC3, -C9, and -C10, which physically interact with each other and function together with Bardet Biedl syndrome (BBS) proteins in ciliary membrane biogenesis. Guanine Nucleotides 129-147 RAB8A, member RAS oncogene family Homo sapiens 124-128 25018876-2 2014 Recent studies have identified several key regulators of these processes, including Rab GTPases such as Rab8 and Rab11, the Rab8 guanine nucleotide exchange factor Rabin8, and the transport protein particle (TRAPP) components TRAPPC3, -C9, and -C10, which physically interact with each other and function together with Bardet Biedl syndrome (BBS) proteins in ciliary membrane biogenesis. Guanine Nucleotides 129-147 RAB3A interacting protein Homo sapiens 164-170 25018876-2 2014 Recent studies have identified several key regulators of these processes, including Rab GTPases such as Rab8 and Rab11, the Rab8 guanine nucleotide exchange factor Rabin8, and the transport protein particle (TRAPP) components TRAPPC3, -C9, and -C10, which physically interact with each other and function together with Bardet Biedl syndrome (BBS) proteins in ciliary membrane biogenesis. Guanine Nucleotides 129-147 trafficking protein particle complex subunit 3 Homo sapiens 226-233 24821968-1 2014 Elmo1 and Elmo2 are highly homologous cytoplasmic adaptor proteins that interact with Dock family guanine nucleotide exchange factors to promote activation of the small GTPase Rac. Guanine Nucleotides 98-116 engulfment and cell motility 1 Mus musculus 0-5 24821968-1 2014 Elmo1 and Elmo2 are highly homologous cytoplasmic adaptor proteins that interact with Dock family guanine nucleotide exchange factors to promote activation of the small GTPase Rac. Guanine Nucleotides 98-116 engulfment and cell motility 2 Mus musculus 10-15 24821968-1 2014 Elmo1 and Elmo2 are highly homologous cytoplasmic adaptor proteins that interact with Dock family guanine nucleotide exchange factors to promote activation of the small GTPase Rac. Guanine Nucleotides 98-116 thymoma viral proto-oncogene 1 Mus musculus 176-179 24835460-4 2014 RESULTS: Here we report that the endosomal Rab protein Rab4 orchestrates a GTPase cascade that results in the sequential recruitment of the ADP-ribosylation factor (Arf)-like protein Arl1; the Arf-specific guanine nucleotide exchange factors BIG1 and BIG2; and the class I Arfs, Arf1 and Arf3. Guanine Nucleotides 206-224 ADP ribosylation factor like GTPase 1 Homo sapiens 183-187 24835460-4 2014 RESULTS: Here we report that the endosomal Rab protein Rab4 orchestrates a GTPase cascade that results in the sequential recruitment of the ADP-ribosylation factor (Arf)-like protein Arl1; the Arf-specific guanine nucleotide exchange factors BIG1 and BIG2; and the class I Arfs, Arf1 and Arf3. Guanine Nucleotides 206-224 ADP ribosylation factor guanine nucleotide exchange factor 1 Homo sapiens 242-246 24835460-4 2014 RESULTS: Here we report that the endosomal Rab protein Rab4 orchestrates a GTPase cascade that results in the sequential recruitment of the ADP-ribosylation factor (Arf)-like protein Arl1; the Arf-specific guanine nucleotide exchange factors BIG1 and BIG2; and the class I Arfs, Arf1 and Arf3. Guanine Nucleotides 206-224 ADP ribosylation factor guanine nucleotide exchange factor 2 Homo sapiens 251-255 24835460-4 2014 RESULTS: Here we report that the endosomal Rab protein Rab4 orchestrates a GTPase cascade that results in the sequential recruitment of the ADP-ribosylation factor (Arf)-like protein Arl1; the Arf-specific guanine nucleotide exchange factors BIG1 and BIG2; and the class I Arfs, Arf1 and Arf3. Guanine Nucleotides 206-224 ADP ribosylation factor 1 Homo sapiens 279-283 24835460-4 2014 RESULTS: Here we report that the endosomal Rab protein Rab4 orchestrates a GTPase cascade that results in the sequential recruitment of the ADP-ribosylation factor (Arf)-like protein Arl1; the Arf-specific guanine nucleotide exchange factors BIG1 and BIG2; and the class I Arfs, Arf1 and Arf3. Guanine Nucleotides 206-224 ADP ribosylation factor 3 Homo sapiens 288-292 24703949-4 2014 The structure shows specific interactions between a structural motif located at the end of the Rnt1p dsRNA-binding domain (dsRBD) and the guanine nucleotide in the second position of the loop. Guanine Nucleotides 138-156 ribonuclease III Saccharomyces cerevisiae S288C 95-100 24852487-1 2014 eIF2B facilitates and controls protein synthesis in eukaryotes by mediating guanine nucleotide exchange on its partner eIF2. Guanine Nucleotides 76-94 eukaryotic translation initiation factor 2B subunit epsilon Homo sapiens 0-5 24852487-1 2014 eIF2B facilitates and controls protein synthesis in eukaryotes by mediating guanine nucleotide exchange on its partner eIF2. Guanine Nucleotides 76-94 eukaryotic translation initiation factor 2 subunit gamma Homo sapiens 0-4 24605759-6 2014 While 7-CH-cAMP is a general activator for cAMP- and cGMP-dependent protein kinases as well as for the guanine nucleotide exchange factors Epac1 and Epac2, it displays the highest affinity to HCN channels. Guanine Nucleotides 103-121 Rap guanine nucleotide exchange factor 3 Homo sapiens 139-144 24605759-6 2014 While 7-CH-cAMP is a general activator for cAMP- and cGMP-dependent protein kinases as well as for the guanine nucleotide exchange factors Epac1 and Epac2, it displays the highest affinity to HCN channels. Guanine Nucleotides 103-121 Rap guanine nucleotide exchange factor 4 Homo sapiens 149-154 24737324-3 2014 We show here that, in untreated cells, Tiam1, a Rac1-specific guanine nucleotide exchange factor, is phosphorylated by casein kinase 1 (CK1) at its C terminus, leading to Skp, Cullin, F-box-containing(beta-TrCP) recognition, ubiquitination, and proteasome-mediated degradation. Guanine Nucleotides 62-80 T cell lymphoma invasion and metastasis 1 Mus musculus 39-44 24719330-0 2014 Dennd3 functions as a guanine nucleotide exchange factor for small GTPase Rab12 in mouse embryonic fibroblasts. Guanine Nucleotides 22-40 DENN/MADD domain containing 3 Mus musculus 0-6 24719330-0 2014 Dennd3 functions as a guanine nucleotide exchange factor for small GTPase Rab12 in mouse embryonic fibroblasts. Guanine Nucleotides 22-40 RAB12, member RAS oncogene family Mus musculus 74-79 24569883-6 2014 Finally, we demonstrate that Rab20 interacts with the Rab5a guanine nucleotide exchange factor Rabex-5 (also known as RABGEF1) and that Rab20 knockdown impairs the IFN-gamma-dependent recruitment of Rabex-5 and Rab5a into phagosomes. Guanine Nucleotides 60-78 RAB guanine nucleotide exchange factor 1 Homo sapiens 118-125 24497027-7 2014 In summary, our data show for the first time that the two guanine nucleotide exchange factors expressed in T cells are differentially involved in the regulation of the duration of Erk phosphorylation and T-cell activation. Guanine Nucleotides 58-76 mitogen-activated protein kinase 1 Homo sapiens 180-183 24569883-6 2014 Finally, we demonstrate that Rab20 interacts with the Rab5a guanine nucleotide exchange factor Rabex-5 (also known as RABGEF1) and that Rab20 knockdown impairs the IFN-gamma-dependent recruitment of Rabex-5 and Rab5a into phagosomes. Guanine Nucleotides 60-78 RAB20, member RAS oncogene family Homo sapiens 29-34 24569883-6 2014 Finally, we demonstrate that Rab20 interacts with the Rab5a guanine nucleotide exchange factor Rabex-5 (also known as RABGEF1) and that Rab20 knockdown impairs the IFN-gamma-dependent recruitment of Rabex-5 and Rab5a into phagosomes. Guanine Nucleotides 60-78 interferon gamma Homo sapiens 164-173 24569883-6 2014 Finally, we demonstrate that Rab20 interacts with the Rab5a guanine nucleotide exchange factor Rabex-5 (also known as RABGEF1) and that Rab20 knockdown impairs the IFN-gamma-dependent recruitment of Rabex-5 and Rab5a into phagosomes. Guanine Nucleotides 60-78 RAB5A, member RAS oncogene family Homo sapiens 54-59 24623720-2 2014 The Rab exchange depends on the guanine nucleotide exchange factor activity of the Mon1-Ccz1 heterodimer for Ypt7. Guanine Nucleotides 32-50 RAB5A, member RAS oncogene family Homo sapiens 4-7 24569883-6 2014 Finally, we demonstrate that Rab20 interacts with the Rab5a guanine nucleotide exchange factor Rabex-5 (also known as RABGEF1) and that Rab20 knockdown impairs the IFN-gamma-dependent recruitment of Rabex-5 and Rab5a into phagosomes. Guanine Nucleotides 60-78 RAB guanine nucleotide exchange factor 1 Homo sapiens 95-102 24623720-2 2014 The Rab exchange depends on the guanine nucleotide exchange factor activity of the Mon1-Ccz1 heterodimer for Ypt7. Guanine Nucleotides 32-50 CCZ1 homolog, vacuolar protein trafficking and biogenesis associated Homo sapiens 88-92 24501217-4 2014 We found decreased transcription of the Rac guanine nucleotide exchange factors Tiam1 and Vav1 in unstimulated peripheral blood CLL cells with almost complete loss of Tiam1 but increased transcription of the potential Rac antagonist RhoH. Guanine Nucleotides 44-62 AKT serine/threonine kinase 1 Homo sapiens 40-43 24596087-1 2014 Receptor-mediated activation of the Galpha subunit of heterotrimeric G proteins requires allosteric communication between the receptor binding site and the guanine nucleotide binding site, which are separated by >30 A. Guanine Nucleotides 156-174 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 36-42 24501217-4 2014 We found decreased transcription of the Rac guanine nucleotide exchange factors Tiam1 and Vav1 in unstimulated peripheral blood CLL cells with almost complete loss of Tiam1 but increased transcription of the potential Rac antagonist RhoH. Guanine Nucleotides 44-62 TIAM Rac1 associated GEF 1 Homo sapiens 80-85 24501217-4 2014 We found decreased transcription of the Rac guanine nucleotide exchange factors Tiam1 and Vav1 in unstimulated peripheral blood CLL cells with almost complete loss of Tiam1 but increased transcription of the potential Rac antagonist RhoH. Guanine Nucleotides 44-62 vav guanine nucleotide exchange factor 1 Homo sapiens 90-94 24501217-4 2014 We found decreased transcription of the Rac guanine nucleotide exchange factors Tiam1 and Vav1 in unstimulated peripheral blood CLL cells with almost complete loss of Tiam1 but increased transcription of the potential Rac antagonist RhoH. Guanine Nucleotides 44-62 TIAM Rac1 associated GEF 1 Homo sapiens 167-172 24501217-4 2014 We found decreased transcription of the Rac guanine nucleotide exchange factors Tiam1 and Vav1 in unstimulated peripheral blood CLL cells with almost complete loss of Tiam1 but increased transcription of the potential Rac antagonist RhoH. Guanine Nucleotides 44-62 AKT serine/threonine kinase 1 Homo sapiens 218-221 24501217-4 2014 We found decreased transcription of the Rac guanine nucleotide exchange factors Tiam1 and Vav1 in unstimulated peripheral blood CLL cells with almost complete loss of Tiam1 but increased transcription of the potential Rac antagonist RhoH. Guanine Nucleotides 44-62 ras homolog family member H Homo sapiens 233-237 24369434-4 2014 A fungal toxin, brefeldin A (BFA), inhibits a subset of guanine nucleotide exchange factors for ADP-ribosylation factor small GTPases (ARF GEFs) including GNOM, which plays a major role in localization of PIN1 predominantly to the basal side of the PM. Guanine Nucleotides 56-74 Auxin efflux carrier family protein Arabidopsis thaliana 205-209 24501423-8 2014 Point mutations in GLO-1, a Rab32/38-related protein, predicted to increase spontaneous guanine nucleotide exchange, specifically suppress the loss of gut granules by ccz-1 and glo-3 mutants. Guanine Nucleotides 88-106 Ras-related protein Rab Caenorhabditis elegans 19-24 24302560-1 2014 Activators of G protein signaling (AGS), initially discovered in the search for receptor-independent activators of G protein signaling, define a broad panel of biologic regulators that influence signal transfer from receptor to G-protein, guanine nucleotide binding and hydrolysis, G protein subunit interactions, and/or serve as alternative binding partners for Galpha and Gbetagamma independently of the classic heterotrimeric Galphabetagamma. Guanine Nucleotides 239-257 jagged canonical Notch ligand 1 Homo sapiens 101-134 24616501-2 2014 This process is controlled by the guanine nucleotide binding protein Rab5, which assembles protein microdomains that include the tethering protein early endosomal antigen (EEA) 1 and the phosphatidylinositol (PI) 3-kinase hVps34, which generates PI(3)P, a phospholipid required for membrane association of EEA1 and other fusion factors. Guanine Nucleotides 34-52 phosphatidylinositol 3-kinase catalytic subunit type 3 Homo sapiens 222-228 24647957-3 2014 BMP acts during development to provide competence for rapid synaptic growth by regulating the levels of the Rho-type guanine nucleotide exchange factor Trio, a transcriptional output of BMP-Smad signaling. Guanine Nucleotides 117-135 decapentaplegic Drosophila melanogaster 0-3 24647957-3 2014 BMP acts during development to provide competence for rapid synaptic growth by regulating the levels of the Rho-type guanine nucleotide exchange factor Trio, a transcriptional output of BMP-Smad signaling. Guanine Nucleotides 117-135 trio Drosophila melanogaster 152-156 24647957-3 2014 BMP acts during development to provide competence for rapid synaptic growth by regulating the levels of the Rho-type guanine nucleotide exchange factor Trio, a transcriptional output of BMP-Smad signaling. Guanine Nucleotides 117-135 decapentaplegic Drosophila melanogaster 186-189 24302560-1 2014 Activators of G protein signaling (AGS), initially discovered in the search for receptor-independent activators of G protein signaling, define a broad panel of biologic regulators that influence signal transfer from receptor to G-protein, guanine nucleotide binding and hydrolysis, G protein subunit interactions, and/or serve as alternative binding partners for Galpha and Gbetagamma independently of the classic heterotrimeric Galphabetagamma. Guanine Nucleotides 239-257 jagged canonical Notch ligand 1 Homo sapiens 0-33 24670416-7 2014 Of the 6,543 unique phosphopeptides identified (6,284 unique phosphorylation sites), 635 showed significant regulation, particularly those from proteins involved in cell migration (Rho guanine nucleotide exchange factors & MRCKalpha) and formation of focal adhesions. Guanine Nucleotides 185-203 CDC42 binding protein kinase alpha Homo sapiens 227-236 24628852-13 2014 The expression level and activity (phosphorylated form) of guanine nucleotide exchanger of Rac1, Vav, was moderately down-regulated. Guanine Nucleotides 59-77 Rac family small GTPase 1 Mus musculus 91-95 24628852-13 2014 The expression level and activity (phosphorylated form) of guanine nucleotide exchanger of Rac1, Vav, was moderately down-regulated. Guanine Nucleotides 59-77 vav 1 oncogene Mus musculus 97-100 24302560-1 2014 Activators of G protein signaling (AGS), initially discovered in the search for receptor-independent activators of G protein signaling, define a broad panel of biologic regulators that influence signal transfer from receptor to G-protein, guanine nucleotide binding and hydrolysis, G protein subunit interactions, and/or serve as alternative binding partners for Galpha and Gbetagamma independently of the classic heterotrimeric Galphabetagamma. Guanine Nucleotides 239-257 jagged canonical Notch ligand 1 Homo sapiens 35-38 24302560-1 2014 Activators of G protein signaling (AGS), initially discovered in the search for receptor-independent activators of G protein signaling, define a broad panel of biologic regulators that influence signal transfer from receptor to G-protein, guanine nucleotide binding and hydrolysis, G protein subunit interactions, and/or serve as alternative binding partners for Galpha and Gbetagamma independently of the classic heterotrimeric Galphabetagamma. Guanine Nucleotides 239-257 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 363-369 24302560-2 2014 AGS proteins generally fall into three groups based upon their interaction with and regulation of G protein subunits: group I, guanine nucleotide exchange factors (GEF); group II, guanine nucleotide dissociation inhibitors; and group III, entities that bind to Gbetagamma. Guanine Nucleotides 127-145 jagged canonical Notch ligand 1 Homo sapiens 0-3 24398689-11 2014 Molecular dynamics simulations suggested that the mechanism by which Tyr(34) nitration stimulates RhoA activity was through a decrease in GDP binding to the protein caused by a conformational change within a region of Switch I, mimicking the conformational shift observed when RhoA is bound to a guanine nucleotide exchange factor. Guanine Nucleotides 296-314 ras homolog family member A Mus musculus 98-102 24398689-11 2014 Molecular dynamics simulations suggested that the mechanism by which Tyr(34) nitration stimulates RhoA activity was through a decrease in GDP binding to the protein caused by a conformational change within a region of Switch I, mimicking the conformational shift observed when RhoA is bound to a guanine nucleotide exchange factor. Guanine Nucleotides 296-314 ras homolog family member A Mus musculus 277-281 24059811-5 2014 Measures were DNA methylation levels of six CpG sites in the promoter region of the OXTR gene (where a CpG site is a cytosine nucleotide occurs next to a guanine nucleotide in the linear sequence of bases along its lenth, linked together by phosphate binding), and OXT blood levels. Guanine Nucleotides 154-172 oxytocin receptor Homo sapiens 84-88 24141076-6 2014 Following previous reports, the 5 carboxy-terminal amino acid residues of the guanine nucleotide binding protein alpha-subunit (Galpha) in yeast Gpa1p were substituted with the equivalent human Galpha(q) sequences (Gpa1/Galpha(q) transplant). Guanine Nucleotides 78-96 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 128-134 24141076-6 2014 Following previous reports, the 5 carboxy-terminal amino acid residues of the guanine nucleotide binding protein alpha-subunit (Galpha) in yeast Gpa1p were substituted with the equivalent human Galpha(q) sequences (Gpa1/Galpha(q) transplant). Guanine Nucleotides 78-96 guanine nucleotide-binding protein subunit alpha Saccharomyces cerevisiae S288C 145-150 24141076-6 2014 Following previous reports, the 5 carboxy-terminal amino acid residues of the guanine nucleotide binding protein alpha-subunit (Galpha) in yeast Gpa1p were substituted with the equivalent human Galpha(q) sequences (Gpa1/Galpha(q) transplant). Guanine Nucleotides 78-96 guanine nucleotide-binding protein subunit alpha Saccharomyces cerevisiae S288C 145-149 24467208-3 2014 RhoA activity is regulated by guanine nucleotide exchange factors (GEFs) and GTPase activating proteins (GAPs) that are themselves regulated by many different signaling pathways. Guanine Nucleotides 30-48 ras homolog family member A Homo sapiens 0-4 24059811-5 2014 Measures were DNA methylation levels of six CpG sites in the promoter region of the OXTR gene (where a CpG site is a cytosine nucleotide occurs next to a guanine nucleotide in the linear sequence of bases along its lenth, linked together by phosphate binding), and OXT blood levels. Guanine Nucleotides 154-172 oxytocin/neurophysin I prepropeptide Homo sapiens 84-87 24231725-3 2014 The latter act as guanine-nucleotide exchange factors for the RAS-like small G proteins Rap1 and Rap2. Guanine Nucleotides 18-36 RAP1A, member of RAS oncogene family Homo sapiens 88-92 24605225-0 2014 Lentivirus vector-mediated Rho guanine nucleotide dissociation inhibitor 2 induces beta-2 adrenergic receptor desensitization in beta2AR desensitization mice model. Guanine Nucleotides 31-49 adrenergic receptor, beta 2 Mus musculus 83-109 24605225-0 2014 Lentivirus vector-mediated Rho guanine nucleotide dissociation inhibitor 2 induces beta-2 adrenergic receptor desensitization in beta2AR desensitization mice model. Guanine Nucleotides 31-49 adrenergic receptor, beta 2 Mus musculus 129-136 24231725-3 2014 The latter act as guanine-nucleotide exchange factors for the RAS-like small G proteins Rap1 and Rap2. Guanine Nucleotides 18-36 RAP2A, member of RAS oncogene family Homo sapiens 97-101 25332840-1 2013 The proteins that possess guanine nucleotide exchange factor (GEF) activity, which include about ~800 G protein coupled receptors (GPCRs),1 15 Arf GEFs,2 81 Rho GEFs,3 8 Ras GEFs,4 and others for other families of GTPases,5 catalyze the exchange of GTP for GDP on all regulatory guanine nucleotide binding proteins. Guanine Nucleotides 26-44 Ras protein specific guanine nucleotide releasing factor 1 Homo sapiens 62-65 24466322-13 2014 In addition, the Ile34Phe mutation reduced both guanine nucleotide binding and hydrolysis activities of RAB22A. Guanine Nucleotides 48-66 RAB22A, member RAS oncogene family Homo sapiens 104-110 25332841-2 2013 COPI recruitment is triggered by guanine nucleotide exchange activating the Arf1 GTPase, but the key exchange factor, GBF1, is a peripheral membrane component whose membrane association is dependent on another GTPase, Rab1. Guanine Nucleotides 33-51 ADP ribosylation factor 1 Homo sapiens 76-80 24409148-2 2014 The main DA Guanine nucleotide binding protein couple receptors (GPCRs) expressed by medium-sized spiny neurons of the striatum are the D1R and D2R, which are positively and negatively coupled to cyclic adenosine monophosphate (cAMP)/protein kinase A (PKA) signaling, respectively. Guanine Nucleotides 12-30 dopamine receptor D2 Homo sapiens 144-147 24385582-4 2014 During polarity establishment in an applied electric field, cathodal emergence of hyphae was lost when either of the two Cdc42 apical recycling pathways was disrupted by deletion of Rdi1, a guanine nucleotide dissociation inhibitor, or Bnr1, a formin, but was completely restored by extracellular Ca(2+). Guanine Nucleotides 190-208 Rho family GTPase CDC42 Saccharomyces cerevisiae S288C 121-126 24139303-2 2014 To control such a wide variety of actions of Arf6, activation of Arf6 could be precisely controlled by its activators, guanine nucleotide exchange factors (GEFs), in spatial and temporal manners. Guanine Nucleotides 119-137 ADP ribosylation factor 6 Homo sapiens 45-49 24259466-3 2014 These first-in-class covalent K-Ras inhibitors demonstrate that irreversible targeting of the K-Ras guanine-nucleotide binding site is potentially a viable therapeutic strategy for inhibition of Ras signaling. Guanine Nucleotides 100-118 KRAS proto-oncogene, GTPase Homo sapiens 30-35 24259466-3 2014 These first-in-class covalent K-Ras inhibitors demonstrate that irreversible targeting of the K-Ras guanine-nucleotide binding site is potentially a viable therapeutic strategy for inhibition of Ras signaling. Guanine Nucleotides 100-118 KRAS proto-oncogene, GTPase Homo sapiens 94-99 24328127-10 2014 We show here that the purified complex in Nanodiscs contains an activated rhodopsin with a covalently bound all-trans-retinal chromophore, that transducin has an empty nucleotide-binding pocket, that the isolated complex is active and dissociates upon addition of guanine nucleotide, and that the stoichiometry corresponds to exactly one molecule of rhodopsin and one molecule of transducin. Guanine Nucleotides 264-282 rhodopsin Homo sapiens 74-83 24139303-2 2014 To control such a wide variety of actions of Arf6, activation of Arf6 could be precisely controlled by its activators, guanine nucleotide exchange factors (GEFs), in spatial and temporal manners. Guanine Nucleotides 119-137 ADP ribosylation factor 6 Homo sapiens 65-69 24345679-2 2013 We showed that the circulating lysophospholipid sphingosine 1-phosphate (S1P), a G protein (heterotrimeric guanine nucleotide-binding protein)-coupled receptor (GPCR) agonist, signaled through RhoA and phospholipase Cepsilon (PLCepsilon) to increase the phosphorylation and activation of protein kinase D1 (PKD1). Guanine Nucleotides 107-125 ras homolog family member A Homo sapiens 193-197 24598074-4 2014 The participation of Rac is expressed in the following sequence: (1) Translocation of the RacGDP-RhoGDI complex to the membrane; (2) Dissociation of RacGDP from RhoGDI; (3) GDP to GTP exchange on Rac, mediated by a guanine nucleotide exchange factor; (4) Binding of RacGTP to p67(phox); (5) Induction of a conformational change in p67(phox), promoting interaction with Nox2. Guanine Nucleotides 215-233 AKT serine/threonine kinase 1 Homo sapiens 21-24 24598074-4 2014 The participation of Rac is expressed in the following sequence: (1) Translocation of the RacGDP-RhoGDI complex to the membrane; (2) Dissociation of RacGDP from RhoGDI; (3) GDP to GTP exchange on Rac, mediated by a guanine nucleotide exchange factor; (4) Binding of RacGTP to p67(phox); (5) Induction of a conformational change in p67(phox), promoting interaction with Nox2. Guanine Nucleotides 215-233 Rho GDP dissociation inhibitor alpha Homo sapiens 97-103 24598074-4 2014 The participation of Rac is expressed in the following sequence: (1) Translocation of the RacGDP-RhoGDI complex to the membrane; (2) Dissociation of RacGDP from RhoGDI; (3) GDP to GTP exchange on Rac, mediated by a guanine nucleotide exchange factor; (4) Binding of RacGTP to p67(phox); (5) Induction of a conformational change in p67(phox), promoting interaction with Nox2. Guanine Nucleotides 215-233 AKT serine/threonine kinase 1 Homo sapiens 90-93 24607953-2 2014 In this review, we focus on RhoA and Rac1--2 Rho GTPases that are required for efficient adhesion and migration--and describe how specific guanine nucleotide exchange factors (GEFs) and GTPase-activating proteins (GAPs) regulate the extensive crosstalk that exists between them. Guanine Nucleotides 139-157 ras homolog family member A Homo sapiens 28-32 24607953-2 2014 In this review, we focus on RhoA and Rac1--2 Rho GTPases that are required for efficient adhesion and migration--and describe how specific guanine nucleotide exchange factors (GEFs) and GTPase-activating proteins (GAPs) regulate the extensive crosstalk that exists between them. Guanine Nucleotides 139-157 Rac family small GTPase 1 Homo sapiens 37-41 24376733-0 2013 Crucial roles of Glu60 in human neuroglobin as a guanine nucleotide dissociation inhibitor and neuroprotective agent. Guanine Nucleotides 49-67 neuroglobin Homo sapiens 32-43 24376733-2 2013 We previously showed that human Ngb acts as a guanine nucleotide dissociation inhibitor (GDI) for the alpha-subunits of heterotrimeric Gi/o proteins and inhibits reductions in cAMP concentration, leading to protection against cell death. Guanine Nucleotides 46-64 neuroglobin Homo sapiens 32-35 24297911-6 2013 The enhancement of Cb-induced gephyrin clustering by GTP-TC10 does not depend on the guanine nucleotide exchange activity of Cb but involves an interaction that resembles reported interactions of other small GTPases with their effectors. Guanine Nucleotides 85-103 Cdc42 guanine nucleotide exchange factor 9 Homo sapiens 19-21 24297911-6 2013 The enhancement of Cb-induced gephyrin clustering by GTP-TC10 does not depend on the guanine nucleotide exchange activity of Cb but involves an interaction that resembles reported interactions of other small GTPases with their effectors. Guanine Nucleotides 85-103 gephyrin Homo sapiens 30-38 24352424-0 2013 eIF2B promotes eIF5 dissociation from eIF2*GDP to facilitate guanine nucleotide exchange for translation initiation. Guanine Nucleotides 61-79 eukaryotic translation initiation factor 2B subunit epsilon Homo sapiens 0-5 24352424-0 2013 eIF2B promotes eIF5 dissociation from eIF2*GDP to facilitate guanine nucleotide exchange for translation initiation. Guanine Nucleotides 61-79 eukaryotic translation initiation factor 5 Homo sapiens 15-19 24352424-0 2013 eIF2B promotes eIF5 dissociation from eIF2*GDP to facilitate guanine nucleotide exchange for translation initiation. Guanine Nucleotides 61-79 eukaryotic translation initiation factor 2 subunit alpha Homo sapiens 0-4 23915272-1 2013 We investigated a genetic pathway in root hair development in Arabidopsis thaliana, involving the receptor-like kinase FERONIA (FER), two guanine nucleotide exchange factors for ROPs (RopGEF4 and RopGEF10), and the small GTPase Rho of plants (ROPs). Guanine Nucleotides 138-156 Malectin/receptor-like protein kinase family protein Arabidopsis thaliana 119-122 24336796-2 2013 Here we analyze a new mouse missense variant, Rasgrp1(Anaef), with an ENU-mutated EF hand in the Rasgrp1 Ras guanine nucleotide exchange factor. Guanine Nucleotides 109-127 RAS guanyl releasing protein 1 Mus musculus 46-53 24336796-2 2013 Here we analyze a new mouse missense variant, Rasgrp1(Anaef), with an ENU-mutated EF hand in the Rasgrp1 Ras guanine nucleotide exchange factor. Guanine Nucleotides 109-127 RAS guanyl releasing protein 1 Mus musculus 97-104 23993968-10 2013 Furthermore, suppression of the activity of G proteins of the Galpha12/13 subfamily by adenoviral overexpression of the regulator of G protein signaling domain of LSC as well as siRNA-mediated knockdown of the Rho specific guanine nucleotide exchange factor leukemia associated RhoGEF (LARG) inhibited the S1P-induced activation of RhoC and concomitantly increased sprouting of HUVEC with similar efficacy. Guanine Nucleotides 223-241 G protein subunit alpha 12 Homo sapiens 62-70 23993968-10 2013 Furthermore, suppression of the activity of G proteins of the Galpha12/13 subfamily by adenoviral overexpression of the regulator of G protein signaling domain of LSC as well as siRNA-mediated knockdown of the Rho specific guanine nucleotide exchange factor leukemia associated RhoGEF (LARG) inhibited the S1P-induced activation of RhoC and concomitantly increased sprouting of HUVEC with similar efficacy. Guanine Nucleotides 223-241 Rho guanine nucleotide exchange factor 12 Homo sapiens 258-284 23526406-8 2013 Dedicator of cytokinesis 5 (Dock5), a Rho family guanine nucleotide exchanger, failed to associate with Src or Pyk2 in osteoclasts in the absence of p130Cas. Guanine Nucleotides 49-67 dedicator of cytokinesis 5 Mus musculus 28-33 24222714-0 2013 The ability of Sos1 to oligomerize the adaptor protein LAT is separable from its guanine nucleotide exchange activity in vivo. Guanine Nucleotides 81-99 SOS Ras/Rac guanine nucleotide exchange factor 1 Mus musculus 15-19 24285343-2 2013 Mon2/Ysl2, which shares significant homology with Sec7 family Arf guanine nucleotide exchange factors, was poorly characterized in mammalian cells. Guanine Nucleotides 66-84 MON2 homolog, regulator of endosome-to-Golgi trafficking Homo sapiens 0-4 24285343-2 2013 Mon2/Ysl2, which shares significant homology with Sec7 family Arf guanine nucleotide exchange factors, was poorly characterized in mammalian cells. Guanine Nucleotides 66-84 cytohesin 1 Homo sapiens 50-54 24106280-2 2013 Galpha12/13 subunits are known to activate the regulator of G-protein signaling-like family of guanine nucleotide exchange factors (RhoGEFs), which includes PDZ-RhoGEF (PRG) and leukemia-associated RhoGEF (LARG). Guanine Nucleotides 95-113 guanine nucleotide binding protein, alpha 12 Mus musculus 0-8 24106280-2 2013 Galpha12/13 subunits are known to activate the regulator of G-protein signaling-like family of guanine nucleotide exchange factors (RhoGEFs), which includes PDZ-RhoGEF (PRG) and leukemia-associated RhoGEF (LARG). Guanine Nucleotides 95-113 Rho guanine nucleotide exchange factor (GEF) 11 Mus musculus 157-167 24106280-2 2013 Galpha12/13 subunits are known to activate the regulator of G-protein signaling-like family of guanine nucleotide exchange factors (RhoGEFs), which includes PDZ-RhoGEF (PRG) and leukemia-associated RhoGEF (LARG). Guanine Nucleotides 95-113 Rho guanine nucleotide exchange factor (GEF) 11 Mus musculus 169-172 24106280-2 2013 Galpha12/13 subunits are known to activate the regulator of G-protein signaling-like family of guanine nucleotide exchange factors (RhoGEFs), which includes PDZ-RhoGEF (PRG) and leukemia-associated RhoGEF (LARG). Guanine Nucleotides 95-113 Rho guanine nucleotide exchange factor (GEF) 12 Mus musculus 178-204 24106280-2 2013 Galpha12/13 subunits are known to activate the regulator of G-protein signaling-like family of guanine nucleotide exchange factors (RhoGEFs), which includes PDZ-RhoGEF (PRG) and leukemia-associated RhoGEF (LARG). Guanine Nucleotides 95-113 Rho guanine nucleotide exchange factor (GEF) 12 Mus musculus 206-210 24072714-0 2013 Intermediates in the guanine nucleotide exchange reaction of Rab8 protein catalyzed by guanine nucleotide exchange factors Rabin8 and GRAB. Guanine Nucleotides 21-39 RAB8A, member RAS oncogene family Homo sapiens 61-65 24072714-0 2013 Intermediates in the guanine nucleotide exchange reaction of Rab8 protein catalyzed by guanine nucleotide exchange factors Rabin8 and GRAB. Guanine Nucleotides 21-39 RAB3A interacting protein Homo sapiens 123-129 24072714-0 2013 Intermediates in the guanine nucleotide exchange reaction of Rab8 protein catalyzed by guanine nucleotide exchange factors Rabin8 and GRAB. Guanine Nucleotides 21-39 RAB3A interacting protein like 1 Homo sapiens 134-138 24072714-0 2013 Intermediates in the guanine nucleotide exchange reaction of Rab8 protein catalyzed by guanine nucleotide exchange factors Rabin8 and GRAB. Guanine Nucleotides 87-105 RAB8A, member RAS oncogene family Homo sapiens 61-65 24072714-0 2013 Intermediates in the guanine nucleotide exchange reaction of Rab8 protein catalyzed by guanine nucleotide exchange factors Rabin8 and GRAB. Guanine Nucleotides 87-105 RAB3A interacting protein Homo sapiens 123-129 24072714-0 2013 Intermediates in the guanine nucleotide exchange reaction of Rab8 protein catalyzed by guanine nucleotide exchange factors Rabin8 and GRAB. Guanine Nucleotides 87-105 RAB3A interacting protein like 1 Homo sapiens 134-138 24043306-9 2013 T108 phosphorylation targets Rac1 to the nucleus, which isolates Rac1 from other guanine nucleotide exchange factors (GEFs) and hinders Rac1"s role in cell migration. Guanine Nucleotides 81-99 Rac family small GTPase 1 Homo sapiens 29-33 24140058-2 2013 Here, we show that GRAB/Rab3IL1 [guanine nucleotide exchange factor for Rab3A; RAB3A interacting protein (rabin3)-like 1], a protein that has previously be shown to act as a GEF (guanine nucleotide exchange factor) for Rab3a, Rab8a and Rab8b, is also a binding partner for Rab11a and Rab11b, but not the closely related Rab25 GTPase. Guanine Nucleotides 33-51 RAB3A interacting protein like 1 Homo sapiens 19-23 24140058-2 2013 Here, we show that GRAB/Rab3IL1 [guanine nucleotide exchange factor for Rab3A; RAB3A interacting protein (rabin3)-like 1], a protein that has previously be shown to act as a GEF (guanine nucleotide exchange factor) for Rab3a, Rab8a and Rab8b, is also a binding partner for Rab11a and Rab11b, but not the closely related Rab25 GTPase. Guanine Nucleotides 33-51 RAB3A interacting protein like 1 Homo sapiens 24-31 24140058-2 2013 Here, we show that GRAB/Rab3IL1 [guanine nucleotide exchange factor for Rab3A; RAB3A interacting protein (rabin3)-like 1], a protein that has previously be shown to act as a GEF (guanine nucleotide exchange factor) for Rab3a, Rab8a and Rab8b, is also a binding partner for Rab11a and Rab11b, but not the closely related Rab25 GTPase. Guanine Nucleotides 33-51 RAB3A, member RAS oncogene family Homo sapiens 72-77 24140058-2 2013 Here, we show that GRAB/Rab3IL1 [guanine nucleotide exchange factor for Rab3A; RAB3A interacting protein (rabin3)-like 1], a protein that has previously be shown to act as a GEF (guanine nucleotide exchange factor) for Rab3a, Rab8a and Rab8b, is also a binding partner for Rab11a and Rab11b, but not the closely related Rab25 GTPase. Guanine Nucleotides 33-51 RAB3A interacting protein like 1 Homo sapiens 79-120 24140058-2 2013 Here, we show that GRAB/Rab3IL1 [guanine nucleotide exchange factor for Rab3A; RAB3A interacting protein (rabin3)-like 1], a protein that has previously be shown to act as a GEF (guanine nucleotide exchange factor) for Rab3a, Rab8a and Rab8b, is also a binding partner for Rab11a and Rab11b, but not the closely related Rab25 GTPase. Guanine Nucleotides 33-51 RAB3A, member RAS oncogene family Homo sapiens 219-224 24140058-2 2013 Here, we show that GRAB/Rab3IL1 [guanine nucleotide exchange factor for Rab3A; RAB3A interacting protein (rabin3)-like 1], a protein that has previously be shown to act as a GEF (guanine nucleotide exchange factor) for Rab3a, Rab8a and Rab8b, is also a binding partner for Rab11a and Rab11b, but not the closely related Rab25 GTPase. Guanine Nucleotides 33-51 RAB8A, member RAS oncogene family Homo sapiens 226-231 24140058-2 2013 Here, we show that GRAB/Rab3IL1 [guanine nucleotide exchange factor for Rab3A; RAB3A interacting protein (rabin3)-like 1], a protein that has previously be shown to act as a GEF (guanine nucleotide exchange factor) for Rab3a, Rab8a and Rab8b, is also a binding partner for Rab11a and Rab11b, but not the closely related Rab25 GTPase. Guanine Nucleotides 33-51 RAB8B, member RAS oncogene family Homo sapiens 236-241 24140058-2 2013 Here, we show that GRAB/Rab3IL1 [guanine nucleotide exchange factor for Rab3A; RAB3A interacting protein (rabin3)-like 1], a protein that has previously be shown to act as a GEF (guanine nucleotide exchange factor) for Rab3a, Rab8a and Rab8b, is also a binding partner for Rab11a and Rab11b, but not the closely related Rab25 GTPase. Guanine Nucleotides 33-51 RAB11A, member RAS oncogene family Homo sapiens 273-279 24140058-2 2013 Here, we show that GRAB/Rab3IL1 [guanine nucleotide exchange factor for Rab3A; RAB3A interacting protein (rabin3)-like 1], a protein that has previously be shown to act as a GEF (guanine nucleotide exchange factor) for Rab3a, Rab8a and Rab8b, is also a binding partner for Rab11a and Rab11b, but not the closely related Rab25 GTPase. Guanine Nucleotides 33-51 RAB11B, member RAS oncogene family Homo sapiens 284-290 24140058-2 2013 Here, we show that GRAB/Rab3IL1 [guanine nucleotide exchange factor for Rab3A; RAB3A interacting protein (rabin3)-like 1], a protein that has previously be shown to act as a GEF (guanine nucleotide exchange factor) for Rab3a, Rab8a and Rab8b, is also a binding partner for Rab11a and Rab11b, but not the closely related Rab25 GTPase. Guanine Nucleotides 33-51 RAB25, member RAS oncogene family Homo sapiens 320-325 23816534-1 2013 p115RhoGEF is a member of a family of Rho-specific guanine nucleotide exchange factors that also contains a regulator of G protein signaling homology domain (RH-RhoGEFs) that serves as a link between Galpha13 signaling and RhoA activation. Guanine Nucleotides 51-69 Rho guanine nucleotide exchange factor 1 Homo sapiens 0-10 23816534-1 2013 p115RhoGEF is a member of a family of Rho-specific guanine nucleotide exchange factors that also contains a regulator of G protein signaling homology domain (RH-RhoGEFs) that serves as a link between Galpha13 signaling and RhoA activation. Guanine Nucleotides 51-69 G protein subunit alpha 13 Homo sapiens 200-208 23816534-1 2013 p115RhoGEF is a member of a family of Rho-specific guanine nucleotide exchange factors that also contains a regulator of G protein signaling homology domain (RH-RhoGEFs) that serves as a link between Galpha13 signaling and RhoA activation. Guanine Nucleotides 51-69 ras homolog family member A Homo sapiens 223-227 24563715-1 2013 The family of dedicator of cytokinesis (Dock), a protein family that belongs to the atypical Rho guanine nucleotide exchange factors (GEFs) for Rac and/or Cdc42 GTPases, plays pivotal roles in various processes of brain development. Guanine Nucleotides 97-115 AKT serine/threonine kinase 1 Homo sapiens 144-147 24563715-1 2013 The family of dedicator of cytokinesis (Dock), a protein family that belongs to the atypical Rho guanine nucleotide exchange factors (GEFs) for Rac and/or Cdc42 GTPases, plays pivotal roles in various processes of brain development. Guanine Nucleotides 97-115 cell division cycle 42 Homo sapiens 155-160 24141048-3 2013 HspB1 decreased PDZ-RhoGEF, a RhoA specific guanine nucleotide exchange factor, while other regulators of RhoA activity were unchanged. Guanine Nucleotides 44-62 heat shock protein family B (small) member 1 Rattus norvegicus 0-5 24141048-3 2013 HspB1 decreased PDZ-RhoGEF, a RhoA specific guanine nucleotide exchange factor, while other regulators of RhoA activity were unchanged. Guanine Nucleotides 44-62 ras homolog family member A Rattus norvegicus 30-34 24043306-9 2013 T108 phosphorylation targets Rac1 to the nucleus, which isolates Rac1 from other guanine nucleotide exchange factors (GEFs) and hinders Rac1"s role in cell migration. Guanine Nucleotides 81-99 Rac family small GTPase 1 Homo sapiens 65-69 24043306-9 2013 T108 phosphorylation targets Rac1 to the nucleus, which isolates Rac1 from other guanine nucleotide exchange factors (GEFs) and hinders Rac1"s role in cell migration. Guanine Nucleotides 81-99 Rac family small GTPase 1 Homo sapiens 65-69 23943872-2 2013 The spatiotemporal regulation of Arf1 activation is mediated by guanine nucleotide exchange factors (GEFs) of the GBF and BIG families, but the mechanisms of their localization to multiple sites within cells are poorly understood. Guanine Nucleotides 64-82 ADP ribosylation factor 1 Homo sapiens 33-37 23943872-2 2013 The spatiotemporal regulation of Arf1 activation is mediated by guanine nucleotide exchange factors (GEFs) of the GBF and BIG families, but the mechanisms of their localization to multiple sites within cells are poorly understood. Guanine Nucleotides 64-82 Kruppel like factor 6 Homo sapiens 114-117 24255780-0 2013 Lentivirus vector-mediated Rho guanine nucleotide dissociation inhibitor 2 overexpression induces beta-2 adrenergic receptor desensitization in airway smooth muscle cells. Guanine Nucleotides 31-49 adrenoceptor beta 2 Homo sapiens 98-124 24744772-1 2013 RasGRP proteins are activators of Ras and other related small GTPases by the virtue of functioning as guanine nucleotide exchange factors (GEFs). Guanine Nucleotides 102-120 RAS guanyl releasing protein 1 Mus musculus 0-6 23941980-2 2013 Adenomatous polyposis coli-associated exchange factor (Asef) is a canonical guanine nucleotide exchange factor of Cdc42 and renders Cdc42 to be guanosine-5"-triphosphate bound and activated. Guanine Nucleotides 76-94 Rho guanine nucleotide exchange factor 4 Homo sapiens 22-53 23941980-2 2013 Adenomatous polyposis coli-associated exchange factor (Asef) is a canonical guanine nucleotide exchange factor of Cdc42 and renders Cdc42 to be guanosine-5"-triphosphate bound and activated. Guanine Nucleotides 76-94 Rho guanine nucleotide exchange factor 4 Homo sapiens 55-59 23941980-2 2013 Adenomatous polyposis coli-associated exchange factor (Asef) is a canonical guanine nucleotide exchange factor of Cdc42 and renders Cdc42 to be guanosine-5"-triphosphate bound and activated. Guanine Nucleotides 76-94 cell division cycle 42 Homo sapiens 114-119 23941980-2 2013 Adenomatous polyposis coli-associated exchange factor (Asef) is a canonical guanine nucleotide exchange factor of Cdc42 and renders Cdc42 to be guanosine-5"-triphosphate bound and activated. Guanine Nucleotides 76-94 cell division cycle 42 Homo sapiens 132-137 24255780-3 2013 The full-length Rho guanine nucleotide dissociation inhibitor 2 (RhoGDI2) gene from ASMCs was amplified by RT-PCR, and RhoGDI2 gene was subcloned into the digested PWPXL plasmid. Guanine Nucleotides 20-38 Rho GDP dissociation inhibitor beta Homo sapiens 65-72 24069211-4 2013 The Ral guanine nucleotide disassociation (RalGDS) proteins are Ras-interacting proteins that are upregulated by hypertrophic stimuli. Guanine Nucleotides 8-26 v-ral simian leukemia viral oncogene A (ras related) Mus musculus 4-7 23893024-6 2013 In the present study, we examined the effect of a mutation in VPS9a, which encodes the sole guanine nucleotide exchange factor for all RAB5s in the vegetative stages of Arabidopsis thaliana. Guanine Nucleotides 92-110 Vacuolar sorting protein 9 (VPS9) domain-containing protein Arabidopsis thaliana 62-67 24062340-5 2013 In the absence of actin-based transport, polarization of Cdc42 is accomplished through Rdi1, the Cdc42 guanine nucleotide dissociation inhibitor. Guanine Nucleotides 103-121 Rho family GTPase CDC42 Saccharomyces cerevisiae S288C 57-62 24062340-5 2013 In the absence of actin-based transport, polarization of Cdc42 is accomplished through Rdi1, the Cdc42 guanine nucleotide dissociation inhibitor. Guanine Nucleotides 103-121 Rdi1p Saccharomyces cerevisiae S288C 87-91 24062340-5 2013 In the absence of actin-based transport, polarization of Cdc42 is accomplished through Rdi1, the Cdc42 guanine nucleotide dissociation inhibitor. Guanine Nucleotides 103-121 Rho family GTPase CDC42 Saccharomyces cerevisiae S288C 97-102 23825362-2 2013 We showed previously that the scavenger receptor CD36 contributes to the activation of Vav family guanine nucleotide exchange factors (Vavs) in aortae from hyperlipidemic apoE-null mice and that oxidatively modified low-density lipoprotein induced CD36-dependent activation of macrophage Vavs in vitro. Guanine Nucleotides 98-116 apolipoprotein E Mus musculus 171-175 23659792-2 2013 Signalling by the Ras G-proteins is initiated by the CDC25 homology domain (CDC25-HD) containing guanine nucleotide exchange factors (GEFs); each GEF, with its specific selectivity profile towards G-proteins, commonly acts on only a small subset of the Ras family members. Guanine Nucleotides 97-115 cell division cycle 25C Homo sapiens 53-58 23759445-3 2013 However, human Mphis also express EP4, a PGE2 receptor functionally closely related to EP2 that also couples to stimulatory guanine nucleotide binding protein, but the functional differences between EP2 and EP4 in Mtb-infected Mphis have been unclear. Guanine Nucleotides 124-142 prostaglandin E receptor 4 Homo sapiens 34-37 23759445-3 2013 However, human Mphis also express EP4, a PGE2 receptor functionally closely related to EP2 that also couples to stimulatory guanine nucleotide binding protein, but the functional differences between EP2 and EP4 in Mtb-infected Mphis have been unclear. Guanine Nucleotides 124-142 prostaglandin E receptor 2 Homo sapiens 87-90 23852370-1 2013 Dedicator of cytokinesis 3 (Dock3), a new member of the guanine nucleotide exchange factors for the small GTPase Rac1, promotes axon regeneration following optic nerve injury. Guanine Nucleotides 56-74 dedicator of cyto-kinesis 3 Mus musculus 28-33 23852370-1 2013 Dedicator of cytokinesis 3 (Dock3), a new member of the guanine nucleotide exchange factors for the small GTPase Rac1, promotes axon regeneration following optic nerve injury. Guanine Nucleotides 56-74 Rac family small GTPase 1 Mus musculus 113-117 24265856-1 2013 Rab family small GTPases function as molecular switches in the regulation of membrane traffic, and their activity is thought to be controlled by guanine nucleotide exchange factors (GEFs). Guanine Nucleotides 145-163 RAB21, member RAS oncogene family Mus musculus 0-3 23918382-1 2013 Brefeldin A-inhibited guanine nucleotide-exchange factors BIG1 and BIG2 activate, through their Sec7 domains, ADP ribosylation factors (Arfs) by accelerating the replacement of Arf-bound GDP with GTP for initiation of vesicular transport or activation of specific enzymes that modify important phospholipids. Guanine Nucleotides 22-40 ADP ribosylation factor guanine nucleotide exchange factor 1 Homo sapiens 58-62 23918382-1 2013 Brefeldin A-inhibited guanine nucleotide-exchange factors BIG1 and BIG2 activate, through their Sec7 domains, ADP ribosylation factors (Arfs) by accelerating the replacement of Arf-bound GDP with GTP for initiation of vesicular transport or activation of specific enzymes that modify important phospholipids. Guanine Nucleotides 22-40 ADP ribosylation factor guanine nucleotide exchange factor 2 Homo sapiens 67-71 23611588-6 2013 Consistently, the Rho guanine nucleotide exchange factors GEF-H1 and Cool-2/alphaPix are significantly activated by dephosphorylation and accumulation in the cytosolic fractions during the post-TBI phase. Guanine Nucleotides 22-40 Rho/Rac guanine nucleotide exchange factor 2 Rattus norvegicus 58-64 23659792-2 2013 Signalling by the Ras G-proteins is initiated by the CDC25 homology domain (CDC25-HD) containing guanine nucleotide exchange factors (GEFs); each GEF, with its specific selectivity profile towards G-proteins, commonly acts on only a small subset of the Ras family members. Guanine Nucleotides 97-115 cell division cycle 25C Homo sapiens 76-81 23900541-6 2013 The orthologous mammalian Rin1 protein has previously been identified as an effector for Ras GTPase and is now known to function as a guanine nucleotide exchange factor for Rab5 GTPase. Guanine Nucleotides 134-152 Ras and Rab interactor 1 Homo sapiens 26-30 23831625-0 2013 Guanine nucleotide exchange in the ribosomal GTPase EFL1 is modulated by the protein mutated in the Shwachman-Diamond syndrome. Guanine Nucleotides 0-18 GTPase RIA1 Saccharomyces cerevisiae S288C 52-56 23911318-5 2013 We found that AMPD2 plays an evolutionary conserved role in the maintenance of cellular guanine nucleotide pools by regulating the feedback inhibition of adenosine derivatives on de novo purine synthesis. Guanine Nucleotides 88-106 adenosine monophosphate deaminase 2 Homo sapiens 14-19 23901140-7 2013 The effects of CXCL12 on SLP-76 microcluster formation were dependent on the coupling of its receptor CXCR4 to G(i)-family G proteins (heterotrimeric guanine nucleotide-binding proteins). Guanine Nucleotides 150-168 C-X-C motif chemokine ligand 12 Homo sapiens 15-21 23612479-5 2013 In the present study, we report that in the presence of the 8-oxoG base, OGG1 physically interacts with guanine nucleotide-free and GDP-bound Rac1 protein. Guanine Nucleotides 104-122 8-oxoguanine DNA glycosylase Homo sapiens 73-77 23711155-1 2013 Human Drg1, a guanine nucleotide binding protein conserved in archaea and eukaryotes, is regulated by Lerepo4. Guanine Nucleotides 14-32 developmentally regulated GTP binding protein 1 Homo sapiens 6-10 23711155-1 2013 Human Drg1, a guanine nucleotide binding protein conserved in archaea and eukaryotes, is regulated by Lerepo4. Guanine Nucleotides 14-32 zinc finger CCCH-type containing 15 Homo sapiens 102-109 23747719-1 2013 GEP100, a guanine nucleotide exchanging factor (GEF) for Arf6, plays a pivotal role in promoting breast cancer cell invasion both in vitro and in vivo. Guanine Nucleotides 10-28 IQ motif and Sec7 domain ArfGEF 1 Homo sapiens 0-6 23747719-1 2013 GEP100, a guanine nucleotide exchanging factor (GEF) for Arf6, plays a pivotal role in promoting breast cancer cell invasion both in vitro and in vivo. Guanine Nucleotides 10-28 ADP ribosylation factor 6 Homo sapiens 57-61 23901140-7 2013 The effects of CXCL12 on SLP-76 microcluster formation were dependent on the coupling of its receptor CXCR4 to G(i)-family G proteins (heterotrimeric guanine nucleotide-binding proteins). Guanine Nucleotides 150-168 lymphocyte cytosolic protein 2 Homo sapiens 25-31 23901140-7 2013 The effects of CXCL12 on SLP-76 microcluster formation were dependent on the coupling of its receptor CXCR4 to G(i)-family G proteins (heterotrimeric guanine nucleotide-binding proteins). Guanine Nucleotides 150-168 C-X-C motif chemokine receptor 4 Homo sapiens 102-107 23239367-1 2013 DOCK180 family proteins are Rho guanine nucleotide exchange factors. Guanine Nucleotides 32-50 dedicator of cytokinesis 1 Mus musculus 0-7 23775072-2 2013 eIF2, a heterotrimeric G-protein, is activated by guanine nucleotide exchange to deliver the initiator methionyl-tRNA to the ribosome. Guanine Nucleotides 50-68 eukaryotic translation initiation factor 2 subunit gamma Homo sapiens 0-4 23775076-4 2013 Here we report that Src homology 3 domain-containing guanine nucleotide exchange factor (SGEF), a RhoG-specific guanine nucleotide exchange factor, is overexpressed in GB tumors and promotes TWEAK-Fn14-mediated glioma invasion. Guanine Nucleotides 53-71 Rho guanine nucleotide exchange factor 26 Homo sapiens 89-93 23775076-4 2013 Here we report that Src homology 3 domain-containing guanine nucleotide exchange factor (SGEF), a RhoG-specific guanine nucleotide exchange factor, is overexpressed in GB tumors and promotes TWEAK-Fn14-mediated glioma invasion. Guanine Nucleotides 53-71 ras homolog family member G Homo sapiens 98-102 23775076-4 2013 Here we report that Src homology 3 domain-containing guanine nucleotide exchange factor (SGEF), a RhoG-specific guanine nucleotide exchange factor, is overexpressed in GB tumors and promotes TWEAK-Fn14-mediated glioma invasion. Guanine Nucleotides 53-71 TNF superfamily member 12 Homo sapiens 191-196 23775076-4 2013 Here we report that Src homology 3 domain-containing guanine nucleotide exchange factor (SGEF), a RhoG-specific guanine nucleotide exchange factor, is overexpressed in GB tumors and promotes TWEAK-Fn14-mediated glioma invasion. Guanine Nucleotides 53-71 TNF receptor superfamily member 12A Homo sapiens 197-201 23698346-3 2013 We found that mutations of the guanine nucleotide exchange factor ArhGEF18 affect apicobasal polarity of the retinal neuroepithelium in medaka fish. Guanine Nucleotides 31-49 Rho/Rac guanine nucleotide exchange factor 18 Homo sapiens 66-74 23776598-2 2013 In all cell types studied to date, inactive Rho GTPases are present in the cytosol bound to the guanine nucleotide dissociation inhibitor RhoGDI. Guanine Nucleotides 96-114 Rho GDP dissociation inhibitor alpha Homo sapiens 138-144 23517829-0 2013 Signaling through Arf6 guanine-nucleotide exchange factor cytohesin-1 regulates migration in Schwann cells. Guanine Nucleotides 23-41 ADP ribosylation factor 6 Homo sapiens 18-22 23517829-0 2013 Signaling through Arf6 guanine-nucleotide exchange factor cytohesin-1 regulates migration in Schwann cells. Guanine Nucleotides 23-41 cytohesin 1 Homo sapiens 58-69 23506953-2 2013 Classically, signal transduction from the T cell antigen receptor (TCR) to ERK is thought to be regulated by signaling from Ras guanine nucleotide exchange factors (GEFs), through the small G protein Ras, to the three-tiered Raf-MAPK/ERK kinase (MEK)-ERK kinase cascade. Guanine Nucleotides 128-146 T cell receptor beta variable 20/OR9-2 (non-functional) Homo sapiens 42-65 23506953-2 2013 Classically, signal transduction from the T cell antigen receptor (TCR) to ERK is thought to be regulated by signaling from Ras guanine nucleotide exchange factors (GEFs), through the small G protein Ras, to the three-tiered Raf-MAPK/ERK kinase (MEK)-ERK kinase cascade. Guanine Nucleotides 128-146 T cell receptor beta variable 20/OR9-2 (non-functional) Homo sapiens 67-70 23506953-2 2013 Classically, signal transduction from the T cell antigen receptor (TCR) to ERK is thought to be regulated by signaling from Ras guanine nucleotide exchange factors (GEFs), through the small G protein Ras, to the three-tiered Raf-MAPK/ERK kinase (MEK)-ERK kinase cascade. Guanine Nucleotides 128-146 mitogen-activated protein kinase 1 Homo sapiens 75-78 23506953-2 2013 Classically, signal transduction from the T cell antigen receptor (TCR) to ERK is thought to be regulated by signaling from Ras guanine nucleotide exchange factors (GEFs), through the small G protein Ras, to the three-tiered Raf-MAPK/ERK kinase (MEK)-ERK kinase cascade. Guanine Nucleotides 128-146 zinc fingers and homeoboxes 2 Homo sapiens 225-228 23506953-2 2013 Classically, signal transduction from the T cell antigen receptor (TCR) to ERK is thought to be regulated by signaling from Ras guanine nucleotide exchange factors (GEFs), through the small G protein Ras, to the three-tiered Raf-MAPK/ERK kinase (MEK)-ERK kinase cascade. Guanine Nucleotides 128-146 mitogen-activated protein kinase 1 Homo sapiens 229-233 23506953-2 2013 Classically, signal transduction from the T cell antigen receptor (TCR) to ERK is thought to be regulated by signaling from Ras guanine nucleotide exchange factors (GEFs), through the small G protein Ras, to the three-tiered Raf-MAPK/ERK kinase (MEK)-ERK kinase cascade. Guanine Nucleotides 128-146 mitogen-activated protein kinase 1 Homo sapiens 234-237 23506953-2 2013 Classically, signal transduction from the T cell antigen receptor (TCR) to ERK is thought to be regulated by signaling from Ras guanine nucleotide exchange factors (GEFs), through the small G protein Ras, to the three-tiered Raf-MAPK/ERK kinase (MEK)-ERK kinase cascade. Guanine Nucleotides 128-146 mitogen-activated protein kinase 1 Homo sapiens 234-237 23512329-1 2013 The Rho-specific guanine nucleotide exchanging factor p114RhoGEF is involved in RhoA activation and cell motility. Guanine Nucleotides 17-35 Rho/Rac guanine nucleotide exchange factor 18 Homo sapiens 54-64 23512329-1 2013 The Rho-specific guanine nucleotide exchanging factor p114RhoGEF is involved in RhoA activation and cell motility. Guanine Nucleotides 17-35 ras homolog family member A Homo sapiens 80-84 23024212-2 2013 Our previous studies imply that ROP1 might be directly activated by RopGEF1, which belongs to a plant-specific family of Rho guanine nucleotide exchange factors (RopGEFs) and in turn may be activated by an unknown factor through releasing RopGEF1"s auto-inhibition. Guanine Nucleotides 125-143 RHO-related protein from plants 1 Arabidopsis thaliana 32-36 23024212-2 2013 Our previous studies imply that ROP1 might be directly activated by RopGEF1, which belongs to a plant-specific family of Rho guanine nucleotide exchange factors (RopGEFs) and in turn may be activated by an unknown factor through releasing RopGEF1"s auto-inhibition. Guanine Nucleotides 125-143 rho guanyl-nucleotide exchange factor 1 Arabidopsis thaliana 68-75 23024212-2 2013 Our previous studies imply that ROP1 might be directly activated by RopGEF1, which belongs to a plant-specific family of Rho guanine nucleotide exchange factors (RopGEFs) and in turn may be activated by an unknown factor through releasing RopGEF1"s auto-inhibition. Guanine Nucleotides 125-143 rho guanyl-nucleotide exchange factor 1 Arabidopsis thaliana 239-246 23718289-3 2013 Here we show that the guanine nucleotide exchange domain of DOCK7, DHR2 (for DOCK homology region 2), is a potent GEF for prenylated Cdc42 and Rac1 in a model liposome system, demonstrating that the prenylation and membrane localization of Cdc42 or Rac1 are necessary for their activation by DOCK7. Guanine Nucleotides 22-40 dedicator of cytokinesis 7 Homo sapiens 60-65 23718289-3 2013 Here we show that the guanine nucleotide exchange domain of DOCK7, DHR2 (for DOCK homology region 2), is a potent GEF for prenylated Cdc42 and Rac1 in a model liposome system, demonstrating that the prenylation and membrane localization of Cdc42 or Rac1 are necessary for their activation by DOCK7. Guanine Nucleotides 22-40 Ras protein specific guanine nucleotide releasing factor 1 Homo sapiens 114-117 23718289-3 2013 Here we show that the guanine nucleotide exchange domain of DOCK7, DHR2 (for DOCK homology region 2), is a potent GEF for prenylated Cdc42 and Rac1 in a model liposome system, demonstrating that the prenylation and membrane localization of Cdc42 or Rac1 are necessary for their activation by DOCK7. Guanine Nucleotides 22-40 cell division cycle 42 Homo sapiens 133-138 23718289-3 2013 Here we show that the guanine nucleotide exchange domain of DOCK7, DHR2 (for DOCK homology region 2), is a potent GEF for prenylated Cdc42 and Rac1 in a model liposome system, demonstrating that the prenylation and membrane localization of Cdc42 or Rac1 are necessary for their activation by DOCK7. Guanine Nucleotides 22-40 Rac family small GTPase 1 Homo sapiens 143-147 23718289-3 2013 Here we show that the guanine nucleotide exchange domain of DOCK7, DHR2 (for DOCK homology region 2), is a potent GEF for prenylated Cdc42 and Rac1 in a model liposome system, demonstrating that the prenylation and membrane localization of Cdc42 or Rac1 are necessary for their activation by DOCK7. Guanine Nucleotides 22-40 cell division cycle 42 Homo sapiens 240-245 23718289-3 2013 Here we show that the guanine nucleotide exchange domain of DOCK7, DHR2 (for DOCK homology region 2), is a potent GEF for prenylated Cdc42 and Rac1 in a model liposome system, demonstrating that the prenylation and membrane localization of Cdc42 or Rac1 are necessary for their activation by DOCK7. Guanine Nucleotides 22-40 Rac family small GTPase 1 Homo sapiens 249-253 23718289-3 2013 Here we show that the guanine nucleotide exchange domain of DOCK7, DHR2 (for DOCK homology region 2), is a potent GEF for prenylated Cdc42 and Rac1 in a model liposome system, demonstrating that the prenylation and membrane localization of Cdc42 or Rac1 are necessary for their activation by DOCK7. Guanine Nucleotides 22-40 dedicator of cytokinesis 7 Homo sapiens 292-297 23718289-6 2013 This recruitment results in a progressive increase in the effective concentration of DHR2s at the membrane surface that in turn provides for an accelerated rate of guanine nucleotide exchange on Cdc42. Guanine Nucleotides 164-182 cell division cycle 42 Homo sapiens 195-200 23716696-4 2013 Here we show that transport protein particle III (TRAPPIII), a conserved autophagy-specific guanine nucleotide exchange factor for Ypt1/Rab1, is recruited to the PAS by Atg17. Guanine Nucleotides 92-110 RAB1A, member RAS oncogene family Homo sapiens 131-135 23716696-4 2013 Here we show that transport protein particle III (TRAPPIII), a conserved autophagy-specific guanine nucleotide exchange factor for Ypt1/Rab1, is recruited to the PAS by Atg17. Guanine Nucleotides 92-110 RAB1A, member RAS oncogene family Homo sapiens 136-140 23716696-4 2013 Here we show that transport protein particle III (TRAPPIII), a conserved autophagy-specific guanine nucleotide exchange factor for Ypt1/Rab1, is recruited to the PAS by Atg17. Guanine Nucleotides 92-110 RB1 inducible coiled-coil 1 Homo sapiens 169-174 23255434-3 2013 The RGS domain of RGS14 exhibits GTPase accelerating protein (GAP) activity toward Galphai/o proteins, while its GPSM domain acts as a guanine nucleotide dissociation inhibitor (GDI) on Galphai1 and Galphai3. Guanine Nucleotides 135-153 regulator of G protein signaling 14 Homo sapiens 18-23 23595754-3 2013 By restricting the Rac1-guanine nucleotide exchange factor Tiam1 to spines, the polarity protein Par3 promotes synapse development by spatially controlling Rac1 activation. Guanine Nucleotides 24-42 Rac family small GTPase 1 Rattus norvegicus 19-23 23386609-0 2013 The Sec7 guanine nucleotide exchange factor GBF1 regulates membrane recruitment of BIG1 and BIG2 guanine nucleotide exchange factors to the trans-Golgi network (TGN). Guanine Nucleotides 9-27 cytohesin 1 Homo sapiens 4-8 23386609-0 2013 The Sec7 guanine nucleotide exchange factor GBF1 regulates membrane recruitment of BIG1 and BIG2 guanine nucleotide exchange factors to the trans-Golgi network (TGN). Guanine Nucleotides 9-27 golgi brefeldin A resistant guanine nucleotide exchange factor 1 Homo sapiens 44-48 23386609-0 2013 The Sec7 guanine nucleotide exchange factor GBF1 regulates membrane recruitment of BIG1 and BIG2 guanine nucleotide exchange factors to the trans-Golgi network (TGN). Guanine Nucleotides 9-27 ADP ribosylation factor guanine nucleotide exchange factor 1 Homo sapiens 83-87 23386609-0 2013 The Sec7 guanine nucleotide exchange factor GBF1 regulates membrane recruitment of BIG1 and BIG2 guanine nucleotide exchange factors to the trans-Golgi network (TGN). Guanine Nucleotides 9-27 ADP ribosylation factor guanine nucleotide exchange factor 2 Homo sapiens 92-96 23386609-0 2013 The Sec7 guanine nucleotide exchange factor GBF1 regulates membrane recruitment of BIG1 and BIG2 guanine nucleotide exchange factors to the trans-Golgi network (TGN). Guanine Nucleotides 97-115 cytohesin 1 Homo sapiens 4-8 23386609-0 2013 The Sec7 guanine nucleotide exchange factor GBF1 regulates membrane recruitment of BIG1 and BIG2 guanine nucleotide exchange factors to the trans-Golgi network (TGN). Guanine Nucleotides 97-115 golgi brefeldin A resistant guanine nucleotide exchange factor 1 Homo sapiens 44-48 23386609-0 2013 The Sec7 guanine nucleotide exchange factor GBF1 regulates membrane recruitment of BIG1 and BIG2 guanine nucleotide exchange factors to the trans-Golgi network (TGN). Guanine Nucleotides 97-115 ADP ribosylation factor guanine nucleotide exchange factor 2 Homo sapiens 92-96 23595754-3 2013 By restricting the Rac1-guanine nucleotide exchange factor Tiam1 to spines, the polarity protein Par3 promotes synapse development by spatially controlling Rac1 activation. Guanine Nucleotides 24-42 TIAM Rac1 associated GEF 1 Rattus norvegicus 59-64 23595754-3 2013 By restricting the Rac1-guanine nucleotide exchange factor Tiam1 to spines, the polarity protein Par3 promotes synapse development by spatially controlling Rac1 activation. Guanine Nucleotides 24-42 par-3 family cell polarity regulator Rattus norvegicus 97-101 23595754-3 2013 By restricting the Rac1-guanine nucleotide exchange factor Tiam1 to spines, the polarity protein Par3 promotes synapse development by spatially controlling Rac1 activation. Guanine Nucleotides 24-42 Rac family small GTPase 1 Rattus norvegicus 156-160 23601311-4 2013 We show that only the immobilized state of RCC1 interacts with Ran and conclude that its guanine nucleotide exchange activity is restricted to specific sites on chromatin. Guanine Nucleotides 89-107 regulator of chromosome condensation 1 Homo sapiens 43-47 23335589-7 2013 Indeed, we identified strongly augmented active HRAS(E63_D69dup) that co-precipitated with effectors RAF1, RAL guanine nucleotide dissociation stimulator and phospholipase C1. Guanine Nucleotides 111-129 HRas proto-oncogene, GTPase Homo sapiens 48-52 23335589-7 2013 Indeed, we identified strongly augmented active HRAS(E63_D69dup) that co-precipitated with effectors RAF1, RAL guanine nucleotide dissociation stimulator and phospholipase C1. Guanine Nucleotides 111-129 RAS like proto-oncogene A Homo sapiens 107-110 23576747-2 2013 Agonist-stimulated guanine nucleotide exchange activity of G-protein-coupled receptors results in the exchange of G-protein-bound GDP to GTP and the dissociation and activation of the complex into Galpha-GTP and a Gbetagamma dimer. Guanine Nucleotides 19-37 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 197-203 23533177-8 2013 We present evidence that Lis1 regulates localized Rac-PAK signaling in embryonic hair cells, probably through microtubule-associated Tiam1, a guanine nucleotide exchange factor for Rac. Guanine Nucleotides 142-160 platelet-activating factor acetylhydrolase, isoform 1b, subunit 1 Mus musculus 25-29 23364803-2 2013 The Epac family members, including Epac1 and Epac2, are guanine nucleotide exchange factors for the Ras-like small GTPases Rap1 and Rap2, and they function independently of protein kinase A. Guanine Nucleotides 56-74 Rap guanine nucleotide exchange factor 3 Homo sapiens 4-8 23364803-2 2013 The Epac family members, including Epac1 and Epac2, are guanine nucleotide exchange factors for the Ras-like small GTPases Rap1 and Rap2, and they function independently of protein kinase A. Guanine Nucleotides 56-74 Rap guanine nucleotide exchange factor 3 Homo sapiens 35-40 23364803-2 2013 The Epac family members, including Epac1 and Epac2, are guanine nucleotide exchange factors for the Ras-like small GTPases Rap1 and Rap2, and they function independently of protein kinase A. Guanine Nucleotides 56-74 Rap guanine nucleotide exchange factor 4 Homo sapiens 45-50 23364803-2 2013 The Epac family members, including Epac1 and Epac2, are guanine nucleotide exchange factors for the Ras-like small GTPases Rap1 and Rap2, and they function independently of protein kinase A. Guanine Nucleotides 56-74 RAP1A, member of RAS oncogene family Homo sapiens 123-127 23364803-2 2013 The Epac family members, including Epac1 and Epac2, are guanine nucleotide exchange factors for the Ras-like small GTPases Rap1 and Rap2, and they function independently of protein kinase A. Guanine Nucleotides 56-74 RAP2A, member of RAS oncogene family Homo sapiens 132-136 23533177-8 2013 We present evidence that Lis1 regulates localized Rac-PAK signaling in embryonic hair cells, probably through microtubule-associated Tiam1, a guanine nucleotide exchange factor for Rac. Guanine Nucleotides 142-160 thymoma viral proto-oncogene 1 Mus musculus 181-184 23533177-8 2013 We present evidence that Lis1 regulates localized Rac-PAK signaling in embryonic hair cells, probably through microtubule-associated Tiam1, a guanine nucleotide exchange factor for Rac. Guanine Nucleotides 142-160 thymoma viral proto-oncogene 1 Mus musculus 50-53 23533177-8 2013 We present evidence that Lis1 regulates localized Rac-PAK signaling in embryonic hair cells, probably through microtubule-associated Tiam1, a guanine nucleotide exchange factor for Rac. Guanine Nucleotides 142-160 T cell lymphoma invasion and metastasis 1 Mus musculus 133-138 23343834-4 2013 We report the role of P-Rex1, a Rac-specific guanine nucleotide exchanging factor, in integrin activation and leukocyte recruitment. Guanine Nucleotides 45-63 phosphatidylinositol-3,4,5-trisphosphate dependent Rac exchange factor 1 Homo sapiens 22-28 23404506-2 2013 EP2 receptors couple to Galphas and increase cAMP, which associates with protein kinase A (PKA) and cAMP-regulated guanine nucleotide exchange factors (Epacs). Guanine Nucleotides 115-133 prostaglandin E receptor 2 Rattus norvegicus 0-3 23424200-6 2013 Here, in an overexpression screen of Rho guanine nucleotide exchange factors (RhoGEFs), which can activate Rho GTPases, we identify CGEF-1 and ECT-2 as RhoGEFs that act through CDC-42 to recruit PAR-6 to the cortex. Guanine Nucleotides 41-59 DH domain-containing protein Caenorhabditis elegans 132-138 23424200-6 2013 Here, in an overexpression screen of Rho guanine nucleotide exchange factors (RhoGEFs), which can activate Rho GTPases, we identify CGEF-1 and ECT-2 as RhoGEFs that act through CDC-42 to recruit PAR-6 to the cortex. Guanine Nucleotides 41-59 ECT2 (mammalian Rho GEF) homolog Caenorhabditis elegans 143-148 23424200-6 2013 Here, in an overexpression screen of Rho guanine nucleotide exchange factors (RhoGEFs), which can activate Rho GTPases, we identify CGEF-1 and ECT-2 as RhoGEFs that act through CDC-42 to recruit PAR-6 to the cortex. Guanine Nucleotides 41-59 Cell division control protein 42 homolog Caenorhabditis elegans 177-183 23424200-6 2013 Here, in an overexpression screen of Rho guanine nucleotide exchange factors (RhoGEFs), which can activate Rho GTPases, we identify CGEF-1 and ECT-2 as RhoGEFs that act through CDC-42 to recruit PAR-6 to the cortex. Guanine Nucleotides 41-59 Partitioning defective protein 6 Caenorhabditis elegans 195-200 23531275-1 2013 BACKGROUND: Heterotrimeric guanine nucleotide binding proteins of the G12/13 subfamily, which includes the alpha-subunits Galpha12 and Galpha13, stimulate the monomeric G protein RhoA through interaction with a distinct subset of Rho-specific guanine nucleotide exchange factors (RhoGEFs). Guanine Nucleotides 27-45 G protein subunit alpha 12 Homo sapiens 122-130 23531275-1 2013 BACKGROUND: Heterotrimeric guanine nucleotide binding proteins of the G12/13 subfamily, which includes the alpha-subunits Galpha12 and Galpha13, stimulate the monomeric G protein RhoA through interaction with a distinct subset of Rho-specific guanine nucleotide exchange factors (RhoGEFs). Guanine Nucleotides 27-45 G protein subunit alpha 13 Homo sapiens 135-143 23531275-1 2013 BACKGROUND: Heterotrimeric guanine nucleotide binding proteins of the G12/13 subfamily, which includes the alpha-subunits Galpha12 and Galpha13, stimulate the monomeric G protein RhoA through interaction with a distinct subset of Rho-specific guanine nucleotide exchange factors (RhoGEFs). Guanine Nucleotides 27-45 ras homolog family member A Homo sapiens 179-183 23531275-1 2013 BACKGROUND: Heterotrimeric guanine nucleotide binding proteins of the G12/13 subfamily, which includes the alpha-subunits Galpha12 and Galpha13, stimulate the monomeric G protein RhoA through interaction with a distinct subset of Rho-specific guanine nucleotide exchange factors (RhoGEFs). Guanine Nucleotides 243-261 G protein subunit alpha 12 Homo sapiens 122-130 23531275-1 2013 BACKGROUND: Heterotrimeric guanine nucleotide binding proteins of the G12/13 subfamily, which includes the alpha-subunits Galpha12 and Galpha13, stimulate the monomeric G protein RhoA through interaction with a distinct subset of Rho-specific guanine nucleotide exchange factors (RhoGEFs). Guanine Nucleotides 243-261 G protein subunit alpha 13 Homo sapiens 135-143 23531275-1 2013 BACKGROUND: Heterotrimeric guanine nucleotide binding proteins of the G12/13 subfamily, which includes the alpha-subunits Galpha12 and Galpha13, stimulate the monomeric G protein RhoA through interaction with a distinct subset of Rho-specific guanine nucleotide exchange factors (RhoGEFs). Guanine Nucleotides 243-261 ras homolog family member A Homo sapiens 179-183 23467367-4 2013 By negative-staining EM, dynamin 1-cortactin complexes appeared as "open" or "closed" rings depending on guanine nucleotide conditions. Guanine Nucleotides 105-123 dynamin 1 Homo sapiens 25-34 23241358-4 2013 Although guanine nucleotide binding is critically required for the kinase activity of LRRK2, the contribution of GTP hydrolysis is not known. Guanine Nucleotides 9-27 leucine rich repeat kinase 2 Homo sapiens 86-91 23241358-7 2013 Our data demonstrate that guanine nucleotide binding and, to a lesser extent, GTP hydrolysis are required for maintaining normal kinase activity and both activities contribute to the GTP-dependent activation of LRRK2 kinase activity. Guanine Nucleotides 26-44 leucine rich repeat kinase 2 Homo sapiens 211-216 23241358-8 2013 Guanine nucleotide binding but not GTP hydrolysis regulates the dimerization, structure and stability of LRRK2. Guanine Nucleotides 0-18 leucine rich repeat kinase 2 Homo sapiens 105-110 23382385-5 2013 We report here the characterization of a Cdc42-selective guanine nucleotide binding lead inhibitor that was identified by high throughput screening. Guanine Nucleotides 57-75 cell division cycle 42 Homo sapiens 41-46 22543585-4 2013 Stable short hairpin RNA knockdown of PTEN in Caco-2 cells influenced expression or localization of cdc42 guanine nucleotide exchange factors and inhibited cdc42 activation. Guanine Nucleotides 106-124 phosphatase and tensin homolog Homo sapiens 38-42 22543585-4 2013 Stable short hairpin RNA knockdown of PTEN in Caco-2 cells influenced expression or localization of cdc42 guanine nucleotide exchange factors and inhibited cdc42 activation. Guanine Nucleotides 106-124 cell division cycle 42 Homo sapiens 100-105 23467367-4 2013 By negative-staining EM, dynamin 1-cortactin complexes appeared as "open" or "closed" rings depending on guanine nucleotide conditions. Guanine Nucleotides 105-123 cortactin Homo sapiens 35-44 22886754-0 2013 Distinct synaptic localization patterns of brefeldin A-resistant guanine nucleotide exchange factors BRAG2 and BRAG3 in the mouse retina. Guanine Nucleotides 65-83 IQ motif and Sec7 domain 1 Mus musculus 101-106 23200849-1 2013 Galpha(h) (or transglutaminase-2 (TG2)) is an atypical guanine nucleotide binding-protein that associates with G protein-coupled receptors. Guanine Nucleotides 55-73 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 0-6 23200849-1 2013 Galpha(h) (or transglutaminase-2 (TG2)) is an atypical guanine nucleotide binding-protein that associates with G protein-coupled receptors. Guanine Nucleotides 55-73 transglutaminase 2 Homo sapiens 14-32 23200849-1 2013 Galpha(h) (or transglutaminase-2 (TG2)) is an atypical guanine nucleotide binding-protein that associates with G protein-coupled receptors. Guanine Nucleotides 55-73 transglutaminase 2 Homo sapiens 34-37 22886754-1 2013 The BRAG/IQSEC is a family of guanine nucleotide exchange factors for ADP ribosylation factors, small GTPases that regulate membrane trafficking and actin cytoskeleton, and comprises three structurally related members (BRAG1-3) generated from different genes. Guanine Nucleotides 30-48 IQ motif and Sec7 domain 2 Mus musculus 219-224 22886754-0 2013 Distinct synaptic localization patterns of brefeldin A-resistant guanine nucleotide exchange factors BRAG2 and BRAG3 in the mouse retina. Guanine Nucleotides 65-83 IQ motif and Sec7 domain 3 Mus musculus 111-116 22886754-1 2013 The BRAG/IQSEC is a family of guanine nucleotide exchange factors for ADP ribosylation factors, small GTPases that regulate membrane trafficking and actin cytoskeleton, and comprises three structurally related members (BRAG1-3) generated from different genes. Guanine Nucleotides 30-48 carbohydrate sulfotransferase 15 Mus musculus 4-8 23212907-3 2013 We determined the effect of the nonreceptor guanine nucleotide exchange factors AGS1, GIV/Girdin, and Ric-8A on the interaction of two distinct GPR proteins, AGS3 and AGS4, with Galpha(il) in the intact cell by bioluminescence resonance energy transfer (BRET) in human embryonic kidney 293 cells. Guanine Nucleotides 44-62 G protein signaling modulator 1 Homo sapiens 158-162 23441967-8 2013 By binding to both cytohesin 2/ARNO and Dock180, GRASP bridges the guanine nucleotide exchange factors (GEFs) that activate Arf and Rac, thereby promoting Arf-to-Rac signaling. Guanine Nucleotides 67-85 cytohesin 2 Homo sapiens 19-30 23441967-8 2013 By binding to both cytohesin 2/ARNO and Dock180, GRASP bridges the guanine nucleotide exchange factors (GEFs) that activate Arf and Rac, thereby promoting Arf-to-Rac signaling. Guanine Nucleotides 67-85 cytohesin 2 Homo sapiens 31-35 23441967-8 2013 By binding to both cytohesin 2/ARNO and Dock180, GRASP bridges the guanine nucleotide exchange factors (GEFs) that activate Arf and Rac, thereby promoting Arf-to-Rac signaling. Guanine Nucleotides 67-85 dedicator of cytokinesis 1 Homo sapiens 40-47 23441967-8 2013 By binding to both cytohesin 2/ARNO and Dock180, GRASP bridges the guanine nucleotide exchange factors (GEFs) that activate Arf and Rac, thereby promoting Arf-to-Rac signaling. Guanine Nucleotides 67-85 trafficking regulator and scaffold protein tamalin Homo sapiens 49-54 23441967-8 2013 By binding to both cytohesin 2/ARNO and Dock180, GRASP bridges the guanine nucleotide exchange factors (GEFs) that activate Arf and Rac, thereby promoting Arf-to-Rac signaling. Guanine Nucleotides 67-85 AKT serine/threonine kinase 1 Homo sapiens 124-135 22450745-3 2013 This protein is activated by Ral guanine nucleotide exchange factors (RalGEFs) and inactivated by Ral GTPase-activating proteins (RalGAPs), the latter of which consist of heterodimers containing a catalytic alpha1 or alpha2 subunit and a common beta subunit. Guanine Nucleotides 33-51 RAS like proto-oncogene A Homo sapiens 29-32 22450745-3 2013 This protein is activated by Ral guanine nucleotide exchange factors (RalGEFs) and inactivated by Ral GTPase-activating proteins (RalGAPs), the latter of which consist of heterodimers containing a catalytic alpha1 or alpha2 subunit and a common beta subunit. Guanine Nucleotides 33-51 RAS like proto-oncogene A Homo sapiens 70-73 23220274-10 2013 This novel function of BIG1 was dependent on the guanine nucleotide-exchange activity and achieved through activation of ADP-ribosylation factor 1. Guanine Nucleotides 49-67 ADP ribosylation factor guanine nucleotide exchange factor 1 Homo sapiens 23-27 23220274-10 2013 This novel function of BIG1 was dependent on the guanine nucleotide-exchange activity and achieved through activation of ADP-ribosylation factor 1. Guanine Nucleotides 49-67 ADP ribosylation factor 1 Homo sapiens 121-146 23274495-2 2013 ITSN-2L possesses a carboxy-terminal extension encoding a Dbl homology domain (DH), a pleckstrin homology domain (PH) and a C2 domain, suggesting that it could act as a guanine nucleotide exchange factor for Rho-like GTPases. Guanine Nucleotides 169-187 intersectin 1 Homo sapiens 0-4 23212907-2 2013 GPR-Galpha signaling modules may be differentially regulated by cell surface receptors or by different nonreceptor guanine nucleotide exchange factors. Guanine Nucleotides 115-133 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 4-10 23212907-3 2013 We determined the effect of the nonreceptor guanine nucleotide exchange factors AGS1, GIV/Girdin, and Ric-8A on the interaction of two distinct GPR proteins, AGS3 and AGS4, with Galpha(il) in the intact cell by bioluminescence resonance energy transfer (BRET) in human embryonic kidney 293 cells. Guanine Nucleotides 44-62 three prime repair exonuclease 1 Homo sapiens 80-84 23334169-6 2013 When we locally concentrated nanoparticles conjugated with the upstream guanine nucleotide exchange factor RCC1, the assembly of microtubule fibres could be induced over a greater range of distances than RanGTP particles. Guanine Nucleotides 72-90 regulator of chromosome condensation 1 L homeolog Xenopus laevis 107-111 23255595-1 2013 The diffuse B-cell lymphoma (Dbl) family of the guanine nucleotide exchange factors is a direct activator of the Rho family proteins. Guanine Nucleotides 48-66 MCF.2 cell line derived transforming sequence Homo sapiens 29-32 23212907-3 2013 We determined the effect of the nonreceptor guanine nucleotide exchange factors AGS1, GIV/Girdin, and Ric-8A on the interaction of two distinct GPR proteins, AGS3 and AGS4, with Galpha(il) in the intact cell by bioluminescence resonance energy transfer (BRET) in human embryonic kidney 293 cells. Guanine Nucleotides 44-62 coiled-coil domain containing 88A Homo sapiens 86-89 23212907-3 2013 We determined the effect of the nonreceptor guanine nucleotide exchange factors AGS1, GIV/Girdin, and Ric-8A on the interaction of two distinct GPR proteins, AGS3 and AGS4, with Galpha(il) in the intact cell by bioluminescence resonance energy transfer (BRET) in human embryonic kidney 293 cells. Guanine Nucleotides 44-62 G protein signaling modulator 3 Homo sapiens 167-171 23212907-3 2013 We determined the effect of the nonreceptor guanine nucleotide exchange factors AGS1, GIV/Girdin, and Ric-8A on the interaction of two distinct GPR proteins, AGS3 and AGS4, with Galpha(il) in the intact cell by bioluminescence resonance energy transfer (BRET) in human embryonic kidney 293 cells. Guanine Nucleotides 44-62 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 178-184 21984379-4 2013 Biochemical data show that TG6 is allosterically regulated by Ca(2+) and guanine nucleotides. Guanine Nucleotides 73-92 transglutaminase 6 Homo sapiens 27-30 23177739-3 2013 Using a synthetic-biology approach and a genome-wide RNAi screen, we found that a highly conserved guanine nucleotide exchange factor, Trio, is essential for activating Rho- and Rac-regulated signaling pathways acting on JNK and p38, and thereby transducing proliferative signals from Galpha(q) to the nucleus independently of phospholipase C-beta. Guanine Nucleotides 99-117 trio Rho guanine nucleotide exchange factor Homo sapiens 135-139 23772378-2 2013 Here we show that S897 phosphorylation of EphA2 strengthens the interaction between EphA2 and Ephexin4, a guanine nucleotide exchange factor for the small GTPase RhoG. Guanine Nucleotides 106-124 EPH receptor A2 Homo sapiens 42-47 23772378-2 2013 Here we show that S897 phosphorylation of EphA2 strengthens the interaction between EphA2 and Ephexin4, a guanine nucleotide exchange factor for the small GTPase RhoG. Guanine Nucleotides 106-124 EPH receptor A2 Homo sapiens 84-89 23772378-2 2013 Here we show that S897 phosphorylation of EphA2 strengthens the interaction between EphA2 and Ephexin4, a guanine nucleotide exchange factor for the small GTPase RhoG. Guanine Nucleotides 106-124 Rho guanine nucleotide exchange factor 16 Homo sapiens 94-102 23772378-2 2013 Here we show that S897 phosphorylation of EphA2 strengthens the interaction between EphA2 and Ephexin4, a guanine nucleotide exchange factor for the small GTPase RhoG. Guanine Nucleotides 106-124 ras homolog family member G Homo sapiens 162-166 23811570-4 2013 Although the PH domain of KIAA1415/P-Rex1, another Gbetagamma subunit-activated guanine nucleotide exchange factor for Rho family small GTPases, binds to phosphatidylinositol 3,4,5-triphosphate and phosphatidylinositol 3,4-bisphosphate, the PH domain of FLJ00018 binds to polyphosphoinositides including phosphatidylinositol 4,5-bisphosphate, and phosphatidic acid. Guanine Nucleotides 80-98 phosphatidylinositol-3,4,5-trisphosphate dependent Rac exchange factor 1 Homo sapiens 35-41 25033803-3 2013 The small GTPase Rac acts as a pivotal binary switch that is turned "on" by guanine nucleotide exchange factors (GEFs) via a myriad of cell surface receptors, to regulate cancer cell migration, survival, and proliferation. Guanine Nucleotides 76-94 AKT serine/threonine kinase 1 Homo sapiens 17-20 24348237-2 2013 The yeast Saccharomyces cerevisiae under control of the GTPase Cdc42 is able to polarize without the help of cytoskeletal structures and spatial cues through a pathway depending on its guanine nucleotide dissociation inhibitor (GDI) Rdi1. Guanine Nucleotides 185-203 Rho family GTPase CDC42 Saccharomyces cerevisiae S288C 63-68 23197258-2 2013 SWAP-70-like adapter of T cells (SLAT), also known as Def6, is a novel guanine nucleotide exchange factor for the Cdc42 GTPase and plays a role in CD4(+) T cell activation and Th cell differentiation by controlling Ca(2+)/NFAT signaling, but its requirement in CD8(+) T cell response has not been explored. Guanine Nucleotides 71-89 DEF6 guanine nucleotide exchange factor Homo sapiens 33-37 23197258-2 2013 SWAP-70-like adapter of T cells (SLAT), also known as Def6, is a novel guanine nucleotide exchange factor for the Cdc42 GTPase and plays a role in CD4(+) T cell activation and Th cell differentiation by controlling Ca(2+)/NFAT signaling, but its requirement in CD8(+) T cell response has not been explored. Guanine Nucleotides 71-89 DEF6 guanine nucleotide exchange factor Homo sapiens 54-58 23197258-2 2013 SWAP-70-like adapter of T cells (SLAT), also known as Def6, is a novel guanine nucleotide exchange factor for the Cdc42 GTPase and plays a role in CD4(+) T cell activation and Th cell differentiation by controlling Ca(2+)/NFAT signaling, but its requirement in CD8(+) T cell response has not been explored. Guanine Nucleotides 71-89 cell division cycle 42 Homo sapiens 114-119 23197258-2 2013 SWAP-70-like adapter of T cells (SLAT), also known as Def6, is a novel guanine nucleotide exchange factor for the Cdc42 GTPase and plays a role in CD4(+) T cell activation and Th cell differentiation by controlling Ca(2+)/NFAT signaling, but its requirement in CD8(+) T cell response has not been explored. Guanine Nucleotides 71-89 CD4 molecule Homo sapiens 147-150 23197258-2 2013 SWAP-70-like adapter of T cells (SLAT), also known as Def6, is a novel guanine nucleotide exchange factor for the Cdc42 GTPase and plays a role in CD4(+) T cell activation and Th cell differentiation by controlling Ca(2+)/NFAT signaling, but its requirement in CD8(+) T cell response has not been explored. Guanine Nucleotides 71-89 CD8a molecule Homo sapiens 261-264 23651995-3 2013 Here, by integrating mathematical modelling with quantitative experimental validations, we show that in the yeast Saccharomyces cerevisiae a combination of actin- and guanine nucleotide dissociation inhibitor-dependent recycling of the central polarity regulator Cdc42 is needed to establish robust cell polarity at a single site during yeast budding. Guanine Nucleotides 167-185 Rho family GTPase CDC42 Saccharomyces cerevisiae S288C 263-268 23651995-4 2013 The guanine nucleotide dissociation inhibitor pathway consistently generates a single-polarization site, but requires Cdc42 to cycle rapidly between its active and inactive form, and is therefore sensitive to perturbations of the GTPase cycle. Guanine Nucleotides 4-22 Rho family GTPase CDC42 Saccharomyces cerevisiae S288C 118-123 22835604-0 2013 Rho guanine nucleotide exchange factor is an NFL mRNA destabilizing factor that forms cytoplasmic inclusions in amyotrophic lateral sclerosis. Guanine Nucleotides 4-22 neurofilament light chain Homo sapiens 45-48 24348237-2 2013 The yeast Saccharomyces cerevisiae under control of the GTPase Cdc42 is able to polarize without the help of cytoskeletal structures and spatial cues through a pathway depending on its guanine nucleotide dissociation inhibitor (GDI) Rdi1. Guanine Nucleotides 185-203 Rdi1p Saccharomyces cerevisiae S288C 233-237 23884432-1 2013 The p63RhoGEF and GEFT proteins are encoded by the same gene and both members of the Dbl family of guanine nucleotide exchange factors. Guanine Nucleotides 99-117 Rho guanine nucleotide exchange factor 25 Homo sapiens 4-13 23884432-1 2013 The p63RhoGEF and GEFT proteins are encoded by the same gene and both members of the Dbl family of guanine nucleotide exchange factors. Guanine Nucleotides 99-117 Rho guanine nucleotide exchange factor 25 Homo sapiens 18-22 23319116-7 2013 The catalytic efficiency depended strongly on the guanine nucleotide state and was highest for Arf6-GTP. Guanine Nucleotides 50-68 ADP ribosylation factor 6 Homo sapiens 95-99 22965143-3 2012 OBJECTIVE: By investigating phosphatidylinositol (3,4,5)-trisphosphate-dependent Rac exchanger 1 (P-Rex1), one of the Rac-specific guanine nucleotide exchange factors previously known for G protein-coupled receptor signaling, we sought to determine whether Rac-guanine nucleotide exchange factor is nodal for signal integration and potential target for drug intervention. Guanine Nucleotides 131-149 thymoma viral proto-oncogene 1 Mus musculus 81-84 23139415-4 2012 We identified an Epac1 inhibitor compound named CE3F4 that blocked Epac1 guanine nucleotide exchange activity toward its effector Rap1 both in cell-free systems and in intact cells. Guanine Nucleotides 73-91 Rap guanine nucleotide exchange factor 3 Homo sapiens 17-22 23139415-4 2012 We identified an Epac1 inhibitor compound named CE3F4 that blocked Epac1 guanine nucleotide exchange activity toward its effector Rap1 both in cell-free systems and in intact cells. Guanine Nucleotides 73-91 Rap guanine nucleotide exchange factor 3 Homo sapiens 67-72 23139415-4 2012 We identified an Epac1 inhibitor compound named CE3F4 that blocked Epac1 guanine nucleotide exchange activity toward its effector Rap1 both in cell-free systems and in intact cells. Guanine Nucleotides 73-91 RAP1A, member of RAS oncogene family Homo sapiens 130-134 23143065-1 2013 Adenosine 3",5"-cyclic adenosine monophosphate (cAMP) activates intracellular signaling by regulating protein kinase A, calcium influx, and cAMP-binging guanine nucleotide exchange factors (Epac [exchange protein directly activated by cAMP] or cAMP-GEF). Guanine Nucleotides 153-171 Rap guanine nucleotide exchange factor 3 Homo sapiens 190-194 23091056-4 2012 In yeast, Ric1p and Rgp1p form a complex that catalyzes guanine nucleotide exchange by Ypt6p, the Rab6 homolog. Guanine Nucleotides 56-74 Ric1p Saccharomyces cerevisiae S288C 10-15 23091056-4 2012 In yeast, Ric1p and Rgp1p form a complex that catalyzes guanine nucleotide exchange by Ypt6p, the Rab6 homolog. Guanine Nucleotides 56-74 Rgp1p Saccharomyces cerevisiae S288C 20-25 22965143-3 2012 OBJECTIVE: By investigating phosphatidylinositol (3,4,5)-trisphosphate-dependent Rac exchanger 1 (P-Rex1), one of the Rac-specific guanine nucleotide exchange factors previously known for G protein-coupled receptor signaling, we sought to determine whether Rac-guanine nucleotide exchange factor is nodal for signal integration and potential target for drug intervention. Guanine Nucleotides 131-149 phosphatidylinositol-3,4,5-trisphosphate-dependent Rac exchange factor 1 Mus musculus 98-104 23091056-4 2012 In yeast, Ric1p and Rgp1p form a complex that catalyzes guanine nucleotide exchange by Ypt6p, the Rab6 homolog. Guanine Nucleotides 56-74 Rab family GTPase YPT6 Saccharomyces cerevisiae S288C 87-92 22965143-3 2012 OBJECTIVE: By investigating phosphatidylinositol (3,4,5)-trisphosphate-dependent Rac exchanger 1 (P-Rex1), one of the Rac-specific guanine nucleotide exchange factors previously known for G protein-coupled receptor signaling, we sought to determine whether Rac-guanine nucleotide exchange factor is nodal for signal integration and potential target for drug intervention. Guanine Nucleotides 131-149 thymoma viral proto-oncogene 1 Mus musculus 118-121 22965143-3 2012 OBJECTIVE: By investigating phosphatidylinositol (3,4,5)-trisphosphate-dependent Rac exchanger 1 (P-Rex1), one of the Rac-specific guanine nucleotide exchange factors previously known for G protein-coupled receptor signaling, we sought to determine whether Rac-guanine nucleotide exchange factor is nodal for signal integration and potential target for drug intervention. Guanine Nucleotides 131-149 thymoma viral proto-oncogene 1 Mus musculus 118-121 22965143-3 2012 OBJECTIVE: By investigating phosphatidylinositol (3,4,5)-trisphosphate-dependent Rac exchanger 1 (P-Rex1), one of the Rac-specific guanine nucleotide exchange factors previously known for G protein-coupled receptor signaling, we sought to determine whether Rac-guanine nucleotide exchange factor is nodal for signal integration and potential target for drug intervention. Guanine Nucleotides 261-279 thymoma viral proto-oncogene 1 Mus musculus 81-84 22965143-3 2012 OBJECTIVE: By investigating phosphatidylinositol (3,4,5)-trisphosphate-dependent Rac exchanger 1 (P-Rex1), one of the Rac-specific guanine nucleotide exchange factors previously known for G protein-coupled receptor signaling, we sought to determine whether Rac-guanine nucleotide exchange factor is nodal for signal integration and potential target for drug intervention. Guanine Nucleotides 261-279 phosphatidylinositol-3,4,5-trisphosphate-dependent Rac exchange factor 1 Mus musculus 98-104 22965143-3 2012 OBJECTIVE: By investigating phosphatidylinositol (3,4,5)-trisphosphate-dependent Rac exchanger 1 (P-Rex1), one of the Rac-specific guanine nucleotide exchange factors previously known for G protein-coupled receptor signaling, we sought to determine whether Rac-guanine nucleotide exchange factor is nodal for signal integration and potential target for drug intervention. Guanine Nucleotides 261-279 thymoma viral proto-oncogene 1 Mus musculus 118-121 22965143-3 2012 OBJECTIVE: By investigating phosphatidylinositol (3,4,5)-trisphosphate-dependent Rac exchanger 1 (P-Rex1), one of the Rac-specific guanine nucleotide exchange factors previously known for G protein-coupled receptor signaling, we sought to determine whether Rac-guanine nucleotide exchange factor is nodal for signal integration and potential target for drug intervention. Guanine Nucleotides 261-279 thymoma viral proto-oncogene 1 Mus musculus 118-121 22718398-1 2012 RhoGDI2 is a guanine nucleotide dissociation inhibitor (GDI) specific for the Rho family of small GTPases that plays dual opposite roles in tumor progression, being both a promoter in tissues such as breast and a metastasis suppressor in tissues such as the bladder. Guanine Nucleotides 13-31 Rho GDP dissociation inhibitor beta Homo sapiens 0-7 22982396-1 2012 It is well established that the small GTPase Ras promotes tumor initiation by activating at least three different mediators: Raf, PI3K, and Ras-like (Ral) guanine nucleotide exchange factors. Guanine Nucleotides 155-173 phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit delta Homo sapiens 130-148 22982396-1 2012 It is well established that the small GTPase Ras promotes tumor initiation by activating at least three different mediators: Raf, PI3K, and Ras-like (Ral) guanine nucleotide exchange factors. Guanine Nucleotides 155-173 RAS like proto-oncogene A Homo sapiens 150-153 23177958-3 2012 We have identified two direct regulators of Rho family small GTPases, pebble (a Rho guanine nucleotide exchange factor [GEF]) and RhoGAPp190 (a GTPase activating protein [GAP]), that show robust interactions with the cytoplasmic domain of the Drosophila Sema-1a protein. Guanine Nucleotides 84-102 Rho GTPase activating protein p190 Drosophila melanogaster 130-140 23171003-1 2012 BACKGROUND: The aim of this study was to evaluate whether polymorphisms in the guanine nucleotide binding (G protein), beta polypeptide 1 (GNB1) gene are associated with a rapid virological response (RVR) among HCV genotype 1 (HCV-1) and 2 (HCV-2) infected patients receiving peginterferon plus ribavirin treatment (PEG-IFNalpha-RBV). Guanine Nucleotides 79-97 G protein subunit beta 1 Homo sapiens 139-143 23171003-1 2012 BACKGROUND: The aim of this study was to evaluate whether polymorphisms in the guanine nucleotide binding (G protein), beta polypeptide 1 (GNB1) gene are associated with a rapid virological response (RVR) among HCV genotype 1 (HCV-1) and 2 (HCV-2) infected patients receiving peginterferon plus ribavirin treatment (PEG-IFNalpha-RBV). Guanine Nucleotides 79-97 BMP binding endothelial regulator Homo sapiens 227-239 23171003-1 2012 BACKGROUND: The aim of this study was to evaluate whether polymorphisms in the guanine nucleotide binding (G protein), beta polypeptide 1 (GNB1) gene are associated with a rapid virological response (RVR) among HCV genotype 1 (HCV-1) and 2 (HCV-2) infected patients receiving peginterferon plus ribavirin treatment (PEG-IFNalpha-RBV). Guanine Nucleotides 79-97 BMP binding endothelial regulator Homo sapiens 241-246 22952234-1 2012 GoLoco (GL) motif-containing proteins regulate G protein signaling by binding to Galpha subunit and acting as guanine nucleotide dissociation inhibitors. Guanine Nucleotides 110-128 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 81-87 23014990-5 2012 The segregation of the ELMO clade from the larger ELMOD group is consistent with their contrasting functions as unconventional Rac1 guanine nucleotide exchange factors and the Arf family GTPase-activating proteins, respectively. Guanine Nucleotides 132-150 Rac family small GTPase 1 Homo sapiens 127-131 22983554-4 2012 We find that ASAP1 serves as a scaffold that brings together the proteins necessary for transport to the cilia including the GTP-binding protein Arf4 and the two G proteins of the Rab family--Rab11 and Rab8--linked by the Rab8 guanine nucleotide exchange factor Rabin8. Guanine Nucleotides 227-245 ArfGAP with SH3 domain, ankyrin repeat and PH domain 1 Homo sapiens 13-18 22983554-4 2012 We find that ASAP1 serves as a scaffold that brings together the proteins necessary for transport to the cilia including the GTP-binding protein Arf4 and the two G proteins of the Rab family--Rab11 and Rab8--linked by the Rab8 guanine nucleotide exchange factor Rabin8. Guanine Nucleotides 227-245 ADP ribosylation factor 4 Homo sapiens 145-149 22983554-4 2012 We find that ASAP1 serves as a scaffold that brings together the proteins necessary for transport to the cilia including the GTP-binding protein Arf4 and the two G proteins of the Rab family--Rab11 and Rab8--linked by the Rab8 guanine nucleotide exchange factor Rabin8. Guanine Nucleotides 227-245 RAB11A, member RAS oncogene family Homo sapiens 180-183 22983554-4 2012 We find that ASAP1 serves as a scaffold that brings together the proteins necessary for transport to the cilia including the GTP-binding protein Arf4 and the two G proteins of the Rab family--Rab11 and Rab8--linked by the Rab8 guanine nucleotide exchange factor Rabin8. Guanine Nucleotides 227-245 RAB11A, member RAS oncogene family Homo sapiens 192-197 22983554-4 2012 We find that ASAP1 serves as a scaffold that brings together the proteins necessary for transport to the cilia including the GTP-binding protein Arf4 and the two G proteins of the Rab family--Rab11 and Rab8--linked by the Rab8 guanine nucleotide exchange factor Rabin8. Guanine Nucleotides 227-245 RAB8A, member RAS oncogene family Homo sapiens 202-206 22983554-4 2012 We find that ASAP1 serves as a scaffold that brings together the proteins necessary for transport to the cilia including the GTP-binding protein Arf4 and the two G proteins of the Rab family--Rab11 and Rab8--linked by the Rab8 guanine nucleotide exchange factor Rabin8. Guanine Nucleotides 227-245 RAB8A, member RAS oncogene family Homo sapiens 222-226 22179837-4 2012 ADP ribosylation factor 6 (ARF6) was recently identified as an important mediator of cytoskeleton and cell motility, which is regulated by PIP3-dependent membrane translocation of the guanine nucleotide exchange factors (GEFs), such as ADP-ribosylation factor nucleotide binding site opener (ARNO) and general receptor for 3-phosphoinositides (GRP1). Guanine Nucleotides 184-202 ADP ribosylation factor 6 Homo sapiens 0-25 23033540-1 2012 The guanosine triphosphatases of the Rho and Rac subfamilies regulate protumorigenic pathways and are activated by guanine nucleotide exchange factors (Rho GEFs), which could be potential targets for anticancer therapies. Guanine Nucleotides 115-133 AKT serine/threonine kinase 1 Homo sapiens 45-48 22988866-3 2012 Studies with recombinant LRRK2 protein purified from eukaryotic cells have confirmed that LRRK2 binds guanine nucleotides and catalyses the hydrolysis of GTP to GDP. Guanine Nucleotides 102-121 leucine rich repeat kinase 2 Homo sapiens 25-30 22988866-3 2012 Studies with recombinant LRRK2 protein purified from eukaryotic cells have confirmed that LRRK2 binds guanine nucleotides and catalyses the hydrolysis of GTP to GDP. Guanine Nucleotides 102-121 leucine rich repeat kinase 2 Homo sapiens 90-95 22996016-3 2012 Arf1 is activated at the TGN by Sec7, the founding member of the Sec7 family of guanine nucleotide exchange factors (GEFs) and a close homolog of the human ARFGEF2 implicated in congenital defects in cerebral cortex development. Guanine Nucleotides 80-98 ADP ribosylation factor 1 Homo sapiens 0-4 22996016-3 2012 Arf1 is activated at the TGN by Sec7, the founding member of the Sec7 family of guanine nucleotide exchange factors (GEFs) and a close homolog of the human ARFGEF2 implicated in congenital defects in cerebral cortex development. Guanine Nucleotides 80-98 cytohesin 1 Homo sapiens 32-36 22996016-3 2012 Arf1 is activated at the TGN by Sec7, the founding member of the Sec7 family of guanine nucleotide exchange factors (GEFs) and a close homolog of the human ARFGEF2 implicated in congenital defects in cerebral cortex development. Guanine Nucleotides 80-98 cytohesin 1 Homo sapiens 65-69 22179837-4 2012 ADP ribosylation factor 6 (ARF6) was recently identified as an important mediator of cytoskeleton and cell motility, which is regulated by PIP3-dependent membrane translocation of the guanine nucleotide exchange factors (GEFs), such as ADP-ribosylation factor nucleotide binding site opener (ARNO) and general receptor for 3-phosphoinositides (GRP1). Guanine Nucleotides 184-202 ADP ribosylation factor 6 Homo sapiens 27-31 22179837-4 2012 ADP ribosylation factor 6 (ARF6) was recently identified as an important mediator of cytoskeleton and cell motility, which is regulated by PIP3-dependent membrane translocation of the guanine nucleotide exchange factors (GEFs), such as ADP-ribosylation factor nucleotide binding site opener (ARNO) and general receptor for 3-phosphoinositides (GRP1). Guanine Nucleotides 184-202 cytohesin 2 Homo sapiens 292-296 22179837-4 2012 ADP ribosylation factor 6 (ARF6) was recently identified as an important mediator of cytoskeleton and cell motility, which is regulated by PIP3-dependent membrane translocation of the guanine nucleotide exchange factors (GEFs), such as ADP-ribosylation factor nucleotide binding site opener (ARNO) and general receptor for 3-phosphoinositides (GRP1). Guanine Nucleotides 184-202 cytohesin 3 Homo sapiens 344-348 22846990-4 2012 Notably, L1 antibody-induced clustering leads to the association of ubiquitinated L1 with Rabex-5, a UBP and guanine nucleotide exchange factor for Rab5, via interaction with the motif interacting with Ub (MIU) domain, but not the A20-type zinc finger domain. Guanine Nucleotides 109-127 RAB guanine nucleotide exchange factor 1 Homo sapiens 90-97 22966858-2 2012 Previous work has identified roles for the Rho family guanine nucleotide exchange factors Trio and Vav3 in glioblastoma invasion. Guanine Nucleotides 54-72 trio Rho guanine nucleotide exchange factor Homo sapiens 90-94 22846990-4 2012 Notably, L1 antibody-induced clustering leads to the association of ubiquitinated L1 with Rabex-5, a UBP and guanine nucleotide exchange factor for Rab5, via interaction with the motif interacting with Ub (MIU) domain, but not the A20-type zinc finger domain. Guanine Nucleotides 109-127 RAB5A, member RAS oncogene family Homo sapiens 148-152 22735617-7 2012 We surmise that variable expression of nuo-3, a subunit of complex I, or of gdi-1, a guanine nucleotide dissociation inhibitor, may act in combination with defects in Q biosynthesis to produce a more severe phenotype. Guanine Nucleotides 85-103 Rab GDP dissociation inhibitor Caenorhabditis elegans 76-81 22829599-1 2012 Localization of DEF6 (SLAT/IBP), a Rho-family guanine nucleotide exchange factor, to the center of the immune synapse is dependent upon ITK, a Tec-family kinase that regulates the spatiotemporal organization of components of T cell signaling pathways and Cdc42-dependent actin polymerization. Guanine Nucleotides 46-64 DEF6 guanine nucleotide exchange factor Homo sapiens 16-20 22829599-1 2012 Localization of DEF6 (SLAT/IBP), a Rho-family guanine nucleotide exchange factor, to the center of the immune synapse is dependent upon ITK, a Tec-family kinase that regulates the spatiotemporal organization of components of T cell signaling pathways and Cdc42-dependent actin polymerization. Guanine Nucleotides 46-64 DEF6 guanine nucleotide exchange factor Homo sapiens 22-26 22829599-1 2012 Localization of DEF6 (SLAT/IBP), a Rho-family guanine nucleotide exchange factor, to the center of the immune synapse is dependent upon ITK, a Tec-family kinase that regulates the spatiotemporal organization of components of T cell signaling pathways and Cdc42-dependent actin polymerization. Guanine Nucleotides 46-64 DEF6 guanine nucleotide exchange factor Homo sapiens 27-30 22829599-1 2012 Localization of DEF6 (SLAT/IBP), a Rho-family guanine nucleotide exchange factor, to the center of the immune synapse is dependent upon ITK, a Tec-family kinase that regulates the spatiotemporal organization of components of T cell signaling pathways and Cdc42-dependent actin polymerization. Guanine Nucleotides 46-64 IL2 inducible T cell kinase Homo sapiens 136-139 22829599-1 2012 Localization of DEF6 (SLAT/IBP), a Rho-family guanine nucleotide exchange factor, to the center of the immune synapse is dependent upon ITK, a Tec-family kinase that regulates the spatiotemporal organization of components of T cell signaling pathways and Cdc42-dependent actin polymerization. Guanine Nucleotides 46-64 cell division cycle 42 Homo sapiens 255-260 22787280-8 2012 Thus guanine nucleotide specificity of the vacuolar fusion Rab Ypt7p is conferred through downstream posttranslational modification of its effector complex. Guanine Nucleotides 5-23 Rab family GTPase YPT7 Saccharomyces cerevisiae S288C 63-68 22815290-7 2012 The functional defects observed in Sh3bp2-/- neutrophils may partially be explained by the failure to fully activate Vav1 guanine nucleotide exchange factor and properly localize P-Rex1 guanine nucleotide exchange factor at the leading edge of migrating cells. Guanine Nucleotides 122-140 SH3 domain binding protein 2 Homo sapiens 35-41 22815290-7 2012 The functional defects observed in Sh3bp2-/- neutrophils may partially be explained by the failure to fully activate Vav1 guanine nucleotide exchange factor and properly localize P-Rex1 guanine nucleotide exchange factor at the leading edge of migrating cells. Guanine Nucleotides 186-204 SH3 domain binding protein 2 Homo sapiens 35-41 22815290-7 2012 The functional defects observed in Sh3bp2-/- neutrophils may partially be explained by the failure to fully activate Vav1 guanine nucleotide exchange factor and properly localize P-Rex1 guanine nucleotide exchange factor at the leading edge of migrating cells. Guanine Nucleotides 186-204 phosphatidylinositol-3,4,5-trisphosphate dependent Rac exchange factor 1 Homo sapiens 179-185 22949735-10 2012 These effects required binding of FAM123A to and inhibition of the guanine nucleotide exchange factor ARHGEF2, a microtubule-associated activator of RhoA. Guanine Nucleotides 67-85 APC membrane recruitment protein 2 Homo sapiens 34-41 22949735-10 2012 These effects required binding of FAM123A to and inhibition of the guanine nucleotide exchange factor ARHGEF2, a microtubule-associated activator of RhoA. Guanine Nucleotides 67-85 Rho/Rac guanine nucleotide exchange factor 2 Homo sapiens 102-109 22949735-10 2012 These effects required binding of FAM123A to and inhibition of the guanine nucleotide exchange factor ARHGEF2, a microtubule-associated activator of RhoA. Guanine Nucleotides 67-85 ras homolog family member A Homo sapiens 149-153 22511245-3 2012 Ric-8 belongs to a highly conserved protein family that regulates heterotrimeric G-protein function, acting as a non-canonical guanine nucleotide exchange factors (GEF) over a subset of Galpha subunits. Guanine Nucleotides 127-145 RIC8 guanine nucleotide exchange factor A Homo sapiens 0-5 22740700-4 2012 Here, we studied the thermodynamics of guanine nucleotide binding to SelB by isothermal titration calorimetry in the temperature range between 10 and 25 C using GTP, GDP, and two nonhydrolyzable GTP analogs, guanosine 5"-O-(gamma-thio)triphosphate (GTPgammaS) and guanosine 5"-(beta,gamma-imido)-triphosphate (GDPNP). Guanine Nucleotides 39-57 eukaryotic elongation factor, selenocysteine-tRNA specific Homo sapiens 69-73 22787149-6 2012 Moreover, we found that human ferric bis-His Ngb acts as a guanine nucleotide dissociation inhibitor for Galpha(i/o) that has been modified by oxidative stress. Guanine Nucleotides 59-77 neuroglobin Homo sapiens 45-48 22787149-6 2012 Moreover, we found that human ferric bis-His Ngb acts as a guanine nucleotide dissociation inhibitor for Galpha(i/o) that has been modified by oxidative stress. Guanine Nucleotides 59-77 G protein subunit alpha o1 Homo sapiens 105-115 22738401-1 2012 The human protein Rap1A (Rap) is a member of the Ras superfamily of GTPases that binds to the downstream effector Ral guanine nucleotide dissociation stimulator (RalGDS). Guanine Nucleotides 118-136 RAP1A, member of RAS oncogene family Homo sapiens 18-23 22738401-1 2012 The human protein Rap1A (Rap) is a member of the Ras superfamily of GTPases that binds to the downstream effector Ral guanine nucleotide dissociation stimulator (RalGDS). Guanine Nucleotides 118-136 RAP1A, member of RAS oncogene family Homo sapiens 18-21 22738401-1 2012 The human protein Rap1A (Rap) is a member of the Ras superfamily of GTPases that binds to the downstream effector Ral guanine nucleotide dissociation stimulator (RalGDS). Guanine Nucleotides 118-136 RAS like proto-oncogene A Homo sapiens 114-117 22738401-1 2012 The human protein Rap1A (Rap) is a member of the Ras superfamily of GTPases that binds to the downstream effector Ral guanine nucleotide dissociation stimulator (RalGDS). Guanine Nucleotides 118-136 ral guanine nucleotide dissociation stimulator Homo sapiens 162-168 22740700-5 2012 The binding of SelB to either guanine nucleotide is characterized by a large heat capacity change (-621, -467, -235, and -275 cal x mol(-1) x K(-1), with GTP, GTPgammaS, GDPNP, and GDP, respectively), associated with compensatory changes in binding entropy and enthalpy. Guanine Nucleotides 30-48 eukaryotic elongation factor, selenocysteine-tRNA specific Homo sapiens 15-19 22977732-4 2012 We present here the crystal structure of folliculin carboxy-terminal domain and demonstrate that it is distantly related to differentially expressed in normal cells and neoplasia (DENN) domain proteins, a family of Rab guanine nucleotide exchange factors (GEFs). Guanine Nucleotides 219-237 folliculin Homo sapiens 41-51 22977732-4 2012 We present here the crystal structure of folliculin carboxy-terminal domain and demonstrate that it is distantly related to differentially expressed in normal cells and neoplasia (DENN) domain proteins, a family of Rab guanine nucleotide exchange factors (GEFs). Guanine Nucleotides 219-237 MAP kinase activating death domain Homo sapiens 180-184 22692505-2 2012 In the present study, we present the cellular and molecular roles of the Rho GTPase guanine nucleotide exchange factor Vav in lymphoid leukemogenesis and explore the roles of Vav proteins in BCR-ABL-dependent signaling. Guanine Nucleotides 84-102 vav guanine nucleotide exchange factor 1 Homo sapiens 119-122 22818197-5 2012 Then, we show the results on cAMP oscillations when perturbing the amount of protein Cdc25 coupled with the alteration of the intracellular ratio of the guanine nucleotides (GTP/GDP), which are known to regulate the switch of the GTPase Ras protein. Guanine Nucleotides 153-172 Ras family guanine nucleotide exchange factor CDC25 Saccharomyces cerevisiae S288C 85-90 22683260-4 2012 SPK1 belongs to the conserved DHR2-Dock family of Rho guanine nucleotide exchange factors. Guanine Nucleotides 54-72 guanyl-nucleotide exchange factors;GTPase binding;GTP binding protein Arabidopsis thaliana 0-4 22571869-0 2012 Cdc42 and the guanine nucleotide exchange factors Ect2 and trio mediate Fn14-induced migration and invasion of glioblastoma cells. Guanine Nucleotides 14-32 ect2 oncogene Mus musculus 50-54 22705394-4 2012 Here, we show that the TI-VAMP/VAMP7 partner Varp, a Rab21 guanine nucleotide exchange factor, interacts with GolginA4 and the kinesin 1 Kif5A. Guanine Nucleotides 59-77 vesicle associated membrane protein 7 Homo sapiens 23-30 22705394-4 2012 Here, we show that the TI-VAMP/VAMP7 partner Varp, a Rab21 guanine nucleotide exchange factor, interacts with GolginA4 and the kinesin 1 Kif5A. Guanine Nucleotides 59-77 vesicle associated membrane protein 7 Homo sapiens 31-36 22705394-4 2012 Here, we show that the TI-VAMP/VAMP7 partner Varp, a Rab21 guanine nucleotide exchange factor, interacts with GolginA4 and the kinesin 1 Kif5A. Guanine Nucleotides 59-77 ankyrin repeat domain 27 Homo sapiens 45-49 22705394-4 2012 Here, we show that the TI-VAMP/VAMP7 partner Varp, a Rab21 guanine nucleotide exchange factor, interacts with GolginA4 and the kinesin 1 Kif5A. Guanine Nucleotides 59-77 RAB21, member RAS oncogene family Homo sapiens 53-58 22705394-4 2012 Here, we show that the TI-VAMP/VAMP7 partner Varp, a Rab21 guanine nucleotide exchange factor, interacts with GolginA4 and the kinesin 1 Kif5A. Guanine Nucleotides 59-77 golgin A4 Homo sapiens 110-118 22705394-4 2012 Here, we show that the TI-VAMP/VAMP7 partner Varp, a Rab21 guanine nucleotide exchange factor, interacts with GolginA4 and the kinesin 1 Kif5A. Guanine Nucleotides 59-77 kinesin family member 5A Homo sapiens 137-142 22711838-5 2012 Consistent with this model, an acetylation-mimetic mutation in K-RAS4B suppressed guanine nucleotide exchange factor-induced nucleotide exchange and inhibited in vitro transforming activity. Guanine Nucleotides 82-100 KRAS proto-oncogene, GTPase Homo sapiens 63-70 22593205-5 2012 Recognition of Ypt7 by retromer is required for its function in retrograde sorting, and in yeast cells lacking the guanine nucleotide exchange factor for Ypt7, retrograde cargo accumulates in endosomes that are decorated with retromer, revealing an additional role for Rab recognition at the cargo export stage of the retromer functional cycle. Guanine Nucleotides 115-133 Rab family GTPase YPT7 Saccharomyces cerevisiae S288C 15-19 22593205-5 2012 Recognition of Ypt7 by retromer is required for its function in retrograde sorting, and in yeast cells lacking the guanine nucleotide exchange factor for Ypt7, retrograde cargo accumulates in endosomes that are decorated with retromer, revealing an additional role for Rab recognition at the cargo export stage of the retromer functional cycle. Guanine Nucleotides 115-133 Rab family GTPase YPT7 Saccharomyces cerevisiae S288C 154-158 22593205-5 2012 Recognition of Ypt7 by retromer is required for its function in retrograde sorting, and in yeast cells lacking the guanine nucleotide exchange factor for Ypt7, retrograde cargo accumulates in endosomes that are decorated with retromer, revealing an additional role for Rab recognition at the cargo export stage of the retromer functional cycle. Guanine Nucleotides 115-133 RAB7A, member RAS oncogene family Homo sapiens 269-272 22467863-8 2012 Analysis of Rac guanine nucleotide exchange factors (GEFs) suggests that radixin affects the activity of Vav GEFs. Guanine Nucleotides 16-34 radixin Homo sapiens 73-80 22467863-8 2012 Analysis of Rac guanine nucleotide exchange factors (GEFs) suggests that radixin affects the activity of Vav GEFs. Guanine Nucleotides 16-34 vav guanine nucleotide exchange factor 1 Homo sapiens 105-108 22658723-2 2012 Inosine monophosphate dehydrogenase (IMPDH) controls the guanine nucleotide pool and, thereby, cell proliferation. Guanine Nucleotides 57-75 raspberry Drosophila melanogaster 37-42 22573891-3 2012 Here we show that GBF1, a guanine nucleotide exchanging factor for Arf-GTPases, is primarily responsible for Arf1 activation upon GPCR stimulation and is important for neutrophil chemotaxis and superoxide production. Guanine Nucleotides 26-44 golgi brefeldin A resistant guanine nucleotide exchange factor 1 Homo sapiens 18-22 22573891-3 2012 Here we show that GBF1, a guanine nucleotide exchanging factor for Arf-GTPases, is primarily responsible for Arf1 activation upon GPCR stimulation and is important for neutrophil chemotaxis and superoxide production. Guanine Nucleotides 26-44 ADP ribosylation factor 1 Homo sapiens 109-113 22571869-0 2012 Cdc42 and the guanine nucleotide exchange factors Ect2 and trio mediate Fn14-induced migration and invasion of glioblastoma cells. Guanine Nucleotides 14-32 triple functional domain (PTPRF interacting) Mus musculus 59-63 22648798-4 2012 Here, we find that in vivo, the alpha-catenin homologue-alpha-catulin, a protein originally reported to interact with Lbc Rho guanine nucleotide exchange factor, is highly expressed at the tumor invasion front and in the metastatic streams of cells in both malignant hHNSCCs and a mouse model of oral SCC. Guanine Nucleotides 126-144 catenin (cadherin associated protein), alpha-like 1 Mus musculus 56-69 22648798-4 2012 Here, we find that in vivo, the alpha-catenin homologue-alpha-catulin, a protein originally reported to interact with Lbc Rho guanine nucleotide exchange factor, is highly expressed at the tumor invasion front and in the metastatic streams of cells in both malignant hHNSCCs and a mouse model of oral SCC. Guanine Nucleotides 126-144 serpin family B member 3 Homo sapiens 270-273 22571869-0 2012 Cdc42 and the guanine nucleotide exchange factors Ect2 and trio mediate Fn14-induced migration and invasion of glioblastoma cells. Guanine Nucleotides 14-32 tumor necrosis factor receptor superfamily, member 12a Mus musculus 72-76 22385209-4 2012 We mutated this glutamine to every amino acid except cysteine and proline and then incubated these mutants with a Ral guanine nucleotide dissociation stimulator (Ral) containing the I18C mutation that was chemically labeled with a thiocyanate vibrational spectroscopic probe. Guanine Nucleotides 118-136 RAS like proto-oncogene A Homo sapiens 114-117 22647486-5 2012 Elmo and Dock180 proteins form ELMO/Dock180 complexes functioning as guanine nucleotide exchange factors (GEFs) for Rac activation. Guanine Nucleotides 69-87 dedicator of cytokinesis 1 Homo sapiens 9-16 22647486-5 2012 Elmo and Dock180 proteins form ELMO/Dock180 complexes functioning as guanine nucleotide exchange factors (GEFs) for Rac activation. Guanine Nucleotides 69-87 dedicator of cytokinesis 1 Homo sapiens 36-43 22647486-5 2012 Elmo and Dock180 proteins form ELMO/Dock180 complexes functioning as guanine nucleotide exchange factors (GEFs) for Rac activation. Guanine Nucleotides 69-87 AKT serine/threonine kinase 1 Homo sapiens 116-119 22607683-1 2012 Exchange proteins directly activated by cAMP (Epac) are a family of guanine nucleotide exchange factors that regulate a wide variety of intracellular processes in response to second messenger cAMP. Guanine Nucleotides 68-86 Rap guanine nucleotide exchange factor 3 Homo sapiens 46-50 22654768-2 2012 betaPix is one of guanine nucleotide exchange factors (GEFs) that catalyze the exchange of bound GDP for ambient GTP. Guanine Nucleotides 18-36 Rho guanine nucleotide exchange factor 7 Homo sapiens 0-7 22362774-3 2012 Structural and biochemical analysis of the SopB GTPase binding domain in complex with Cdc42 shows for the first time that SopB structurally and functionally mimics a host guanine nucleotide dissociation inhibitor (GDI) by contacting key residues in the regulatory switch regions of Cdc42 and slowing Cdc42 nucleotide exchange. Guanine Nucleotides 171-189 cell division cycle 42 Homo sapiens 86-91 22362774-3 2012 Structural and biochemical analysis of the SopB GTPase binding domain in complex with Cdc42 shows for the first time that SopB structurally and functionally mimics a host guanine nucleotide dissociation inhibitor (GDI) by contacting key residues in the regulatory switch regions of Cdc42 and slowing Cdc42 nucleotide exchange. Guanine Nucleotides 171-189 cell division cycle 42 Homo sapiens 282-287 22362774-3 2012 Structural and biochemical analysis of the SopB GTPase binding domain in complex with Cdc42 shows for the first time that SopB structurally and functionally mimics a host guanine nucleotide dissociation inhibitor (GDI) by contacting key residues in the regulatory switch regions of Cdc42 and slowing Cdc42 nucleotide exchange. Guanine Nucleotides 171-189 cell division cycle 42 Homo sapiens 282-287 22596063-5 2012 Furthermore, the lipid raft protein caveolin-1 (CAV1) functions as a scaffold and guanine nucleotide dissociation inhibitor protein for CDC42, which is inactivated when associated with CAV1. Guanine Nucleotides 82-100 caveolin 1 Homo sapiens 36-46 22596063-5 2012 Furthermore, the lipid raft protein caveolin-1 (CAV1) functions as a scaffold and guanine nucleotide dissociation inhibitor protein for CDC42, which is inactivated when associated with CAV1. Guanine Nucleotides 82-100 caveolin 1 Homo sapiens 48-52 22596063-5 2012 Furthermore, the lipid raft protein caveolin-1 (CAV1) functions as a scaffold and guanine nucleotide dissociation inhibitor protein for CDC42, which is inactivated when associated with CAV1. Guanine Nucleotides 82-100 cell division cycle 42 Homo sapiens 136-141 22596063-5 2012 Furthermore, the lipid raft protein caveolin-1 (CAV1) functions as a scaffold and guanine nucleotide dissociation inhibitor protein for CDC42, which is inactivated when associated with CAV1. Guanine Nucleotides 82-100 caveolin 1 Homo sapiens 185-189 22523074-0 2012 ARF6 activated by the LHCG receptor through the cytohesin family of guanine nucleotide exchange factors mediates the receptor internalization and signaling. Guanine Nucleotides 68-86 ADP ribosylation factor 6 Homo sapiens 0-4 22492845-6 2012 The endocytosis of ABCB4 was not dependent on the GNOM-LIKE1 function, and the sensitivity of ABCB4 to brefeldin A required guanine nucleotide exchange factors for adenosyl ribosylation factor other than GNOM. Guanine Nucleotides 124-142 ATP binding cassette subfamily B4 Arabidopsis thaliana 94-99 22433857-2 2012 Recent studies have demonstrated that polarized vesicular trafficking involving the small GTPase Rab8 and its guanine nucleotide exchange factor Rabin8 is essential for primary ciliogenesis. Guanine Nucleotides 110-128 RAB8A, member RAS oncogene family Homo sapiens 97-101 22433857-2 2012 Recent studies have demonstrated that polarized vesicular trafficking involving the small GTPase Rab8 and its guanine nucleotide exchange factor Rabin8 is essential for primary ciliogenesis. Guanine Nucleotides 110-128 RAB3A interacting protein Homo sapiens 145-151 22433857-3 2012 In this study, we show that a highly conserved region of Rabin8 is pivotal for its activation as a guanine nucleotide exchange factor for Rab8. Guanine Nucleotides 99-117 RAB3A interacting protein Homo sapiens 57-63 22433857-3 2012 In this study, we show that a highly conserved region of Rabin8 is pivotal for its activation as a guanine nucleotide exchange factor for Rab8. Guanine Nucleotides 99-117 RAB8A, member RAS oncogene family Homo sapiens 138-142 22520755-3 2012 Although DOCK2 does not contain Dbl homology domain typically found in guanine nucleotide exchange factors, DOCK2 mediates the GTP-GDP exchange reaction for Rac through its DHR-2 domain. Guanine Nucleotides 71-89 dedicator of cytokinesis 2 Homo sapiens 9-14 22520755-3 2012 Although DOCK2 does not contain Dbl homology domain typically found in guanine nucleotide exchange factors, DOCK2 mediates the GTP-GDP exchange reaction for Rac through its DHR-2 domain. Guanine Nucleotides 71-89 AKT serine/threonine kinase 1 Homo sapiens 157-160 22448927-3 2012 Previously, we reported that the substitution of a glycine for a proline at position 56 within the linker region connecting the helical and GTP-binding domains of a Galpha chimera, designated alphaT*, yields a more readily exchangeable state for guanine nucleotides. Guanine Nucleotides 246-265 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 165-171 22385209-4 2012 We mutated this glutamine to every amino acid except cysteine and proline and then incubated these mutants with a Ral guanine nucleotide dissociation stimulator (Ral) containing the I18C mutation that was chemically labeled with a thiocyanate vibrational spectroscopic probe. Guanine Nucleotides 118-136 RAS like proto-oncogene A Homo sapiens 162-165 22328776-3 2012 Here we attempted to clarify the expression, subcellular localization, downstream effectors, and proangiogenic role of FGD5, a member of the FGD family of guanine nucleotide exchange factors. Guanine Nucleotides 155-173 FYVE, RhoGEF and PH domain containing 5 Homo sapiens 119-123 22421037-3 2012 (2012) trace the basis of endomitosis to sequential downregulation of guanine nucleotide exchange factors GEF-H1 and ECT2. Guanine Nucleotides 70-88 Rho/Rac guanine nucleotide exchange factor 2 Homo sapiens 106-112 22426478-6 2012 Consistently, activation of Cdc42 by overexpression of Tuba, a Golgi-associated guanine nucleotide exchange factor for Cdc42 increased the number of intracellular dense-core vesicles, whereas inhibition of Cdc42 by overexpression of the Cdc42/Rac interactive binding domain of neuronal Wiskott-Aldrich syndrome protein decreased the number of them. Guanine Nucleotides 80-98 cell division cycle 42 Rattus norvegicus 28-33 22426478-6 2012 Consistently, activation of Cdc42 by overexpression of Tuba, a Golgi-associated guanine nucleotide exchange factor for Cdc42 increased the number of intracellular dense-core vesicles, whereas inhibition of Cdc42 by overexpression of the Cdc42/Rac interactive binding domain of neuronal Wiskott-Aldrich syndrome protein decreased the number of them. Guanine Nucleotides 80-98 cell division cycle 42 Rattus norvegicus 119-124 22426478-6 2012 Consistently, activation of Cdc42 by overexpression of Tuba, a Golgi-associated guanine nucleotide exchange factor for Cdc42 increased the number of intracellular dense-core vesicles, whereas inhibition of Cdc42 by overexpression of the Cdc42/Rac interactive binding domain of neuronal Wiskott-Aldrich syndrome protein decreased the number of them. Guanine Nucleotides 80-98 cell division cycle 42 Rattus norvegicus 119-124 22426478-6 2012 Consistently, activation of Cdc42 by overexpression of Tuba, a Golgi-associated guanine nucleotide exchange factor for Cdc42 increased the number of intracellular dense-core vesicles, whereas inhibition of Cdc42 by overexpression of the Cdc42/Rac interactive binding domain of neuronal Wiskott-Aldrich syndrome protein decreased the number of them. Guanine Nucleotides 80-98 cell division cycle 42 Rattus norvegicus 119-124 22360309-2 2012 Herein, using an array of biophysical methods, we provide evidence that although the Grb2 adaptor can potentially bind to all four PXpsiPXR motifs (designated herein S1-S4) located within the Sos1 guanine nucleotide exchange factor, the formation of the Grb2-Sos1 signaling complex occurs with a 2:1 stoichiometry. Guanine Nucleotides 197-215 growth factor receptor bound protein 2 Homo sapiens 85-89 22360309-2 2012 Herein, using an array of biophysical methods, we provide evidence that although the Grb2 adaptor can potentially bind to all four PXpsiPXR motifs (designated herein S1-S4) located within the Sos1 guanine nucleotide exchange factor, the formation of the Grb2-Sos1 signaling complex occurs with a 2:1 stoichiometry. Guanine Nucleotides 197-215 SOS Ras/Rac guanine nucleotide exchange factor 1 Homo sapiens 192-196 21968647-9 2012 Intriguingly, PAQR10 and PAQR11 are able to interact with RasGRP1, a guanine nucleotide exchange protein of Ras, and increase Golgi localization of RasGRP1. Guanine Nucleotides 69-87 RAS guanyl releasing protein 1 Rattus norvegicus 58-65 21968647-9 2012 Intriguingly, PAQR10 and PAQR11 are able to interact with RasGRP1, a guanine nucleotide exchange protein of Ras, and increase Golgi localization of RasGRP1. Guanine Nucleotides 69-87 RAS guanyl releasing protein 1 Rattus norvegicus 148-155 22523731-1 2012 BACKGROUND/AIMS: Guanine nucleotide binding protein (G-protein) beta polypeptide 3 (GNB3) C825T polymorphism alters intracellular signal transduction, which may lead to motor or sensory abnormalities of the gastrointestinal tract. Guanine Nucleotides 17-35 G protein subunit beta 3 Homo sapiens 84-88 22262848-1 2012 The RasGRP (Ras guanine nucleotide-releasing protein) family proteins are guanine nucleotide exchange factors that activate Ras GTPases, ultimately leading to MAPK activation and many cellular processes. Guanine Nucleotides 16-34 RAS guanyl releasing protein 1 Mus musculus 4-10 22421037-3 2012 (2012) trace the basis of endomitosis to sequential downregulation of guanine nucleotide exchange factors GEF-H1 and ECT2. Guanine Nucleotides 70-88 epithelial cell transforming 2 Homo sapiens 117-121 22035369-6 2012 db-cAMP induces phosphorylation of RhoA and augments the binding of RhoA with Rho guanine nucleotide dissociation inhibitor (GDI). Guanine Nucleotides 82-100 ras homolog family member A Rattus norvegicus 68-72 22344035-3 2012 By using quantitative microscopy methods, we show that the flippase complex is required for fast dissociation of Cdc42 from the polar cortex by the guanine nucleotide dissociation inhibitor. Guanine Nucleotides 148-166 Rho family GTPase CDC42 Saccharomyces cerevisiae S288C 113-118 22344035-4 2012 A loss of flippase activity, or pharmacological blockage of the inward flipping of phosphatidylethanolamine, a phospholipid with a neutral head group, disrupts Cdc42 polarity maintained by guanine nucleotide dissociation inhibitor-mediated recycling. Guanine Nucleotides 189-207 Rho family GTPase CDC42 Saccharomyces cerevisiae S288C 160-165 22344035-6 2012 Using a reconstituted system with supported lipid bilayers, we show that the relative composition of phosphatidylethanolamine versus phosphatidylserine directly modulates Cdc42 extraction from the membrane by guanine nucleotide dissociation inhibitor. Guanine Nucleotides 209-227 Rho family GTPase CDC42 Saccharomyces cerevisiae S288C 171-176 21984612-5 2012 Whereas activation of Rho signals via TGF-beta-induced non-Smad signals has been implicated in epithelial-mesenchymal transition (EMT), we found that Arhgef5, a guanine nucleotide exchange factor, is induced by Smad signals and contributes to the TGF-beta2-induced alpha-SMA expression in MS-1 cells. Guanine Nucleotides 161-179 Rho guanine nucleotide exchange factor (GEF) 5 Mus musculus 150-157 22004728-1 2012 ADP-ribosylation factor 4 (ARF4) is a member of the Ras superfamily of small guanine nucleotide-binding proteins. Guanine Nucleotides 77-95 ADP ribosylation factor 4 Homo sapiens 0-25 22383878-2 2012 Using a proteomic approach we show that a strong interacting partner of hDlg is the RhoG-specific guanine nucleotide exchange factor SGEF. Guanine Nucleotides 98-116 discs large MAGUK scaffold protein 1 Homo sapiens 72-76 22383878-2 2012 Using a proteomic approach we show that a strong interacting partner of hDlg is the RhoG-specific guanine nucleotide exchange factor SGEF. Guanine Nucleotides 98-116 ras homolog family member G Homo sapiens 84-88 22383878-2 2012 Using a proteomic approach we show that a strong interacting partner of hDlg is the RhoG-specific guanine nucleotide exchange factor SGEF. Guanine Nucleotides 98-116 Rho guanine nucleotide exchange factor 26 Homo sapiens 133-137 22004728-1 2012 ADP-ribosylation factor 4 (ARF4) is a member of the Ras superfamily of small guanine nucleotide-binding proteins. Guanine Nucleotides 77-95 ADP ribosylation factor 4 Homo sapiens 27-31 22203994-5 2012 Computational modeling suggests that the NCF2 H389Q mutation reduces the binding efficiency of NCF2 with the guanine nucleotide exchange factor Vav1. Guanine Nucleotides 109-127 neutrophil cytosolic factor 2 Homo sapiens 41-45 21685944-1 2012 beta-Arrestins 1 and 2 are multifunctional adaptor proteins originally discovered for their role in desensitizing seven-transmembrane receptor signaling via the heterotrimeric guanine nucleotide-binding proteins. Guanine Nucleotides 176-194 arrestin beta 1 Homo sapiens 0-22 22219288-1 2012 Dock3, a new member of the guanine nucleotide exchange factors, causes cellular morphological changes by activating the small GTPase Rac1. Guanine Nucleotides 27-45 dedicator of cyto-kinesis 3 Mus musculus 0-5 22219288-1 2012 Dock3, a new member of the guanine nucleotide exchange factors, causes cellular morphological changes by activating the small GTPase Rac1. Guanine Nucleotides 27-45 Rac family small GTPase 1 Mus musculus 133-137 22203994-5 2012 Computational modeling suggests that the NCF2 H389Q mutation reduces the binding efficiency of NCF2 with the guanine nucleotide exchange factor Vav1. Guanine Nucleotides 109-127 neutrophil cytosolic factor 2 Homo sapiens 95-99 22203994-5 2012 Computational modeling suggests that the NCF2 H389Q mutation reduces the binding efficiency of NCF2 with the guanine nucleotide exchange factor Vav1. Guanine Nucleotides 109-127 vav guanine nucleotide exchange factor 1 Homo sapiens 144-148 22432082-1 2012 The Vav family of proteins are guanine nucleotide exchange factors which have been shown to be deregulated in several types of human cancer. Guanine Nucleotides 31-49 vav guanine nucleotide exchange factor 1 Homo sapiens 4-7 23226417-9 2012 These findings suggest that ERp57 regulates RalA signalling by acting as a redox-sensitive guanine-nucleotide dissociation inhibitor (RalGDI). Guanine Nucleotides 91-109 protein disulfide isomerase family A member 3 Homo sapiens 28-33 21851854-1 2012 The multi-domain protein hSos1 plays a major role in cell growth and differentiation through its Ras-specific guanine nucleotide exchange domain whose complex regulation involves intra-molecular, inter-domain rearrangements. Guanine Nucleotides 110-128 SOS Ras/Rac guanine nucleotide exchange factor 1 Homo sapiens 25-30 21851854-8 2012 The activation state of Ras-specific guanine nucleotide exchange domain of hSos1 arises as an "emergent property" of its multi-domain structure that allows multi-level integration of a complex network of intra- and inter-molecular signals. Guanine Nucleotides 37-55 SOS Ras/Rac guanine nucleotide exchange factor 1 Homo sapiens 75-80 23095975-2 2012 Using immunological, pharmacological and molecular biological approaches, we have also identified guanine nucleotide exchange factors (GEFs) for Rac1 (e.g., Tiam1) and Arf6 (e.g., ARNO) in clonal INS-1 832/13 cells, normal rat islets and human islets. Guanine Nucleotides 98-116 Rac family small GTPase 1 Rattus norvegicus 145-149 23095975-2 2012 Using immunological, pharmacological and molecular biological approaches, we have also identified guanine nucleotide exchange factors (GEFs) for Rac1 (e.g., Tiam1) and Arf6 (e.g., ARNO) in clonal INS-1 832/13 cells, normal rat islets and human islets. Guanine Nucleotides 98-116 TIAM Rac1 associated GEF 1 Rattus norvegicus 157-162 22815639-1 2012 PURPOSE: SWAP 70-like adaptor of T cells (SLAT; aka Def6) is a recently discovered guanine nucleotide exchange factor for Rho guanosine triphosphate (GTP)ases that has been previously shown to play a role in cluster of differentiation(CD)4+ T cell activation, T-helper (Th)1/Th2/Th17 differentiation and development of experimental autoimmune encephalomyelitis. Guanine Nucleotides 83-101 SWA-70 protein Mus musculus 9-16 22815639-1 2012 PURPOSE: SWAP 70-like adaptor of T cells (SLAT; aka Def6) is a recently discovered guanine nucleotide exchange factor for Rho guanosine triphosphate (GTP)ases that has been previously shown to play a role in cluster of differentiation(CD)4+ T cell activation, T-helper (Th)1/Th2/Th17 differentiation and development of experimental autoimmune encephalomyelitis. Guanine Nucleotides 83-101 differentially expressed in FDCP 6 Mus musculus 42-46 22815639-1 2012 PURPOSE: SWAP 70-like adaptor of T cells (SLAT; aka Def6) is a recently discovered guanine nucleotide exchange factor for Rho guanosine triphosphate (GTP)ases that has been previously shown to play a role in cluster of differentiation(CD)4+ T cell activation, T-helper (Th)1/Th2/Th17 differentiation and development of experimental autoimmune encephalomyelitis. Guanine Nucleotides 83-101 differentially expressed in FDCP 6 Mus musculus 52-56 22815639-1 2012 PURPOSE: SWAP 70-like adaptor of T cells (SLAT; aka Def6) is a recently discovered guanine nucleotide exchange factor for Rho guanosine triphosphate (GTP)ases that has been previously shown to play a role in cluster of differentiation(CD)4+ T cell activation, T-helper (Th)1/Th2/Th17 differentiation and development of experimental autoimmune encephalomyelitis. Guanine Nucleotides 83-101 heart and neural crest derivatives expressed 2 Mus musculus 275-278 23095975-2 2012 Using immunological, pharmacological and molecular biological approaches, we have also identified guanine nucleotide exchange factors (GEFs) for Rac1 (e.g., Tiam1) and Arf6 (e.g., ARNO) in clonal INS-1 832/13 cells, normal rat islets and human islets. Guanine Nucleotides 98-116 ADP-ribosylation factor 6 Rattus norvegicus 168-172 23095975-2 2012 Using immunological, pharmacological and molecular biological approaches, we have also identified guanine nucleotide exchange factors (GEFs) for Rac1 (e.g., Tiam1) and Arf6 (e.g., ARNO) in clonal INS-1 832/13 cells, normal rat islets and human islets. Guanine Nucleotides 98-116 cytohesin 2 Rattus norvegicus 180-184 23095975-2 2012 Using immunological, pharmacological and molecular biological approaches, we have also identified guanine nucleotide exchange factors (GEFs) for Rac1 (e.g., Tiam1) and Arf6 (e.g., ARNO) in clonal INS-1 832/13 cells, normal rat islets and human islets. Guanine Nucleotides 98-116 insulin 1 Rattus norvegicus 196-201 23233801-1 2012 PURPOSE: Studies to explore angiotensin II (Ang II) and its downstream signaling pathways via Rho guanine nucleotide exchange factors (RhoGEFs) and RhoA signaling are crucial to understanding the mechanisms of smooth muscle contraction leading to hypertension. Guanine Nucleotides 98-116 angiotensinogen Rattus norvegicus 28-42 23233801-1 2012 PURPOSE: Studies to explore angiotensin II (Ang II) and its downstream signaling pathways via Rho guanine nucleotide exchange factors (RhoGEFs) and RhoA signaling are crucial to understanding the mechanisms of smooth muscle contraction leading to hypertension. Guanine Nucleotides 98-116 angiotensinogen Rattus norvegicus 44-50 23226417-9 2012 These findings suggest that ERp57 regulates RalA signalling by acting as a redox-sensitive guanine-nucleotide dissociation inhibitor (RalGDI). Guanine Nucleotides 91-109 RAS like proto-oncogene A Homo sapiens 44-48 22900022-3 2012 METHODOLOGY/PRINCIPAL FINDINGS: TC10 requires high concentrations of magnesium in order to stabilize guanine nucleotide binding. Guanine Nucleotides 101-119 ras homolog family member Q Homo sapiens 32-36 23050005-2 2012 Although DOCK2 does not contain the Dbl homology domain typically found in guanine nucleotide exchange factors (GEFs), DOCK2 mediates the GTP-GDP exchange reaction for Rac via its DOCK homology region (DHR)-2 (also known as CZH2 or Docker) domain. Guanine Nucleotides 75-93 dedicator of cytokinesis 2 Homo sapiens 9-14 23236438-1 2012 We recently reported that Inosine Monophosphate Dehydrogenase (IMPDH), a rate-limiting enzyme in de novo guanine nucleotide biosynthesis, clustered into macrostructures in response to decreased nucleotide levels and that there were differences between the IMPDH isoforms, IMPDH1 and IMPDH2. Guanine Nucleotides 105-123 inosine monophosphate dehydrogenase 1 Homo sapiens 272-278 23236438-1 2012 We recently reported that Inosine Monophosphate Dehydrogenase (IMPDH), a rate-limiting enzyme in de novo guanine nucleotide biosynthesis, clustered into macrostructures in response to decreased nucleotide levels and that there were differences between the IMPDH isoforms, IMPDH1 and IMPDH2. Guanine Nucleotides 105-123 inosine monophosphate dehydrogenase 2 Homo sapiens 283-289 23050005-2 2012 Although DOCK2 does not contain the Dbl homology domain typically found in guanine nucleotide exchange factors (GEFs), DOCK2 mediates the GTP-GDP exchange reaction for Rac via its DOCK homology region (DHR)-2 (also known as CZH2 or Docker) domain. Guanine Nucleotides 75-93 AKT serine/threonine kinase 1 Homo sapiens 168-171 22479462-2 2012 Similar domains are found in a range of different proteins including neurofibromatosis type-1, a Ras GTPase-activating Protein (RasGAP) and Rho guanine nucleotide exchange factors (RhoGEFs). Guanine Nucleotides 144-162 neurofibromin 1 Homo sapiens 69-93 22911862-3 2012 First, we determined that TEM4 can stimulate guanine nucleotide exchange on RhoA and the related RhoB and RhoC isoforms. Guanine Nucleotides 45-63 Rho guanine nucleotide exchange factor 17 Homo sapiens 26-30 22911862-3 2012 First, we determined that TEM4 can stimulate guanine nucleotide exchange on RhoA and the related RhoB and RhoC isoforms. Guanine Nucleotides 45-63 ras homolog family member A Homo sapiens 76-80 22911862-3 2012 First, we determined that TEM4 can stimulate guanine nucleotide exchange on RhoA and the related RhoB and RhoC isoforms. Guanine Nucleotides 45-63 ras homolog family member B Homo sapiens 97-101 22911862-3 2012 First, we determined that TEM4 can stimulate guanine nucleotide exchange on RhoA and the related RhoB and RhoC isoforms. Guanine Nucleotides 45-63 ras homolog family member C Homo sapiens 106-110 22479462-2 2012 Similar domains are found in a range of different proteins including neurofibromatosis type-1, a Ras GTPase-activating Protein (RasGAP) and Rho guanine nucleotide exchange factors (RhoGEFs). Guanine Nucleotides 144-162 RAS p21 protein activator 1 Homo sapiens 97-126 22479462-2 2012 Similar domains are found in a range of different proteins including neurofibromatosis type-1, a Ras GTPase-activating Protein (RasGAP) and Rho guanine nucleotide exchange factors (RhoGEFs). Guanine Nucleotides 144-162 RAS p21 protein activator 1 Homo sapiens 128-134 22272350-1 2012 The eukaryotic translation elongation factor eEF-1Bbeta1 (EF1Bbeta) is a guanine nucleotide exchange factor that plays an important role in translation elongation. Guanine Nucleotides 73-91 translation elongation factor EF1B/ribosomal protein S6 family protein Arabidopsis thaliana 58-66 22036786-2 2011 Ras proteins are regulated by Ira1/2 GTPase activating proteins (GAPs) and Cdc25/Sdc25 guanine nucleotide exchange factors (GEFs). Guanine Nucleotides 87-105 Ras family guanine nucleotide exchange factor CDC25 Saccharomyces cerevisiae S288C 75-80 22238672-1 2012 The guanine-nucleotide exchange factor Trio encodes two DH-PH domains that catalyze nucleotide exchange on Rac1, RhoG and RhoA. Guanine Nucleotides 4-22 trio Rho guanine nucleotide exchange factor Homo sapiens 39-43 22238672-1 2012 The guanine-nucleotide exchange factor Trio encodes two DH-PH domains that catalyze nucleotide exchange on Rac1, RhoG and RhoA. Guanine Nucleotides 4-22 Rac family small GTPase 1 Homo sapiens 107-111 22238672-1 2012 The guanine-nucleotide exchange factor Trio encodes two DH-PH domains that catalyze nucleotide exchange on Rac1, RhoG and RhoA. Guanine Nucleotides 4-22 ras homolog family member G Homo sapiens 113-117 22238672-1 2012 The guanine-nucleotide exchange factor Trio encodes two DH-PH domains that catalyze nucleotide exchange on Rac1, RhoG and RhoA. Guanine Nucleotides 4-22 ras homolog family member A Homo sapiens 122-126 22172673-5 2011 Both guanine nucleotide exchange function and membrane targeting of Ect2 are essential for RhoA activation and cleavage furrow formation in human cells. Guanine Nucleotides 5-23 ras homolog family member A Homo sapiens 91-95 21943825-6 2011 Inactivation of Rac1 by using a Rac1 inhibitor NSC23766 or siRNA knocking down the expression of Tiam1, a guanine nucleotide exchange factor for Rac, significantly reduced Trastuzumab resistance in SKBR3 cells. Guanine Nucleotides 106-124 Rac family small GTPase 1 Homo sapiens 16-20 21943825-6 2011 Inactivation of Rac1 by using a Rac1 inhibitor NSC23766 or siRNA knocking down the expression of Tiam1, a guanine nucleotide exchange factor for Rac, significantly reduced Trastuzumab resistance in SKBR3 cells. Guanine Nucleotides 106-124 TIAM Rac1 associated GEF 1 Homo sapiens 97-102 21943825-6 2011 Inactivation of Rac1 by using a Rac1 inhibitor NSC23766 or siRNA knocking down the expression of Tiam1, a guanine nucleotide exchange factor for Rac, significantly reduced Trastuzumab resistance in SKBR3 cells. Guanine Nucleotides 106-124 AKT serine/threonine kinase 1 Homo sapiens 16-19 22155786-4 2011 Binding of proNGF to the p75NTR-SorCS2 complex induced growth cone retraction by initiating the dissociation of the guanine nucleotide exchange factor Trio from the p75NTR-SorCS2 complex, resulting in decreased Rac activity and, consequently, growth cone collapse. Guanine Nucleotides 116-134 nerve growth factor receptor Homo sapiens 25-31 22155786-4 2011 Binding of proNGF to the p75NTR-SorCS2 complex induced growth cone retraction by initiating the dissociation of the guanine nucleotide exchange factor Trio from the p75NTR-SorCS2 complex, resulting in decreased Rac activity and, consequently, growth cone collapse. Guanine Nucleotides 116-134 sortilin related VPS10 domain containing receptor 2 Homo sapiens 32-38 22155786-4 2011 Binding of proNGF to the p75NTR-SorCS2 complex induced growth cone retraction by initiating the dissociation of the guanine nucleotide exchange factor Trio from the p75NTR-SorCS2 complex, resulting in decreased Rac activity and, consequently, growth cone collapse. Guanine Nucleotides 116-134 trio Rho guanine nucleotide exchange factor Homo sapiens 151-155 22036786-2 2011 Ras proteins are regulated by Ira1/2 GTPase activating proteins (GAPs) and Cdc25/Sdc25 guanine nucleotide exchange factors (GEFs). Guanine Nucleotides 87-105 SDC25 Saccharomyces cerevisiae S288C 81-86 22155786-4 2011 Binding of proNGF to the p75NTR-SorCS2 complex induced growth cone retraction by initiating the dissociation of the guanine nucleotide exchange factor Trio from the p75NTR-SorCS2 complex, resulting in decreased Rac activity and, consequently, growth cone collapse. Guanine Nucleotides 116-134 nerve growth factor receptor Homo sapiens 165-171 22126964-7 2011 The guanine nucleotide exchange factors RhoGEF6 and RhoGEF7 were necessary for Cdc42 activation within the NK cell immunological synapse. Guanine Nucleotides 4-22 cell division cycle 42 Homo sapiens 79-84 22155786-4 2011 Binding of proNGF to the p75NTR-SorCS2 complex induced growth cone retraction by initiating the dissociation of the guanine nucleotide exchange factor Trio from the p75NTR-SorCS2 complex, resulting in decreased Rac activity and, consequently, growth cone collapse. Guanine Nucleotides 116-134 sortilin related VPS10 domain containing receptor 2 Homo sapiens 172-178 21828338-7 2011 Of the two Cdc42 guanine nucleotide dissociation inhibitor (GDI) proteins identified in beta cells, betaPix competed selectively with caveolin-1 (Cav-1) but not RhoGDI in coimmunoprecipitation and GST-Cdc42-GDP interaction assays. Guanine Nucleotides 17-35 Rho guanine nucleotide exchange factor 7 Homo sapiens 100-107 22043008-6 2011 Loss of PTEN in macrophage leads to activation of the pleckstrin homology domain-containing guanine-nucleotide exchange factor Vav1 and subsequent activation of Rac1 GTPase, resulting in increased amounts of F-actin upon engulfment of apoptotic cells. Guanine Nucleotides 92-110 phosphatase and tensin homolog Homo sapiens 8-12 22043008-6 2011 Loss of PTEN in macrophage leads to activation of the pleckstrin homology domain-containing guanine-nucleotide exchange factor Vav1 and subsequent activation of Rac1 GTPase, resulting in increased amounts of F-actin upon engulfment of apoptotic cells. Guanine Nucleotides 92-110 vav guanine nucleotide exchange factor 1 Homo sapiens 127-131 21748802-1 2011 Using molecular dynamics simulations, we explore geometric and physical factors contributing to calculated electrostatic fields at the binding surface of the GTPase Ras with a spectroscopically labeled variant of a downstream effector, the Ras-binding domain of Ral guanine nucleotide dissociation stimulator (RalGDS). Guanine Nucleotides 266-284 RAS like proto-oncogene A Homo sapiens 262-265 21748802-1 2011 Using molecular dynamics simulations, we explore geometric and physical factors contributing to calculated electrostatic fields at the binding surface of the GTPase Ras with a spectroscopically labeled variant of a downstream effector, the Ras-binding domain of Ral guanine nucleotide dissociation stimulator (RalGDS). Guanine Nucleotides 266-284 ral guanine nucleotide dissociation stimulator Homo sapiens 310-316 22109529-3 2011 Here we show that mice lacking P-Rex1, a Rac-specific Rho GTPase guanine nucleotide exchange factor, have a melanoblast migration defect during development evidenced by a white belly. Guanine Nucleotides 81-99 phosphatidylinositol-3,4,5-trisphosphate-dependent Rac exchange factor 1 Mus musculus 47-53 22114146-1 2011 Ric-8A (resistance to inhibitors of cholinesterase 8A) and Ric-8B are guanine nucleotide exchange factors that enhance different heterotrimeric guanine nucleotide-binding protein (G protein) signaling pathways by unknown mechanisms. Guanine Nucleotides 70-88 RIC8 guanine nucleotide exchange factor A Mus musculus 0-6 22114146-1 2011 Ric-8A (resistance to inhibitors of cholinesterase 8A) and Ric-8B are guanine nucleotide exchange factors that enhance different heterotrimeric guanine nucleotide-binding protein (G protein) signaling pathways by unknown mechanisms. Guanine Nucleotides 70-88 RIC8 guanine nucleotide exchange factor A Mus musculus 8-53 22114146-1 2011 Ric-8A (resistance to inhibitors of cholinesterase 8A) and Ric-8B are guanine nucleotide exchange factors that enhance different heterotrimeric guanine nucleotide-binding protein (G protein) signaling pathways by unknown mechanisms. Guanine Nucleotides 70-88 RIC8 guanine nucleotide exchange factor B Mus musculus 59-65 22175896-1 2011 AIMS: Dedicator of cytokinesis I (Dock180) is a novel guanine nucleotide exchange factor for Rho guanosine triphosphates (GTPases) important for cell migration. Guanine Nucleotides 54-72 dedicator of cytokinesis 1 Homo sapiens 34-41 21995315-6 2011 We demonstrate the following: that rhodopsin has a covalently bound all-trans-retinal chromophore and therefore corresponds to the active metarhodopin II state; that transducin has an empty nucleotide-binding pocket; that the isolated complex is active and dissociates upon addition of guanine nucleotide; and finally that the stoichiometry corresponds reproducibly to a 1/1 molar ratio of rhodopsin to transducin. Guanine Nucleotides 286-304 rhodopsin Bos taurus 35-44 21926430-4 2011 We found that beta-Pix (p21-activated kinase-interactive exchange factor), a guanine nucleotide exchange factor for the Rho family of small GTPases known to regulate cell motility directly interacted with SNX27. Guanine Nucleotides 77-95 Rho guanine nucleotide exchange factor (GEF7) Mus musculus 14-22 21926430-4 2011 We found that beta-Pix (p21-activated kinase-interactive exchange factor), a guanine nucleotide exchange factor for the Rho family of small GTPases known to regulate cell motility directly interacted with SNX27. Guanine Nucleotides 77-95 sorting nexin family member 27 Mus musculus 205-210 21885830-3 2011 Although it is thought that specific agonists and GPCRs may couple to distinct RhoA guanine nucleotide exchange factors (GEFs), thus raising the possibility of selective targeting of specific GEFs for therapeutic use, this notion is largely unexplored for SM contraction. Guanine Nucleotides 84-102 ras homolog family member A Mus musculus 79-83 22033413-1 2011 Rho family GTPase-specific guanine nucleotide exchange factors of the Dbl family regulate a variety of cellular events including cytoskeletal arrangement, signal transduction, and gene expression through activation of Rho family GTPases. Guanine Nucleotides 27-45 mcf.2 transforming sequence Mus musculus 70-73 21878522-5 2011 Hearts lacking both M-CK and sarcomeric mitochondrial CK have diminished PCr turnover, total phosphotransfer capacity and intracellular energetic communication but increased dynamics of beta-phosphoryls of ADP/ATP, G-6-P and gamma-/beta-phosphoryls of GTP, indicating redistribution of flux through adenylate kinase (AK), glycolytic and guanine nucleotide phosphotransfer circuits. Guanine Nucleotides 337-355 creatine kinase, muscle Mus musculus 20-24 22701760-1 2011 Ect2 is a member of the human Dbl family of guanine nucleotide exchange factors (RhoGEFs) that serve as activators of Rho family small GTPases. Guanine Nucleotides 44-62 epithelial cell transforming 2 Homo sapiens 0-4 21726669-1 2011 RIC-8 is a highly conserved protein that promotes G protein signaling as it acts as a Guanine nucleotide Exchanging Factor (GEF) over a subset of Galpha subunits. Guanine Nucleotides 86-104 RIC8 guanine nucleotide exchange factor A Xenopus tropicalis 0-5 21880903-0 2011 Essential role for vav Guanine nucleotide exchange factors in brain-derived neurotrophic factor-induced dendritic spine growth and synapse plasticity. Guanine Nucleotides 23-41 vav 1 oncogene Mus musculus 19-22 21795707-6 2011 Galpha(i3)xFP proteins bound the cytosolic domain of GIRK1 and interacted with Gbetagamma in a guanine nucleotide-dependent manner. Guanine Nucleotides 95-113 brain protein I3 Homo sapiens 0-9 21771786-6 2011 Here, we show that cholinesterase-8A (Ric-8A), a nonreceptor guanine nucleotide exchange factor for some heterotrimeric G proteins, is critical for coupling RTKs to Galpha(13). Guanine Nucleotides 61-79 RIC8 guanine nucleotide exchange factor A Homo sapiens 38-44 21771786-6 2011 Here, we show that cholinesterase-8A (Ric-8A), a nonreceptor guanine nucleotide exchange factor for some heterotrimeric G proteins, is critical for coupling RTKs to Galpha(13). Guanine Nucleotides 61-79 G protein subunit alpha 13 Homo sapiens 165-175 21586585-6 2011 A lower affinity of Haa1 toward HRE motifs having mutations in the guanine nucleotides at position 7 and 9 (K(D) of 21 and 119 nM, respectively) was also observed. Guanine Nucleotides 67-86 Haa1p Saccharomyces cerevisiae S288C 20-24 21850707-3 2011 The activity of Rab8 is controlled by specific guanine nucleotide exchange factors and GTPase activating proteins. Guanine Nucleotides 47-65 RAB8A, member RAS oncogene family Homo sapiens 16-20 21873336-4 2011 The alpha subunits of G12 or G13 have been shown to interact with members of the RH domain containing guanine nucleotide exchange factors for Rho (RH-RhoGEF) family of proteins to directly connect G protein-mediated signalling and RhoGTPase signalling. Guanine Nucleotides 102-120 rhodopsin Homo sapiens 147-156 21867964-3 2011 We previously demonstrated that, on the one hand, human ferric Ngb binds to the alpha-subunit of heterotrimeric G proteins (Galpha(i)) and acts as a guanine nucleotide dissociation inhibitor (GDI) for Galpha(i). Guanine Nucleotides 149-167 neuroglobin Homo sapiens 63-66 21880903-0 2011 Essential role for vav Guanine nucleotide exchange factors in brain-derived neurotrophic factor-induced dendritic spine growth and synapse plasticity. Guanine Nucleotides 23-41 brain derived neurotrophic factor Mus musculus 62-95 21880903-3 2011 We report here that BDNF/TrkB signaling in neurons activates the Vav family of Rac/RhoA guanine nucleotide exchange factors through a novel TrkB-dependent mechanism. Guanine Nucleotides 88-106 brain derived neurotrophic factor Mus musculus 20-24 21880903-3 2011 We report here that BDNF/TrkB signaling in neurons activates the Vav family of Rac/RhoA guanine nucleotide exchange factors through a novel TrkB-dependent mechanism. Guanine Nucleotides 88-106 neurotrophic tyrosine kinase, receptor, type 2 Mus musculus 25-29 21880903-3 2011 We report here that BDNF/TrkB signaling in neurons activates the Vav family of Rac/RhoA guanine nucleotide exchange factors through a novel TrkB-dependent mechanism. Guanine Nucleotides 88-106 vav 1 oncogene Mus musculus 65-68 21880903-3 2011 We report here that BDNF/TrkB signaling in neurons activates the Vav family of Rac/RhoA guanine nucleotide exchange factors through a novel TrkB-dependent mechanism. Guanine Nucleotides 88-106 ras homolog family member A Mus musculus 83-87 21880903-3 2011 We report here that BDNF/TrkB signaling in neurons activates the Vav family of Rac/RhoA guanine nucleotide exchange factors through a novel TrkB-dependent mechanism. Guanine Nucleotides 88-106 neurotrophic tyrosine kinase, receptor, type 2 Mus musculus 140-144 21763641-7 2011 However, activation of exchange protein activated by cAMP (Epac), specific guanine nucleotide exchange factors for the Ras GTPase homologues, Rap1 and Rap2, with the Epac1-specific cAMP analog, 8-pCPT-2"-O-Me-cAMP, mimicked the suppressive effect of isoproterenol on particle uptake. Guanine Nucleotides 75-93 Rap guanine nucleotide exchange factor (GEF) 3 Mus musculus 23-57 21441953-4 2011 Although the Rgr proto-oncogene belongs to the RalGDS family of guanine nucleotide exchange factors (GEFs), we show that upon the introduction of hRgr into fibroblast cell lines, it is able to elicit the activation of both Ral and Ras GTPases. Guanine Nucleotides 64-82 retinal G protein coupled receptor Homo sapiens 13-16 21441953-4 2011 Although the Rgr proto-oncogene belongs to the RalGDS family of guanine nucleotide exchange factors (GEFs), we show that upon the introduction of hRgr into fibroblast cell lines, it is able to elicit the activation of both Ral and Ras GTPases. Guanine Nucleotides 64-82 ral guanine nucleotide dissociation stimulator Homo sapiens 47-53 21441953-4 2011 Although the Rgr proto-oncogene belongs to the RalGDS family of guanine nucleotide exchange factors (GEFs), we show that upon the introduction of hRgr into fibroblast cell lines, it is able to elicit the activation of both Ral and Ras GTPases. Guanine Nucleotides 64-82 retinal G protein coupled receptor Homo sapiens 146-150 21441953-5 2011 Moreover, in vitro guanine nucleotide exchange assays confirm that hRgr promotes Ral and Ras activation through GDP dissociation, which is a critical characteristic of GEF proteins. Guanine Nucleotides 19-37 retinal G protein coupled receptor Homo sapiens 67-71 21441953-5 2011 Moreover, in vitro guanine nucleotide exchange assays confirm that hRgr promotes Ral and Ras activation through GDP dissociation, which is a critical characteristic of GEF proteins. Guanine Nucleotides 19-37 RAS like proto-oncogene A Homo sapiens 81-84 21441953-6 2011 hRgr has guanine nucleotide exchange activity for both small GTPases and this activity was reduced when a point mutation within the catalytic domain (CDC25) of the protein, (cd) Dtr-hRgr, was utilized. Guanine Nucleotides 9-27 retinal G protein coupled receptor Homo sapiens 0-4 21441953-6 2011 hRgr has guanine nucleotide exchange activity for both small GTPases and this activity was reduced when a point mutation within the catalytic domain (CDC25) of the protein, (cd) Dtr-hRgr, was utilized. Guanine Nucleotides 9-27 cell division cycle 25C Homo sapiens 150-155 24353899-5 2011 n-alkanols (ethanol, butanol, pentanol, hexanol, heptanol, octanol and nonanol) showed differential effects on guanine nucleotide exchange by Galphai1, Galphai2 and Galphao. Guanine Nucleotides 111-129 G protein subunit alpha o1 Homo sapiens 165-172 21832186-6 2011 Genetic epistasis experiments show the following: (1) AGS-3 and the guanine nucleotide exchange factor RIC-8 act in ASH in a mutually dependent fashion to activate Galpha(o); (2) this activation requires interaction of the GPR domains of AGS-3 with Galpha(o); and (3) Galpha(o)-GTP is ultimately the signaling molecule that acts in ASH to delay octanol response. Guanine Nucleotides 68-86 Synembryn Caenorhabditis elegans 103-108 21832186-6 2011 Genetic epistasis experiments show the following: (1) AGS-3 and the guanine nucleotide exchange factor RIC-8 act in ASH in a mutually dependent fashion to activate Galpha(o); (2) this activation requires interaction of the GPR domains of AGS-3 with Galpha(o); and (3) Galpha(o)-GTP is ultimately the signaling molecule that acts in ASH to delay octanol response. Guanine Nucleotides 68-86 Activator of G protein signaling Caenorhabditis elegans 238-243 21763641-7 2011 However, activation of exchange protein activated by cAMP (Epac), specific guanine nucleotide exchange factors for the Ras GTPase homologues, Rap1 and Rap2, with the Epac1-specific cAMP analog, 8-pCPT-2"-O-Me-cAMP, mimicked the suppressive effect of isoproterenol on particle uptake. Guanine Nucleotides 75-93 Rap guanine nucleotide exchange factor (GEF) 3 Mus musculus 59-63 21763641-7 2011 However, activation of exchange protein activated by cAMP (Epac), specific guanine nucleotide exchange factors for the Ras GTPase homologues, Rap1 and Rap2, with the Epac1-specific cAMP analog, 8-pCPT-2"-O-Me-cAMP, mimicked the suppressive effect of isoproterenol on particle uptake. Guanine Nucleotides 75-93 RAS-related protein 1a Mus musculus 142-146 21763641-7 2011 However, activation of exchange protein activated by cAMP (Epac), specific guanine nucleotide exchange factors for the Ras GTPase homologues, Rap1 and Rap2, with the Epac1-specific cAMP analog, 8-pCPT-2"-O-Me-cAMP, mimicked the suppressive effect of isoproterenol on particle uptake. Guanine Nucleotides 75-93 Rap guanine nucleotide exchange factor (GEF) 3 Mus musculus 166-171 21554507-8 2011 Rab3GEP is the non-redundant guanine nucleotide exchange factor for Rab27a in melanocytes. Guanine Nucleotides 29-47 RAB27A, member RAS oncogene family Homo sapiens 68-74 21471298-2 2011 Due to the recent discovery of cAMP-activated guanine nucleotide exchange factors RAPGEF3 and RAPGEF4, we sought to investigate the separate roles of PRKACA and RAPGEF3/RAPGEF4 in modulating capacitation and acrosomal exocytosis. Guanine Nucleotides 46-64 Rap guanine nucleotide exchange factor 3 Equus caballus 82-89 21554507-8 2011 Rab3GEP is the non-redundant guanine nucleotide exchange factor for Rab27a in melanocytes. Guanine Nucleotides 29-47 MAP kinase activating death domain Homo sapiens 0-7 21586568-0 2011 Characterization of RIN3 as a guanine nucleotide exchange factor for the Rab5 subfamily GTPase Rab31. Guanine Nucleotides 30-48 Ras and Rab interactor 3 Homo sapiens 20-24 21586568-0 2011 Characterization of RIN3 as a guanine nucleotide exchange factor for the Rab5 subfamily GTPase Rab31. Guanine Nucleotides 30-48 RAB5A, member RAS oncogene family Homo sapiens 73-77 21586568-0 2011 Characterization of RIN3 as a guanine nucleotide exchange factor for the Rab5 subfamily GTPase Rab31. Guanine Nucleotides 30-48 RAB31, member RAS oncogene family Homo sapiens 95-100 21586568-2 2011 Rab5 is activated by various vacuolar protein sorting 9 (VPS9) domain-containing guanine nucleotide exchange factors. Guanine Nucleotides 81-99 RAB5A, member RAS oncogene family Homo sapiens 0-4 21606197-1 2011 Activated Syk, an essential tyrosine kinase in B cell signaling, interacts with Vav guanine nucleotide exchange factors and regulates Vav activity through tyrosine phosphorylation. Guanine Nucleotides 84-102 spleen associated tyrosine kinase Homo sapiens 10-13 21606197-1 2011 Activated Syk, an essential tyrosine kinase in B cell signaling, interacts with Vav guanine nucleotide exchange factors and regulates Vav activity through tyrosine phosphorylation. Guanine Nucleotides 84-102 vav guanine nucleotide exchange factor 1 Homo sapiens 80-83 21670213-2 2011 In this paper, we demonstrate that the nuclear pore component RanBP2 acts as a negative regulator of cAMP signaling through Epac1, a cAMP-regulated guanine nucleotide exchange factor for Rap. Guanine Nucleotides 148-166 RAN binding protein 2 Homo sapiens 62-68 21568348-6 2011 The adduct that is formed impedes RhoC guanine nucleotide exchange, which populates an inactive RhoC. Guanine Nucleotides 39-57 ras homolog family member C Homo sapiens 34-38 21568348-6 2011 The adduct that is formed impedes RhoC guanine nucleotide exchange, which populates an inactive RhoC. Guanine Nucleotides 39-57 ras homolog family member C Homo sapiens 96-100 21670213-2 2011 In this paper, we demonstrate that the nuclear pore component RanBP2 acts as a negative regulator of cAMP signaling through Epac1, a cAMP-regulated guanine nucleotide exchange factor for Rap. Guanine Nucleotides 148-166 Rap guanine nucleotide exchange factor 3 Homo sapiens 124-129 21670213-2 2011 In this paper, we demonstrate that the nuclear pore component RanBP2 acts as a negative regulator of cAMP signaling through Epac1, a cAMP-regulated guanine nucleotide exchange factor for Rap. Guanine Nucleotides 148-166 LDL receptor related protein associated protein 1 Homo sapiens 187-190 21372162-4 2011 In the present study, we examined the role of polyamines in the regulation of the guanine nucleotide exchange factor, diffuse B-cell lymphoma (Dbl), for Rho GTPases. Guanine Nucleotides 82-100 MCF.2 cell line derived transforming sequence Homo sapiens 143-146 21389046-0 2011 Cleavage of oxidized guanine nucleotide and ADP sugar by human NUDT5 protein. Guanine Nucleotides 21-39 nudix hydrolase 5 Homo sapiens 63-68 21517092-5 2011 GDP-to-GTP exchange, i.e., GTPase activation, is catalyzed by the guanine nucleotide exchange factor cytohesin-2. Guanine Nucleotides 66-84 cytohesin 2 Homo sapiens 101-112 21389046-5 2011 The kinetic parameters for the two types of reactions indicated that ADP ribose is a better substrate for NUDT5 compared with oxidized guanine nucleotides. Guanine Nucleotides 135-154 nudix hydrolase 5 Homo sapiens 106-111 21441934-3 2011 This pathway required protein kinase C-delta (PKC-delta) and the guanine nucleotide-exchange factor RasGRP and depended on the concentration of the Ca(2+) sensor STIM1, which controls the magnitude of Ca(2+) entry. Guanine Nucleotides 65-83 protein kinase C, delta Mus musculus 46-55 21460185-4 2011 PIKE-A GTPase binds active Akt and stimulates its kinase activity in a guanine-nucleotide-dependent way. Guanine Nucleotides 71-89 ArfGAP with GTPase domain, ankyrin repeat and PH domain 2 Mus musculus 0-4 21460185-4 2011 PIKE-A GTPase binds active Akt and stimulates its kinase activity in a guanine-nucleotide-dependent way. Guanine Nucleotides 71-89 thymoma viral proto-oncogene 1 Mus musculus 27-30 21444916-1 2011 The small guanine nucleotide binding proteins of the Ras family, including in mammals the highly homologous H-ras, N-ras, and K-ras isoforms, are rapidly activated on ligation of the T-cell antigen receptor (TCR), but whether each isoform plays specific roles in T cells is largely unknown. Guanine Nucleotides 10-28 Harvey rat sarcoma virus oncogene Mus musculus 108-113 21444916-1 2011 The small guanine nucleotide binding proteins of the Ras family, including in mammals the highly homologous H-ras, N-ras, and K-ras isoforms, are rapidly activated on ligation of the T-cell antigen receptor (TCR), but whether each isoform plays specific roles in T cells is largely unknown. Guanine Nucleotides 10-28 neuroblastoma ras oncogene Mus musculus 115-120 21444916-1 2011 The small guanine nucleotide binding proteins of the Ras family, including in mammals the highly homologous H-ras, N-ras, and K-ras isoforms, are rapidly activated on ligation of the T-cell antigen receptor (TCR), but whether each isoform plays specific roles in T cells is largely unknown. Guanine Nucleotides 10-28 Kirsten rat sarcoma viral oncogene homolog Mus musculus 126-131 21454477-1 2011 Paracingulin is a 160-kDa protein localized in the cytoplasmic region of epithelial tight and adherens junctions, where it regulates RhoA and Rac1 activities by interacting with guanine nucleotide exchange factors. Guanine Nucleotides 178-196 cingulin like 1 Canis lupus familiaris 0-12 21454477-1 2011 Paracingulin is a 160-kDa protein localized in the cytoplasmic region of epithelial tight and adherens junctions, where it regulates RhoA and Rac1 activities by interacting with guanine nucleotide exchange factors. Guanine Nucleotides 178-196 ras homolog family member A Canis lupus familiaris 133-137 21454477-1 2011 Paracingulin is a 160-kDa protein localized in the cytoplasmic region of epithelial tight and adherens junctions, where it regulates RhoA and Rac1 activities by interacting with guanine nucleotide exchange factors. Guanine Nucleotides 178-196 Rac family small GTPase 1 Canis lupus familiaris 142-146 21587297-1 2011 Members of the ADP-ribosylation factor (ARF) family of guanine-nucleotide-binding (G) proteins, including the ARF-like (ARL) proteins and SAR1, regulate membrane traffic and organelle structure by recruiting cargo-sorting coat proteins, modulating membrane lipid composition, and interacting with regulators of other G proteins. Guanine Nucleotides 55-73 secretion associated Ras related GTPase 1A Homo sapiens 138-142 21427288-3 2011 We now show that the guanine nucleotide exchange factors Vav1 and Vav3 were tyrosine phosphorylated in platelets exposed to oxLDL. Guanine Nucleotides 21-39 vav 1 oncogene Mus musculus 57-61 21427288-3 2011 We now show that the guanine nucleotide exchange factors Vav1 and Vav3 were tyrosine phosphorylated in platelets exposed to oxLDL. Guanine Nucleotides 21-39 vav 3 oncogene Mus musculus 66-70 21441934-3 2011 This pathway required protein kinase C-delta (PKC-delta) and the guanine nucleotide-exchange factor RasGRP and depended on the concentration of the Ca(2+) sensor STIM1, which controls the magnitude of Ca(2+) entry. Guanine Nucleotides 65-83 RAS guanyl releasing protein 1 Mus musculus 100-106 21441934-3 2011 This pathway required protein kinase C-delta (PKC-delta) and the guanine nucleotide-exchange factor RasGRP and depended on the concentration of the Ca(2+) sensor STIM1, which controls the magnitude of Ca(2+) entry. Guanine Nucleotides 65-83 stromal interaction molecule 1 Mus musculus 162-167 21330364-2 2011 New studies reveal that various DENN domains interact directly with members of the Rab family of small GTPases and that DENN domains function enzymatically as Rab-specific guanine nucleotide exchange factors. Guanine Nucleotides 172-190 MAP kinase activating death domain Homo sapiens 32-36 21776418-2 2011 Plk2 achieves a profound level of regulatory control by interacting with and phosphorylating at least four Ras and Rap guanine nucleotide exchange factors (GEFs) and GTPase activating proteins (GAPs). Guanine Nucleotides 119-137 polo like kinase 2 Homo sapiens 0-4 21776418-2 2011 Plk2 achieves a profound level of regulatory control by interacting with and phosphorylating at least four Ras and Rap guanine nucleotide exchange factors (GEFs) and GTPase activating proteins (GAPs). Guanine Nucleotides 119-137 LDL receptor related protein associated protein 1 Homo sapiens 115-118 21330364-2 2011 New studies reveal that various DENN domains interact directly with members of the Rab family of small GTPases and that DENN domains function enzymatically as Rab-specific guanine nucleotide exchange factors. Guanine Nucleotides 172-190 MAP kinase activating death domain Homo sapiens 120-124 21285355-1 2011 Residues comprising the guanine nucleotide-binding sites of the alpha subunits of heterotrimeric (large) G-proteins (Galpha subunits), as well as the Ras-related (small) G-proteins, are highly conserved. Guanine Nucleotides 24-42 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 117-123 21276423-2 2011 Herein, we tested the hypothesis that Arf nucleotide binding site opener [ARNO], a guanine nucleotide-exchange factor [GEF] for the small G-protein Arf6, mediates the functional activation of Arf6, and that ARNO/Arf6 signaling axis, in turn, controls the activation of Cdc42 and Rac1, which have been implicated in GSIS. Guanine Nucleotides 83-101 cytohesin 2 Rattus norvegicus 38-72 21276423-2 2011 Herein, we tested the hypothesis that Arf nucleotide binding site opener [ARNO], a guanine nucleotide-exchange factor [GEF] for the small G-protein Arf6, mediates the functional activation of Arf6, and that ARNO/Arf6 signaling axis, in turn, controls the activation of Cdc42 and Rac1, which have been implicated in GSIS. Guanine Nucleotides 83-101 cytohesin 2 Rattus norvegicus 74-78 21276423-2 2011 Herein, we tested the hypothesis that Arf nucleotide binding site opener [ARNO], a guanine nucleotide-exchange factor [GEF] for the small G-protein Arf6, mediates the functional activation of Arf6, and that ARNO/Arf6 signaling axis, in turn, controls the activation of Cdc42 and Rac1, which have been implicated in GSIS. Guanine Nucleotides 83-101 ADP-ribosylation factor 6 Rattus norvegicus 148-152 21276423-2 2011 Herein, we tested the hypothesis that Arf nucleotide binding site opener [ARNO], a guanine nucleotide-exchange factor [GEF] for the small G-protein Arf6, mediates the functional activation of Arf6, and that ARNO/Arf6 signaling axis, in turn, controls the activation of Cdc42 and Rac1, which have been implicated in GSIS. Guanine Nucleotides 83-101 ADP-ribosylation factor 6 Rattus norvegicus 192-196 21276423-2 2011 Herein, we tested the hypothesis that Arf nucleotide binding site opener [ARNO], a guanine nucleotide-exchange factor [GEF] for the small G-protein Arf6, mediates the functional activation of Arf6, and that ARNO/Arf6 signaling axis, in turn, controls the activation of Cdc42 and Rac1, which have been implicated in GSIS. Guanine Nucleotides 83-101 ADP-ribosylation factor 6 Rattus norvegicus 192-196 21276423-2 2011 Herein, we tested the hypothesis that Arf nucleotide binding site opener [ARNO], a guanine nucleotide-exchange factor [GEF] for the small G-protein Arf6, mediates the functional activation of Arf6, and that ARNO/Arf6 signaling axis, in turn, controls the activation of Cdc42 and Rac1, which have been implicated in GSIS. Guanine Nucleotides 83-101 cell division cycle 42 Rattus norvegicus 269-274 21276423-2 2011 Herein, we tested the hypothesis that Arf nucleotide binding site opener [ARNO], a guanine nucleotide-exchange factor [GEF] for the small G-protein Arf6, mediates the functional activation of Arf6, and that ARNO/Arf6 signaling axis, in turn, controls the activation of Cdc42 and Rac1, which have been implicated in GSIS. Guanine Nucleotides 83-101 Rac family small GTPase 1 Rattus norvegicus 279-283 21111731-5 2011 OxPAPC induced peripheral translocation of p190RhoGAP, which was abolished by knockdown of Rac-specific guanine nucleotide exchange factors Tiam1 and Vav2. Guanine Nucleotides 104-122 Rho GTPase activating protein 35 Homo sapiens 43-53 21492154-0 2011 Concordance and interaction of guanine nucleotide dissociation inhibitor (RhoGDI) with RhoA in oogenesis and early development of the sea urchin. Guanine Nucleotides 31-49 RhoA Strongylocentrotus purpuratus 87-91 21111786-0 2011 The RasGrf family of mammalian guanine nucleotide exchange factors. Guanine Nucleotides 31-49 Ras protein specific guanine nucleotide releasing factor 1 Homo sapiens 4-10 21111786-1 2011 RasGrf1 and RasGrf2 are highly homologous mammalian guanine nucleotide exchange factors which are able to activate specific Ras or Rho GTPases. Guanine Nucleotides 52-70 Ras protein specific guanine nucleotide releasing factor 1 Homo sapiens 0-7 21111786-1 2011 RasGrf1 and RasGrf2 are highly homologous mammalian guanine nucleotide exchange factors which are able to activate specific Ras or Rho GTPases. Guanine Nucleotides 52-70 Ras protein specific guanine nucleotide releasing factor 2 Homo sapiens 12-19 21111731-5 2011 OxPAPC induced peripheral translocation of p190RhoGAP, which was abolished by knockdown of Rac-specific guanine nucleotide exchange factors Tiam1 and Vav2. Guanine Nucleotides 104-122 AKT serine/threonine kinase 1 Homo sapiens 91-94 21111731-5 2011 OxPAPC induced peripheral translocation of p190RhoGAP, which was abolished by knockdown of Rac-specific guanine nucleotide exchange factors Tiam1 and Vav2. Guanine Nucleotides 104-122 TIAM Rac1 associated GEF 1 Homo sapiens 140-145 21111731-5 2011 OxPAPC induced peripheral translocation of p190RhoGAP, which was abolished by knockdown of Rac-specific guanine nucleotide exchange factors Tiam1 and Vav2. Guanine Nucleotides 104-122 vav guanine nucleotide exchange factor 2 Homo sapiens 150-154 21307862-5 2011 Our data showed that all resulted in a decrease in the guanine nucleotide exchange (GEF) activity of the eIF2B complex. Guanine Nucleotides 55-73 Rho/Rac guanine nucleotide exchange factor 2 Homo sapiens 84-87 21224482-6 2011 The reduction in protein synthesis occurred with a concomitant decrease in expression and activity of eukaryotic initiation factor 2B (eIF2B), a regulated and rate-controlling guanine nucleotide exchange factor known to affect global rates of protein synthesis. Guanine Nucleotides 176-194 eukaryotic translation initiation factor 2B, subunit 4 delta Mus musculus 102-133 21209086-0 2011 Vav family Rho guanine nucleotide exchange factors regulate CD36-mediated macrophage foam cell formation. Guanine Nucleotides 15-33 vav 1 oncogene Mus musculus 0-3 21209086-2 2011 Although Vav family guanine nucleotide exchange factors impact processes highly relevant to atherogenesis and are involved in pathways common to scavenger receptor CD36 signaling, their role in CD36-dependent macrophage foam cell formation remains unknown. Guanine Nucleotides 20-38 vav 1 oncogene Mus musculus 9-12 21386094-4 2011 Here, we report that monoubiquitination of lysine-147 in the guanine nucleotide-binding motif of wild-type K-Ras could lead to enhanced GTP loading. Guanine Nucleotides 61-79 KRAS proto-oncogene, GTPase Homo sapiens 107-112 21224482-6 2011 The reduction in protein synthesis occurred with a concomitant decrease in expression and activity of eukaryotic initiation factor 2B (eIF2B), a regulated and rate-controlling guanine nucleotide exchange factor known to affect global rates of protein synthesis. Guanine Nucleotides 176-194 eukaryotic translation initiation factor 2B, subunit 4 delta Mus musculus 135-140 21779498-5 2011 Of these, the guanine nucleotide exchange factors of the Ras-like (Ral) small GTPases (RalGEFs) have emerged as important effectors of mutant Ras in pancreatic, colon, and other cancers. Guanine Nucleotides 14-32 RAN pseudogene 1 Homo sapiens 57-65 21779498-5 2011 Of these, the guanine nucleotide exchange factors of the Ras-like (Ral) small GTPases (RalGEFs) have emerged as important effectors of mutant Ras in pancreatic, colon, and other cancers. Guanine Nucleotides 14-32 RAN pseudogene 1 Homo sapiens 67-70 21779500-3 2011 Mechanistically, the Sos proteins function as enzymatic factors interacting with Ras proteins in response to upstream stimuli to promote guanine nucleotide exchange (GDP/GTP) and subsequent formation of the active Ras-GTP complex. Guanine Nucleotides 137-155 SOS Ras/Rac guanine nucleotide exchange factor 1 Homo sapiens 21-24 21779501-1 2011 Ras-GRF1 (GRF1) and Ras-GRF2 (GRF2) constitute a family of guanine nucleotide exchange factors (GEFs). Guanine Nucleotides 59-77 RAS protein-specific guanine nucleotide-releasing factor 1 Mus musculus 0-8 21779501-1 2011 Ras-GRF1 (GRF1) and Ras-GRF2 (GRF2) constitute a family of guanine nucleotide exchange factors (GEFs). Guanine Nucleotides 59-77 RAS protein-specific guanine nucleotide-releasing factor 1 Mus musculus 4-8 21779501-1 2011 Ras-GRF1 (GRF1) and Ras-GRF2 (GRF2) constitute a family of guanine nucleotide exchange factors (GEFs). Guanine Nucleotides 59-77 RAS protein-specific guanine nucleotide-releasing factor 2 Mus musculus 20-28 21779501-1 2011 Ras-GRF1 (GRF1) and Ras-GRF2 (GRF2) constitute a family of guanine nucleotide exchange factors (GEFs). Guanine Nucleotides 59-77 RAS protein-specific guanine nucleotide-releasing factor 2 Mus musculus 24-28 21329509-2 2011 The Kalrn gene encodes several functionally distinct isoforms; these multidomain guanine nucleotide exchange factors (GEFs) contain additional domains known to interact with phosphatidylinositides as well as with a number of different proteins. Guanine Nucleotides 81-99 kalirin, RhoGEF kinase Mus musculus 4-9 21198641-0 2011 SynArfGEF is a guanine nucleotide exchange factor for Arf6 and localizes preferentially at post-synaptic specializations of inhibitory synapses. Guanine Nucleotides 15-33 ADP ribosylation factor 6 Homo sapiens 54-58 21166484-1 2011 Cingulin (CGN) and paracingulin (CGNL1) are structurally related proteins that regulate Rho family GTPases by recruiting guanine nucleotide exchange factors to epithelial junctions. Guanine Nucleotides 121-139 cingulin Canis lupus familiaris 0-8 21295482-3 2011 RESULTS: Using a candidate screen approach for Rho GTPase activators (guanine nucleotide exchange factors; GEFs) and Rho GTPase inactivators (GTPase-activating proteins; GAPs), we find that Abr, a protein with both GEF and GAP activity, regulates Rho and Cdc42 during single-cell wound repair. Guanine Nucleotides 70-88 Rho/Rac guanine nucleotide exchange factor 2 Homo sapiens 107-110 21295482-3 2011 RESULTS: Using a candidate screen approach for Rho GTPase activators (guanine nucleotide exchange factors; GEFs) and Rho GTPase inactivators (GTPase-activating proteins; GAPs), we find that Abr, a protein with both GEF and GAP activity, regulates Rho and Cdc42 during single-cell wound repair. Guanine Nucleotides 70-88 cell division cycle 42 Homo sapiens 255-260 21235522-5 2011 A recent publication in this issue of the Biochemical Journal offers a solution to the "final problem", demonstrating under native conditions that Frizzleds expressed in mammalian brain preparations act functionally to catalyse guanine-nucleotide exchange in response to stimulation with Wnt3a. Guanine Nucleotides 228-246 Wnt family member 3A Homo sapiens 288-293 21373644-0 2011 The nuclear guanine nucleotide exchange factors Ect2 and Net1 regulate RhoB-mediated cell death after DNA damage. Guanine Nucleotides 12-30 epithelial cell transforming 2 Homo sapiens 48-52 21373644-0 2011 The nuclear guanine nucleotide exchange factors Ect2 and Net1 regulate RhoB-mediated cell death after DNA damage. Guanine Nucleotides 12-30 neuroepithelial cell transforming 1 Homo sapiens 57-61 21373644-0 2011 The nuclear guanine nucleotide exchange factors Ect2 and Net1 regulate RhoB-mediated cell death after DNA damage. Guanine Nucleotides 12-30 ras homolog family member B Homo sapiens 71-75 21373644-8 2011 The increase in RhoB activity after genotoxic stress is associated with increased activity of the nuclear guanine nucleotide exchange factors (GEFs), Ect2 and Net1, but not the cytoplasmic GEFs p115 RhoGEF or Vav2. Guanine Nucleotides 106-124 ras homolog family member B Homo sapiens 16-20 21128903-4 2011 Addition of the Wnt3a ligand to rat brain membranes or cultured cells elicits Fz-dependent guanine-nucleotide exchange on G(o/i) proteins. Guanine Nucleotides 91-109 Wnt family member 3A Rattus norvegicus 16-21 21166484-1 2011 Cingulin (CGN) and paracingulin (CGNL1) are structurally related proteins that regulate Rho family GTPases by recruiting guanine nucleotide exchange factors to epithelial junctions. Guanine Nucleotides 121-139 cingulin Canis lupus familiaris 10-13 21166484-1 2011 Cingulin (CGN) and paracingulin (CGNL1) are structurally related proteins that regulate Rho family GTPases by recruiting guanine nucleotide exchange factors to epithelial junctions. Guanine Nucleotides 121-139 cingulin like 1 Canis lupus familiaris 19-31 21166484-1 2011 Cingulin (CGN) and paracingulin (CGNL1) are structurally related proteins that regulate Rho family GTPases by recruiting guanine nucleotide exchange factors to epithelial junctions. Guanine Nucleotides 121-139 cingulin like 1 Canis lupus familiaris 33-38 21115479-1 2011 Ric-8A and Ric-8B are nonreceptor G protein guanine nucleotide exchange factors that collectively bind the four subfamilies of G protein alpha subunits. Guanine Nucleotides 44-62 RIC8 guanine nucleotide exchange factor A Homo sapiens 0-6 21283588-2 2011 One class of signaling proteins that regulate actin cytoskeletal rearrangement is the evolutionarily conserved CDM (C. elegansCed-5, human DOCK180, DrosophilaMyoblast city, or Mbc) family of proteins, which function as unconventional guanine nucleotide exchange factors for the small GTPase Rac. Guanine Nucleotides 234-252 dedicator of cytokinesis 1 Homo sapiens 139-146 20838377-0 2011 Guanine nucleotides regulate sphingosine kinase 1 activation by eukaryotic elongation factor 1A and provide a mechanism for eEF1A-associated oncogenesis. Guanine Nucleotides 0-19 sphingosine kinase 1 Homo sapiens 29-49 20838377-0 2011 Guanine nucleotides regulate sphingosine kinase 1 activation by eukaryotic elongation factor 1A and provide a mechanism for eEF1A-associated oncogenesis. Guanine Nucleotides 0-19 eukaryotic translation elongation factor 1 alpha 1 Homo sapiens 64-95 20838377-0 2011 Guanine nucleotides regulate sphingosine kinase 1 activation by eukaryotic elongation factor 1A and provide a mechanism for eEF1A-associated oncogenesis. Guanine Nucleotides 0-19 eukaryotic translation elongation factor 1 alpha 1 Homo sapiens 124-129 20838377-6 2011 Here, we show that the guanine nucleotide-bound state of eEF1A regulates its ability to activate SK1, with eEF1A.GDP, but not eEF1A.GTP, enhancing SK1 activity in vitro. Guanine Nucleotides 23-41 eukaryotic translation elongation factor 1 alpha 1 Homo sapiens 57-62 20838377-6 2011 Here, we show that the guanine nucleotide-bound state of eEF1A regulates its ability to activate SK1, with eEF1A.GDP, but not eEF1A.GTP, enhancing SK1 activity in vitro. Guanine Nucleotides 23-41 sphingosine kinase 1 Homo sapiens 97-100 20838377-6 2011 Here, we show that the guanine nucleotide-bound state of eEF1A regulates its ability to activate SK1, with eEF1A.GDP, but not eEF1A.GTP, enhancing SK1 activity in vitro. Guanine Nucleotides 23-41 eukaryotic translation elongation factor 1 alpha 1 Homo sapiens 107-112 20838377-6 2011 Here, we show that the guanine nucleotide-bound state of eEF1A regulates its ability to activate SK1, with eEF1A.GDP, but not eEF1A.GTP, enhancing SK1 activity in vitro. Guanine Nucleotides 23-41 eukaryotic translation elongation factor 1 alpha 1 Homo sapiens 107-112 20838377-6 2011 Here, we show that the guanine nucleotide-bound state of eEF1A regulates its ability to activate SK1, with eEF1A.GDP, but not eEF1A.GTP, enhancing SK1 activity in vitro. Guanine Nucleotides 23-41 sphingosine kinase 1 Homo sapiens 147-150 20838377-7 2011 Furthermore, we show that enhancing cellular eEF1A.GDP levels through expression of a guanine nucleotide dissociation inhibitor of eEF1A, translationally controlled tumour protein (TCTP), increased SK1 activity in cells. Guanine Nucleotides 86-104 eukaryotic translation elongation factor 1 alpha 1 Homo sapiens 45-50 20838377-7 2011 Furthermore, we show that enhancing cellular eEF1A.GDP levels through expression of a guanine nucleotide dissociation inhibitor of eEF1A, translationally controlled tumour protein (TCTP), increased SK1 activity in cells. Guanine Nucleotides 86-104 eukaryotic translation elongation factor 1 alpha 1 Homo sapiens 131-136 20838377-7 2011 Furthermore, we show that enhancing cellular eEF1A.GDP levels through expression of a guanine nucleotide dissociation inhibitor of eEF1A, translationally controlled tumour protein (TCTP), increased SK1 activity in cells. Guanine Nucleotides 86-104 tumor protein, translationally-controlled 1 Homo sapiens 181-185 20838377-7 2011 Furthermore, we show that enhancing cellular eEF1A.GDP levels through expression of a guanine nucleotide dissociation inhibitor of eEF1A, translationally controlled tumour protein (TCTP), increased SK1 activity in cells. Guanine Nucleotides 86-104 sphingosine kinase 1 Homo sapiens 198-201 21115479-1 2011 Ric-8A and Ric-8B are nonreceptor G protein guanine nucleotide exchange factors that collectively bind the four subfamilies of G protein alpha subunits. Guanine Nucleotides 44-62 RIC8 guanine nucleotide exchange factor B Homo sapiens 11-17 21209221-6 2011 Increased CaMKII autophosphorylation and activity were associated with increased phosphorylation of the Rac1-guanine nucleotide exchange factors (GEFs) T-cell lymphoma invasion and metastasis 1 (Tiam1) and kalirin-7, known substrates of CaMKII. Guanine Nucleotides 109-127 calcium/calmodulin-dependent protein kinase II, beta Mus musculus 10-16 20965153-4 2011 CHS-111 reduced the cellular levels of GTP-bound RhoA, membrane recruitment of Rho-associated protein kinase 1 and the downstream myosin light chain 2 phosphorylation, and attenuated the interaction between phosphatidylinositol 4-phosphate 5-kinase (PIP5K) and Arf6, whereas it only slightly inhibited the guanine nucleotide exchange activity of human Dbs (DH/PH) protein and did not affect the arfaptin binding to Arf6. Guanine Nucleotides 306-324 phosphatidylinositol-5-phosphate 4-kinase type 2 gamma Homo sapiens 207-248 21209221-6 2011 Increased CaMKII autophosphorylation and activity were associated with increased phosphorylation of the Rac1-guanine nucleotide exchange factors (GEFs) T-cell lymphoma invasion and metastasis 1 (Tiam1) and kalirin-7, known substrates of CaMKII. Guanine Nucleotides 109-127 Rac family small GTPase 1 Mus musculus 104-108 21209221-6 2011 Increased CaMKII autophosphorylation and activity were associated with increased phosphorylation of the Rac1-guanine nucleotide exchange factors (GEFs) T-cell lymphoma invasion and metastasis 1 (Tiam1) and kalirin-7, known substrates of CaMKII. Guanine Nucleotides 109-127 T cell lymphoma invasion and metastasis 1 Mus musculus 152-193 21209221-6 2011 Increased CaMKII autophosphorylation and activity were associated with increased phosphorylation of the Rac1-guanine nucleotide exchange factors (GEFs) T-cell lymphoma invasion and metastasis 1 (Tiam1) and kalirin-7, known substrates of CaMKII. Guanine Nucleotides 109-127 T cell lymphoma invasion and metastasis 1 Mus musculus 195-200 21209221-6 2011 Increased CaMKII autophosphorylation and activity were associated with increased phosphorylation of the Rac1-guanine nucleotide exchange factors (GEFs) T-cell lymphoma invasion and metastasis 1 (Tiam1) and kalirin-7, known substrates of CaMKII. Guanine Nucleotides 109-127 calcium/calmodulin-dependent protein kinase II, beta Mus musculus 237-243 21151158-11 2011 The guanine nucleotide exchange activity of Vav1 was required for enhancing Bcl-2 promoter activity, and the Vav1 downstream substrate, small GTPase Rac2, was likely involved in the control of Bcl-2 expression. Guanine Nucleotides 4-22 vav guanine nucleotide exchange factor 1 Homo sapiens 44-48 21151158-11 2011 The guanine nucleotide exchange activity of Vav1 was required for enhancing Bcl-2 promoter activity, and the Vav1 downstream substrate, small GTPase Rac2, was likely involved in the control of Bcl-2 expression. Guanine Nucleotides 4-22 BCL2 apoptosis regulator Homo sapiens 76-81 20118221-2 2011 Although the activity of IDO is required for the immunosuppression of allergic airway disease by the Toll-Like-Receptor 9 (TLR9) agonist, oligonucleotides comprised of cytosine and guanine nucleotides linked by phosphodiester bonds (CpG) DNA, it is unclear whether IDO expression by resident lung epithelial cells is sufficient to elicit these effects. Guanine Nucleotides 181-200 indoleamine 2,3-dioxygenase 1 Mus musculus 25-28 21858031-6 2011 Also phosphorylation activity of LRRK2 is unchanged when the LRRK2 guanine nucleotide binding pocket is previously saturated with various nucleotides, in contrast to the greatly reduced activity measured for the guanine nucleotide binding site mutant T1348N. Guanine Nucleotides 67-85 leucine rich repeat kinase 2 Homo sapiens 33-38 21863212-10 2011 Among these potential modifier genes, guanine nucleotide exchange factor 1 for small GTPases of the Ras family (RAPGEF1) and transcription factor Spi-B (SPIB) were validated in an acutely CLN3-depleted cell model. Guanine Nucleotides 38-56 Rap guanine nucleotide exchange factor 1 Homo sapiens 112-119 21863212-10 2011 Among these potential modifier genes, guanine nucleotide exchange factor 1 for small GTPases of the Ras family (RAPGEF1) and transcription factor Spi-B (SPIB) were validated in an acutely CLN3-depleted cell model. Guanine Nucleotides 38-56 CLN3 lysosomal/endosomal transmembrane protein, battenin Homo sapiens 188-192 21853086-1 2011 Heterotrimeric G protein alpha subunits are activated upon exchange of GDP for GTP at the nucleotide binding site of Galpha, catalyzed by guanine nucleotide exchange factors (GEFs). Guanine Nucleotides 138-156 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 117-123 20980241-0 2011 Guanine nucleotide pool imbalance impairs multiple steps of protein synthesis and disrupts GCN4 translational control in Saccharomyces cerevisiae. Guanine Nucleotides 0-18 amino acid starvation-responsive transcription factor GCN4 Saccharomyces cerevisiae S288C 91-95 20980241-8 2011 These and other findings suggest that a defect in guanine nucleotide biosynthesis evokes a reduction in the rate of general protein synthesis by impairing multiple steps of the process, disrupts the gene-specific reinitiation mechanism for translation of GCN4 mRNA and has far-reaching effects in cell biology and metabolism. Guanine Nucleotides 50-68 amino acid starvation-responsive transcription factor GCN4 Saccharomyces cerevisiae S288C 255-259 21607862-1 2011 On activation, G-protein-coupled receptors (GPCRs) exert many of their cellular actions through -promoting guanine nucleotide exchange on Galpha subunits of heterotrimeric G proteins to release Galpha-GTP and free betagamma-subunits. Guanine Nucleotides 107-125 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 138-144 21607862-1 2011 On activation, G-protein-coupled receptors (GPCRs) exert many of their cellular actions through -promoting guanine nucleotide exchange on Galpha subunits of heterotrimeric G proteins to release Galpha-GTP and free betagamma-subunits. Guanine Nucleotides 107-125 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 194-200 21858031-6 2011 Also phosphorylation activity of LRRK2 is unchanged when the LRRK2 guanine nucleotide binding pocket is previously saturated with various nucleotides, in contrast to the greatly reduced activity measured for the guanine nucleotide binding site mutant T1348N. Guanine Nucleotides 67-85 leucine rich repeat kinase 2 Homo sapiens 61-66 21858031-6 2011 Also phosphorylation activity of LRRK2 is unchanged when the LRRK2 guanine nucleotide binding pocket is previously saturated with various nucleotides, in contrast to the greatly reduced activity measured for the guanine nucleotide binding site mutant T1348N. Guanine Nucleotides 212-230 leucine rich repeat kinase 2 Homo sapiens 33-38 21858031-7 2011 Interestingly, when nucleotides were incubated with cell lysates prior to purification of LRRK2, kinase activity was slightly enhanced by GTPgammaS or GMPPCP compared to GDP, pointing to an upstream guanine nucleotide binding protein that may activate LRRK2 in a GTP-dependent manner. Guanine Nucleotides 199-217 leucine rich repeat kinase 2 Homo sapiens 90-95 20844236-3 2010 HGAL enhances activation of RhoA and its down-stream effectors by a novel mechanism - direct binding to the catalytic DH-domain of the RhoA-specific guanine nucleotide exchange factors (RhoGEFs) PDZ-RhoGEF and LARG that stimulate the GDP-GTP exchange rate of RhoA. Guanine Nucleotides 149-167 germinal center associated signaling and motility Homo sapiens 0-4 21064165-0 2011 Modulation of a GEF switch: autoinhibition of the intrinsic guanine nucleotide exchange activity of p115-RhoGEF. Guanine Nucleotides 60-78 Rho/Rac guanine nucleotide exchange factor 2 Homo sapiens 16-19 21064165-0 2011 Modulation of a GEF switch: autoinhibition of the intrinsic guanine nucleotide exchange activity of p115-RhoGEF. Guanine Nucleotides 60-78 Rho guanine nucleotide exchange factor 1 Homo sapiens 100-111 21064165-1 2011 p115-RhoGEF (p115) belongs to the family of RGS-containing guanine nucleotide exchange factors for Rho GTPases (RGS-RhoGEFs) that are activated by G12 class heterotrimeric G protein alpha subunits. Guanine Nucleotides 59-77 Rho guanine nucleotide exchange factor 1 Homo sapiens 0-11 21064165-1 2011 p115-RhoGEF (p115) belongs to the family of RGS-containing guanine nucleotide exchange factors for Rho GTPases (RGS-RhoGEFs) that are activated by G12 class heterotrimeric G protein alpha subunits. Guanine Nucleotides 59-77 Rho guanine nucleotide exchange factor 1 Homo sapiens 0-4 21064165-1 2011 p115-RhoGEF (p115) belongs to the family of RGS-containing guanine nucleotide exchange factors for Rho GTPases (RGS-RhoGEFs) that are activated by G12 class heterotrimeric G protein alpha subunits. Guanine Nucleotides 59-77 paired like homeodomain 2 Homo sapiens 44-47 21064165-1 2011 p115-RhoGEF (p115) belongs to the family of RGS-containing guanine nucleotide exchange factors for Rho GTPases (RGS-RhoGEFs) that are activated by G12 class heterotrimeric G protein alpha subunits. Guanine Nucleotides 59-77 paired like homeodomain 2 Homo sapiens 112-115 21064165-3 2011 We have identified that the linker region connecting the N-terminal RGS-homology (RH) domain and the DH domain inhibits the intrinsic guanine nucleotide exchange (GEF) activity of p115, and determined the crystal structures of the DH/PH domains in the presence or absence of the inhibitory linker region. Guanine Nucleotides 134-152 paired like homeodomain 2 Homo sapiens 68-71 21064165-3 2011 We have identified that the linker region connecting the N-terminal RGS-homology (RH) domain and the DH domain inhibits the intrinsic guanine nucleotide exchange (GEF) activity of p115, and determined the crystal structures of the DH/PH domains in the presence or absence of the inhibitory linker region. Guanine Nucleotides 134-152 Rho/Rac guanine nucleotide exchange factor 2 Homo sapiens 163-166 21064165-3 2011 We have identified that the linker region connecting the N-terminal RGS-homology (RH) domain and the DH domain inhibits the intrinsic guanine nucleotide exchange (GEF) activity of p115, and determined the crystal structures of the DH/PH domains in the presence or absence of the inhibitory linker region. Guanine Nucleotides 134-152 Rho guanine nucleotide exchange factor 1 Homo sapiens 180-184 20844236-3 2010 HGAL enhances activation of RhoA and its down-stream effectors by a novel mechanism - direct binding to the catalytic DH-domain of the RhoA-specific guanine nucleotide exchange factors (RhoGEFs) PDZ-RhoGEF and LARG that stimulate the GDP-GTP exchange rate of RhoA. Guanine Nucleotides 149-167 ras homolog family member A Homo sapiens 28-32 20844236-3 2010 HGAL enhances activation of RhoA and its down-stream effectors by a novel mechanism - direct binding to the catalytic DH-domain of the RhoA-specific guanine nucleotide exchange factors (RhoGEFs) PDZ-RhoGEF and LARG that stimulate the GDP-GTP exchange rate of RhoA. Guanine Nucleotides 149-167 ras homolog family member A Homo sapiens 135-139 20844236-3 2010 HGAL enhances activation of RhoA and its down-stream effectors by a novel mechanism - direct binding to the catalytic DH-domain of the RhoA-specific guanine nucleotide exchange factors (RhoGEFs) PDZ-RhoGEF and LARG that stimulate the GDP-GTP exchange rate of RhoA. Guanine Nucleotides 149-167 Rho guanine nucleotide exchange factor 11 Homo sapiens 195-205 20844236-3 2010 HGAL enhances activation of RhoA and its down-stream effectors by a novel mechanism - direct binding to the catalytic DH-domain of the RhoA-specific guanine nucleotide exchange factors (RhoGEFs) PDZ-RhoGEF and LARG that stimulate the GDP-GTP exchange rate of RhoA. Guanine Nucleotides 149-167 Rho guanine nucleotide exchange factor 12 Homo sapiens 210-214 20844236-3 2010 HGAL enhances activation of RhoA and its down-stream effectors by a novel mechanism - direct binding to the catalytic DH-domain of the RhoA-specific guanine nucleotide exchange factors (RhoGEFs) PDZ-RhoGEF and LARG that stimulate the GDP-GTP exchange rate of RhoA. Guanine Nucleotides 149-167 ras homolog family member A Homo sapiens 135-139 20729917-4 2010 A number of candidate Crk SH3-binding proteins have been identified, including the nonreceptor tyrosine kinases c-Abl and Arg, and the guanine nucleotide exchange proteins C3G, SOS1 and DOCK180. Guanine Nucleotides 135-153 v-crk avian sarcoma virus CT10 oncogene homolog Mus musculus 22-25 20729917-4 2010 A number of candidate Crk SH3-binding proteins have been identified, including the nonreceptor tyrosine kinases c-Abl and Arg, and the guanine nucleotide exchange proteins C3G, SOS1 and DOCK180. Guanine Nucleotides 135-153 Rap guanine nucleotide exchange factor (GEF) 1 Mus musculus 172-175 20729917-4 2010 A number of candidate Crk SH3-binding proteins have been identified, including the nonreceptor tyrosine kinases c-Abl and Arg, and the guanine nucleotide exchange proteins C3G, SOS1 and DOCK180. Guanine Nucleotides 135-153 dedicator of cytokinesis 1 Mus musculus 186-193 20964430-1 2010 Electrostatic fields at the interface of the Ras binding domain of the protein Ral guanine nucleotide dissociation stimulator (RalGDS) with the structurally analogous GTPases Ras and Rap1A were measured with vibrational Stark effect (VSE) spectroscopy. Guanine Nucleotides 83-101 RAS like proto-oncogene A Homo sapiens 79-82 20658144-2 2010 Ran-binding protein 1 (RanBP1) regulates guanine nucleotide turnover on Ran, as well as its interactions with effectors. Guanine Nucleotides 41-59 RAN binding protein 1 Homo sapiens 0-21 20658144-2 2010 Ran-binding protein 1 (RanBP1) regulates guanine nucleotide turnover on Ran, as well as its interactions with effectors. Guanine Nucleotides 41-59 RAN binding protein 1 Homo sapiens 23-29 20658144-2 2010 Ran-binding protein 1 (RanBP1) regulates guanine nucleotide turnover on Ran, as well as its interactions with effectors. Guanine Nucleotides 41-59 RAN, member RAS oncogene family Homo sapiens 0-3 20854417-2 2010 Brefeldin A (BFA) is relatively non-selective inhibiting at least three targets in human cells, Golgi brefeldin A resistance factor 1 (GBF1), brefeldin A inhibited guanine nucleotide exchange factor 1 (BIG1) and brefeldin A inhibited guanine nucleotide exchange factor 2 (BIG2). Guanine Nucleotides 164-182 golgi brefeldin A resistant guanine nucleotide exchange factor 1 Homo sapiens 135-139 20854417-2 2010 Brefeldin A (BFA) is relatively non-selective inhibiting at least three targets in human cells, Golgi brefeldin A resistance factor 1 (GBF1), brefeldin A inhibited guanine nucleotide exchange factor 1 (BIG1) and brefeldin A inhibited guanine nucleotide exchange factor 2 (BIG2). Guanine Nucleotides 234-252 golgi brefeldin A resistant guanine nucleotide exchange factor 1 Homo sapiens 135-139 20964430-1 2010 Electrostatic fields at the interface of the Ras binding domain of the protein Ral guanine nucleotide dissociation stimulator (RalGDS) with the structurally analogous GTPases Ras and Rap1A were measured with vibrational Stark effect (VSE) spectroscopy. Guanine Nucleotides 83-101 ral guanine nucleotide dissociation stimulator Homo sapiens 127-133 20842712-1 2010 Intersectin 1L (ITSN1L) acts as a specific guanine nucleotide exchange factor (GEF) for the small guanine nucleotide binding protein Cdc42 via its C-terminal DH domain. Guanine Nucleotides 43-61 Ras protein specific guanine nucleotide releasing factor 1 Homo sapiens 79-82 20833725-0 2010 GDP-bound and nucleotide-free intermediates of the guanine nucleotide exchange in the Rab5 Vps9 system. Guanine Nucleotides 51-69 Vacuolar sorting protein 9 (VPS9) domain-containing protein Arabidopsis thaliana 91-95 20974968-4 2010 UVRAG activates PI3KC3 and C-VPS/HOPS, a guanine nucleotide exchange factor that catalyzes the exchange of GDP for GTP on Rab7. Guanine Nucleotides 41-59 UV radiation resistance associated Homo sapiens 0-5 20974968-4 2010 UVRAG activates PI3KC3 and C-VPS/HOPS, a guanine nucleotide exchange factor that catalyzes the exchange of GDP for GTP on Rab7. Guanine Nucleotides 41-59 RAB7A, member RAS oncogene family Homo sapiens 122-126 21526108-3 2010 Thrombin adjusts the EC cycle through activation of G proteins (G12/13), and later through Rho GEFs (guanine nucleotide exchange factors), and provides a path for Rho GTPases mediated cytoskeletal responses involved in shape change and permeability of the EC membrane leading to an increase of leakage of plasma proteins.At the same time, thrombin stimulates spontaneous mitogenesis by inducing activation of the cell cycle from G0-G1 to S by down-regulation of p27Kip1, a negative regulator of the cell cycle, in association with the up-regulation of S-phase kinase associated protein 2 (Skp2). Guanine Nucleotides 101-119 coagulation factor II, thrombin Homo sapiens 0-8 21059949-3 2010 Nucleotide-free and GDP-bound GIMAP2 were monomeric and revealed a guanine nucleotide-binding domain of the TRAFAC (translation factor associated) class with a unique amphipathic helix alpha7 packing against switch II. Guanine Nucleotides 67-85 GTPase, IMAP family member 2 Homo sapiens 30-36 20829437-2 2010 RabGEF1, a guanine nucleotide exchange factor for Rab5 GTPase, is a negative regulator of IgE-dependent mast cell activation, and Rabgef1-/- and TSLP transgenic mice share many similar phenotypic characteristics, including elevated serum IgE levels and severe skin inflammation, with infiltrates of both lymphocytes and eosinophils. Guanine Nucleotides 11-29 RAB guanine nucleotide exchange factor (GEF) 1 Mus musculus 0-7 20842712-1 2010 Intersectin 1L (ITSN1L) acts as a specific guanine nucleotide exchange factor (GEF) for the small guanine nucleotide binding protein Cdc42 via its C-terminal DH domain. Guanine Nucleotides 43-61 cell division cycle 42 Homo sapiens 133-138 20876100-8 2010 Moreover, FER was pulled down by ROP2 GTPase in a guanine nucleotide-regulated manner implying a dynamic signaling complex involving FER, a ROPGEF, and a RAC/ROP. Guanine Nucleotides 50-68 RHO-related protein from plants 2 Arabidopsis thaliana 33-37 20634378-3 2010 Here, we show that a signaling pathway mediated by the DC immunoreceptor tyrosine-based activation motif (ITAM)-containing adaptors (DAP12 and FcRgamma) and Vav family guanine nucleotide exchange factors controls the half-life of surface peptide-MHCII (pMHCII) complexes and is critical for CD4 T-cell triggering in vitro. Guanine Nucleotides 168-186 TYRO protein tyrosine kinase binding protein Mus musculus 133-138 20634378-3 2010 Here, we show that a signaling pathway mediated by the DC immunoreceptor tyrosine-based activation motif (ITAM)-containing adaptors (DAP12 and FcRgamma) and Vav family guanine nucleotide exchange factors controls the half-life of surface peptide-MHCII (pMHCII) complexes and is critical for CD4 T-cell triggering in vitro. Guanine Nucleotides 168-186 Fc receptor, IgE, high affinity I, gamma polypeptide Mus musculus 143-151 21048939-3 2010 METHODOLOGY/PRINCIPAL FINDINGS: Here, we show that the rho guanine nucleotide exchange factor ARHGEF7 and the small GTPase CDC42 are interacting with LRRK2 in vitro and in vivo. Guanine Nucleotides 59-77 Rho guanine nucleotide exchange factor 7 Homo sapiens 94-101 21048939-3 2010 METHODOLOGY/PRINCIPAL FINDINGS: Here, we show that the rho guanine nucleotide exchange factor ARHGEF7 and the small GTPase CDC42 are interacting with LRRK2 in vitro and in vivo. Guanine Nucleotides 59-77 leucine rich repeat kinase 2 Homo sapiens 150-155 20604901-3 2010 Here, we show that SNX1 and SNX2 interact with the Rac1 and RhoG guanine nucleotide exchange factor Kalirin-7. Guanine Nucleotides 65-83 sorting nexin 2 Homo sapiens 28-32 20679342-0 2010 Nucleobindin 1 is a calcium-regulated guanine nucleotide dissociation inhibitor of G{alpha}i1. Guanine Nucleotides 38-56 nucleobindin 1 Homo sapiens 0-14 20679342-9 2010 Thus, we conclude that sNUCB1 is a calcium-dependent guanine nucleotide dissociation inhibitor (GDI) for Galpha(i1). Guanine Nucleotides 53-71 protein phosphatase 1 regulatory inhibitor subunit 1A Homo sapiens 105-114 20958313-4 2010 The ELMO1/Dock180 proteins form an evolutionarily conserved signaling module that functions as a bipartite guanine nucleotide exchange factor for the small GTPase Rac. Guanine Nucleotides 107-125 engulfment and cell motility 1 Homo sapiens 4-9 20958313-4 2010 The ELMO1/Dock180 proteins form an evolutionarily conserved signaling module that functions as a bipartite guanine nucleotide exchange factor for the small GTPase Rac. Guanine Nucleotides 107-125 dedicator of cytokinesis 1 Homo sapiens 10-17 20958313-4 2010 The ELMO1/Dock180 proteins form an evolutionarily conserved signaling module that functions as a bipartite guanine nucleotide exchange factor for the small GTPase Rac. Guanine Nucleotides 107-125 AKT serine/threonine kinase 1 Homo sapiens 163-166 20601426-5 2010 We had earlier reported a 100-kDa ARF-GEF, termed ARF-guanine nucleotide exchange protein 100, GEP100, that preferentially activates ARF6 and was also described by Dunphy et al. Guanine Nucleotides 54-72 IQ motif and Sec7 domain ArfGEF 1 Homo sapiens 95-101 20601426-5 2010 We had earlier reported a 100-kDa ARF-GEF, termed ARF-guanine nucleotide exchange protein 100, GEP100, that preferentially activates ARF6 and was also described by Dunphy et al. Guanine Nucleotides 54-72 ADP ribosylation factor 6 Homo sapiens 133-137 20878268-5 2010 The addition of a geranylgeranyl group to the carboxy (C-) terminus targets Rho GTPases to the plasma membrane and promotes their activation by facilitating interaction with guanine nucleotide exchange factors and allowing sequestering by association with guanine dissociation inhibitors. Guanine Nucleotides 174-192 ras homolog family member A Homo sapiens 76-87 20696765-3 2010 A search for the underlying mechanism revealed direct interaction of plexin-B3 with RhoGDP dissociation inhibitor alpha (RhoGDIalpha), a negative regulator of RhoGTPases that blocks guanine nucleotide exchange and sequesters them away from the plasma membrane. Guanine Nucleotides 182-200 plexin B3 Homo sapiens 69-78 20696765-3 2010 A search for the underlying mechanism revealed direct interaction of plexin-B3 with RhoGDP dissociation inhibitor alpha (RhoGDIalpha), a negative regulator of RhoGTPases that blocks guanine nucleotide exchange and sequesters them away from the plasma membrane. Guanine Nucleotides 182-200 Rho GDP dissociation inhibitor alpha Homo sapiens 84-119 20604901-3 2010 Here, we show that SNX1 and SNX2 interact with the Rac1 and RhoG guanine nucleotide exchange factor Kalirin-7. Guanine Nucleotides 65-83 sorting nexin 1 Homo sapiens 19-23 20604901-3 2010 Here, we show that SNX1 and SNX2 interact with the Rac1 and RhoG guanine nucleotide exchange factor Kalirin-7. Guanine Nucleotides 65-83 ras homolog family member G Homo sapiens 60-64 20604901-3 2010 Here, we show that SNX1 and SNX2 interact with the Rac1 and RhoG guanine nucleotide exchange factor Kalirin-7. Guanine Nucleotides 65-83 kalirin RhoGEF kinase Homo sapiens 100-107 20516067-2 2010 We established and analyzed mice with neural-specific knock-out of Trio, a guanine nucleotide exchange factor with multiple guanine nucleotide exchange factor domains. Guanine Nucleotides 75-93 triple functional domain (PTPRF interacting) Mus musculus 67-71 20525880-3 2010 Interestingly, EGFR phosphorylation, most notably at the tyrosine 1068 residue, is dramatically upregulated, and EGFR association with the Sos1 guanine nucleotide exchange factor is concomitantly increased upon DHA supplementation. Guanine Nucleotides 144-162 epidermal growth factor receptor Homo sapiens 113-117 20525880-3 2010 Interestingly, EGFR phosphorylation, most notably at the tyrosine 1068 residue, is dramatically upregulated, and EGFR association with the Sos1 guanine nucleotide exchange factor is concomitantly increased upon DHA supplementation. Guanine Nucleotides 144-162 SOS Ras/Rac guanine nucleotide exchange factor 1 Homo sapiens 139-143 20713598-0 2010 Myosin II directly binds and inhibits Dbl family guanine nucleotide exchange factors: a possible link to Rho family GTPases. Guanine Nucleotides 49-67 MCF.2 cell line derived transforming sequence Homo sapiens 38-41 20713598-4 2010 Here, we show that MII interacts specifically with multiple Dbl family guanine nucleotide exchange factors (GEFs). Guanine Nucleotides 71-89 MCF.2 cell line derived transforming sequence Homo sapiens 60-63 20808934-2 2010 Inosine 5"-monophosphate dehydrogenase type II (IMPDH2) encodes the rate-limiting enzyme in the de novo guanine nucleotide biosynthesis and has been linked to cell growth, differentiation, and malignant transformation. Guanine Nucleotides 104-122 inosine monophosphate dehydrogenase 2 Homo sapiens 48-54 20516067-2 2010 We established and analyzed mice with neural-specific knock-out of Trio, a guanine nucleotide exchange factor with multiple guanine nucleotide exchange factor domains. Guanine Nucleotides 124-142 triple functional domain (PTPRF interacting) Mus musculus 67-71 20430865-5 2010 Thus, brain preparations from spinophilin-null mice demonstrate enhanced guanine nucleotide regulation of UK14,304 binding and evidence of a larger fraction of alpha(2A)AR in the guanine-nucleotide-sensitive higher affinity state compared with those from wild-type mice. Guanine Nucleotides 73-91 protein phosphatase 1, regulatory subunit 9B Mus musculus 30-41 20430865-5 2010 Thus, brain preparations from spinophilin-null mice demonstrate enhanced guanine nucleotide regulation of UK14,304 binding and evidence of a larger fraction of alpha(2A)AR in the guanine-nucleotide-sensitive higher affinity state compared with those from wild-type mice. Guanine Nucleotides 179-197 protein phosphatase 1, regulatory subunit 9B Mus musculus 30-41 20529869-6 2010 All four mutants display higher than wild-type GTPase activities, and more importantly, the mutants form high order oligomers that are significantly more resistant than wild-type dynamin 2 to disassembly by guanine nucleotides or high ionic strength. Guanine Nucleotides 207-226 dynamin 2 Homo sapiens 179-188 20634316-2 2010 Here, we report that the major binding partners of the Connector Enhancer of KSR 1 (CNK1) scaffold are members of the cytohesin family of Arf guanine nucleotide exchange factors, and that the CNK1/cytohesin interaction is critical for activation of the PI3K/AKT cascade downstream from insulin and insulin-like growth factor 1 (IGF-1) receptors. Guanine Nucleotides 142-160 connector enhancer of kinase suppressor of Ras 1 Homo sapiens 55-82 20634316-2 2010 Here, we report that the major binding partners of the Connector Enhancer of KSR 1 (CNK1) scaffold are members of the cytohesin family of Arf guanine nucleotide exchange factors, and that the CNK1/cytohesin interaction is critical for activation of the PI3K/AKT cascade downstream from insulin and insulin-like growth factor 1 (IGF-1) receptors. Guanine Nucleotides 142-160 connector enhancer of kinase suppressor of Ras 1 Homo sapiens 84-88 20634316-2 2010 Here, we report that the major binding partners of the Connector Enhancer of KSR 1 (CNK1) scaffold are members of the cytohesin family of Arf guanine nucleotide exchange factors, and that the CNK1/cytohesin interaction is critical for activation of the PI3K/AKT cascade downstream from insulin and insulin-like growth factor 1 (IGF-1) receptors. Guanine Nucleotides 142-160 connector enhancer of kinase suppressor of Ras 1 Homo sapiens 192-196 20634316-2 2010 Here, we report that the major binding partners of the Connector Enhancer of KSR 1 (CNK1) scaffold are members of the cytohesin family of Arf guanine nucleotide exchange factors, and that the CNK1/cytohesin interaction is critical for activation of the PI3K/AKT cascade downstream from insulin and insulin-like growth factor 1 (IGF-1) receptors. Guanine Nucleotides 142-160 AKT serine/threonine kinase 1 Homo sapiens 258-261 20634316-2 2010 Here, we report that the major binding partners of the Connector Enhancer of KSR 1 (CNK1) scaffold are members of the cytohesin family of Arf guanine nucleotide exchange factors, and that the CNK1/cytohesin interaction is critical for activation of the PI3K/AKT cascade downstream from insulin and insulin-like growth factor 1 (IGF-1) receptors. Guanine Nucleotides 142-160 insulin Homo sapiens 286-293 20634316-2 2010 Here, we report that the major binding partners of the Connector Enhancer of KSR 1 (CNK1) scaffold are members of the cytohesin family of Arf guanine nucleotide exchange factors, and that the CNK1/cytohesin interaction is critical for activation of the PI3K/AKT cascade downstream from insulin and insulin-like growth factor 1 (IGF-1) receptors. Guanine Nucleotides 142-160 insulin like growth factor 1 Homo sapiens 298-326 20634316-2 2010 Here, we report that the major binding partners of the Connector Enhancer of KSR 1 (CNK1) scaffold are members of the cytohesin family of Arf guanine nucleotide exchange factors, and that the CNK1/cytohesin interaction is critical for activation of the PI3K/AKT cascade downstream from insulin and insulin-like growth factor 1 (IGF-1) receptors. Guanine Nucleotides 142-160 insulin like growth factor 1 Homo sapiens 328-333 20644716-7 2010 Themis2 was inducibly tyrosine phosphorylated upon LPS challenge and interacted with Lyn kinase (P25911), the Rho guanine nucleotide exchange factor, Vav (P27870), and the adaptor protein Grb2 (Q60631). Guanine Nucleotides 114-132 thymocyte selection associated family member 2 Homo sapiens 0-7 20576033-3 2010 Rap GTPases can be activated by a wide variety of external stimuli, and this is mediated by specific guanine nucleotide exchange factors (RapGEFs). Guanine Nucleotides 101-119 LDL receptor related protein associated protein 1 Homo sapiens 0-3 20444979-9 2010 In yeast, eIF2B occupies a large cytoplasmic body where guanine nucleotide exchange on eIF2 can occur and be regulated. Guanine Nucleotides 56-74 eukaryotic translation initiation factor 2B subunit delta Homo sapiens 10-15 20301196-8 2010 Moreover, the VE-PTP-induced changes in cell morphology were suppressed by expression of dominant negative forms of FRG or Vav2, both of which are guanine nucleotide exchange factors for Rho family proteins and are activated by tyrosine phosphorylation. Guanine Nucleotides 147-165 protein tyrosine phosphatase receptor type B Homo sapiens 14-20 20301196-8 2010 Moreover, the VE-PTP-induced changes in cell morphology were suppressed by expression of dominant negative forms of FRG or Vav2, both of which are guanine nucleotide exchange factors for Rho family proteins and are activated by tyrosine phosphorylation. Guanine Nucleotides 147-165 vav guanine nucleotide exchange factor 2 Homo sapiens 123-127 20444979-9 2010 In yeast, eIF2B occupies a large cytoplasmic body where guanine nucleotide exchange on eIF2 can occur and be regulated. Guanine Nucleotides 56-74 eukaryotic translation initiation factor 2 subunit alpha Homo sapiens 10-14 20553326-9 2010 Although no direct interaction between AATYK1A and Rab11A could be detected, the exchange of guanine nucleotides bound to Rab11A was significantly reduced in the presence of the phosphorylation-mimic AATYK1A-S34D. Guanine Nucleotides 93-112 ras-related protein Rab-11A Cricetulus griseus 122-128 20404072-1 2010 Heterotrimeric G proteins, consisting of the guanine nucleotide-binding Galpha subunits with GTPase activity and the closely associated Gbeta and Ggamma subunits, are important signaling components for receptors with seven transmembrane domains (7TMRs). Guanine Nucleotides 45-63 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 72-78 20496116-2 2010 In this study, we show that EphA8 undergoes clathrin-mediated endocytosis upon treatment with ephrin-A5, and that EphA8 is associated tightly with Tiam-1, a Rac-specific guanine nucleotide exchange factor. Guanine Nucleotides 170-188 EPH receptor A8 Homo sapiens 114-119 20357002-0 2010 Arf3 is activated uniquely at the trans-Golgi network by brefeldin A-inhibited guanine nucleotide exchange factors. Guanine Nucleotides 79-97 ADP ribosylation factor 3 Homo sapiens 0-4 20357002-3 2010 Unlike other Golgi-localized Arfs, Arf3 associates selectively with membranes of the trans-Golgi network (TGN) in a manner that is both temperature-sensitive and uniquely dependent on guanine nucleotide exchange factors of the BIGs family. Guanine Nucleotides 184-202 ADP ribosylation factor 3 Homo sapiens 35-39 20568994-2 2010 Zizimin2 was revealed that it is a new family member of Dock (dedicator of cytokinesis), Dock11, which was the guanine nucleotide exchange factor for Cdc42, the Rho family of low molecular weight GTPases. Guanine Nucleotides 111-129 dedicator of cytokinesis 11 Mus musculus 0-8 20568994-2 2010 Zizimin2 was revealed that it is a new family member of Dock (dedicator of cytokinesis), Dock11, which was the guanine nucleotide exchange factor for Cdc42, the Rho family of low molecular weight GTPases. Guanine Nucleotides 111-129 dedicator of cytokinesis 11 Mus musculus 89-95 20568994-2 2010 Zizimin2 was revealed that it is a new family member of Dock (dedicator of cytokinesis), Dock11, which was the guanine nucleotide exchange factor for Cdc42, the Rho family of low molecular weight GTPases. Guanine Nucleotides 111-129 cell division cycle 42 Mus musculus 150-155 20496116-2 2010 In this study, we show that EphA8 undergoes clathrin-mediated endocytosis upon treatment with ephrin-A5, and that EphA8 is associated tightly with Tiam-1, a Rac-specific guanine nucleotide exchange factor. Guanine Nucleotides 170-188 TIAM Rac1 associated GEF 1 Homo sapiens 147-153 20214751-4 2010 Here, we have characterized the effect of C-terminal tagging of Arf1 on (i) function in Saccharomyces cerevisiae, (ii) in vitro nucleotide exchange and (iii) interaction with guanine nucleotide exchange factors and GTPase-activating proteins. Guanine Nucleotides 175-193 Arf family GTPase ARF1 Saccharomyces cerevisiae S288C 64-68 20444104-2 2010 In the human opportunistic pathogen Candida albicans, Rac1 and its activator Dck1, a member of the CED5, Dock180, myoblast city family of guanine nucleotide exchange factors, are required for the budding to filamentous transition during invasive growth. Guanine Nucleotides 138-156 Rac family small GTPase 1 Homo sapiens 54-58 20484116-4 2010 Here, we demonstrate that the ligation of TREM2 activated phosphatidylinositol 3-kinase (PI3K), extracellular signal-regulated kinase 1 (ERK1) and ERK2, and the guanine nucleotide exchange factor Vav3; induced the mobilization of intracellular calcium (Ca(2+)) and the reorganization of actin; and prevented apoptosis. Guanine Nucleotides 161-179 triggering receptor expressed on myeloid cells 2 Homo sapiens 42-47 20484116-4 2010 Here, we demonstrate that the ligation of TREM2 activated phosphatidylinositol 3-kinase (PI3K), extracellular signal-regulated kinase 1 (ERK1) and ERK2, and the guanine nucleotide exchange factor Vav3; induced the mobilization of intracellular calcium (Ca(2+)) and the reorganization of actin; and prevented apoptosis. Guanine Nucleotides 161-179 phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit delta Homo sapiens 58-87 20484116-4 2010 Here, we demonstrate that the ligation of TREM2 activated phosphatidylinositol 3-kinase (PI3K), extracellular signal-regulated kinase 1 (ERK1) and ERK2, and the guanine nucleotide exchange factor Vav3; induced the mobilization of intracellular calcium (Ca(2+)) and the reorganization of actin; and prevented apoptosis. Guanine Nucleotides 161-179 vav guanine nucleotide exchange factor 3 Homo sapiens 196-200 20228056-3 2010 Cav1 has been reported to function as a guanine nucleotide dissociation inhibitor (GDI), which inhibits Cdc42 activation. Guanine Nucleotides 40-58 caveolin 1 Homo sapiens 0-4 20498707-0 2010 Searching for signaling balance through the identification of genetic interactors of the Rab guanine-nucleotide dissociation inhibitor gdi-1. Guanine Nucleotides 93-111 GDP dissociation inhibitor 1 Homo sapiens 135-140 20223830-2 2010 ARF6 is activated by a large number of guanine nucleotide exchange factors, which likely regulate ARF6 at different locations and during different processes. Guanine Nucleotides 39-57 ADP ribosylation factor 6 Homo sapiens 0-4 20223830-2 2010 ARF6 is activated by a large number of guanine nucleotide exchange factors, which likely regulate ARF6 at different locations and during different processes. Guanine Nucleotides 39-57 ADP ribosylation factor 6 Homo sapiens 98-102 20223830-3 2010 In this study we investigate the roles of the cytohesin ADP-ribosylation factor (ARF)-guanine nucleotide exchange factors during the recycling of integrin beta1. Guanine Nucleotides 86-104 integrin subunit beta 1 Homo sapiens 146-160 20348106-2 2010 Here we show that the Rho guanine nucleotide exchange factors PDZ-RhoGEF and LARG bind to the C terminus of ABCA1 by a PDZ-PDZ interaction and prevent ABCA1 protein degradation by activating RhoA. Guanine Nucleotides 26-44 Rho guanine nucleotide exchange factor 11 Homo sapiens 62-72 20348106-2 2010 Here we show that the Rho guanine nucleotide exchange factors PDZ-RhoGEF and LARG bind to the C terminus of ABCA1 by a PDZ-PDZ interaction and prevent ABCA1 protein degradation by activating RhoA. Guanine Nucleotides 26-44 Rho guanine nucleotide exchange factor 12 Homo sapiens 77-81 20348106-2 2010 Here we show that the Rho guanine nucleotide exchange factors PDZ-RhoGEF and LARG bind to the C terminus of ABCA1 by a PDZ-PDZ interaction and prevent ABCA1 protein degradation by activating RhoA. Guanine Nucleotides 26-44 ATP binding cassette subfamily A member 1 Homo sapiens 108-113 20348106-2 2010 Here we show that the Rho guanine nucleotide exchange factors PDZ-RhoGEF and LARG bind to the C terminus of ABCA1 by a PDZ-PDZ interaction and prevent ABCA1 protein degradation by activating RhoA. Guanine Nucleotides 26-44 ATP binding cassette subfamily A member 1 Homo sapiens 151-156 20348106-2 2010 Here we show that the Rho guanine nucleotide exchange factors PDZ-RhoGEF and LARG bind to the C terminus of ABCA1 by a PDZ-PDZ interaction and prevent ABCA1 protein degradation by activating RhoA. Guanine Nucleotides 26-44 ras homolog family member A Homo sapiens 191-195 20228056-3 2010 Cav1 has been reported to function as a guanine nucleotide dissociation inhibitor (GDI), which inhibits Cdc42 activation. Guanine Nucleotides 40-58 cell division cycle 42 Homo sapiens 104-109 20157114-5 2010 Mutation of Trp-258 to the corresponding Phe in G alpha(o) decreased GIV binding in vitro and in cultured cells but did not perturb interaction with other G alpha-binding partners, i.e. G betagamma, AGS3 (a guanine nucleotide dissociation inhibitor), GAIP/RGS19 (a GTPase-activating protein), and LPAR1 (a G protein-coupled receptor). Guanine Nucleotides 207-225 G protein subunit alpha o1 Homo sapiens 48-58 20400958-1 2010 At steady state, most Rho GTPases are bound in the cytosol to Rho guanine nucleotide dissociation inhibitors (RhoGDIs). Guanine Nucleotides 66-84 Rho GDP dissociation inhibitor alpha Homo sapiens 110-117 20375281-4 2010 The TRAPP complexes are multimeric guanine nucleotide exchange factors (GEFs) that activate the Rab GTPase Ypt1, which is required for secretion. Guanine Nucleotides 35-53 RAB1A, member RAS oncogene family Homo sapiens 107-111 20308558-5 2010 Rab11, in its GTP-bound form, interacts with Rabin8 and kinetically stimulates the guanine nucleotide-exchange activity of Rabin8 toward Rab8. Guanine Nucleotides 83-101 RAB11A, member RAS oncogene family Homo sapiens 0-5 20139090-4 2010 Here we show that AKAP13 (also known as Brx-1, AKAP-Lbc, and proto-Lbc), a unique protein kinase A-anchoring protein (AKAP) guanine nucleotide exchange region belonging to the Dbl family of oncogenes, is essential for cardiac development. Guanine Nucleotides 124-142 A kinase (PRKA) anchor protein 13 Mus musculus 18-24 20139090-4 2010 Here we show that AKAP13 (also known as Brx-1, AKAP-Lbc, and proto-Lbc), a unique protein kinase A-anchoring protein (AKAP) guanine nucleotide exchange region belonging to the Dbl family of oncogenes, is essential for cardiac development. Guanine Nucleotides 124-142 paired-like homeodomain transcription factor 2 Mus musculus 40-45 20139090-4 2010 Here we show that AKAP13 (also known as Brx-1, AKAP-Lbc, and proto-Lbc), a unique protein kinase A-anchoring protein (AKAP) guanine nucleotide exchange region belonging to the Dbl family of oncogenes, is essential for cardiac development. Guanine Nucleotides 124-142 A kinase (PRKA) anchor protein 13 Mus musculus 47-55 20139090-4 2010 Here we show that AKAP13 (also known as Brx-1, AKAP-Lbc, and proto-Lbc), a unique protein kinase A-anchoring protein (AKAP) guanine nucleotide exchange region belonging to the Dbl family of oncogenes, is essential for cardiac development. Guanine Nucleotides 124-142 A kinase (PRKA) anchor protein 13 Mus musculus 61-70 20139090-4 2010 Here we show that AKAP13 (also known as Brx-1, AKAP-Lbc, and proto-Lbc), a unique protein kinase A-anchoring protein (AKAP) guanine nucleotide exchange region belonging to the Dbl family of oncogenes, is essential for cardiac development. Guanine Nucleotides 124-142 A kinase (PRKA) anchor protein 1 Mus musculus 18-22 20140013-1 2010 Vav proteins are guanine nucleotide exchange factors for Rho GTPases that regulate cell adhesion, motility, spreading and proliferation in response to growth factor signalling. Guanine Nucleotides 17-35 vav guanine nucleotide exchange factor 1 Homo sapiens 0-3 20140013-3 2010 This effect of Vav2 on EGFR degradation is dependent on its guanine nucleotide exchange function. Guanine Nucleotides 60-78 vav guanine nucleotide exchange factor 2 Homo sapiens 15-19 20140013-3 2010 This effect of Vav2 on EGFR degradation is dependent on its guanine nucleotide exchange function. Guanine Nucleotides 60-78 epidermal growth factor receptor Homo sapiens 23-27 20348415-7 2010 Underlying these phenotypes is a high rate of primary cytokinesis failure, associated with aberrant actomyosin ring formation, reduced RhoA activation, and failure to localize the RhoA guanine nucleotide exchange factor Ect2 to the spindle midbody. Guanine Nucleotides 185-203 epithelial cell transforming 2 Homo sapiens 220-224 20308558-5 2010 Rab11, in its GTP-bound form, interacts with Rabin8 and kinetically stimulates the guanine nucleotide-exchange activity of Rabin8 toward Rab8. Guanine Nucleotides 83-101 RAB3A interacting protein Homo sapiens 45-51 20308558-5 2010 Rab11, in its GTP-bound form, interacts with Rabin8 and kinetically stimulates the guanine nucleotide-exchange activity of Rabin8 toward Rab8. Guanine Nucleotides 83-101 RAB3A interacting protein Homo sapiens 123-129 20308558-5 2010 Rab11, in its GTP-bound form, interacts with Rabin8 and kinetically stimulates the guanine nucleotide-exchange activity of Rabin8 toward Rab8. Guanine Nucleotides 83-101 RAB8A, member RAS oncogene family Homo sapiens 137-141 20093398-3 2010 Here we show that treatment with brefeldin A, an inhibitor of guanine nucleotide exchange on ARFs, markedly attenuated the cell surface numbers of alpha(2B)-adrenergic receptor (AR), beta(2)-AR, angiotensin II type 1 receptor, and chemokine (CXC motif) receptor 4. Guanine Nucleotides 62-80 adrenoceptor alpha 2B Homo sapiens 147-176 20154091-0 2010 The connecdenn family, Rab35 guanine nucleotide exchange factors interfacing with the clathrin machinery. Guanine Nucleotides 29-47 RAB35, member RAS oncogene family Homo sapiens 23-28 20067447-9 2010 The characteristic morphology of focal adhesions in HSC-3 BRAK cells was perturbed by the introduction of an expression vector of the Rap-binding domain of the Ral guanine nucleotide dissociation stimulator, a target of Rap1, into HSC-3 BRAK cells, suggesting that Rap1 regulated the formation of the morphology of the focal adhesions. Guanine Nucleotides 164-182 chemokine (C-X-C motif) ligand 14 Mus musculus 58-62 20067447-9 2010 The characteristic morphology of focal adhesions in HSC-3 BRAK cells was perturbed by the introduction of an expression vector of the Rap-binding domain of the Ral guanine nucleotide dissociation stimulator, a target of Rap1, into HSC-3 BRAK cells, suggesting that Rap1 regulated the formation of the morphology of the focal adhesions. Guanine Nucleotides 164-182 v-ral simian leukemia viral oncogene A (ras related) Mus musculus 160-163 20067447-9 2010 The characteristic morphology of focal adhesions in HSC-3 BRAK cells was perturbed by the introduction of an expression vector of the Rap-binding domain of the Ral guanine nucleotide dissociation stimulator, a target of Rap1, into HSC-3 BRAK cells, suggesting that Rap1 regulated the formation of the morphology of the focal adhesions. Guanine Nucleotides 164-182 RAS-related protein 1a Mus musculus 220-224 20067447-9 2010 The characteristic morphology of focal adhesions in HSC-3 BRAK cells was perturbed by the introduction of an expression vector of the Rap-binding domain of the Ral guanine nucleotide dissociation stimulator, a target of Rap1, into HSC-3 BRAK cells, suggesting that Rap1 regulated the formation of the morphology of the focal adhesions. Guanine Nucleotides 164-182 chemokine (C-X-C motif) ligand 14 Mus musculus 237-241 20067447-9 2010 The characteristic morphology of focal adhesions in HSC-3 BRAK cells was perturbed by the introduction of an expression vector of the Rap-binding domain of the Ral guanine nucleotide dissociation stimulator, a target of Rap1, into HSC-3 BRAK cells, suggesting that Rap1 regulated the formation of the morphology of the focal adhesions. Guanine Nucleotides 164-182 RAS-related protein 1a Mus musculus 265-269 20093398-3 2010 Here we show that treatment with brefeldin A, an inhibitor of guanine nucleotide exchange on ARFs, markedly attenuated the cell surface numbers of alpha(2B)-adrenergic receptor (AR), beta(2)-AR, angiotensin II type 1 receptor, and chemokine (CXC motif) receptor 4. Guanine Nucleotides 62-80 adrenoceptor alpha 2B Homo sapiens 93-95 19995334-2 2010 The activity of Rho GTPases, such as Rac1, Cdc42, and RhoA, is regulated by GTPase-activating proteins (GAPs), guanine nucleotide exchange factors (GEFs), and guanine nucleotide dissociation inhibitor (GDI). Guanine Nucleotides 111-129 Rac family small GTPase 1 Mus musculus 37-41 19995334-2 2010 The activity of Rho GTPases, such as Rac1, Cdc42, and RhoA, is regulated by GTPase-activating proteins (GAPs), guanine nucleotide exchange factors (GEFs), and guanine nucleotide dissociation inhibitor (GDI). Guanine Nucleotides 111-129 cell division cycle 42 Mus musculus 43-48 19995334-2 2010 The activity of Rho GTPases, such as Rac1, Cdc42, and RhoA, is regulated by GTPase-activating proteins (GAPs), guanine nucleotide exchange factors (GEFs), and guanine nucleotide dissociation inhibitor (GDI). Guanine Nucleotides 111-129 ras homolog family member A Mus musculus 54-58 19995334-2 2010 The activity of Rho GTPases, such as Rac1, Cdc42, and RhoA, is regulated by GTPase-activating proteins (GAPs), guanine nucleotide exchange factors (GEFs), and guanine nucleotide dissociation inhibitor (GDI). Guanine Nucleotides 159-177 Rac family small GTPase 1 Mus musculus 37-41 19995334-2 2010 The activity of Rho GTPases, such as Rac1, Cdc42, and RhoA, is regulated by GTPase-activating proteins (GAPs), guanine nucleotide exchange factors (GEFs), and guanine nucleotide dissociation inhibitor (GDI). Guanine Nucleotides 159-177 cell division cycle 42 Mus musculus 43-48 19995334-2 2010 The activity of Rho GTPases, such as Rac1, Cdc42, and RhoA, is regulated by GTPase-activating proteins (GAPs), guanine nucleotide exchange factors (GEFs), and guanine nucleotide dissociation inhibitor (GDI). Guanine Nucleotides 159-177 ras homolog family member A Mus musculus 54-58 20018810-0 2010 Phosphatidylinositol 3,4,5-triphosphate-dependent Rac exchanger 1 (P-Rex-1), a guanine nucleotide exchange factor for Rac, mediates angiogenic responses to stromal cell-derived factor-1/chemokine stromal cell derived factor-1 (SDF-1/CXCL-12) linked to Rac activation, endothelial cell migration, and in vitro angiogenesis. Guanine Nucleotides 79-97 phosphatidylinositol-3,4,5-trisphosphate dependent Rac exchange factor 1 Homo sapiens 0-65 20339559-1 2010 BACKGROUND: ALS2/alsin is a guanine nucleotide exchange factor for the small GTPase Rab5 and involved in macropinocytosis-associated endosome fusion and trafficking, and neurite outgrowth. Guanine Nucleotides 28-46 alsin Rho guanine nucleotide exchange factor Mus musculus 12-16 20339559-1 2010 BACKGROUND: ALS2/alsin is a guanine nucleotide exchange factor for the small GTPase Rab5 and involved in macropinocytosis-associated endosome fusion and trafficking, and neurite outgrowth. Guanine Nucleotides 28-46 alsin Rho guanine nucleotide exchange factor Mus musculus 17-22 20051517-7 2010 Interestingly, RAGs are unable to induce breaks when adenine or guanine nucleotides are present at single-strand regions. Guanine Nucleotides 64-83 ephrin A5 Homo sapiens 15-19 20209136-7 2010 Moreover, we show that C3G stimulates guanine nucleotide exchange on Drosophila Rap GTPases in vitro. Guanine Nucleotides 38-56 C3G guanyl-nucleotide exchange factor Drosophila melanogaster 23-26 20009023-1 2010 Potential insulin secretagogue properties of an acetoxymethyl ester of a cAMP analog (8-pCPT-2"-O-Me-cAMP-AM) that activates the guanine nucleotide exchange factors Epac1 and Epac2 were assessed using isolated human islets of Langerhans. Guanine Nucleotides 129-147 insulin Homo sapiens 10-17 20009023-1 2010 Potential insulin secretagogue properties of an acetoxymethyl ester of a cAMP analog (8-pCPT-2"-O-Me-cAMP-AM) that activates the guanine nucleotide exchange factors Epac1 and Epac2 were assessed using isolated human islets of Langerhans. Guanine Nucleotides 129-147 Rap guanine nucleotide exchange factor 3 Homo sapiens 165-170 20009023-1 2010 Potential insulin secretagogue properties of an acetoxymethyl ester of a cAMP analog (8-pCPT-2"-O-Me-cAMP-AM) that activates the guanine nucleotide exchange factors Epac1 and Epac2 were assessed using isolated human islets of Langerhans. Guanine Nucleotides 129-147 Rap guanine nucleotide exchange factor 4 Homo sapiens 175-180 20018810-0 2010 Phosphatidylinositol 3,4,5-triphosphate-dependent Rac exchanger 1 (P-Rex-1), a guanine nucleotide exchange factor for Rac, mediates angiogenic responses to stromal cell-derived factor-1/chemokine stromal cell derived factor-1 (SDF-1/CXCL-12) linked to Rac activation, endothelial cell migration, and in vitro angiogenesis. Guanine Nucleotides 79-97 phosphatidylinositol-3,4,5-trisphosphate dependent Rac exchange factor 1 Homo sapiens 67-74 20018810-0 2010 Phosphatidylinositol 3,4,5-triphosphate-dependent Rac exchanger 1 (P-Rex-1), a guanine nucleotide exchange factor for Rac, mediates angiogenic responses to stromal cell-derived factor-1/chemokine stromal cell derived factor-1 (SDF-1/CXCL-12) linked to Rac activation, endothelial cell migration, and in vitro angiogenesis. Guanine Nucleotides 79-97 AKT serine/threonine kinase 1 Homo sapiens 50-53 20018810-0 2010 Phosphatidylinositol 3,4,5-triphosphate-dependent Rac exchanger 1 (P-Rex-1), a guanine nucleotide exchange factor for Rac, mediates angiogenic responses to stromal cell-derived factor-1/chemokine stromal cell derived factor-1 (SDF-1/CXCL-12) linked to Rac activation, endothelial cell migration, and in vitro angiogenesis. Guanine Nucleotides 79-97 C-X-C motif chemokine ligand 12 Homo sapiens 156-185 20018810-0 2010 Phosphatidylinositol 3,4,5-triphosphate-dependent Rac exchanger 1 (P-Rex-1), a guanine nucleotide exchange factor for Rac, mediates angiogenic responses to stromal cell-derived factor-1/chemokine stromal cell derived factor-1 (SDF-1/CXCL-12) linked to Rac activation, endothelial cell migration, and in vitro angiogenesis. Guanine Nucleotides 79-97 C-X-C motif chemokine ligand 12 Homo sapiens 227-232 20018810-0 2010 Phosphatidylinositol 3,4,5-triphosphate-dependent Rac exchanger 1 (P-Rex-1), a guanine nucleotide exchange factor for Rac, mediates angiogenic responses to stromal cell-derived factor-1/chemokine stromal cell derived factor-1 (SDF-1/CXCL-12) linked to Rac activation, endothelial cell migration, and in vitro angiogenesis. Guanine Nucleotides 79-97 C-X-C motif chemokine ligand 12 Homo sapiens 233-240 20018810-0 2010 Phosphatidylinositol 3,4,5-triphosphate-dependent Rac exchanger 1 (P-Rex-1), a guanine nucleotide exchange factor for Rac, mediates angiogenic responses to stromal cell-derived factor-1/chemokine stromal cell derived factor-1 (SDF-1/CXCL-12) linked to Rac activation, endothelial cell migration, and in vitro angiogenesis. Guanine Nucleotides 79-97 AKT serine/threonine kinase 1 Homo sapiens 118-121 20018810-4 2010 We demonstrated previously that mammalian target of rapamycin, an important effector and regulator of PI3K/AKT, activates phosphatidylinositol 3,4,5-triphosphate-dependent Rac exchanger 1 (P-Rex1), a Rac guanine nucleotide exchange factor identified as a target of G betagamma and PI3K, via direct interactions. Guanine Nucleotides 204-222 mechanistic target of rapamycin kinase Homo sapiens 32-61 20018810-4 2010 We demonstrated previously that mammalian target of rapamycin, an important effector and regulator of PI3K/AKT, activates phosphatidylinositol 3,4,5-triphosphate-dependent Rac exchanger 1 (P-Rex1), a Rac guanine nucleotide exchange factor identified as a target of G betagamma and PI3K, via direct interactions. Guanine Nucleotides 204-222 AKT serine/threonine kinase 1 Homo sapiens 107-110 20018810-4 2010 We demonstrated previously that mammalian target of rapamycin, an important effector and regulator of PI3K/AKT, activates phosphatidylinositol 3,4,5-triphosphate-dependent Rac exchanger 1 (P-Rex1), a Rac guanine nucleotide exchange factor identified as a target of G betagamma and PI3K, via direct interactions. Guanine Nucleotides 204-222 phosphatidylinositol-3,4,5-trisphosphate dependent Rac exchange factor 1 Homo sapiens 122-187 20018810-4 2010 We demonstrated previously that mammalian target of rapamycin, an important effector and regulator of PI3K/AKT, activates phosphatidylinositol 3,4,5-triphosphate-dependent Rac exchanger 1 (P-Rex1), a Rac guanine nucleotide exchange factor identified as a target of G betagamma and PI3K, via direct interactions. Guanine Nucleotides 204-222 phosphatidylinositol-3,4,5-trisphosphate dependent Rac exchange factor 1 Homo sapiens 189-195 20018810-4 2010 We demonstrated previously that mammalian target of rapamycin, an important effector and regulator of PI3K/AKT, activates phosphatidylinositol 3,4,5-triphosphate-dependent Rac exchanger 1 (P-Rex1), a Rac guanine nucleotide exchange factor identified as a target of G betagamma and PI3K, via direct interactions. Guanine Nucleotides 204-222 AKT serine/threonine kinase 1 Homo sapiens 172-175 20025911-1 2010 RalGPS2 is a guanine nucleotide exchange factor for RalA GTPase characterized by a C-terminal Pleckstrin Homology (PH) domain; this GEF is endogenously expressed in PC12 cells and in rat brain but its role in PC12 cells and in cell differentiation is actually unknown. Guanine Nucleotides 13-31 Ral GEF with PH domain and SH3 binding motif 2 Rattus norvegicus 0-7 20025911-1 2010 RalGPS2 is a guanine nucleotide exchange factor for RalA GTPase characterized by a C-terminal Pleckstrin Homology (PH) domain; this GEF is endogenously expressed in PC12 cells and in rat brain but its role in PC12 cells and in cell differentiation is actually unknown. Guanine Nucleotides 13-31 RAS like proto-oncogene A Rattus norvegicus 52-56 20018869-0 2010 Real-time NMR study of guanine nucleotide exchange and activation of RhoA by PDZ-RhoGEF. Guanine Nucleotides 23-41 Rho guanine nucleotide exchange factor 11 Homo sapiens 77-87 19801577-3 2010 Here, we have shown that PROK1-PROKR1 induces the expression of IL-11 in PROKR1 Ishikawa cells and first trimester decidua via the calcium-calcineurin signalling pathway in a guanine nucleotide-binding protein (G(q/11)), extracellular signal-regulated kinases, Ca(2+) and calcineurin-nuclear factor of activated T cells dependent manner. Guanine Nucleotides 175-193 prokineticin 1 Homo sapiens 25-30 19801577-3 2010 Here, we have shown that PROK1-PROKR1 induces the expression of IL-11 in PROKR1 Ishikawa cells and first trimester decidua via the calcium-calcineurin signalling pathway in a guanine nucleotide-binding protein (G(q/11)), extracellular signal-regulated kinases, Ca(2+) and calcineurin-nuclear factor of activated T cells dependent manner. Guanine Nucleotides 175-193 prokineticin receptor 1 Homo sapiens 31-37 19801577-3 2010 Here, we have shown that PROK1-PROKR1 induces the expression of IL-11 in PROKR1 Ishikawa cells and first trimester decidua via the calcium-calcineurin signalling pathway in a guanine nucleotide-binding protein (G(q/11)), extracellular signal-regulated kinases, Ca(2+) and calcineurin-nuclear factor of activated T cells dependent manner. Guanine Nucleotides 175-193 interleukin 11 Homo sapiens 64-69 19801577-3 2010 Here, we have shown that PROK1-PROKR1 induces the expression of IL-11 in PROKR1 Ishikawa cells and first trimester decidua via the calcium-calcineurin signalling pathway in a guanine nucleotide-binding protein (G(q/11)), extracellular signal-regulated kinases, Ca(2+) and calcineurin-nuclear factor of activated T cells dependent manner. Guanine Nucleotides 175-193 prokineticin receptor 1 Homo sapiens 73-79 19855995-2 2010 Epac family, including Epac1 and Epac2, are guanine nucleotide exchange factors for the Ras-like small GTPases Rap1 and Rap2 and function independently of protein kinase A. Guanine Nucleotides 44-62 Rap guanine nucleotide exchange factor 3 Homo sapiens 0-4 19855995-2 2010 Epac family, including Epac1 and Epac2, are guanine nucleotide exchange factors for the Ras-like small GTPases Rap1 and Rap2 and function independently of protein kinase A. Guanine Nucleotides 44-62 Rap guanine nucleotide exchange factor 3 Homo sapiens 23-28 19855995-2 2010 Epac family, including Epac1 and Epac2, are guanine nucleotide exchange factors for the Ras-like small GTPases Rap1 and Rap2 and function independently of protein kinase A. Guanine Nucleotides 44-62 Rap guanine nucleotide exchange factor 4 Homo sapiens 33-38 19855995-2 2010 Epac family, including Epac1 and Epac2, are guanine nucleotide exchange factors for the Ras-like small GTPases Rap1 and Rap2 and function independently of protein kinase A. Guanine Nucleotides 44-62 RAP1A, member of RAS oncogene family Homo sapiens 111-115 19855995-2 2010 Epac family, including Epac1 and Epac2, are guanine nucleotide exchange factors for the Ras-like small GTPases Rap1 and Rap2 and function independently of protein kinase A. Guanine Nucleotides 44-62 RAP2A, member of RAS oncogene family Homo sapiens 120-124 20018863-7 2010 Guanine nucleotide exchange factor-catalyzed nucleotide exchange for both H-Ras and RhoA was inhibited by mant-substituted nucleotides, and the degree of inhibition depends highly on the GTPase and whether the assay measures association of mantGTP with, or dissociation of mantGDP from the GTPase. Guanine Nucleotides 0-18 HRas proto-oncogene, GTPase Homo sapiens 74-79 20018863-7 2010 Guanine nucleotide exchange factor-catalyzed nucleotide exchange for both H-Ras and RhoA was inhibited by mant-substituted nucleotides, and the degree of inhibition depends highly on the GTPase and whether the assay measures association of mantGTP with, or dissociation of mantGDP from the GTPase. Guanine Nucleotides 0-18 ras homolog family member A Homo sapiens 84-88 20140222-3 2010 METHODOLOGY/PRINCIPAL FINDINGS: Here we demonstrate that deficiency of Vav2 and Vav3, guanine nucleotides exchange factors for Rho guanosine triphosphatases, leads to an ocular phenotype similar to human glaucoma. Guanine Nucleotides 86-105 vav guanine nucleotide exchange factor 2 Homo sapiens 71-75 20140222-3 2010 METHODOLOGY/PRINCIPAL FINDINGS: Here we demonstrate that deficiency of Vav2 and Vav3, guanine nucleotides exchange factors for Rho guanosine triphosphatases, leads to an ocular phenotype similar to human glaucoma. Guanine Nucleotides 86-105 vav guanine nucleotide exchange factor 3 Homo sapiens 80-84 20237902-2 2010 Dock180 was well known for the main target of signal adaptor protein Crk and acted as a guanine-nucleotide exchange factor for small GTPase Rac1. Guanine Nucleotides 88-106 dedicator of cytokinesis 1 Homo sapiens 0-7 19893486-1 2010 Tiam1 and Tiam2 (Tiam1/2) are guanine nucleotide-exchange factors that possess the PH-CC-Ex (pleckstrin homology, coiled coil and extra) region that mediates binding to plasma membranes and signalling proteins in the activation of Rac GTPases. Guanine Nucleotides 30-48 TIAM Rac1 associated GEF 1 Homo sapiens 0-5 19893486-1 2010 Tiam1 and Tiam2 (Tiam1/2) are guanine nucleotide-exchange factors that possess the PH-CC-Ex (pleckstrin homology, coiled coil and extra) region that mediates binding to plasma membranes and signalling proteins in the activation of Rac GTPases. Guanine Nucleotides 30-48 TIAM Rac1 associated GEF 2 Homo sapiens 10-15 19893486-1 2010 Tiam1 and Tiam2 (Tiam1/2) are guanine nucleotide-exchange factors that possess the PH-CC-Ex (pleckstrin homology, coiled coil and extra) region that mediates binding to plasma membranes and signalling proteins in the activation of Rac GTPases. Guanine Nucleotides 30-48 TIAM Rac1 associated GEF 2 Homo sapiens 17-24 19912228-4 2010 The identification of the cAMP-activated guanine nucleotide exchange factors for Ras-like GTPases, Epac1 (also known as cAMP-GEF-I) and Epac2 (also known as cAMP-GEF-II), profoundly altered the prevailing assumptions concerning cAMP signalling, which until then had been solely associated with protein kinase A (PKA). Guanine Nucleotides 41-59 Rap guanine nucleotide exchange factor 3 Homo sapiens 99-104 19912228-4 2010 The identification of the cAMP-activated guanine nucleotide exchange factors for Ras-like GTPases, Epac1 (also known as cAMP-GEF-I) and Epac2 (also known as cAMP-GEF-II), profoundly altered the prevailing assumptions concerning cAMP signalling, which until then had been solely associated with protein kinase A (PKA). Guanine Nucleotides 41-59 Rap guanine nucleotide exchange factor 3 Homo sapiens 120-130 19912228-4 2010 The identification of the cAMP-activated guanine nucleotide exchange factors for Ras-like GTPases, Epac1 (also known as cAMP-GEF-I) and Epac2 (also known as cAMP-GEF-II), profoundly altered the prevailing assumptions concerning cAMP signalling, which until then had been solely associated with protein kinase A (PKA). Guanine Nucleotides 41-59 Rap guanine nucleotide exchange factor 4 Homo sapiens 136-141 19890090-1 2010 Glucose-stimulated insulin secretion from the islet beta-cell involves a sequence of metabolic events and an interplay between a wide range of signaling pathways leading to the generation of second messengers (e.g., cyclic nucleotides, adenine and guanine nucleotides, soluble lipid messengers) and mobilization of calcium ions. Guanine Nucleotides 248-267 insulin Homo sapiens 19-26 19942850-1 2010 GDP-bound prenylated Rabs, sequestered by GDI (GDP dissociation inhibitor) in the cytosol, are delivered to destined sub-cellular compartment and subsequently activated by GEFs (guanine nucleotide exchange factors) catalysing GDP-to-GTP exchange. Guanine Nucleotides 178-196 RAB1A, member RAS oncogene family Homo sapiens 21-25 20055708-3 2010 Epac1 and Epac2 function as guanine nucleotide exchange factors for the small G protein Rap. Guanine Nucleotides 28-46 Rap guanine nucleotide exchange factor 3 Homo sapiens 0-5 20055708-3 2010 Epac1 and Epac2 function as guanine nucleotide exchange factors for the small G protein Rap. Guanine Nucleotides 28-46 Rap guanine nucleotide exchange factor 4 Homo sapiens 10-15 20055708-3 2010 Epac1 and Epac2 function as guanine nucleotide exchange factors for the small G protein Rap. Guanine Nucleotides 28-46 LDL receptor related protein associated protein 1 Homo sapiens 88-91 20672983-10 2010 Among the confirmed JH III up-regulated genes were two loci of unknown function (FBgn0040887 and FBgn0037057) and Epac, an exchange protein directly activated by cyclic AMP, a guanine nucleotide exchange factor for Rap1 small GTPase. Guanine Nucleotides 176-194 Exchange protein directly activated by cAMP Drosophila melanogaster 114-118 20237902-2 2010 Dock180 was well known for the main target of signal adaptor protein Crk and acted as a guanine-nucleotide exchange factor for small GTPase Rac1. Guanine Nucleotides 88-106 CRK proto-oncogene, adaptor protein Homo sapiens 69-72 20237902-2 2010 Dock180 was well known for the main target of signal adaptor protein Crk and acted as a guanine-nucleotide exchange factor for small GTPase Rac1. Guanine Nucleotides 88-106 Rac family small GTPase 1 Homo sapiens 140-144 20059952-3 2009 Rdi1, a guanine nucleotide dissociation inhibitor (GDI), mediates a fast recycling pathway, while actin patch-mediated endocytosis accounts for a slower one. Guanine Nucleotides 8-26 Rdi1p Saccharomyces cerevisiae S288C 0-4 19933863-6 2009 Regarding the mechanism for this effect, we found that STAP-2 associates with Vav1, the guanine-nucleotide exchanging factor for Rac1, and enhances downstream Vav1/Rac1 signaling. Guanine Nucleotides 88-106 signal transducing adaptor family member 2 Homo sapiens 55-61 19933863-6 2009 Regarding the mechanism for this effect, we found that STAP-2 associates with Vav1, the guanine-nucleotide exchanging factor for Rac1, and enhances downstream Vav1/Rac1 signaling. Guanine Nucleotides 88-106 vav guanine nucleotide exchange factor 1 Homo sapiens 78-82 19933863-6 2009 Regarding the mechanism for this effect, we found that STAP-2 associates with Vav1, the guanine-nucleotide exchanging factor for Rac1, and enhances downstream Vav1/Rac1 signaling. Guanine Nucleotides 88-106 Rac family small GTPase 1 Homo sapiens 129-133 19810816-1 2009 Inosine 5"-monophosphate dehydrogenase (IMPDH), which catalyzes a key step in the de novo biosynthesis of guanine nucleotide, is mediated by two highly conserved isoforms, IMPDH1 and IMPDH2. Guanine Nucleotides 106-124 inosine monophosphate dehydrogenase 1 Homo sapiens 172-178 19810816-1 2009 Inosine 5"-monophosphate dehydrogenase (IMPDH), which catalyzes a key step in the de novo biosynthesis of guanine nucleotide, is mediated by two highly conserved isoforms, IMPDH1 and IMPDH2. Guanine Nucleotides 106-124 inosine monophosphate dehydrogenase 2 Homo sapiens 183-189 19617897-3 2009 Here we show that epithelial cell transforming sequence 2 (Ect2), a guanine nucleotide exchange factor for Rho family GTPases, is coordinately amplified and overexpressed with PKCiota in NSCLC tumors. Guanine Nucleotides 68-86 epithelial cell transforming 2 Homo sapiens 18-57 19703944-2 2009 Hence, we analysed the effects of detergents on guanine nucleotide exchange reactions of Galpha(i1). Guanine Nucleotides 48-66 protein phosphatase 1 regulatory inhibitor subunit 1A Homo sapiens 89-98 19703944-6 2009 These results demonstrate that the guanine nucleotide exchange reactions of Galpha(i1) are drastically modulated by detergents differently depending on the type and the state (monomeric or micellar) of the detergents and that dissociation of GDP from Galpha(i1) does not necessarily lead to immediate binding of GTP to Galpha(i1) in some cases. Guanine Nucleotides 35-53 protein phosphatase 1 regulatory inhibitor subunit 1A Homo sapiens 76-85 19703944-6 2009 These results demonstrate that the guanine nucleotide exchange reactions of Galpha(i1) are drastically modulated by detergents differently depending on the type and the state (monomeric or micellar) of the detergents and that dissociation of GDP from Galpha(i1) does not necessarily lead to immediate binding of GTP to Galpha(i1) in some cases. Guanine Nucleotides 35-53 protein phosphatase 1 regulatory inhibitor subunit 1A Homo sapiens 251-260 19703944-6 2009 These results demonstrate that the guanine nucleotide exchange reactions of Galpha(i1) are drastically modulated by detergents differently depending on the type and the state (monomeric or micellar) of the detergents and that dissociation of GDP from Galpha(i1) does not necessarily lead to immediate binding of GTP to Galpha(i1) in some cases. Guanine Nucleotides 35-53 protein phosphatase 1 regulatory inhibitor subunit 1A Homo sapiens 251-260 19956392-4 2009 Previously, we examined a gene expression array database comparing human gliomas to nonneoplastic controls and identified several Rac guanine nucleotide exchange factors with differential expression. Guanine Nucleotides 134-152 AKT serine/threonine kinase 1 Homo sapiens 130-133 19702438-0 2009 Pharmacological activation of guanine nucleotide exchange factors for the small GTPase Rap1 recruits high-affinity beta1 integrins as coreceptors for parvovirus B19: improved ex vivo gene transfer to human erythroid progenitor cells. Guanine Nucleotides 30-48 RAP1A, member of RAS oncogene family Homo sapiens 87-91 19915062-1 2009 SWAP-70-like adapter of T cells (SLAT; also known as Def6) is a novel guanine nucleotide exchange factor for Rho GTPases that has been previously shown to play a role in CD4+ T cell activation and Th1/Th2 differentiation. Guanine Nucleotides 70-88 differentially expressed in FDCP 6 Mus musculus 33-37 19915062-1 2009 SWAP-70-like adapter of T cells (SLAT; also known as Def6) is a novel guanine nucleotide exchange factor for Rho GTPases that has been previously shown to play a role in CD4+ T cell activation and Th1/Th2 differentiation. Guanine Nucleotides 70-88 differentially expressed in FDCP 6 Mus musculus 53-57 19915062-1 2009 SWAP-70-like adapter of T cells (SLAT; also known as Def6) is a novel guanine nucleotide exchange factor for Rho GTPases that has been previously shown to play a role in CD4+ T cell activation and Th1/Th2 differentiation. Guanine Nucleotides 70-88 negative elongation factor complex member C/D, Th1l Mus musculus 197-200 19915062-1 2009 SWAP-70-like adapter of T cells (SLAT; also known as Def6) is a novel guanine nucleotide exchange factor for Rho GTPases that has been previously shown to play a role in CD4+ T cell activation and Th1/Th2 differentiation. Guanine Nucleotides 70-88 heart and neural crest derivatives expressed 2 Mus musculus 201-204 19915593-5 2009 In contrast, stimulation of extrasynaptic NMDARs increases the vulnerability of mtHtt-containing neurons to cell death by impairing the neuroprotective cyclic AMP response element-binding protein (CREB)-peroxisome proliferator-activated receptor-gamma coactivator-1alpha (PGC-1alpha) cascade and increasing the level of the small guanine nucleotide-binding protein Rhes, which is known to sumoylate and disaggregate mtHtt. Guanine Nucleotides 330-348 cAMP responsive element binding protein 1 Mus musculus 152-195 19915593-5 2009 In contrast, stimulation of extrasynaptic NMDARs increases the vulnerability of mtHtt-containing neurons to cell death by impairing the neuroprotective cyclic AMP response element-binding protein (CREB)-peroxisome proliferator-activated receptor-gamma coactivator-1alpha (PGC-1alpha) cascade and increasing the level of the small guanine nucleotide-binding protein Rhes, which is known to sumoylate and disaggregate mtHtt. Guanine Nucleotides 330-348 cAMP responsive element binding protein 1 Mus musculus 197-201 19915593-5 2009 In contrast, stimulation of extrasynaptic NMDARs increases the vulnerability of mtHtt-containing neurons to cell death by impairing the neuroprotective cyclic AMP response element-binding protein (CREB)-peroxisome proliferator-activated receptor-gamma coactivator-1alpha (PGC-1alpha) cascade and increasing the level of the small guanine nucleotide-binding protein Rhes, which is known to sumoylate and disaggregate mtHtt. Guanine Nucleotides 330-348 peroxisome proliferative activated receptor, gamma, coactivator 1 alpha Mus musculus 203-270 19567266-2 2009 The Ras-like G-proteins Ras, Rap and Ral are regulated by a variety of guanine nucleotide exchange factors that are characterized by a CDC25 homology domain. Guanine Nucleotides 71-89 LDL receptor related protein associated protein 1 Homo sapiens 29-32 19567266-2 2009 The Ras-like G-proteins Ras, Rap and Ral are regulated by a variety of guanine nucleotide exchange factors that are characterized by a CDC25 homology domain. Guanine Nucleotides 71-89 RAS like proto-oncogene A Homo sapiens 37-40 19567266-2 2009 The Ras-like G-proteins Ras, Rap and Ral are regulated by a variety of guanine nucleotide exchange factors that are characterized by a CDC25 homology domain. Guanine Nucleotides 71-89 cell division cycle 25C Homo sapiens 135-140 19826089-3 2009 We have recently reported reconstituted membrane fusion that requires yeast vacuolar SNAREs, lipids, and the homotypic fusion and vacuole protein sorting (HOPS)/class C Vps complex, an effector and guanine nucleotide exchange factor for the yeast vacuolar Rab GTPase Ypt7p. Guanine Nucleotides 198-216 Rab family GTPase YPT7 Saccharomyces cerevisiae S288C 267-272 19617897-3 2009 Here we show that epithelial cell transforming sequence 2 (Ect2), a guanine nucleotide exchange factor for Rho family GTPases, is coordinately amplified and overexpressed with PKCiota in NSCLC tumors. Guanine Nucleotides 68-86 epithelial cell transforming 2 Homo sapiens 59-63 19617897-3 2009 Here we show that epithelial cell transforming sequence 2 (Ect2), a guanine nucleotide exchange factor for Rho family GTPases, is coordinately amplified and overexpressed with PKCiota in NSCLC tumors. Guanine Nucleotides 68-86 protein kinase C iota Homo sapiens 176-183 19635461-1 2009 RA-GEF-1 is a guanine nucleotide exchange factor for the small GTPase Rap1. Guanine Nucleotides 14-32 Rap guanine nucleotide exchange factor (GEF) 2 Mus musculus 0-8 19635461-1 2009 RA-GEF-1 is a guanine nucleotide exchange factor for the small GTPase Rap1. Guanine Nucleotides 14-32 RAS-related protein 1a Mus musculus 70-74 19654316-7 2009 In contrast, cytoplasmic p27(kip1) has been demonstrated to bind GDP-RhoA and inhibit GDP-GTP exchange mediated by guanine nucleotide exchange factors. Guanine Nucleotides 115-133 cyclin dependent kinase inhibitor 1B Homo sapiens 25-33 19631657-2 2009 Under stressed conditions, guanine-nucleotide exchange is strongly inhibited by the tight binding of phosphorylated eIF2 to eIF2B. Guanine Nucleotides 27-45 eukaryotic translation initiation factor 2 subunit beta Homo sapiens 116-120 19669794-0 2009 Large Arf1 guanine nucleotide exchange factors: evolution, domain structure, and roles in membrane trafficking and human disease. Guanine Nucleotides 11-29 ADP ribosylation factor 1 Homo sapiens 6-10 19631657-2 2009 Under stressed conditions, guanine-nucleotide exchange is strongly inhibited by the tight binding of phosphorylated eIF2 to eIF2B. Guanine Nucleotides 27-45 eukaryotic translation initiation factor 2B subunit alpha Homo sapiens 124-129 19692568-1 2009 RasGRF family guanine nucleotide exchange factors (GEFs) promote guanosine diphosphate (GDP)/guanosine triphosphate (GTP) exchange on several Ras GTPases, including H-Ras and TC21. Guanine Nucleotides 14-32 Ras protein specific guanine nucleotide releasing factor 1 Homo sapiens 0-6 19670212-1 2009 The DH-PH domain tandems of Dbl-homology guanine nucleotide exchange factors catalyze the exchange of GTP for GDP in Rho-family GTPases, and thus initiate a wide variety of cellular signaling cascades. Guanine Nucleotides 41-59 MCF.2 cell line derived transforming sequence Homo sapiens 28-31 19692568-1 2009 RasGRF family guanine nucleotide exchange factors (GEFs) promote guanosine diphosphate (GDP)/guanosine triphosphate (GTP) exchange on several Ras GTPases, including H-Ras and TC21. Guanine Nucleotides 14-32 RAS related 2 Homo sapiens 175-179 19748348-2 2009 identify Vam6/Vps39 as a guanine nucleotide exchange factor for Gtr1, a Rag family GTPase, to promote TORC1 activation in response to amino acids. Guanine Nucleotides 25-43 VPS39 subunit of HOPS complex Homo sapiens 9-13 19765287-2 2009 The activity of Ran is determined by both its guanine nucleotide-bound state and its subcellular localization. Guanine Nucleotides 46-64 RAN, member RAS oncogene family Homo sapiens 16-19 19546222-3 2009 The relevant cAMP target is Epac, a guanine nucleotide exchange factor for the small GTPase Rap. Guanine Nucleotides 36-54 cathelicidin antimicrobial peptide Homo sapiens 13-17 19546222-3 2009 The relevant cAMP target is Epac, a guanine nucleotide exchange factor for the small GTPase Rap. Guanine Nucleotides 36-54 Rap guanine nucleotide exchange factor 3 Homo sapiens 28-32 19546222-3 2009 The relevant cAMP target is Epac, a guanine nucleotide exchange factor for the small GTPase Rap. Guanine Nucleotides 36-54 LDL receptor related protein associated protein 1 Homo sapiens 92-95 19748348-2 2009 identify Vam6/Vps39 as a guanine nucleotide exchange factor for Gtr1, a Rag family GTPase, to promote TORC1 activation in response to amino acids. Guanine Nucleotides 25-43 VPS39 subunit of HOPS complex Homo sapiens 14-19 19748348-2 2009 identify Vam6/Vps39 as a guanine nucleotide exchange factor for Gtr1, a Rag family GTPase, to promote TORC1 activation in response to amino acids. Guanine Nucleotides 25-43 CREB regulated transcription coactivator 1 Homo sapiens 102-107 19672294-0 2009 Vav links the T cell antigen receptor to the actin cytoskeleton and T cell activation independently of intrinsic Guanine nucleotide exchange activity. Guanine Nucleotides 113-131 vav guanine nucleotide exchange factor 1 Homo sapiens 0-3 19586902-1 2009 Net1 is a nuclear Rho guanine nucleotide exchange factor that is specific for the RhoA subfamily of small G proteins. Guanine Nucleotides 22-40 neuroepithelial cell transforming 1 Homo sapiens 0-4 19586902-1 2009 Net1 is a nuclear Rho guanine nucleotide exchange factor that is specific for the RhoA subfamily of small G proteins. Guanine Nucleotides 22-40 ras homolog family member A Homo sapiens 82-86 19210747-5 2009 EPACs are specific guanine nucleotide exchange factors for the Ras GTPase homologues, Rap1 and Rap2, which they activate independently of the classical routes for cAMP signalling, cyclic nucleotide-gated ion channels and protein kinase A. Guanine Nucleotides 19-37 RAP1A, member of RAS oncogene family Homo sapiens 86-90 19210747-5 2009 EPACs are specific guanine nucleotide exchange factors for the Ras GTPase homologues, Rap1 and Rap2, which they activate independently of the classical routes for cAMP signalling, cyclic nucleotide-gated ion channels and protein kinase A. Guanine Nucleotides 19-37 RAP2A, member of RAS oncogene family Homo sapiens 95-99 19525225-4 2009 APC interacts with Asef and Asef2, Rac1- and Cdc42-specific guanine nucleotide exchange factors (GEFs), and stimulates their GEF activity; thereby regulating cell morphology, adhesion, and migration. Guanine Nucleotides 60-78 Rho guanine nucleotide exchange factor 4 Homo sapiens 19-23 19525225-4 2009 APC interacts with Asef and Asef2, Rac1- and Cdc42-specific guanine nucleotide exchange factors (GEFs), and stimulates their GEF activity; thereby regulating cell morphology, adhesion, and migration. Guanine Nucleotides 60-78 spermatogenesis associated 13 Homo sapiens 28-33 19525225-4 2009 APC interacts with Asef and Asef2, Rac1- and Cdc42-specific guanine nucleotide exchange factors (GEFs), and stimulates their GEF activity; thereby regulating cell morphology, adhesion, and migration. Guanine Nucleotides 60-78 Rac family small GTPase 1 Homo sapiens 35-39 19525225-4 2009 APC interacts with Asef and Asef2, Rac1- and Cdc42-specific guanine nucleotide exchange factors (GEFs), and stimulates their GEF activity; thereby regulating cell morphology, adhesion, and migration. Guanine Nucleotides 60-78 cell division cycle 42 Homo sapiens 45-50 19570034-3 2009 In the present study, two potential effectors of Rab10, GDI (guanine-nucleotide-dissociation inhibitor)-1 and GDI-2, are characterized in respect to their roles in insulin-stimulated GLUT4 translocation. Guanine Nucleotides 61-79 RAB10, member RAS oncogene family Homo sapiens 49-54 19570034-3 2009 In the present study, two potential effectors of Rab10, GDI (guanine-nucleotide-dissociation inhibitor)-1 and GDI-2, are characterized in respect to their roles in insulin-stimulated GLUT4 translocation. Guanine Nucleotides 61-79 insulin Homo sapiens 164-171 19570034-3 2009 In the present study, two potential effectors of Rab10, GDI (guanine-nucleotide-dissociation inhibitor)-1 and GDI-2, are characterized in respect to their roles in insulin-stimulated GLUT4 translocation. Guanine Nucleotides 61-79 solute carrier family 2 member 4 Homo sapiens 183-188 19651892-4 2009 The TGN targeting of mDpy-30 is mediated by BIG1, a TGN-localized guanine nucleotide exchange factor for adenosine diphosphate ribosylation factor GTPases. Guanine Nucleotides 66-84 dpy-30, histone methyltransferase complex regulatory subunit Mus musculus 21-28 19651892-4 2009 The TGN targeting of mDpy-30 is mediated by BIG1, a TGN-localized guanine nucleotide exchange factor for adenosine diphosphate ribosylation factor GTPases. Guanine Nucleotides 66-84 ADP ribosylation factor guanine nucleotide exchange factor 1 Homo sapiens 44-48 19422395-1 2009 The G12 subfamily of heterotrimeric guanine nucleotide-binding proteins consists of two alpha subunits, G alpha12 and G alpha13. Guanine Nucleotides 36-54 G protein subunit alpha 12 Homo sapiens 104-113 19422395-1 2009 The G12 subfamily of heterotrimeric guanine nucleotide-binding proteins consists of two alpha subunits, G alpha12 and G alpha13. Guanine Nucleotides 36-54 G protein subunit alpha 13 Homo sapiens 118-127 19570914-1 2009 G protein-coupled receptors (GPCRs) transduce their signals through trimeric G proteins, inducing guanine nucleotide exchange on their Galpha-subunits; the resulting Galpha-GTP transmits the signal further inside the cell. Guanine Nucleotides 98-116 G protein alpha q subunit Drosophila melanogaster 135-141 19570914-1 2009 G protein-coupled receptors (GPCRs) transduce their signals through trimeric G proteins, inducing guanine nucleotide exchange on their Galpha-subunits; the resulting Galpha-GTP transmits the signal further inside the cell. Guanine Nucleotides 98-116 G protein alpha q subunit Drosophila melanogaster 166-172 19668330-0 2009 Multisite phosphorylation of the guanine nucleotide exchange factor Cdc24 during yeast cell polarization. Guanine Nucleotides 33-51 Rho family guanine nucleotide exchange factor CDC24 Saccharomyces cerevisiae S288C 68-73 19672294-2 2009 The Vav family of guanine nucleotide exchange factors (GEF) has been implicated in generation of TCR signals and immune synapse formation, however, it is currently not known if Vav"s GEF activity is required in T cell activation by the TCR in general, and in actin polymerization downstream of the TCR in particular. Guanine Nucleotides 18-36 vav guanine nucleotide exchange factor 1 Homo sapiens 4-7 19672294-2 2009 The Vav family of guanine nucleotide exchange factors (GEF) has been implicated in generation of TCR signals and immune synapse formation, however, it is currently not known if Vav"s GEF activity is required in T cell activation by the TCR in general, and in actin polymerization downstream of the TCR in particular. Guanine Nucleotides 18-36 T cell receptor beta variable 20/OR9-2 (non-functional) Homo sapiens 97-100 19429716-2 2009 Here, we demonstrate that the agonist occupied wild-type secretin receptor is predominantly in a guanine nucleotide-sensitive high-affinity state and exhibits negative cooperativity, whereas the monomeric receptor is primarily in a guanine nucleotide-insensitive lower affinity state. Guanine Nucleotides 97-115 secretin receptor Homo sapiens 57-74 19645719-0 2009 RasGEF1A and RasGEF1B are guanine nucleotide exchange factors that discriminate between Rap GTP-binding proteins and mediate Rap2-specific nucleotide exchange. Guanine Nucleotides 26-44 RasGEF domain family member 1A Homo sapiens 0-8 19645719-0 2009 RasGEF1A and RasGEF1B are guanine nucleotide exchange factors that discriminate between Rap GTP-binding proteins and mediate Rap2-specific nucleotide exchange. Guanine Nucleotides 26-44 RasGEF domain family member 1B Homo sapiens 13-21 19645719-0 2009 RasGEF1A and RasGEF1B are guanine nucleotide exchange factors that discriminate between Rap GTP-binding proteins and mediate Rap2-specific nucleotide exchange. Guanine Nucleotides 26-44 LDL receptor related protein associated protein 1 Homo sapiens 88-91 19645719-0 2009 RasGEF1A and RasGEF1B are guanine nucleotide exchange factors that discriminate between Rap GTP-binding proteins and mediate Rap2-specific nucleotide exchange. Guanine Nucleotides 26-44 RAP2A, member of RAS oncogene family Homo sapiens 125-129 19645726-6 2009 Coupling of the kappa opioid receptor with the G alpha subunit was demonstrated by changes in agonist affinity in the presence of guanine nucleotides and by agonist-induced increases in the rate of guanine nucleotide hydrolysis. Guanine Nucleotides 130-149 opioid receptor kappa 1 Homo sapiens 16-37 19645726-6 2009 Coupling of the kappa opioid receptor with the G alpha subunit was demonstrated by changes in agonist affinity in the presence of guanine nucleotides and by agonist-induced increases in the rate of guanine nucleotide hydrolysis. Guanine Nucleotides 130-148 opioid receptor kappa 1 Homo sapiens 16-37 19429716-2 2009 Here, we demonstrate that the agonist occupied wild-type secretin receptor is predominantly in a guanine nucleotide-sensitive high-affinity state and exhibits negative cooperativity, whereas the monomeric receptor is primarily in a guanine nucleotide-insensitive lower affinity state. Guanine Nucleotides 232-250 secretin receptor Homo sapiens 57-74 19635156-17 2009 CONCLUSION: The significant influence of MPA on IMPDH1 expression, possibly mediated through reduced guanine nucleotide levels, could explain the elevations of IMPDH activity within dosing intervals at week 13. Guanine Nucleotides 101-119 inosine monophosphate dehydrogenase 1 Homo sapiens 48-54 19458477-1 2009 DOCK180 is an atypical guanine nucleotide exchange factor of Rac1 identified originally as one of the two major proteins bound to the SH3 domain of the Crk adaptor protein. Guanine Nucleotides 23-41 dedicator of cytokinesis 1 Mus musculus 0-7 19458477-1 2009 DOCK180 is an atypical guanine nucleotide exchange factor of Rac1 identified originally as one of the two major proteins bound to the SH3 domain of the Crk adaptor protein. Guanine Nucleotides 23-41 Rac family small GTPase 1 Mus musculus 61-65 19458477-1 2009 DOCK180 is an atypical guanine nucleotide exchange factor of Rac1 identified originally as one of the two major proteins bound to the SH3 domain of the Crk adaptor protein. Guanine Nucleotides 23-41 v-crk avian sarcoma virus CT10 oncogene homolog Mus musculus 152-155 19470481-9 2009 In the absence of an agonist, the beta(2)AR and Gs can be trapped in a complex by enzymatic depletion of guanine nucleotides. Guanine Nucleotides 105-124 adrenoceptor beta 2 Homo sapiens 34-43 19568436-1 2009 Transglutaminase 2 (TG2) is a multifunctional enzyme that has guanine nucleotide binding and GTP hydrolyzing activity in addition to its transamidating function. Guanine Nucleotides 62-80 transglutaminase 2 Homo sapiens 0-18 19568436-1 2009 Transglutaminase 2 (TG2) is a multifunctional enzyme that has guanine nucleotide binding and GTP hydrolyzing activity in addition to its transamidating function. Guanine Nucleotides 62-80 transglutaminase 2 Homo sapiens 20-23 19564916-3 2009 In this study, we demonstrate a novel feedback loop in this Rho1-mediated Pkc1-MAPK pathway that involves regulation of Rom2, the guanine nucleotide exchange factor of Rho1, by Mpk1, the end kinase of the pathway. Guanine Nucleotides 130-148 Rho family GTPase RHO1 Saccharomyces cerevisiae S288C 60-64 19564916-3 2009 In this study, we demonstrate a novel feedback loop in this Rho1-mediated Pkc1-MAPK pathway that involves regulation of Rom2, the guanine nucleotide exchange factor of Rho1, by Mpk1, the end kinase of the pathway. Guanine Nucleotides 130-148 protein kinase C Saccharomyces cerevisiae S288C 74-78 19564916-3 2009 In this study, we demonstrate a novel feedback loop in this Rho1-mediated Pkc1-MAPK pathway that involves regulation of Rom2, the guanine nucleotide exchange factor of Rho1, by Mpk1, the end kinase of the pathway. Guanine Nucleotides 130-148 Rho family guanine nucleotide exchange factor ROM2 Saccharomyces cerevisiae S288C 120-124 19564916-3 2009 In this study, we demonstrate a novel feedback loop in this Rho1-mediated Pkc1-MAPK pathway that involves regulation of Rom2, the guanine nucleotide exchange factor of Rho1, by Mpk1, the end kinase of the pathway. Guanine Nucleotides 130-148 Rho family GTPase RHO1 Saccharomyces cerevisiae S288C 168-172 19564916-3 2009 In this study, we demonstrate a novel feedback loop in this Rho1-mediated Pkc1-MAPK pathway that involves regulation of Rom2, the guanine nucleotide exchange factor of Rho1, by Mpk1, the end kinase of the pathway. Guanine Nucleotides 130-148 mitogen-activated serine/threonine-protein kinase SLT2 Saccharomyces cerevisiae S288C 177-181 19146979-2 2009 GAP-43 is known to increase guanine nucleotide exchange by Galpha(o), which is a major component of neuronal growth cone membranes. Guanine Nucleotides 28-46 growth associated protein 43 Homo sapiens 0-6 19146979-2 2009 GAP-43 is known to increase guanine nucleotide exchange by Galpha(o), which is a major component of neuronal growth cone membranes. Guanine Nucleotides 28-46 G protein subunit alpha o1 Homo sapiens 59-68 19374031-1 2009 The yeast Ras-like small GTPases Gtr1p and Gtr2p form a heterodimer and interact genetically with Prp20p, a guanine nucleotide exchange factor for the GTPase Gsp1p. Guanine Nucleotides 108-126 Rag GTPase GTR1 Saccharomyces cerevisiae S288C 33-38 19361519-0 2009 Kinetic analysis of the guanine nucleotide exchange activity of TRAPP, a multimeric Ypt1p exchange factor. Guanine Nucleotides 24-42 RAB1A, member RAS oncogene family Homo sapiens 84-89 19361519-1 2009 TRAPP complexes, which are large multimeric assemblies that function in membrane traffic, are guanine nucleotide exchange factors (GEFs) that activate the Rab GTPase Ypt1p. Guanine Nucleotides 94-112 RAB1A, member RAS oncogene family Homo sapiens 166-171 19361519-2 2009 Here we measured rate and equilibrium constants that define the interaction of Ypt1p with guanine nucleotide (guanosine 5"-diphosphate and guanosine 5"-triphosphate/guanosine 5"-(beta,gamma-imido)triphosphate) and the core TRAPP subunits required for GEF activity. Guanine Nucleotides 90-108 RAB1A, member RAS oncogene family Homo sapiens 79-84 19361519-9 2009 These results illustrate a novel strategy of guanine nucleotide exchange by TRAPP that is particularly suited for a multifunctional GEF involved in membrane traffic. Guanine Nucleotides 45-63 Rho/Rac guanine nucleotide exchange factor 2 Homo sapiens 132-135 19498170-3 2009 We report that the small guanine nucleotide-binding protein Rhes, which is localized very selectively to the striatum, binds physiologically to mHtt. Guanine Nucleotides 25-43 RASD family member 2 Homo sapiens 60-64 19498170-3 2009 We report that the small guanine nucleotide-binding protein Rhes, which is localized very selectively to the striatum, binds physiologically to mHtt. Guanine Nucleotides 25-43 huntingtin Mus musculus 144-148 19116169-1 2009 The guanine nucleotide binding protein Rab8A controls the final steps of exocytosis in mammalian cells. Guanine Nucleotides 4-22 RAB8A, member RAS oncogene family Homo sapiens 39-44 19374031-1 2009 The yeast Ras-like small GTPases Gtr1p and Gtr2p form a heterodimer and interact genetically with Prp20p, a guanine nucleotide exchange factor for the GTPase Gsp1p. Guanine Nucleotides 108-126 Gtr2p Saccharomyces cerevisiae S288C 43-48 19374031-1 2009 The yeast Ras-like small GTPases Gtr1p and Gtr2p form a heterodimer and interact genetically with Prp20p, a guanine nucleotide exchange factor for the GTPase Gsp1p. Guanine Nucleotides 108-126 Ran guanyl-nucleotide exchange factor Saccharomyces cerevisiae S288C 98-104 19374031-1 2009 The yeast Ras-like small GTPases Gtr1p and Gtr2p form a heterodimer and interact genetically with Prp20p, a guanine nucleotide exchange factor for the GTPase Gsp1p. Guanine Nucleotides 108-126 Ran GTPase GSP1 Saccharomyces cerevisiae S288C 158-163 19409815-2 2009 Genetic inactivation of the guanine nucleotide-binding (G) protein alpha-subunits Galpha(12) and Galpha(13) resulted in an increased activity of integrin leukocyte-function-antigen-1 in murine CD4(+) T cells. Guanine Nucleotides 28-46 guanine nucleotide binding protein, alpha 12 Mus musculus 82-92 19409815-2 2009 Genetic inactivation of the guanine nucleotide-binding (G) protein alpha-subunits Galpha(12) and Galpha(13) resulted in an increased activity of integrin leukocyte-function-antigen-1 in murine CD4(+) T cells. Guanine Nucleotides 28-46 guanine nucleotide binding protein, alpha 13 Mus musculus 97-107 19301222-1 2009 The C825T single nucleotide polymorphism (SNP) in the guanine nucleotide-binding protein, beta polypeptide 3 ( GNB3) gene gives rise to a splice variant, GNB3s that has enhanced G protein activation and signal transduction activity. Guanine Nucleotides 54-72 G protein subunit beta 3 Homo sapiens 111-115 19301222-1 2009 The C825T single nucleotide polymorphism (SNP) in the guanine nucleotide-binding protein, beta polypeptide 3 ( GNB3) gene gives rise to a splice variant, GNB3s that has enhanced G protein activation and signal transduction activity. Guanine Nucleotides 54-72 G protein subunit beta 3 Homo sapiens 154-158 19435813-0 2009 Host deficiency in Vav2/3 guanine nucleotide exchange factors impairs tumor growth, survival, and angiogenesis in vivo. Guanine Nucleotides 26-44 vav guanine nucleotide exchange factor 2 Homo sapiens 19-23 19435813-1 2009 Vav guanine nucleotide exchange factors modulate changes in cytoskeletal organization through activation of Rho, Rac, and Cdc42 small GTPases. Guanine Nucleotides 4-22 vav guanine nucleotide exchange factor 1 Homo sapiens 0-3 19435813-1 2009 Vav guanine nucleotide exchange factors modulate changes in cytoskeletal organization through activation of Rho, Rac, and Cdc42 small GTPases. Guanine Nucleotides 4-22 cell division cycle 42 Homo sapiens 122-127 19088377-5 2009 Furthermore, we found a similar novel phenotype in the absence of Vav1, Vav2, and Vav3, which function as guanine nucleotide exchange factors for Rac1 and Rac2. Guanine Nucleotides 106-124 vav guanine nucleotide exchange factor 1 Homo sapiens 66-70 19091745-3 2009 Ras and Rap are regulated by different sets of guanine nucleotide exchange factors and GTPase-activating proteins, determining one level of specificity. Guanine Nucleotides 47-65 LDL receptor related protein associated protein 1 Homo sapiens 8-11 19088377-5 2009 Furthermore, we found a similar novel phenotype in the absence of Vav1, Vav2, and Vav3, which function as guanine nucleotide exchange factors for Rac1 and Rac2. Guanine Nucleotides 106-124 vav guanine nucleotide exchange factor 2 Homo sapiens 72-76 19088377-5 2009 Furthermore, we found a similar novel phenotype in the absence of Vav1, Vav2, and Vav3, which function as guanine nucleotide exchange factors for Rac1 and Rac2. Guanine Nucleotides 106-124 vav guanine nucleotide exchange factor 3 Homo sapiens 82-86 19088377-5 2009 Furthermore, we found a similar novel phenotype in the absence of Vav1, Vav2, and Vav3, which function as guanine nucleotide exchange factors for Rac1 and Rac2. Guanine Nucleotides 106-124 Rac family small GTPase 1 Homo sapiens 146-150 19088377-5 2009 Furthermore, we found a similar novel phenotype in the absence of Vav1, Vav2, and Vav3, which function as guanine nucleotide exchange factors for Rac1 and Rac2. Guanine Nucleotides 106-124 Rac family small GTPase 2 Homo sapiens 155-159 19339687-4 2009 During anaphase, the primary mechanism for recruiting Rho1 is binding to its guanine nucleotide exchange factors (GEFs). Guanine Nucleotides 77-95 Rho family GTPase RHO1 Saccharomyces cerevisiae S288C 54-58 19332778-0 2009 Interaction of phosphodiesterase 3A with brefeldin A-inhibited guanine nucleotide-exchange proteins BIG1 and BIG2 and effect on ARF1 activity. Guanine Nucleotides 63-81 ADP ribosylation factor guanine nucleotide exchange factor 1 Homo sapiens 100-104 19332778-0 2009 Interaction of phosphodiesterase 3A with brefeldin A-inhibited guanine nucleotide-exchange proteins BIG1 and BIG2 and effect on ARF1 activity. Guanine Nucleotides 63-81 ADP ribosylation factor guanine nucleotide exchange factor 2 Homo sapiens 109-113 19236846-3 2009 Here we show that BBS mutations alter the guanine nucleotide-binding properties of Arl6. Guanine Nucleotides 42-60 ADP ribosylation factor like GTPase 6 Homo sapiens 83-87 19196950-5 2009 cAMP-binding guanine nucleotide exchange factors (cAMP-GEFs) were selectively activated by using 4-(4-chloro-phenylthio)-2"-O-methyladenosine-3"-5"-cyclic monophosphate (CPT-2-Me-cAMP), which sequentially phosphorylated Src-TYK (within 1 min) followed by Akt (within 5 min). Guanine Nucleotides 13-31 carnitine palmitoyltransferase 2 Rattus norvegicus 170-175 19196950-5 2009 cAMP-binding guanine nucleotide exchange factors (cAMP-GEFs) were selectively activated by using 4-(4-chloro-phenylthio)-2"-O-methyladenosine-3"-5"-cyclic monophosphate (CPT-2-Me-cAMP), which sequentially phosphorylated Src-TYK (within 1 min) followed by Akt (within 5 min). Guanine Nucleotides 13-31 SRC proto-oncogene, non-receptor tyrosine kinase Rattus norvegicus 220-223 19196950-5 2009 cAMP-binding guanine nucleotide exchange factors (cAMP-GEFs) were selectively activated by using 4-(4-chloro-phenylthio)-2"-O-methyladenosine-3"-5"-cyclic monophosphate (CPT-2-Me-cAMP), which sequentially phosphorylated Src-TYK (within 1 min) followed by Akt (within 5 min). Guanine Nucleotides 13-31 AKT serine/threonine kinase 1 Rattus norvegicus 255-258 19318567-0 2009 Depletion of guanine nucleotides leads to the Mdm2-dependent proteasomal degradation of nucleostemin. Guanine Nucleotides 13-32 MDM2 proto-oncogene Homo sapiens 46-50 19318567-0 2009 Depletion of guanine nucleotides leads to the Mdm2-dependent proteasomal degradation of nucleostemin. Guanine Nucleotides 13-32 G protein nucleolar 3 Homo sapiens 88-100 19318567-3 2009 Selective depletion of intracellular guanine nucleotides by AVN-944, an inhibitor of the de novo purine synthetic enzyme, IMP dehydrogenase, leads to the rapid disappearance of nucleostemin protein in tumor cell lines, an effect that does not occur with two other nucleolar proteins, nucleophosmin or nucleolin. Guanine Nucleotides 37-56 G protein nucleolar 3 Homo sapiens 177-189 19318567-3 2009 Selective depletion of intracellular guanine nucleotides by AVN-944, an inhibitor of the de novo purine synthetic enzyme, IMP dehydrogenase, leads to the rapid disappearance of nucleostemin protein in tumor cell lines, an effect that does not occur with two other nucleolar proteins, nucleophosmin or nucleolin. Guanine Nucleotides 37-56 nucleophosmin 1 Homo sapiens 284-297 19318567-3 2009 Selective depletion of intracellular guanine nucleotides by AVN-944, an inhibitor of the de novo purine synthetic enzyme, IMP dehydrogenase, leads to the rapid disappearance of nucleostemin protein in tumor cell lines, an effect that does not occur with two other nucleolar proteins, nucleophosmin or nucleolin. Guanine Nucleotides 37-56 nucleolin Homo sapiens 301-310 19222191-11 2009 The 2.9 A resolution crystal structure of I56C/Q333C Galpha(i1) in complex with GDP-AlF(4)(-) reveals the shift of the alpha5 helix toward the guanine nucleotide binding site that is anticipated by EPR measurements. Guanine Nucleotides 143-161 nischarin Homo sapiens 53-62 19407150-5 2009 Proteomic analysis of the double-null teeth revealed increased levels of RhoGDI (Arhgdia), a Rho-family-specific guanine nucleotide dissociation inhibitor, which is involved in important cellular processes, such as cell attachment. Guanine Nucleotides 113-131 Rho GDP dissociation inhibitor (GDI) alpha Mus musculus 73-79 19407150-5 2009 Proteomic analysis of the double-null teeth revealed increased levels of RhoGDI (Arhgdia), a Rho-family-specific guanine nucleotide dissociation inhibitor, which is involved in important cellular processes, such as cell attachment. Guanine Nucleotides 113-131 Rho GDP dissociation inhibitor (GDI) alpha Mus musculus 81-88 19356586-1 2009 Cdc42, a member of the Ras superfamily of small guanine nucleotide binding proteins, plays an important role in regulating the actin cytoskeleton, intracellular trafficking, and cell polarity. Guanine Nucleotides 48-66 cell division cycle 42 Homo sapiens 0-5 19182796-4 2009 Furthermore, we found that the second SH3 domain of Grb4 is required and sufficient for axon pruning/retraction by mediating interactions with Dock180 and PAK to bring about guanine nucleotide exchange and signaling downstream of Rac, respectively. Guanine Nucleotides 174-192 non-catalytic region of tyrosine kinase adaptor protein 2 Mus musculus 52-56 19129481-2 2009 Here we report that MyoGEF, a guanine nucleotide exchange factor that localizes to the central spindle and cleavage furrow, interacts with centrosome/spindle pole-associated protein (CSPP), which is concentrated at the spindle pole and central spindle during mitosis and cytokinesis. Guanine Nucleotides 30-48 pleckstrin homology and RhoGEF domain containing G6 Homo sapiens 20-26 21392280-6 2009 The downregulated probe sets showing some of the highest fold changes corresponded to genes with roles in eye development, including those encoding gamma crystallins, the guanine nucleotide binding proteins Gnat1 and Gant2, a BarH-like homeodomain transcription factor, and rhodopsin. Guanine Nucleotides 171-189 rhodopsin Astyanax mexicanus 274-283 19225125-3 2009 Striking findings suggest that the guanine-nucleotide state of Ran can be regulated by local translation of the Ran-binding protein RanBP1 in axons, and that an additional Ran-binding protein, RanBP10, can act as a microtubule-binding cytoplasmic guanine-nucleotide exchange factor for Ran (RanGEF) in megakaryocytes. Guanine Nucleotides 35-53 RAN binding protein 1 Homo sapiens 132-138 19225125-3 2009 Striking findings suggest that the guanine-nucleotide state of Ran can be regulated by local translation of the Ran-binding protein RanBP1 in axons, and that an additional Ran-binding protein, RanBP10, can act as a microtubule-binding cytoplasmic guanine-nucleotide exchange factor for Ran (RanGEF) in megakaryocytes. Guanine Nucleotides 35-53 RAN binding protein 10 Homo sapiens 193-200 19225125-3 2009 Striking findings suggest that the guanine-nucleotide state of Ran can be regulated by local translation of the Ran-binding protein RanBP1 in axons, and that an additional Ran-binding protein, RanBP10, can act as a microtubule-binding cytoplasmic guanine-nucleotide exchange factor for Ran (RanGEF) in megakaryocytes. Guanine Nucleotides 247-265 RAN binding protein 10 Homo sapiens 193-200 19129481-2 2009 Here we report that MyoGEF, a guanine nucleotide exchange factor that localizes to the central spindle and cleavage furrow, interacts with centrosome/spindle pole-associated protein (CSPP), which is concentrated at the spindle pole and central spindle during mitosis and cytokinesis. Guanine Nucleotides 30-48 centrosome and spindle pole associated protein 1 Homo sapiens 139-181 19129481-2 2009 Here we report that MyoGEF, a guanine nucleotide exchange factor that localizes to the central spindle and cleavage furrow, interacts with centrosome/spindle pole-associated protein (CSPP), which is concentrated at the spindle pole and central spindle during mitosis and cytokinesis. Guanine Nucleotides 30-48 centrosome and spindle pole associated protein 1 Homo sapiens 183-187 19182796-4 2009 Furthermore, we found that the second SH3 domain of Grb4 is required and sufficient for axon pruning/retraction by mediating interactions with Dock180 and PAK to bring about guanine nucleotide exchange and signaling downstream of Rac, respectively. Guanine Nucleotides 174-192 dedicator of cytokinesis 1 Mus musculus 143-150 19149542-6 2009 NPR-C lacking the guanyl cyclase domain may influence the target cell function through inhibitory guanine nucleotide (Gi) protein, and they likely also act as clearance receptors for circulating peptides. Guanine Nucleotides 98-116 natriuretic peptide receptor 3 Homo sapiens 0-5 19392649-3 2009 These include Ca2+-mediated activation of guanine nucleotide exchange proteins, resulting in increased levels of GTP-charged Ras and/or Rac or inactivation of small GTPases by Ca2+-mediated activation of GTPase-activating enzymes. Guanine Nucleotides 42-60 AKT serine/threonine kinase 1 Homo sapiens 136-139 19202056-4 2009 m/m and mnlt/mnlt phenotypes both result from mutations that truncate the dedicator of cytokinesis 7 protein (DOCK7), a widely expressed Rho family guanine nucleotide exchange factor. Guanine Nucleotides 148-166 dedicator of cytokinesis 7 Mus musculus 74-108 19202056-4 2009 m/m and mnlt/mnlt phenotypes both result from mutations that truncate the dedicator of cytokinesis 7 protein (DOCK7), a widely expressed Rho family guanine nucleotide exchange factor. Guanine Nucleotides 148-166 dedicator of cytokinesis 7 Mus musculus 110-115 19095653-0 2009 Coordination of eukaryotic translation elongation factor 1A (eEF1A) function in actin organization and translation elongation by the guanine nucleotide exchange factor eEF1Balpha. Guanine Nucleotides 133-151 eukaryotic translation elongation factor 1 alpha 1 Homo sapiens 16-59 19095653-0 2009 Coordination of eukaryotic translation elongation factor 1A (eEF1A) function in actin organization and translation elongation by the guanine nucleotide exchange factor eEF1Balpha. Guanine Nucleotides 133-151 eukaryotic translation elongation factor 1 alpha 1 Homo sapiens 61-66 19095653-2 2009 A single domain of eEF1A is proposed to bind actin, aa-tRNA and the guanine nucleotide exchange factor eEF1Balpha. Guanine Nucleotides 68-86 eukaryotic translation elongation factor 1 alpha 1 Homo sapiens 19-24 19196702-4 2009 Using a novel fluorescence polarization guanine nucleotide-binding assay using BODIPY-Texas Red-GTPgammaS (BODIPY-TR-GTPgammaS), the authors performed a 10,000-compound high-throughput screen for inhibitors of LARG-stimulated RhoA nucleotide binding. Guanine Nucleotides 40-58 Rho guanine nucleotide exchange factor 12 Homo sapiens 210-214 19196702-4 2009 Using a novel fluorescence polarization guanine nucleotide-binding assay using BODIPY-Texas Red-GTPgammaS (BODIPY-TR-GTPgammaS), the authors performed a 10,000-compound high-throughput screen for inhibitors of LARG-stimulated RhoA nucleotide binding. Guanine Nucleotides 40-58 ras homolog family member A Homo sapiens 226-230 19196702-5 2009 Five compounds identified from the high-throughput screen were confirmed in a nonfluorescent radioactive guanine nucleotide-binding assay measuring LARG-stimulated [( 35)S] GTPgammaS binding to RhoA, thus ruling out nonspecific fluorescent effects. Guanine Nucleotides 105-123 Rho guanine nucleotide exchange factor 12 Homo sapiens 148-152 19196702-5 2009 Five compounds identified from the high-throughput screen were confirmed in a nonfluorescent radioactive guanine nucleotide-binding assay measuring LARG-stimulated [( 35)S] GTPgammaS binding to RhoA, thus ruling out nonspecific fluorescent effects. Guanine Nucleotides 105-123 ras homolog family member A Homo sapiens 194-198 18584336-5 2009 We found enrichment of alpha (Galphao, Galphaq) and beta subunits (beta4/beta2 and beta5) of guanine nucleotide-binding proteins and of two calcium-binding proteins, calretinin and hippocalcin-like protein-1. Guanine Nucleotides 93-111 guanine nucleotide binding protein, alpha O Mus musculus 23-72 18584336-5 2009 We found enrichment of alpha (Galphao, Galphaq) and beta subunits (beta4/beta2 and beta5) of guanine nucleotide-binding proteins and of two calcium-binding proteins, calretinin and hippocalcin-like protein-1. Guanine Nucleotides 93-111 hemoglobin, beta adult minor chain Mus musculus 73-88 19307703-1 2009 The cyclic AMP (cAMP)-binding proteins, Epac, are guanine nucleotide exchange factors for the Ras-like small GTPases. Guanine Nucleotides 50-68 Rap guanine nucleotide exchange factor 3 Homo sapiens 40-44 19039328-6 2009 Here, we propose a molecular mechanism of this specificity for the COPI coat by showing a direct and specific interaction between a COPI subunit and a cis-Golgi localized subfamily of Arf guanine nucleotide exchange factors (GEFs) that takes place independently of Arf1 activation. Guanine Nucleotides 188-206 ADP ribosylation factor 1 Homo sapiens 265-269 18703424-7 2008 Its protein (NP_056483) was localized in spermatogenic cells and Leydig cells and could interact with guanine nucleotide binding protein, alpha 12, 13, and 11 (GNA12, GNA13, and GNA11). Guanine Nucleotides 102-120 G protein subunit alpha 12 Homo sapiens 160-165 18832381-0 2008 A C-terminal sequence in the guanine nucleotide exchange factor Sec7 mediates Golgi association and interaction with the Rsp5 ubiquitin ligase. Guanine Nucleotides 29-47 cytohesin 1 Homo sapiens 64-68 18832381-0 2008 A C-terminal sequence in the guanine nucleotide exchange factor Sec7 mediates Golgi association and interaction with the Rsp5 ubiquitin ligase. Guanine Nucleotides 29-47 NEDD4 like E3 ubiquitin protein ligase Homo sapiens 121-125 18703424-7 2008 Its protein (NP_056483) was localized in spermatogenic cells and Leydig cells and could interact with guanine nucleotide binding protein, alpha 12, 13, and 11 (GNA12, GNA13, and GNA11). Guanine Nucleotides 102-120 G protein subunit alpha 13 Homo sapiens 167-172 18703424-7 2008 Its protein (NP_056483) was localized in spermatogenic cells and Leydig cells and could interact with guanine nucleotide binding protein, alpha 12, 13, and 11 (GNA12, GNA13, and GNA11). Guanine Nucleotides 102-120 G protein subunit alpha 11 Homo sapiens 178-183 19043202-1 2008 The G alpha subunits of the G(12) family of heterotrimeric guanine nucleotide-binding proteins (G proteins), defined by G alpha(12) and G alpha(13), have many cellular functions in common, including stimulation of stress fiber formation and focal adhesion assembly via the small GTPase RhoA activation. Guanine Nucleotides 59-77 G protein subunit alpha 12 Homo sapiens 120-130 19043202-1 2008 The G alpha subunits of the G(12) family of heterotrimeric guanine nucleotide-binding proteins (G proteins), defined by G alpha(12) and G alpha(13), have many cellular functions in common, including stimulation of stress fiber formation and focal adhesion assembly via the small GTPase RhoA activation. Guanine Nucleotides 59-77 G protein subunit alpha 13 Homo sapiens 136-147 18852288-3 2008 We show that the two most abundant GTPBP3 isoforms exhibit moderate affinity for guanine nucleotides like their bacterial homologue, MnmE, although they hydrolyze GTP at a 100-fold lower rate. Guanine Nucleotides 81-100 GTP binding protein 3, mitochondrial Homo sapiens 35-41 19513240-2 2008 This property is achieved by a guanine nucleotide cycle wherein the inactive, signaling-incompetent Galpha subunit is normally bound to GDP; activation to signaling-competent Galpha occurs through the exchange of GDP for GTP (typically catalyzed via seven-transmembrane domain G-protein coupled receptors [GPCRs]), which dissociates the Gbetagamma dimer from Galpha-GTP and initiates signal transduction. Guanine Nucleotides 31-49 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 100-106 19060111-2 2008 TCTP acts as the guanine nucleotide exchange factor of the Ras GTPase Rheb that controls TOR activity in Drosophila melanogaster. Guanine Nucleotides 17-35 Translationally controlled tumor protein Drosophila melanogaster 0-4 19513240-2 2008 This property is achieved by a guanine nucleotide cycle wherein the inactive, signaling-incompetent Galpha subunit is normally bound to GDP; activation to signaling-competent Galpha occurs through the exchange of GDP for GTP (typically catalyzed via seven-transmembrane domain G-protein coupled receptors [GPCRs]), which dissociates the Gbetagamma dimer from Galpha-GTP and initiates signal transduction. Guanine Nucleotides 31-49 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 175-181 19513240-2 2008 This property is achieved by a guanine nucleotide cycle wherein the inactive, signaling-incompetent Galpha subunit is normally bound to GDP; activation to signaling-competent Galpha occurs through the exchange of GDP for GTP (typically catalyzed via seven-transmembrane domain G-protein coupled receptors [GPCRs]), which dissociates the Gbetagamma dimer from Galpha-GTP and initiates signal transduction. Guanine Nucleotides 31-49 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 175-181 19060111-2 2008 TCTP acts as the guanine nucleotide exchange factor of the Ras GTPase Rheb that controls TOR activity in Drosophila melanogaster. Guanine Nucleotides 17-35 Ras homolog enriched in brain Drosophila melanogaster 70-74 18765661-4 2008 Whereas mutation of two critical lysine residues within the second Ras-association domain of PLC-epsilon prevented K-Ras-dependent activation of the purified enzyme, guanine nucleotide-dependent activation by RhoA was retained. Guanine Nucleotides 166-184 ras homolog family member A Homo sapiens 209-213 19060111-2 2008 TCTP acts as the guanine nucleotide exchange factor of the Ras GTPase Rheb that controls TOR activity in Drosophila melanogaster. Guanine Nucleotides 17-35 Target of rapamycin Drosophila melanogaster 89-92 18796295-2 2008 This study shows that a cellular redox agent (nitrogen dioxide) facilitates Ran guanine nucleotide dissociation, and identifies a unique Ran redox architecture involved in that process. Guanine Nucleotides 80-98 RAN, member RAS oncogene family Homo sapiens 76-79 18976935-1 2008 SWAP-70-like adaptor of T cells (SLAT) is a guanine nucleotide exchange factor for Rho GTPases that regulates the development of T helper 1 (Th1) and Th2 cell inflammatory responses by controlling the Ca(2+)-NFAT signaling pathway. Guanine Nucleotides 44-62 DEF6 guanine nucleotide exchange factor Homo sapiens 33-37 18482007-0 2008 Activation of the small GTPase Rac1 by a specific guanine-nucleotide-exchange factor suffices to induce glucose uptake into skeletal-muscle cells. Guanine Nucleotides 50-68 Rac family small GTPase 1 Homo sapiens 31-35 18796295-2 2008 This study shows that a cellular redox agent (nitrogen dioxide) facilitates Ran guanine nucleotide dissociation, and identifies a unique Ran redox architecture involved in that process. Guanine Nucleotides 80-98 RAN, member RAS oncogene family Homo sapiens 137-140 18796295-4 2008 As Ran releases an intact nucleotide, the redox regulation mechanism of Ran is likely to differ from the radical-based guanine nucleotide modification mechanism suggested for Ras and Rho GTPases. Guanine Nucleotides 119-137 RAN, member RAS oncogene family Homo sapiens 72-75 18997336-0 2008 Crystallographic characterization of the membrane-targeting domains of the Rac-specific guanine nucleotide-exchange factors Tiam1 and Tiam2. Guanine Nucleotides 88-106 TIAM Rac1 associated GEF 1 Homo sapiens 124-129 18997336-0 2008 Crystallographic characterization of the membrane-targeting domains of the Rac-specific guanine nucleotide-exchange factors Tiam1 and Tiam2. Guanine Nucleotides 88-106 TIAM Rac1 associated GEF 2 Homo sapiens 134-139 18997336-1 2008 T-lymphoma invasion and metastasis 1 and 2 (Tiam1 and Tiam2) are guanine nucleotide-exchange factors that specifically activate Rac GTPase by facilitating the dissociation of GDP. Guanine Nucleotides 65-83 TIAM Rac1 associated GEF 1 Homo sapiens 44-49 18997336-1 2008 T-lymphoma invasion and metastasis 1 and 2 (Tiam1 and Tiam2) are guanine nucleotide-exchange factors that specifically activate Rac GTPase by facilitating the dissociation of GDP. Guanine Nucleotides 65-83 TIAM Rac1 associated GEF 2 Homo sapiens 54-59 18790720-4 2008 The results from limited proteinase degradation show that Ca(2+) protects the fragments of H-Ras from being further degraded by trypsin and by proteinase K. HPLC studies together with fluorescence spectroscopic measurements indicate that binding of Ca(2+) to the H-Ras.GDP.Mg(2+) complex remarkably promotes guanine nucleotide exchange on H-Ras under emulated physiological Ca(2+) concentration conditions. Guanine Nucleotides 308-326 HRas proto-oncogene, GTPase Homo sapiens 91-96 18790720-5 2008 Addition of high concentrations of either of two macromolecular crowding agents, Ficoll 70 and dextran 70, dramatically enhances H-Ras guanine nucleotide exchange extent in the presence of Ca(2+) at emulated physiological concentrations, and the nucleotide exchange extent increases significantly with the concentrations of crowding agents. Guanine Nucleotides 135-153 HRas proto-oncogene, GTPase Homo sapiens 129-134 18790720-6 2008 Together, these results indicate that binding of calcium ions to H-Ras remarkably promotes H-Ras guanine nucleotide exchange under emulated physiological conditions. Guanine Nucleotides 97-115 HRas proto-oncogene, GTPase Homo sapiens 65-70 18790720-6 2008 Together, these results indicate that binding of calcium ions to H-Ras remarkably promotes H-Ras guanine nucleotide exchange under emulated physiological conditions. Guanine Nucleotides 97-115 HRas proto-oncogene, GTPase Homo sapiens 91-96 18790060-5 2008 Nonhydrolyzable analogues of guanine nucleotides and SCH23390 blocked the NPY-activated current. Guanine Nucleotides 29-48 neuropeptide Y Rattus norvegicus 74-77 18675860-7 2008 The inhibition exerted by HPP against XOR activity could provoke either (i) an increased adenine and guanine nucleotide pool, which could facilitate viral RNA synthesis or (ii) it could cause changes in IAA/auxin levels, which has been proposed to influence TMV susceptibility in tobacco. Guanine Nucleotides 101-119 familial progressive hyperpigmentation 1 Homo sapiens 26-29 18765661-3 2008 Purified PLC-epsilon was activated in a guanine nucleotide- and concentration-dependent fashion by purified lipidated K-Ras reconstituted in PtdIns(4,5)P(2)-containing phospholipid vesicles. Guanine Nucleotides 40-58 phospholipase C like 1 (inactive) Homo sapiens 9-20 18765661-3 2008 Purified PLC-epsilon was activated in a guanine nucleotide- and concentration-dependent fashion by purified lipidated K-Ras reconstituted in PtdIns(4,5)P(2)-containing phospholipid vesicles. Guanine Nucleotides 40-58 KRAS proto-oncogene, GTPase Homo sapiens 118-123 18845944-0 2008 A function of huntingtin in guanine nucleotide exchange on Rab11. Guanine Nucleotides 28-46 huntingtin Mus musculus 14-24 18845944-0 2008 A function of huntingtin in guanine nucleotide exchange on Rab11. Guanine Nucleotides 28-46 RAB11A, member RAS oncogene family Mus musculus 59-64 18925966-3 2008 One group of activators which regulate the Rho-GTPases is the guanine nucleotide exchange factors (GEFs), and this study looked at three such GEFs, Trio, Vav1 and TIAM-1. Guanine Nucleotides 62-80 vav guanine nucleotide exchange factor 1 Homo sapiens 154-158 18925966-3 2008 One group of activators which regulate the Rho-GTPases is the guanine nucleotide exchange factors (GEFs), and this study looked at three such GEFs, Trio, Vav1 and TIAM-1. Guanine Nucleotides 62-80 trio Rho guanine nucleotide exchange factor Homo sapiens 148-152 18925966-3 2008 One group of activators which regulate the Rho-GTPases is the guanine nucleotide exchange factors (GEFs), and this study looked at three such GEFs, Trio, Vav1 and TIAM-1. Guanine Nucleotides 62-80 TIAM Rac1 associated GEF 1 Homo sapiens 163-169 18836081-5 2008 From these data, in conjunction with previously reported structural data on guanine nucleotide-bound EF-G, we suggest that EF-G enters the pretranslocation ribosome as an "activity chimera," with the G domain activated by the presence of GTP but the overall factor conformation in the inactive form typical of a GDP-bound multidomain guanosine triphosphatase. Guanine Nucleotides 76-94 G elongation factor mitochondrial 1 Homo sapiens 101-105 18836081-5 2008 From these data, in conjunction with previously reported structural data on guanine nucleotide-bound EF-G, we suggest that EF-G enters the pretranslocation ribosome as an "activity chimera," with the G domain activated by the presence of GTP but the overall factor conformation in the inactive form typical of a GDP-bound multidomain guanosine triphosphatase. Guanine Nucleotides 76-94 G elongation factor mitochondrial 1 Homo sapiens 123-127 18559336-9 2008 Recombinant Rab3GEP exhibits guanine nucleotide exchange activity against Rab27a and Rab27b in vitro, in addition to its previously documented activity against Rab3. Guanine Nucleotides 29-47 MAP kinase activating death domain Homo sapiens 12-19 18756455-1 2008 Eukaryotic translation elongation factor 1A (eEF1A) is a guanine-nucleotide binding protein, which transports aminoacylated tRNA to the ribosomal A site during protein synthesis. Guanine Nucleotides 57-75 eukaryotic translation elongation factor 1 alpha 1 Homo sapiens 0-43 18756455-1 2008 Eukaryotic translation elongation factor 1A (eEF1A) is a guanine-nucleotide binding protein, which transports aminoacylated tRNA to the ribosomal A site during protein synthesis. Guanine Nucleotides 57-75 eukaryotic translation elongation factor 1 alpha 1 Homo sapiens 45-50 18660803-1 2008 Epac proteins are activated by binding of the second messenger cAMP and then act as guanine nucleotide exchange factors for Rap proteins. Guanine Nucleotides 84-102 Rap guanine nucleotide exchange factor 3 Homo sapiens 0-4 18660803-1 2008 Epac proteins are activated by binding of the second messenger cAMP and then act as guanine nucleotide exchange factors for Rap proteins. Guanine Nucleotides 84-102 LDL receptor related protein associated protein 1 Homo sapiens 124-127 18596235-1 2008 DOCK180 is the archetype of the DOCK180-family guanine nucleotide exchange factor for small GTPases Rac1 and Cdc42. Guanine Nucleotides 47-65 dedicator of cytokinesis 1 Homo sapiens 0-7 18596235-1 2008 DOCK180 is the archetype of the DOCK180-family guanine nucleotide exchange factor for small GTPases Rac1 and Cdc42. Guanine Nucleotides 47-65 dedicator of cytokinesis 1 Homo sapiens 32-39 18596235-1 2008 DOCK180 is the archetype of the DOCK180-family guanine nucleotide exchange factor for small GTPases Rac1 and Cdc42. Guanine Nucleotides 47-65 Rac family small GTPase 1 Homo sapiens 100-104 18596235-1 2008 DOCK180 is the archetype of the DOCK180-family guanine nucleotide exchange factor for small GTPases Rac1 and Cdc42. Guanine Nucleotides 47-65 cell division cycle 42 Homo sapiens 109-114 18658153-3 2008 The interaction of Rheb with FKBP38 is controlled by its guanine nucleotide binding states, which are responsive to growth factor and amino acid conditions. Guanine Nucleotides 57-75 Ras homolog, mTORC1 binding Homo sapiens 19-23 18658153-3 2008 The interaction of Rheb with FKBP38 is controlled by its guanine nucleotide binding states, which are responsive to growth factor and amino acid conditions. Guanine Nucleotides 57-75 FKBP prolyl isomerase 8 Homo sapiens 29-35 18768681-3 2008 Biochemical and expression system studies suggest that PCP2 is a guanine nucleotide dissociation inhibitor, although a guanine nucleotide exchange factor has also been suggested. Guanine Nucleotides 65-83 Purkinje cell protein 2 (L7) Mus musculus 55-59 18577515-3 2008 Rap1A/B and the two Rap1 guanine nucleotide exchange factors, Epac1 and CalDAG-GEF III, were identified in mouse pancreatic acini. Guanine Nucleotides 25-43 Rap guanine nucleotide exchange factor (GEF) 3 Mus musculus 62-67 18559336-9 2008 Recombinant Rab3GEP exhibits guanine nucleotide exchange activity against Rab27a and Rab27b in vitro, in addition to its previously documented activity against Rab3. Guanine Nucleotides 29-47 RAB27A, member RAS oncogene family Homo sapiens 74-80 18559336-9 2008 Recombinant Rab3GEP exhibits guanine nucleotide exchange activity against Rab27a and Rab27b in vitro, in addition to its previously documented activity against Rab3. Guanine Nucleotides 29-47 RAB27B, member RAS oncogene family Homo sapiens 85-91 20735965-2 2008 The activities of RhoC are negatively regulated by guanine nucleotide dissociation inhibitor beta,gamma(GDIbeta,gamma), but its role in cancer is quite limited. Guanine Nucleotides 51-69 ras homolog family member C Homo sapiens 18-22 18541531-0 2008 Ric-8A catalyzes guanine nucleotide exchange on G alphai1 bound to the GPR/GoLoco exchange inhibitor AGS3. Guanine Nucleotides 17-35 RIC8 guanine nucleotide exchange factor A Homo sapiens 0-6 18541531-0 2008 Ric-8A catalyzes guanine nucleotide exchange on G alphai1 bound to the GPR/GoLoco exchange inhibitor AGS3. Guanine Nucleotides 17-35 G protein signaling modulator 1 Homo sapiens 101-105 18541531-4 2008 AGS3, a guanine nucleotide dissociation inhibitor (GDI), binds and stabilizes Galpha subunits in their GDP-bound state. Guanine Nucleotides 8-26 G protein signaling modulator 1 Homo sapiens 0-4 18541531-4 2008 AGS3, a guanine nucleotide dissociation inhibitor (GDI), binds and stabilizes Galpha subunits in their GDP-bound state. Guanine Nucleotides 8-26 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 78-84 18274553-2 2008 It functions as a growth regulating protein implicated in the TSC1-TSC2 -mTOR pathway or a guanine nucleotide dissociation inhibitor for the elongation factors EF1A and EF1Bbeta. Guanine Nucleotides 91-109 eukaryotic translation elongation factor 1 alpha 2 Homo sapiens 160-164 18554500-4 2008 Arl13b binds guanine nucleotides and specifically localizes to cilia. Guanine Nucleotides 13-32 ADP ribosylation factor like GTPase 13B Homo sapiens 0-6 18554500-5 2008 The ciliary localization of Arl13b requires both N and C domains but is independent of its guanine nucleotide-binding ability. Guanine Nucleotides 91-109 ADP ribosylation factor like GTPase 13B Homo sapiens 28-34 18631136-8 2008 In the present article, we review data from studies of representative G-protein-GEF pairs and compare these with observations from our research on eIF2 and eIF2B to propose a model for how interactions between eIF2B and eIF2 promote guanine nucleotide exchange. Guanine Nucleotides 233-251 Rho/Rac guanine nucleotide exchange factor 2 Homo sapiens 80-83 18631136-8 2008 In the present article, we review data from studies of representative G-protein-GEF pairs and compare these with observations from our research on eIF2 and eIF2B to propose a model for how interactions between eIF2B and eIF2 promote guanine nucleotide exchange. Guanine Nucleotides 233-251 eukaryotic translation initiation factor 2 subunit beta Homo sapiens 147-151 18631136-8 2008 In the present article, we review data from studies of representative G-protein-GEF pairs and compare these with observations from our research on eIF2 and eIF2B to propose a model for how interactions between eIF2B and eIF2 promote guanine nucleotide exchange. Guanine Nucleotides 233-251 eukaryotic translation initiation factor 2B subunit delta Homo sapiens 156-161 18631136-8 2008 In the present article, we review data from studies of representative G-protein-GEF pairs and compare these with observations from our research on eIF2 and eIF2B to propose a model for how interactions between eIF2B and eIF2 promote guanine nucleotide exchange. Guanine Nucleotides 233-251 eukaryotic translation initiation factor 2B subunit delta Homo sapiens 210-215 18631136-8 2008 In the present article, we review data from studies of representative G-protein-GEF pairs and compare these with observations from our research on eIF2 and eIF2B to propose a model for how interactions between eIF2B and eIF2 promote guanine nucleotide exchange. Guanine Nucleotides 233-251 eukaryotic translation initiation factor 2 subunit beta Homo sapiens 156-160 18320579-3 2008 G(12) proteins were more recently studied, and upon activation by GPCRs they mediate activation of RhoGTPase guanine nucleotide exchange factors (RhoGEFs), which in turn activate the small GTPase RhoA. Guanine Nucleotides 109-127 ras homolog family member A Homo sapiens 196-200 18552287-9 2008 Our results also suggest that Avo2p/Slm1p-mediated signaling, but not Avo1p-mediated signaling, links to Rho1p activation specifically through the Rho1p-guanine nucleotide exchange factor Tus1p. Guanine Nucleotides 153-171 Avo2p Saccharomyces cerevisiae S288C 30-35 18552287-9 2008 Our results also suggest that Avo2p/Slm1p-mediated signaling, but not Avo1p-mediated signaling, links to Rho1p activation specifically through the Rho1p-guanine nucleotide exchange factor Tus1p. Guanine Nucleotides 153-171 phosphatidylinositol 4,5-bisphosphate-binding protein Saccharomyces cerevisiae S288C 36-41 18552287-9 2008 Our results also suggest that Avo2p/Slm1p-mediated signaling, but not Avo1p-mediated signaling, links to Rho1p activation specifically through the Rho1p-guanine nucleotide exchange factor Tus1p. Guanine Nucleotides 153-171 Rho family GTPase RHO1 Saccharomyces cerevisiae S288C 105-110 18552287-9 2008 Our results also suggest that Avo2p/Slm1p-mediated signaling, but not Avo1p-mediated signaling, links to Rho1p activation specifically through the Rho1p-guanine nucleotide exchange factor Tus1p. Guanine Nucleotides 153-171 Rho family GTPase RHO1 Saccharomyces cerevisiae S288C 147-152 18552287-9 2008 Our results also suggest that Avo2p/Slm1p-mediated signaling, but not Avo1p-mediated signaling, links to Rho1p activation specifically through the Rho1p-guanine nucleotide exchange factor Tus1p. Guanine Nucleotides 153-171 Rho family guanine nucleotide exchange factor TUS1 Saccharomyces cerevisiae S288C 188-193 18411261-1 2008 Exchange proteins directly activated by cAMP (EPACs) are guanine nucleotide-exchange factors for the small GTPases Rap1 and Rap2 and represent a key receptor for the ubiquitous cAMP second messenger in eukaryotes. Guanine Nucleotides 57-75 RAP1A, member of RAS oncogene family Homo sapiens 115-119 18410521-0 2008 Frabin and other related Cdc42-specific guanine nucleotide exchange factors couple the actin cytoskeleton with the plasma membrane. Guanine Nucleotides 40-58 cell division cycle 42 Homo sapiens 25-30 18589439-0 2008 Structural basis of guanine nucleotide exchange mediated by the T-cell essential Vav1. Guanine Nucleotides 20-38 vav guanine nucleotide exchange factor 1 Homo sapiens 81-85 18589439-4 2008 These unique interactions stabilize the Vav1 DH domain for its intimate association with the Switch II region of Rac1 that is critical for the displacement of the guanine nucleotide. Guanine Nucleotides 163-181 vav guanine nucleotide exchange factor 1 Homo sapiens 40-44 18589439-4 2008 These unique interactions stabilize the Vav1 DH domain for its intimate association with the Switch II region of Rac1 that is critical for the displacement of the guanine nucleotide. Guanine Nucleotides 163-181 Rac family small GTPase 1 Homo sapiens 113-117 18589439-6 2008 Further, mutational analyses confirms that the atypical CRD is critical for maintaining both optimal guanine nucleotide exchange activity and broader specificity of Vav family GEFs. Guanine Nucleotides 101-119 vav guanine nucleotide exchange factor 1 Homo sapiens 165-168 18411261-1 2008 Exchange proteins directly activated by cAMP (EPACs) are guanine nucleotide-exchange factors for the small GTPases Rap1 and Rap2 and represent a key receptor for the ubiquitous cAMP second messenger in eukaryotes. Guanine Nucleotides 57-75 RAP2A, member of RAS oncogene family Homo sapiens 124-128 18585348-3 2008 (2008) now present structural and biochemical analyses of yeast TRAPPI in a complex with Ypt1p revealing a unique mechanism by which TRAPPI catalyzes guanine nucleotide exchange. Guanine Nucleotides 150-168 Rab family GTPase YPT1 Saccharomyces cerevisiae S288C 89-94 18604457-2 2008 In eukaryotic cells, the effects of cAMP are mediated by two ubiquitously expressed intracellular cAMP receptors, the classic protein kinase A (PKA)/cAMP-dependent protein kinase and the recently discovered exchange protein directly activated by camp (Epac)/cAMP-regulated guanine nucleotide exchange factors. Guanine Nucleotides 273-291 Rap guanine nucleotide exchange factor 3 Homo sapiens 252-256 18339214-2 2008 The mechanisms of adrenomedullin-induced responses are via guanine nucleotide guanosine 5"-triphosphate-binding protein (G-protein)-coupled receptor activation and are similar to those of calcitonin gene-related peptide (CGRP). Guanine Nucleotides 59-77 adrenomedullin Rattus norvegicus 18-32 18359763-4 2008 Importantly, uniquely hypomethylated genes play roles in angiogenesis (e.g., chymase 1, tyrosine kinase nonreceptor 2, and possibly ephrin B2 and triple functional domain, PTPRF interacting) and invasion and metastasis, including those involved in the epithelial-mesenchymal transition (transcription factor 4, transforming growth factor beta receptor II, and ral guanine nucleotide dissociation stimulator). Guanine Nucleotides 364-382 tyrosine kinase, non-receptor, 2 Mus musculus 88-141 18359763-4 2008 Importantly, uniquely hypomethylated genes play roles in angiogenesis (e.g., chymase 1, tyrosine kinase nonreceptor 2, and possibly ephrin B2 and triple functional domain, PTPRF interacting) and invasion and metastasis, including those involved in the epithelial-mesenchymal transition (transcription factor 4, transforming growth factor beta receptor II, and ral guanine nucleotide dissociation stimulator). Guanine Nucleotides 364-382 transcription factor 4 Mus musculus 287-354 18359763-4 2008 Importantly, uniquely hypomethylated genes play roles in angiogenesis (e.g., chymase 1, tyrosine kinase nonreceptor 2, and possibly ephrin B2 and triple functional domain, PTPRF interacting) and invasion and metastasis, including those involved in the epithelial-mesenchymal transition (transcription factor 4, transforming growth factor beta receptor II, and ral guanine nucleotide dissociation stimulator). Guanine Nucleotides 364-382 v-ral simian leukemia viral oncogene A (ras related) Mus musculus 360-363 18378681-2 2008 In the yeast Saccharomyces cerevisiae, the sole guanine nucleotide exchange factor for the Rho G-protein Cdc42p, Cdc24p, is essential for its site-specific activation. Guanine Nucleotides 48-66 Rho family GTPase CDC42 Saccharomyces cerevisiae S288C 105-111 18378681-2 2008 In the yeast Saccharomyces cerevisiae, the sole guanine nucleotide exchange factor for the Rho G-protein Cdc42p, Cdc24p, is essential for its site-specific activation. Guanine Nucleotides 48-66 Rho family guanine nucleotide exchange factor CDC24 Saccharomyces cerevisiae S288C 113-119 18396012-5 2008 We demonstrate that E2F1 induces ERK activation via a transcriptional mechanism and upregulates the expression of two guanine nucleotide exchange factors, RASGRP1 and RASGEF1B, which promote Ras activation. Guanine Nucleotides 118-136 E2F transcription factor 1 L homeolog Xenopus laevis 20-24 20731941-2 2008 The activities of RhoC are negatively regulated by guanine nucleotide dissociation inhibitor a (GDIa), but the knowledge of its role in cancer is quite limited and the results are controversy in different cancers. Guanine Nucleotides 51-69 ras homolog family member C Homo sapiens 18-22 18504302-7 2008 We find that Rho-specific guanine nucleotide exchange factor mutants, pebble (pbl), severely disrupt this F-actin-associated vesicle transport. Guanine Nucleotides 26-44 Actin 79B Drosophila melanogaster 108-113 18611384-2 2008 It contains four zinc finger motifs that are thought to be crucial for the regulation of transport-receptor/cargo interactions via their binding to the small guanine nucleotide binding protein, Ran. Guanine Nucleotides 158-176 RAN, member RAS oncogene family Homo sapiens 194-197 18396012-5 2008 We demonstrate that E2F1 induces ERK activation via a transcriptional mechanism and upregulates the expression of two guanine nucleotide exchange factors, RASGRP1 and RASGEF1B, which promote Ras activation. Guanine Nucleotides 118-136 RAS guanyl releasing protein 1 L homeolog Xenopus laevis 155-162 18176800-1 2008 Epac1 (also known as cAMP-GEF-I) and Epac2 (also known as cAMP-GEF-II) are cyclic AMP-activated guanine nucleotide exchange factors for Ras-like GTPases. Guanine Nucleotides 96-114 Rap guanine nucleotide exchange factor 3 Homo sapiens 0-5 18391018-2 2008 We show that exchange protein directly activated by cAMP (Epac), which functions as a guanine nucleotide exchange factor for the Ras-like GTPases Rap1 and Rap2, was required for cAMP-dependent stimulation of adipocyte differentiation. Guanine Nucleotides 86-104 Rap guanine nucleotide exchange factor 3 Homo sapiens 58-62 18391018-2 2008 We show that exchange protein directly activated by cAMP (Epac), which functions as a guanine nucleotide exchange factor for the Ras-like GTPases Rap1 and Rap2, was required for cAMP-dependent stimulation of adipocyte differentiation. Guanine Nucleotides 86-104 RAP1A, member of RAS oncogene family Homo sapiens 146-150 18391018-2 2008 We show that exchange protein directly activated by cAMP (Epac), which functions as a guanine nucleotide exchange factor for the Ras-like GTPases Rap1 and Rap2, was required for cAMP-dependent stimulation of adipocyte differentiation. Guanine Nucleotides 86-104 RAP2A, member of RAS oncogene family Homo sapiens 155-159 18176800-1 2008 Epac1 (also known as cAMP-GEF-I) and Epac2 (also known as cAMP-GEF-II) are cyclic AMP-activated guanine nucleotide exchange factors for Ras-like GTPases. Guanine Nucleotides 96-114 Rap guanine nucleotide exchange factor 3 Homo sapiens 21-31 18176800-1 2008 Epac1 (also known as cAMP-GEF-I) and Epac2 (also known as cAMP-GEF-II) are cyclic AMP-activated guanine nucleotide exchange factors for Ras-like GTPases. Guanine Nucleotides 96-114 Rap guanine nucleotide exchange factor 4 Homo sapiens 37-42 18176800-1 2008 Epac1 (also known as cAMP-GEF-I) and Epac2 (also known as cAMP-GEF-II) are cyclic AMP-activated guanine nucleotide exchange factors for Ras-like GTPases. Guanine Nucleotides 96-114 Rap guanine nucleotide exchange factor 4 Homo sapiens 58-69 18600529-0 2008 Guanine nucleotide depletion mediates translocation of nucleolar proteins, including RNA helicase A (DHX-9). Guanine Nucleotides 0-18 DExH-box helicase 9 Homo sapiens 85-99 18600529-0 2008 Guanine nucleotide depletion mediates translocation of nucleolar proteins, including RNA helicase A (DHX-9). Guanine Nucleotides 0-18 DExH-box helicase 9 Homo sapiens 101-106 18600550-3 2008 One such protein is inosine monophosphate dehydrogenase type 1 (IMPDH1), which catalyzes a key step in guanine nucleotide biosynthesis and also binds single-stranded nucleic acids. Guanine Nucleotides 103-121 inosine monophosphate dehydrogenase 1 Homo sapiens 20-62 18299239-2 2008 The Cdc42/Rac guanine nucleotide exchange factor PIX and the Arf GTPase-activating protein GIT form a stable complex in cells. Guanine Nucleotides 14-32 cell division cycle 42 Homo sapiens 4-9 18600550-3 2008 One such protein is inosine monophosphate dehydrogenase type 1 (IMPDH1), which catalyzes a key step in guanine nucleotide biosynthesis and also binds single-stranded nucleic acids. Guanine Nucleotides 103-121 inosine monophosphate dehydrogenase 1 Homo sapiens 64-70 18426909-1 2008 The IMD2 gene in Saccharomyces cerevisiae is regulated by intracellular guanine nucleotides. Guanine Nucleotides 72-91 IMP dehydrogenase IMD2 Saccharomyces cerevisiae S288C 4-8 18299239-2 2008 The Cdc42/Rac guanine nucleotide exchange factor PIX and the Arf GTPase-activating protein GIT form a stable complex in cells. Guanine Nucleotides 14-32 AKT serine/threonine kinase 1 Homo sapiens 10-13 18302932-0 2008 Neuroprotective function of human neuroglobin is correlated with its guanine nucleotide dissociation inhibitor activity. Guanine Nucleotides 69-87 neuroglobin Homo sapiens 34-45 18302932-3 2008 We previously demonstrated that human ferric Ngb binds to the alpha-subunits of heterotrimeric G proteins (Galpha(i/o)) and acts as a guanine nucleotide dissociation inhibitor (GDI) for Galpha(i/o). Guanine Nucleotides 134-152 neuroglobin Homo sapiens 45-48 18302932-3 2008 We previously demonstrated that human ferric Ngb binds to the alpha-subunits of heterotrimeric G proteins (Galpha(i/o)) and acts as a guanine nucleotide dissociation inhibitor (GDI) for Galpha(i/o). Guanine Nucleotides 134-152 succinate-CoA ligase GDP/ADP-forming subunit alpha Homo sapiens 186-197 18258182-1 2008 Gtr1p and Gtr2p of Saccharomyces cerevisiae are members of the Ras-like GTP binding family and interact genetically with Prp20p (yeast RCC1), which is a guanine nucleotide exchange factor for Gsp1p (yeast homolog of Ran, involved in nuclear export). Guanine Nucleotides 153-171 Rag GTPase GTR1 Saccharomyces cerevisiae S288C 0-5 18451304-4 2008 This asymmetric tethering relied on motifs that sensed membrane curvature both in the N terminus of GMAP-210 and in ArfGAP1, which controlled the interaction of the C terminus of GMAP-210 with the small guanine nucleotide-binding protein Arf1. Guanine Nucleotides 203-221 thyroid hormone receptor interactor 11 Homo sapiens 100-108 18451304-4 2008 This asymmetric tethering relied on motifs that sensed membrane curvature both in the N terminus of GMAP-210 and in ArfGAP1, which controlled the interaction of the C terminus of GMAP-210 with the small guanine nucleotide-binding protein Arf1. Guanine Nucleotides 203-221 ADP ribosylation factor GTPase activating protein 1 Homo sapiens 116-123 18451304-4 2008 This asymmetric tethering relied on motifs that sensed membrane curvature both in the N terminus of GMAP-210 and in ArfGAP1, which controlled the interaction of the C terminus of GMAP-210 with the small guanine nucleotide-binding protein Arf1. Guanine Nucleotides 203-221 thyroid hormone receptor interactor 11 Homo sapiens 179-187 18451304-4 2008 This asymmetric tethering relied on motifs that sensed membrane curvature both in the N terminus of GMAP-210 and in ArfGAP1, which controlled the interaction of the C terminus of GMAP-210 with the small guanine nucleotide-binding protein Arf1. Guanine Nucleotides 203-221 ADP ribosylation factor 1 Homo sapiens 238-242 18416560-3 2008 We previously demonstrated that human ferric Ngb binds to the alpha subunit of heterotrimeric G proteins (Galphai) and acts as a guanine nucleotide dissociation inhibitor (GDI) for Galphai. Guanine Nucleotides 129-147 neuroglobin Homo sapiens 45-48 18258182-1 2008 Gtr1p and Gtr2p of Saccharomyces cerevisiae are members of the Ras-like GTP binding family and interact genetically with Prp20p (yeast RCC1), which is a guanine nucleotide exchange factor for Gsp1p (yeast homolog of Ran, involved in nuclear export). Guanine Nucleotides 153-171 Gtr2p Saccharomyces cerevisiae S288C 10-15 18258182-1 2008 Gtr1p and Gtr2p of Saccharomyces cerevisiae are members of the Ras-like GTP binding family and interact genetically with Prp20p (yeast RCC1), which is a guanine nucleotide exchange factor for Gsp1p (yeast homolog of Ran, involved in nuclear export). Guanine Nucleotides 153-171 Ran guanyl-nucleotide exchange factor Saccharomyces cerevisiae S288C 121-127 18258182-1 2008 Gtr1p and Gtr2p of Saccharomyces cerevisiae are members of the Ras-like GTP binding family and interact genetically with Prp20p (yeast RCC1), which is a guanine nucleotide exchange factor for Gsp1p (yeast homolog of Ran, involved in nuclear export). Guanine Nucleotides 153-171 Ran GTPase GSP1 Saccharomyces cerevisiae S288C 192-197 18363964-3 2008 Although FGD3 and FGD1 share strikingly similar Dbl homology (DH) domains and adjacent pleckstrin homology (PH) domains, both of which are responsible for guanine nucleotide exchange, there also exist remarkable differences in their structures. Guanine Nucleotides 155-173 FYVE, RhoGEF and PH domain containing 3 Homo sapiens 9-13 18208356-2 2008 We report here that hPEM-2, a guanine nucleotide exchange factor for the small GTPase Cdc42, is a novel target of Smurf1. Guanine Nucleotides 30-48 Cdc42 guanine nucleotide exchange factor 9 Homo sapiens 20-26 18208356-2 2008 We report here that hPEM-2, a guanine nucleotide exchange factor for the small GTPase Cdc42, is a novel target of Smurf1. Guanine Nucleotides 30-48 cell division cycle 42 Homo sapiens 86-91 18208356-2 2008 We report here that hPEM-2, a guanine nucleotide exchange factor for the small GTPase Cdc42, is a novel target of Smurf1. Guanine Nucleotides 30-48 SMAD specific E3 ubiquitin protein ligase 1 Homo sapiens 114-120 19262097-2 2008 We recently revealed that GEP100, a guanine nucleotide exchanging factor, is responsible for the activation of Arf6 which induces invasion and metastasis. Guanine Nucleotides 36-54 IQ motif and Sec7 domain ArfGEF 1 Homo sapiens 26-32 19262097-2 2008 We recently revealed that GEP100, a guanine nucleotide exchanging factor, is responsible for the activation of Arf6 which induces invasion and metastasis. Guanine Nucleotides 36-54 ADP ribosylation factor 6 Homo sapiens 111-115 18363964-3 2008 Although FGD3 and FGD1 share strikingly similar Dbl homology (DH) domains and adjacent pleckstrin homology (PH) domains, both of which are responsible for guanine nucleotide exchange, there also exist remarkable differences in their structures. Guanine Nucleotides 155-173 FYVE, RhoGEF and PH domain containing 1 Homo sapiens 18-22 18216183-4 2008 In particular, we showed that hOAT2 (SLC22A7), a member of the solute carrier (SLC) superfamily, was a facilitative transporter for cGMP and other guanine nucleotides. Guanine Nucleotides 147-166 solute carrier family 22 member 7 Homo sapiens 30-35 18216183-4 2008 In particular, we showed that hOAT2 (SLC22A7), a member of the solute carrier (SLC) superfamily, was a facilitative transporter for cGMP and other guanine nucleotides. Guanine Nucleotides 147-166 solute carrier family 22 member 7 Homo sapiens 37-44 18211802-0 2008 ERK1/2 phosphorylate GEF-H1 to enhance its guanine nucleotide exchange activity toward RhoA. Guanine Nucleotides 43-61 mitogen-activated protein kinase 3 Homo sapiens 0-6 18211802-0 2008 ERK1/2 phosphorylate GEF-H1 to enhance its guanine nucleotide exchange activity toward RhoA. Guanine Nucleotides 43-61 Rho/Rac guanine nucleotide exchange factor 2 Homo sapiens 21-27 18211802-0 2008 ERK1/2 phosphorylate GEF-H1 to enhance its guanine nucleotide exchange activity toward RhoA. Guanine Nucleotides 43-61 ras homolog family member A Homo sapiens 87-91 18211802-6 2008 ERK1/2-mediated Thr(678)-phosphorylation enhanced the guanine nucleotide exchange activity of GEF-H1 toward RhoA. Guanine Nucleotides 54-72 mitogen-activated protein kinase 3 Homo sapiens 0-6 18211802-6 2008 ERK1/2-mediated Thr(678)-phosphorylation enhanced the guanine nucleotide exchange activity of GEF-H1 toward RhoA. Guanine Nucleotides 54-72 Rho/Rac guanine nucleotide exchange factor 2 Homo sapiens 94-100 18211802-6 2008 ERK1/2-mediated Thr(678)-phosphorylation enhanced the guanine nucleotide exchange activity of GEF-H1 toward RhoA. Guanine Nucleotides 54-72 ras homolog family member A Homo sapiens 108-112 18332221-2 2008 Here we show that the two guanine-nucleotide exchange factors Brag2 and Dock180 have evolutionarily conserved functions in the fusion of mammalian myoblasts. Guanine Nucleotides 26-44 IQ motif and Sec7 domain ArfGEF 1 Homo sapiens 62-67 18332221-2 2008 Here we show that the two guanine-nucleotide exchange factors Brag2 and Dock180 have evolutionarily conserved functions in the fusion of mammalian myoblasts. Guanine Nucleotides 26-44 dedicator of cytokinesis 1 Homo sapiens 72-79 18271718-1 2008 Sec14p-like lipid-binding domain (SEC14 domain) is an evolutionarily conserved protein domain often found in secretory proteins, such as Saccharomyces cerevisiae phosphatidylinositol transfer protein Sec14p, and in lipid-regulated proteins, such as GTPase-activating proteins, guanine nucleotide exchange factors, and neurofibromin. Guanine Nucleotides 277-295 phosphatidylinositol/phosphatidylcholine transfer protein SEC14 Saccharomyces cerevisiae S288C 0-6 18178724-3 2008 We evaluated the role of the cAMP-dependent activation of the exchange protein activated by cAMP (Epac), a guanine nucleotide exchange factor for the small GTPase Rap1, in rat venular microvessels exposed to the platelet-activating factor (PAF). Guanine Nucleotides 107-125 Rap guanine nucleotide exchange factor 3 Rattus norvegicus 62-96 18178724-3 2008 We evaluated the role of the cAMP-dependent activation of the exchange protein activated by cAMP (Epac), a guanine nucleotide exchange factor for the small GTPase Rap1, in rat venular microvessels exposed to the platelet-activating factor (PAF). Guanine Nucleotides 107-125 Rap guanine nucleotide exchange factor 3 Rattus norvegicus 98-102 18331715-1 2008 Cdc42GAP promotes inactivation of Cdc42, a small GTPase whose activation at the leading edge by guanine nucleotide exchange factors is critical for cell migration. Guanine Nucleotides 96-114 Rho GTPase activating protein 1 Homo sapiens 0-8 18331715-1 2008 Cdc42GAP promotes inactivation of Cdc42, a small GTPase whose activation at the leading edge by guanine nucleotide exchange factors is critical for cell migration. Guanine Nucleotides 96-114 cell division cycle 42 Homo sapiens 0-5 18271718-1 2008 Sec14p-like lipid-binding domain (SEC14 domain) is an evolutionarily conserved protein domain often found in secretory proteins, such as Saccharomyces cerevisiae phosphatidylinositol transfer protein Sec14p, and in lipid-regulated proteins, such as GTPase-activating proteins, guanine nucleotide exchange factors, and neurofibromin. Guanine Nucleotides 277-295 phosphatidylinositol/phosphatidylcholine transfer protein SEC14 Saccharomyces cerevisiae S288C 34-39 18271718-1 2008 Sec14p-like lipid-binding domain (SEC14 domain) is an evolutionarily conserved protein domain often found in secretory proteins, such as Saccharomyces cerevisiae phosphatidylinositol transfer protein Sec14p, and in lipid-regulated proteins, such as GTPase-activating proteins, guanine nucleotide exchange factors, and neurofibromin. Guanine Nucleotides 277-295 phosphatidylinositol/phosphatidylcholine transfer protein SEC14 Saccharomyces cerevisiae S288C 200-206 18323689-0 2008 The EFA6 family: guanine nucleotide exchange factors for ADP ribosylation factor 6 at neuronal synapses. Guanine Nucleotides 17-35 pleckstrin and Sec7 domain containing Mus musculus 4-8 18323689-0 2008 The EFA6 family: guanine nucleotide exchange factors for ADP ribosylation factor 6 at neuronal synapses. Guanine Nucleotides 17-35 ADP-ribosylation factor 6 Mus musculus 57-82 18258741-5 2008 The only change in Gsalpha that is similar to that in *Talpha is that the apparent affinity for guanine nucleotides is decreased in both proteins. Guanine Nucleotides 96-115 GNAS complex locus Homo sapiens 19-26 18070886-1 2008 The cycling of Rac GTPases, alternating between an active GTP- and an inactive GDP-bound state, is controlled by guanine nucleotide exchange factors, GTPase-activating proteins (GAPs), and guanine nucleotide dissociation inhibitors (GDIs). Guanine Nucleotides 113-131 thymoma viral proto-oncogene 1 Mus musculus 15-18 18056264-0 2008 Specific recognition of Rac2 and Cdc42 by DOCK2 and DOCK9 guanine nucleotide exchange factors. Guanine Nucleotides 58-76 Rac family small GTPase 2 Homo sapiens 24-28 18056264-0 2008 Specific recognition of Rac2 and Cdc42 by DOCK2 and DOCK9 guanine nucleotide exchange factors. Guanine Nucleotides 58-76 cell division cycle 42 Homo sapiens 33-38 18056264-0 2008 Specific recognition of Rac2 and Cdc42 by DOCK2 and DOCK9 guanine nucleotide exchange factors. Guanine Nucleotides 58-76 dedicator of cytokinesis 9 Homo sapiens 52-57 18070886-1 2008 The cycling of Rac GTPases, alternating between an active GTP- and an inactive GDP-bound state, is controlled by guanine nucleotide exchange factors, GTPase-activating proteins (GAPs), and guanine nucleotide dissociation inhibitors (GDIs). Guanine Nucleotides 189-207 thymoma viral proto-oncogene 1 Mus musculus 15-18 17716863-0 2008 Epac-selective cAMP analogs: new tools with which to evaluate the signal transduction properties of cAMP-regulated guanine nucleotide exchange factors. Guanine Nucleotides 115-133 Rap guanine nucleotide exchange factor 3 Homo sapiens 0-4 18163987-1 2008 Members of the CDM (CED-5, Dock180, Myoblast city) superfamily of guanine nucleotide exchange factors function in diverse processes that include cell migration and myoblast fusion. Guanine Nucleotides 66-84 myoblast city Drosophila melanogaster 27-34 18003980-0 2008 Distinct functions for Arf guanine nucleotide exchange factors at the Golgi complex: GBF1 and BIGs are required for assembly and maintenance of the Golgi stack and trans-Golgi network, respectively. Guanine Nucleotides 27-45 golgi brefeldin A resistant guanine nucleotide exchange factor 1 Homo sapiens 85-89 18039662-1 2008 GTPase-activating proteins are required to terminate signaling by Rap1, a small guanine nucleotide-binding protein that controls integrin activity and cell adhesion. Guanine Nucleotides 80-98 RAP1A, member of RAS oncogene family Homo sapiens 66-70 18195107-2 2008 RhoA GTPases facilitate FA formation, yet FA-associated RhoA-specific guanine nucleotide exchange factors (GEFs) remain unknown. Guanine Nucleotides 70-88 ras homolog family member A Mus musculus 56-60 18077133-5 2008 We identified at least 4 BRK targets comprising the alpha-subunit of stimulatory guanine nucleotide binding protein (GNAS), FL139441, beta-tubulin and kinesin associated protein 3A (KAP3A) and validated them as BRK substrates using a secondary assay. Guanine Nucleotides 81-99 protein tyrosine kinase 6 Homo sapiens 25-28 18077133-5 2008 We identified at least 4 BRK targets comprising the alpha-subunit of stimulatory guanine nucleotide binding protein (GNAS), FL139441, beta-tubulin and kinesin associated protein 3A (KAP3A) and validated them as BRK substrates using a secondary assay. Guanine Nucleotides 81-99 GNAS complex locus Homo sapiens 117-121 18267089-2 2008 PAR-3 directly interacts with Tiam1/Taim2 (STEF), Rac1-specific guanine nucleotide exchange factors, and forms a complex with aPKC-PAR-6-Cdc42*GTP, leading to Rac1 activation. Guanine Nucleotides 64-82 par-3 family cell polarity regulator Homo sapiens 0-5 18267089-2 2008 PAR-3 directly interacts with Tiam1/Taim2 (STEF), Rac1-specific guanine nucleotide exchange factors, and forms a complex with aPKC-PAR-6-Cdc42*GTP, leading to Rac1 activation. Guanine Nucleotides 64-82 Rac family small GTPase 1 Homo sapiens 50-54 18267089-2 2008 PAR-3 directly interacts with Tiam1/Taim2 (STEF), Rac1-specific guanine nucleotide exchange factors, and forms a complex with aPKC-PAR-6-Cdc42*GTP, leading to Rac1 activation. Guanine Nucleotides 64-82 cell division cycle 42 Homo sapiens 137-142 18190708-2 2008 They are regulated by at least three families of proteins, RHO guanine nucleotide exchange factors (RHOGEFs), RHOGTPase-activating proteins (RHOGAPs) and RHO guanine nucleotide inhibitors (RHOGDIs). Guanine Nucleotides 63-81 Rho GDP dissociation inhibitor alpha Homo sapiens 189-196 18190708-2 2008 They are regulated by at least three families of proteins, RHO guanine nucleotide exchange factors (RHOGEFs), RHOGTPase-activating proteins (RHOGAPs) and RHO guanine nucleotide inhibitors (RHOGDIs). Guanine Nucleotides 158-176 Rho GDP dissociation inhibitor alpha Homo sapiens 189-196 17716863-1 2008 The identification of 2"-O-methyl substituted adenosine-3",5"-cyclic monophosphate (cAMP) analogs that activate the Epac family of cAMP-regulated guanine nucleotide exchange factors (cAMP-GEFs, also known as Epac1 and Epac2), has ushered in a new era of cyclic nucleotide research in which previously unrecognized signalling properties of the second messenger cAMP have been revealed. Guanine Nucleotides 146-164 Rap guanine nucleotide exchange factor 3 Homo sapiens 116-120 17716863-1 2008 The identification of 2"-O-methyl substituted adenosine-3",5"-cyclic monophosphate (cAMP) analogs that activate the Epac family of cAMP-regulated guanine nucleotide exchange factors (cAMP-GEFs, also known as Epac1 and Epac2), has ushered in a new era of cyclic nucleotide research in which previously unrecognized signalling properties of the second messenger cAMP have been revealed. Guanine Nucleotides 146-164 Rap guanine nucleotide exchange factor 3 Homo sapiens 208-213 17716863-1 2008 The identification of 2"-O-methyl substituted adenosine-3",5"-cyclic monophosphate (cAMP) analogs that activate the Epac family of cAMP-regulated guanine nucleotide exchange factors (cAMP-GEFs, also known as Epac1 and Epac2), has ushered in a new era of cyclic nucleotide research in which previously unrecognized signalling properties of the second messenger cAMP have been revealed. Guanine Nucleotides 146-164 Rap guanine nucleotide exchange factor 4 Homo sapiens 218-223 18280771-0 2008 Endoplasmic reticulum-associated degradation of mutant CFTR requires a guanine nucleotide-sensitive step. Guanine Nucleotides 71-89 CF transmembrane conductance regulator Homo sapiens 55-59 18769037-8 2008 CONCLUSION: Guanine nucleotides can modulate cardiac TRPM7-like channels via a mechanism linked to G proteins and to PIP(2) metabolism. Guanine Nucleotides 12-31 transient receptor potential cation channel subfamily M member 7 Sus scrofa 53-58 18769037-8 2008 CONCLUSION: Guanine nucleotides can modulate cardiac TRPM7-like channels via a mechanism linked to G proteins and to PIP(2) metabolism. Guanine Nucleotides 12-31 prolactin induced protein Sus scrofa 117-120 17727662-1 2007 The Saccharomyces cerevisiae CDC25 gene encodes a guanine nucleotide exchange factor for Ras proteins whose catalytic domain is highly homologous to Ras-guanine nucleotide exchange factors from higher eukaryotes. Guanine Nucleotides 50-68 Ras family guanine nucleotide exchange factor CDC25 Saccharomyces cerevisiae S288C 29-34 17462731-7 2008 Depletion of guanine nucleotides by MPA and AVN-944 also causes an early and near-complete reduction in levels of the 45S precursor rRNA synthesis and the concomitant translocation of nucleolar proteins including nucleolin, nucleophosmin, and nucleostemin from the nucleolus to the nucleoplasm. Guanine Nucleotides 13-32 nucleolin Homo sapiens 213-222 17462731-7 2008 Depletion of guanine nucleotides by MPA and AVN-944 also causes an early and near-complete reduction in levels of the 45S precursor rRNA synthesis and the concomitant translocation of nucleolar proteins including nucleolin, nucleophosmin, and nucleostemin from the nucleolus to the nucleoplasm. Guanine Nucleotides 13-32 nucleophosmin 1 Homo sapiens 224-237 17462731-7 2008 Depletion of guanine nucleotides by MPA and AVN-944 also causes an early and near-complete reduction in levels of the 45S precursor rRNA synthesis and the concomitant translocation of nucleolar proteins including nucleolin, nucleophosmin, and nucleostemin from the nucleolus to the nucleoplasm. Guanine Nucleotides 13-32 G protein nucleolar 3 Homo sapiens 243-255 18066058-3 2008 DOCK180 is a member of a new family of guanine nucleotide exchange factors for Rho GTPases. Guanine Nucleotides 39-57 dedicator of cytokinesis 1 Homo sapiens 0-7 17932039-7 2007 Furthermore, our biochemical analyses with recombinant Rac proteins found that EHT 1864 possesses high affinity binding to Rac1, as well as the related Rac1b, Rac2, and Rac3 isoforms, and this association promoted the loss of bound nucleotide, inhibiting both guanine nucleotide association and Tiam1 Rac guanine nucleotide exchange factor-stimulated exchange factor activity in vitro. Guanine Nucleotides 260-278 Rac family small GTPase 1 Homo sapiens 55-58 17932039-7 2007 Furthermore, our biochemical analyses with recombinant Rac proteins found that EHT 1864 possesses high affinity binding to Rac1, as well as the related Rac1b, Rac2, and Rac3 isoforms, and this association promoted the loss of bound nucleotide, inhibiting both guanine nucleotide association and Tiam1 Rac guanine nucleotide exchange factor-stimulated exchange factor activity in vitro. Guanine Nucleotides 260-278 Rac family small GTPase 1 Homo sapiens 123-127 17976838-3 2007 Rit signaling has been found to activate several downstream pathways including MEK/ERK, p38 MAPK, Ral-specific guanine nucleotide exchange factors (GEFs), and Rit associates with the Par6 cell polarity machinery. Guanine Nucleotides 111-129 RAS like proto-oncogene A Homo sapiens 98-101 17976838-3 2007 Rit signaling has been found to activate several downstream pathways including MEK/ERK, p38 MAPK, Ral-specific guanine nucleotide exchange factors (GEFs), and Rit associates with the Par6 cell polarity machinery. Guanine Nucleotides 111-129 Prader Willi/Angelman region RNA 6 Homo sapiens 183-187 18374160-5 2008 Our work suggests that EHT 1864 selectively inhibits Rac1 downstream signaling and cellular transformation by a novel mechanism involving guanine nucleotide displacement. Guanine Nucleotides 138-156 Rac family small GTPase 1 Homo sapiens 53-57 18374185-5 2008 Most tellingly, the BBSome associates with Rabin8, the guanine nucleotide exchange factor for the small GTPase Rab8, and Rab8-GTP enters the primary cilium to promote extension of the ciliary membrane. Guanine Nucleotides 55-73 RAB8A, member RAS oncogene family Homo sapiens 111-115 18178769-6 2008 When introduced into guard cells together with CA-ROP2, At RhoGDI1, which encodes a guanine nucleotide dissociation inhibitor, inhibited plasma membrane localization of CA-ROP2 and abolished the inhibitory effect of CA-ROP2 on light-induced stomatal opening, supporting the negative effect of active ROP2 on stomatal opening. Guanine Nucleotides 84-102 RHO-related protein from plants 2 Arabidopsis thaliana 50-54 18178769-6 2008 When introduced into guard cells together with CA-ROP2, At RhoGDI1, which encodes a guanine nucleotide dissociation inhibitor, inhibited plasma membrane localization of CA-ROP2 and abolished the inhibitory effect of CA-ROP2 on light-induced stomatal opening, supporting the negative effect of active ROP2 on stomatal opening. Guanine Nucleotides 84-102 Rho GDP dissociation inhibitor alpha Homo sapiens 59-66 18178769-6 2008 When introduced into guard cells together with CA-ROP2, At RhoGDI1, which encodes a guanine nucleotide dissociation inhibitor, inhibited plasma membrane localization of CA-ROP2 and abolished the inhibitory effect of CA-ROP2 on light-induced stomatal opening, supporting the negative effect of active ROP2 on stomatal opening. Guanine Nucleotides 84-102 RHO-related protein from plants 2 Arabidopsis thaliana 172-176 18178769-6 2008 When introduced into guard cells together with CA-ROP2, At RhoGDI1, which encodes a guanine nucleotide dissociation inhibitor, inhibited plasma membrane localization of CA-ROP2 and abolished the inhibitory effect of CA-ROP2 on light-induced stomatal opening, supporting the negative effect of active ROP2 on stomatal opening. Guanine Nucleotides 84-102 RHO-related protein from plants 2 Arabidopsis thaliana 172-176 18178769-6 2008 When introduced into guard cells together with CA-ROP2, At RhoGDI1, which encodes a guanine nucleotide dissociation inhibitor, inhibited plasma membrane localization of CA-ROP2 and abolished the inhibitory effect of CA-ROP2 on light-induced stomatal opening, supporting the negative effect of active ROP2 on stomatal opening. Guanine Nucleotides 84-102 RHO-related protein from plants 2 Arabidopsis thaliana 172-176 17932039-10 2007 Taken together, our results suggest that EHT 1864 selectively inhibits Rac downstream signaling and transformation by a novel mechanism involving guanine nucleotide displacement. Guanine Nucleotides 146-164 Rac family small GTPase 1 Homo sapiens 71-74 17727662-1 2007 The Saccharomyces cerevisiae CDC25 gene encodes a guanine nucleotide exchange factor for Ras proteins whose catalytic domain is highly homologous to Ras-guanine nucleotide exchange factors from higher eukaryotes. Guanine Nucleotides 153-171 Ras family guanine nucleotide exchange factor CDC25 Saccharomyces cerevisiae S288C 29-34 17950529-1 2007 Plexin-B1, Sema4D receptor, mediates retraction and extension signals in axon guidance by associating with PDZ-containing Rho guanine nucleotide exchange factors (PDZ-RhoGEFs) which can activate a small Rho GTPase RhoA. Guanine Nucleotides 126-144 plexin B1 Homo sapiens 0-9 17881726-0 2007 Kalirin/Trio Rho guanine nucleotide exchange factors regulate a novel step in secretory granule maturation. Guanine Nucleotides 17-35 kalirin RhoGEF kinase Homo sapiens 0-7 17881726-0 2007 Kalirin/Trio Rho guanine nucleotide exchange factors regulate a novel step in secretory granule maturation. Guanine Nucleotides 17-35 trio Rho guanine nucleotide exchange factor Homo sapiens 8-12 17950529-1 2007 Plexin-B1, Sema4D receptor, mediates retraction and extension signals in axon guidance by associating with PDZ-containing Rho guanine nucleotide exchange factors (PDZ-RhoGEFs) which can activate a small Rho GTPase RhoA. Guanine Nucleotides 126-144 semaphorin 4D Homo sapiens 11-17 17950529-1 2007 Plexin-B1, Sema4D receptor, mediates retraction and extension signals in axon guidance by associating with PDZ-containing Rho guanine nucleotide exchange factors (PDZ-RhoGEFs) which can activate a small Rho GTPase RhoA. Guanine Nucleotides 126-144 ras homolog family member A Homo sapiens 214-218 17709381-3 2007 Three effector pathways downstream of Ras, Raf/extracellular signal-regulated kinase (ERK), phosphatidylinositol 3-kinase, and Ral guanine nucleotide exchange factors (RalGEFs), were assayed for their ability to promote the metastasis of a tumorigenic, nonmetastatic human prostate cancer cell line, DU145. Guanine Nucleotides 131-149 RAS like proto-oncogene A Homo sapiens 127-130 17932569-4 2007 In this report, we provide genetic evidence that both the Vav family of Rho GTPase guanine nucleotide exchange factors (GEFs) and phospholipase C-gamma2 (PLC-gamma2) are critical mediators of adhesion-dependent ROI production by neutrophils in mice. Guanine Nucleotides 83-101 vav 1 oncogene Mus musculus 58-61 17987124-2 2007 The latter cycle is mediated by the Guanine Nucleotide Dissociation Inhibitor GDI, which can selectively extract GDP-bound Rab proteins from donor membranes, and then reload them on target membranes. Guanine Nucleotides 36-54 RAB5A, member RAS oncogene family Homo sapiens 123-126 17947407-4 2007 mrp-4(+) activity is required for the extracellular mislocalization of birefringent material, body-length retraction, and NaCl sensitivity, phenotypes associated with defective gut granule biogenesis exhibited by embryos lacking the activity of GLO-1/Rab38, a putative GLO-1 guanine nucleotide exchange factor GLO-4, and the AP-3 complex. Guanine Nucleotides 275-293 ATP binding cassette subfamily C member 4 Homo sapiens 0-5 17586837-2 2007 Mutations of SOS1, the gene encoding a guanine nucleotide exchange factor for Ras, have been the most recent discoveries in patients with NS, but this gene has not been studied in patients with CFCS. Guanine Nucleotides 39-57 SOS Ras/Rac guanine nucleotide exchange factor 1 Homo sapiens 13-17 17850229-0 2007 Regulation of Arf activation: the Sec7 family of guanine nucleotide exchange factors. Guanine Nucleotides 49-67 cytohesin 1 Homo sapiens 34-38 17850229-4 2007 The activation of Arfs is catalyzed by a family of guanine nucleotide exchange factors (GEFs), referred to as the Sec7 family, based on homology of their catalytic domains to the yeast Arf GEF, sec7p. Guanine Nucleotides 51-69 Arf family guanine nucleotide exchange factor SEC7 Saccharomyces cerevisiae S288C 114-118 17850229-4 2007 The activation of Arfs is catalyzed by a family of guanine nucleotide exchange factors (GEFs), referred to as the Sec7 family, based on homology of their catalytic domains to the yeast Arf GEF, sec7p. Guanine Nucleotides 51-69 Arf family guanine nucleotide exchange factor SEC7 Saccharomyces cerevisiae S288C 194-199 17702745-13 2007 FGFR-mediated phosphorylation of ephexin1 enhances the guanine nucleotide exchange activity toward RhoA without affecting the activity to Rac1 or Cdc42. Guanine Nucleotides 55-73 neuronal guanine nucleotide exchange factor Homo sapiens 33-41 17702745-13 2007 FGFR-mediated phosphorylation of ephexin1 enhances the guanine nucleotide exchange activity toward RhoA without affecting the activity to Rac1 or Cdc42. Guanine Nucleotides 55-73 ras homolog family member A Homo sapiens 99-103 17640864-0 2007 Interactions between conserved domains within homodimers in the BIG1, BIG2, and GBF1 Arf guanine nucleotide exchange factors. Guanine Nucleotides 89-107 Big1p Saccharomyces cerevisiae S288C 64-68 17897845-1 2007 H-, N- and K-ras4B are lipid-anchored, peripheral membrane guanine nucleotide binding proteins. Guanine Nucleotides 59-77 KRAS proto-oncogene, GTPase Homo sapiens 0-18 17640864-0 2007 Interactions between conserved domains within homodimers in the BIG1, BIG2, and GBF1 Arf guanine nucleotide exchange factors. Guanine Nucleotides 89-107 golgi brefeldin A resistant guanine nucleotide exchange factor 1 Homo sapiens 80-84 17686471-5 2007 To form these membrane protrusions, Rac1 is activated by guanine nucleotide exchange factors (GEFs) that catalyze the exchange of GDP for GTP. Guanine Nucleotides 57-75 Rac family small GTPase 1 Homo sapiens 36-40 18188419-1 2007 Y95B8A.12 gene of C. elegans encodes RhoGEF domain, which is a novel module in the Guanine nucleotide exchange factors (GEFs). Guanine Nucleotides 83-101 Pleckstrin homology and RHoGef (RhoGEF) domain containing Caenorhabditis elegans 0-9 17786213-3 2007 Exchange of GDP for GTP on Arf6 is performed by a variety of guanine nucleotide exchange factors (GEFs), principally of the cytohesin (PSCD) and EFA6 (PSD) families. Guanine Nucleotides 61-79 ADP ribosylation factor 6 Homo sapiens 27-31 17725712-2 2007 Proteomic analysis of proteins coimmunoprecipitated with Kv4.3 revealed that Kv4.3 is associated with Rap guanine nucleotide exchange factors MR-GEF and EPAC-1. Guanine Nucleotides 106-124 potassium voltage-gated channel subfamily D member 3 Homo sapiens 57-62 17725712-2 2007 Proteomic analysis of proteins coimmunoprecipitated with Kv4.3 revealed that Kv4.3 is associated with Rap guanine nucleotide exchange factors MR-GEF and EPAC-1. Guanine Nucleotides 106-124 potassium voltage-gated channel subfamily D member 3 Homo sapiens 77-82 17725712-2 2007 Proteomic analysis of proteins coimmunoprecipitated with Kv4.3 revealed that Kv4.3 is associated with Rap guanine nucleotide exchange factors MR-GEF and EPAC-1. Guanine Nucleotides 106-124 Rap guanine nucleotide exchange factor 5 Homo sapiens 142-148 17725712-2 2007 Proteomic analysis of proteins coimmunoprecipitated with Kv4.3 revealed that Kv4.3 is associated with Rap guanine nucleotide exchange factors MR-GEF and EPAC-1. Guanine Nucleotides 106-124 Rap guanine nucleotide exchange factor 3 Homo sapiens 153-159 17565009-8 2007 It was hypothesized that the A(2B)AR-mediated ERK1/2 activation may involve exchange protein activated by cAMP (Epac), a cAMP-activated guanine nucleotide exchange factor for Rap GTPases. Guanine Nucleotides 136-154 mitogen-activated protein kinase 3 Homo sapiens 46-52 17565009-8 2007 It was hypothesized that the A(2B)AR-mediated ERK1/2 activation may involve exchange protein activated by cAMP (Epac), a cAMP-activated guanine nucleotide exchange factor for Rap GTPases. Guanine Nucleotides 136-154 Rap guanine nucleotide exchange factor 3 Homo sapiens 112-116 17584745-0 2007 Kelch repeat protein interacts with the yeast Galpha subunit Gpa2p at a site that couples receptor binding to guanine nucleotide exchange. Guanine Nucleotides 110-128 guanine nucleotide-binding protein subunit alpha Saccharomyces cerevisiae S288C 61-66 17688947-3 2007 Using this vector, we targeted Ect2, a gene encoding a guanine nucleotide exchange factor for several small GTPases, in human cell lines. Guanine Nucleotides 55-73 epithelial cell transforming 2 Homo sapiens 31-35 17591772-4 2007 As with other known Gbeta proteins, Asc1 has a 7-WD domain structure, interacts directly with the Galpha in a guanine nucleotide-dependent manner, and inhibits Galpha guanine nucleotide exchange activity. Guanine Nucleotides 110-128 guanine nucleotide-binding protein subunit beta Saccharomyces cerevisiae S288C 36-40 17591772-4 2007 As with other known Gbeta proteins, Asc1 has a 7-WD domain structure, interacts directly with the Galpha in a guanine nucleotide-dependent manner, and inhibits Galpha guanine nucleotide exchange activity. Guanine Nucleotides 167-185 guanine nucleotide-binding protein subunit beta Saccharomyces cerevisiae S288C 36-40 17584745-7 2007 Residues Gln-419 and Asn-425 are located in the beta6-alpha5 loop and alpha5 helix of Gpa2p, which is the region that couples receptor binding to guanine nucleotide exchange. Guanine Nucleotides 146-164 guanine nucleotide-binding protein subunit alpha Saccharomyces cerevisiae S288C 86-91 17550897-2 2007 Vav1 consists of multiple structural domains so as to facilitate both its guanine nucleotide exchange activity and scaffold function following T cell antigen receptor (TCR) engagement. Guanine Nucleotides 74-92 vav guanine nucleotide exchange factor 1 Homo sapiens 0-4 17467235-2 2007 One role for GIT proteins is to link the PIX family of Rho guanine nucleotide exchange factors and their binding partners, the p21-activated protein kinases, to remodeling focal adhesions by interacting with the focal adhesion adaptor protein paxillin. Guanine Nucleotides 59-77 paxillin Homo sapiens 243-251 19384428-2 2007 IMP alpha recognises specific targeting signals on cargo proteins, while IMP beta1 mediates passage into, and release within, the nucleus by interacting with other components of the transport machinery, including the monomeric guanine nucleotide binding protein Ran. Guanine Nucleotides 227-245 RAN, member RAS oncogene family Mus musculus 262-265 17577583-1 2007 CASP is a small cytokine-inducible protein, primarily expressed in hematopoetic cells, which associates with members of the Cytohesin/ARNO family of guanine nucleotide-exchange factors. Guanine Nucleotides 149-167 cytohesin 1 interacting protein Homo sapiens 0-4 17538024-4 2007 Mechanistically, we show that the recruitment of the ERM-interacting Rho/Cdc42-specific guanine nucleotide exchange factor Dbl to the plasma membrane and to lipid raft microdomains requires the phosphorylated, active conformer of ezrin, which serves to tether the plasma membrane or its subdomains to the cytoskeleton. Guanine Nucleotides 88-106 cell division cycle 42 Homo sapiens 73-78 17657315-1 2007 SWAP-70-like adapter of T cells (SLAT) is a novel guanine nucleotide exchange factor for Rho GTPases that is upregulated in Th2 cells, but whose physiological function is unclear. Guanine Nucleotides 50-68 differentially expressed in FDCP 6 Mus musculus 33-37 17657315-1 2007 SWAP-70-like adapter of T cells (SLAT) is a novel guanine nucleotide exchange factor for Rho GTPases that is upregulated in Th2 cells, but whose physiological function is unclear. Guanine Nucleotides 50-68 heart and neural crest derivatives expressed 2 Mus musculus 124-127 17570359-5 2007 Previous studies have shown that RhoG activates Rac1 and induces several cellular functions including promotion of cell migration through its effector ELMO and the ELMO-binding protein Dock180 that function as a Rac-specific guanine nucleotide exchange factor. Guanine Nucleotides 225-243 ras homolog family member G Homo sapiens 33-37 17570359-5 2007 Previous studies have shown that RhoG activates Rac1 and induces several cellular functions including promotion of cell migration through its effector ELMO and the ELMO-binding protein Dock180 that function as a Rac-specific guanine nucleotide exchange factor. Guanine Nucleotides 225-243 Rac family small GTPase 1 Homo sapiens 48-52 17570359-5 2007 Previous studies have shown that RhoG activates Rac1 and induces several cellular functions including promotion of cell migration through its effector ELMO and the ELMO-binding protein Dock180 that function as a Rac-specific guanine nucleotide exchange factor. Guanine Nucleotides 225-243 dedicator of cytokinesis 1 Homo sapiens 185-192 17538012-3 2007 RA-GEF-2 is a member of the multiple-member family of guanine nucleotide exchange factors (GEFs) for Rap1 and characterized by the possession of a Ras/Rap1-associating domain, interacting with M-Ras-GTP as an effector, in addition to the GEF catalytic domain. Guanine Nucleotides 54-72 Rap guanine nucleotide exchange factor (GEF) 6 Mus musculus 0-8 17538012-3 2007 RA-GEF-2 is a member of the multiple-member family of guanine nucleotide exchange factors (GEFs) for Rap1 and characterized by the possession of a Ras/Rap1-associating domain, interacting with M-Ras-GTP as an effector, in addition to the GEF catalytic domain. Guanine Nucleotides 54-72 RAS-related protein 1a Mus musculus 101-105 17538012-3 2007 RA-GEF-2 is a member of the multiple-member family of guanine nucleotide exchange factors (GEFs) for Rap1 and characterized by the possession of a Ras/Rap1-associating domain, interacting with M-Ras-GTP as an effector, in addition to the GEF catalytic domain. Guanine Nucleotides 54-72 RAS-related protein 1a Mus musculus 151-155 17538012-3 2007 RA-GEF-2 is a member of the multiple-member family of guanine nucleotide exchange factors (GEFs) for Rap1 and characterized by the possession of a Ras/Rap1-associating domain, interacting with M-Ras-GTP as an effector, in addition to the GEF catalytic domain. Guanine Nucleotides 54-72 muscle and microspikes RAS Mus musculus 193-198 17538024-4 2007 Mechanistically, we show that the recruitment of the ERM-interacting Rho/Cdc42-specific guanine nucleotide exchange factor Dbl to the plasma membrane and to lipid raft microdomains requires the phosphorylated, active conformer of ezrin, which serves to tether the plasma membrane or its subdomains to the cytoskeleton. Guanine Nucleotides 88-106 MCF.2 cell line derived transforming sequence Homo sapiens 123-126 17538024-5 2007 Together these data suggest a mechanism whereby precise spatial guanine nucleotide exchange of Cdc42 by Dbl is dependent on functional ERM proteins and is important for directional cell migration. Guanine Nucleotides 64-82 cell division cycle 42 Homo sapiens 95-100 17538024-5 2007 Together these data suggest a mechanism whereby precise spatial guanine nucleotide exchange of Cdc42 by Dbl is dependent on functional ERM proteins and is important for directional cell migration. Guanine Nucleotides 64-82 MCF.2 cell line derived transforming sequence Homo sapiens 104-107 17765544-4 2007 Two distinct families of GEFs for Rho GTPases have been reported so far, based on the features of their catalytic domains: firstly, the classical GEFs, which contain a Dbl homology-pleckstrin homology domain module with GEF activity, and secondly, the Dock180-related GEFs, which contain a Dock homology region-2 domain that catalyzes guanine nucleotide exchange on Rho GTPases. Guanine Nucleotides 335-353 Rho/Rac guanine nucleotide exchange factor 2 Homo sapiens 25-28 17765544-4 2007 Two distinct families of GEFs for Rho GTPases have been reported so far, based on the features of their catalytic domains: firstly, the classical GEFs, which contain a Dbl homology-pleckstrin homology domain module with GEF activity, and secondly, the Dock180-related GEFs, which contain a Dock homology region-2 domain that catalyzes guanine nucleotide exchange on Rho GTPases. Guanine Nucleotides 335-353 dedicator of cytokinesis 1 Homo sapiens 252-259 17491018-5 2007 These effects are due to the action of a downstream cAMP effector, Epac, a guanine nucleotide exchange-activating protein for Rap1 (RAP1-GEF). Guanine Nucleotides 75-93 Rap guanine nucleotide exchange factor 3 Homo sapiens 67-71 17297440-1 2007 PIKE-A (phosphoinositide 3-kinases (PI 3)-kinase enhancer) is a ubiquitously expressed GTPase, which binds to and enhances protein kinase B (Akt) kinase activity in a guanine nucleotide-dependent manner. Guanine Nucleotides 167-185 ArfGAP with GTPase domain, ankyrin repeat and PH domain 2 Homo sapiens 0-4 17297440-1 2007 PIKE-A (phosphoinositide 3-kinases (PI 3)-kinase enhancer) is a ubiquitously expressed GTPase, which binds to and enhances protein kinase B (Akt) kinase activity in a guanine nucleotide-dependent manner. Guanine Nucleotides 167-185 AKT serine/threonine kinase 1 Homo sapiens 141-144 17502379-5 2007 Mutants of Rheb, which do not bind guanine nucleotide (D60K, D60V, N119I, and D122N) and are unable to activate mTOR, inhibit the activity of HIF when overexpressed. Guanine Nucleotides 35-53 Ras homolog, mTORC1 binding Homo sapiens 11-15 17491018-5 2007 These effects are due to the action of a downstream cAMP effector, Epac, a guanine nucleotide exchange-activating protein for Rap1 (RAP1-GEF). Guanine Nucleotides 75-93 RAB guanine nucleotide exchange factor 1 Homo sapiens 126-130 17491018-5 2007 These effects are due to the action of a downstream cAMP effector, Epac, a guanine nucleotide exchange-activating protein for Rap1 (RAP1-GEF). Guanine Nucleotides 75-93 RAB guanine nucleotide exchange factor 1 Homo sapiens 132-136 17512538-1 2007 In eukaryotic translation initiation, eIF2GTP-Met-tRNA(i)(Met) ternary complex (TC) interacts with eIF3-eIF1-eIF5 complex to form the multifactor complex (MFC), while eIF2GDP associates with eIF2B for guanine nucleotide exchange. Guanine Nucleotides 201-219 eukaryotic translation initiation factor 3 subunit A Homo sapiens 99-103 17512538-1 2007 In eukaryotic translation initiation, eIF2GTP-Met-tRNA(i)(Met) ternary complex (TC) interacts with eIF3-eIF1-eIF5 complex to form the multifactor complex (MFC), while eIF2GDP associates with eIF2B for guanine nucleotide exchange. Guanine Nucleotides 201-219 eukaryotic translation initiation factor 1 Homo sapiens 104-108 17512538-1 2007 In eukaryotic translation initiation, eIF2GTP-Met-tRNA(i)(Met) ternary complex (TC) interacts with eIF3-eIF1-eIF5 complex to form the multifactor complex (MFC), while eIF2GDP associates with eIF2B for guanine nucleotide exchange. Guanine Nucleotides 201-219 eukaryotic translation initiation factor 5 Homo sapiens 109-113 17512538-1 2007 In eukaryotic translation initiation, eIF2GTP-Met-tRNA(i)(Met) ternary complex (TC) interacts with eIF3-eIF1-eIF5 complex to form the multifactor complex (MFC), while eIF2GDP associates with eIF2B for guanine nucleotide exchange. Guanine Nucleotides 201-219 eukaryotic translation initiation factor 2 subunit beta Homo sapiens 38-42 17512538-1 2007 In eukaryotic translation initiation, eIF2GTP-Met-tRNA(i)(Met) ternary complex (TC) interacts with eIF3-eIF1-eIF5 complex to form the multifactor complex (MFC), while eIF2GDP associates with eIF2B for guanine nucleotide exchange. Guanine Nucleotides 201-219 eukaryotic translation initiation factor 2B subunit delta Homo sapiens 191-196