PMID-sentid Pub_year Sent_text comp_official_name comp_offset protein_name organism prot_offset 9939879-0 1986 Evidence for a reversible structural transformation in the metallic glass Co58Ni10Fe5B16 Si11. co58ni10fe5b16 74-88 helicase for meiosis 1 Homo sapiens 89-93 33340543-7 2021 Our findings suggest that mechanoregulation, which may be provided by a directly bound RNA-dependent RNA polymerase, enables on-demand helicase activity on the relevant polynucleotide substrate during viral replication. Polynucleotides 169-183 helicase for meiosis 1 Homo sapiens 135-143 34036784-6 2021 Here, we introduce an RNA helicase assay based on graphene oxide, which enables fluorescence-based analysis of RNA substrate-specific helicase enzyme activity. graphene oxide 50-64 helicase for meiosis 1 Homo sapiens 26-34 34036784-6 2021 Here, we introduce an RNA helicase assay based on graphene oxide, which enables fluorescence-based analysis of RNA substrate-specific helicase enzyme activity. graphene oxide 50-64 helicase for meiosis 1 Homo sapiens 134-142 34036784-7 2021 This assay demonstrated high reliability and ability for high-throughput screening, identifying a new helicase inhibitor candidate, micafungin (MCFG), from an FDA-approved drug library. Micafungin 132-142 helicase for meiosis 1 Homo sapiens 102-110 34036784-7 2021 This assay demonstrated high reliability and ability for high-throughput screening, identifying a new helicase inhibitor candidate, micafungin (MCFG), from an FDA-approved drug library. Micafungin 144-148 helicase for meiosis 1 Homo sapiens 102-110 33986405-0 2021 Repurposing potential of posaconazole and grazoprevir as inhibitors of SARS-CoV-2 helicase. posaconazole 25-37 helicase for meiosis 1 Homo sapiens 82-90 33986405-0 2021 Repurposing potential of posaconazole and grazoprevir as inhibitors of SARS-CoV-2 helicase. grazoprevir 42-53 helicase for meiosis 1 Homo sapiens 82-90 33787991-5 2021 However, single substitutions of R50, K94 or H24 or a simultaneous four-residue substitution resulted in apparent changes in the helicase activity and RNA-binding ability of NS3. NV-5138 38-41 helicase for meiosis 1 Homo sapiens 129-137 33787991-5 2021 However, single substitutions of R50, K94 or H24 or a simultaneous four-residue substitution resulted in apparent changes in the helicase activity and RNA-binding ability of NS3. CHEMBL1233206 45-48 helicase for meiosis 1 Homo sapiens 129-137 33855846-0 2021 A Helicase Unwinds Hexanucleotide Repeat RNA G-Quadruplexes and Facilitates Repeat-Associated Non-AUG Translation. hexanucleotide 19-33 helicase for meiosis 1 Homo sapiens 2-10 33846247-0 2021 Helicase-like functions in phosphate loop containing beta-alpha polypeptides. Phosphates 27-36 helicase for meiosis 1 Homo sapiens 0-8 32980406-10 2020 Results suggest that the cangrelor, fludarabine, folic acid and polydatin were the most potent drugs which had potency to inhibit both the wild type and mutant SARS-CoV-2 helicase. fludarabine 36-47 helicase for meiosis 1 Homo sapiens 171-179 33520683-8 2021 Among them, quercetin, one of the most abundant of plant flavonoids, is proposed as a lead candidate with its ability on the virus side to inhibit SARS-CoV spike protein-angiotensin-converting enzyme 2 (ACE2) interaction, viral protease and helicase activities, as well as on the host cell side to inhibit ACE activity and increase intracellular zinc level. Quercetin 12-21 helicase for meiosis 1 Homo sapiens 241-249 33520683-8 2021 Among them, quercetin, one of the most abundant of plant flavonoids, is proposed as a lead candidate with its ability on the virus side to inhibit SARS-CoV spike protein-angiotensin-converting enzyme 2 (ACE2) interaction, viral protease and helicase activities, as well as on the host cell side to inhibit ACE activity and increase intracellular zinc level. Flavonoids 57-67 helicase for meiosis 1 Homo sapiens 241-249 33393898-10 2021 During infection of an exposed host cell, viral-encoded protease cleaves the polyprotein that results from translation of 5" open reading frame (ORF) of the genome, culminating in releasing of multiple nonstructural proteins such as helicase (Hel), adenosine triphosphate (ATPase) and RNA-dependent RNA polymerase (Rep). Adenosine 249-258 helicase for meiosis 1 Homo sapiens 233-241 33393898-10 2021 During infection of an exposed host cell, viral-encoded protease cleaves the polyprotein that results from translation of 5" open reading frame (ORF) of the genome, culminating in releasing of multiple nonstructural proteins such as helicase (Hel), adenosine triphosphate (ATPase) and RNA-dependent RNA polymerase (Rep). Adenosine 249-258 helicase for meiosis 1 Homo sapiens 243-246 33459340-3 2021 Another dsRNA binding protein PACT, originally identified as the cellular protein activator of dsRNA-activated protein kinase (PKR), is known to enhance RIG-I signaling in response to polyI:C treatment, in part by stimulating RIG-I"s ATPase and helicase activities. Poly I-C 184-191 helicase for meiosis 1 Homo sapiens 245-253 32980406-10 2020 Results suggest that the cangrelor, fludarabine, folic acid and polydatin were the most potent drugs which had potency to inhibit both the wild type and mutant SARS-CoV-2 helicase. Folic Acid 49-59 helicase for meiosis 1 Homo sapiens 171-179 32980406-10 2020 Results suggest that the cangrelor, fludarabine, folic acid and polydatin were the most potent drugs which had potency to inhibit both the wild type and mutant SARS-CoV-2 helicase. polydatin 64-73 helicase for meiosis 1 Homo sapiens 171-179 32712315-10 2020 Although Cys-rich derived CPPs of helicase (NSP13) can potentially fold into a cyclic conformation in endosomes with a higher rate of endosomal release, the most optimal SCV2-CPP candidates as vectors for drug delivery were SCV2-CPP118, SCV2-CPP119, SCV2-CPP122, and SCV2-CPP129 of NSP12 (RdRp). Cysteine 9-12 helicase for meiosis 1 Homo sapiens 34-42 33102585-10 2020 Through the analyses performed in this study, it is concluded that EryvarinM, Silydianin, Osajin, and Raddeanine can be considered potential inhibitors for MTase, while TomentodiplaconeB, Osajin, Sesquiterpene Glycoside, Rhamnetin, and Silydianin for helicase after these compounds are validated thoroughly using in vitro and in vivo protocols. eryvarinm 67-76 helicase for meiosis 1 Homo sapiens 251-259 33102585-10 2020 Through the analyses performed in this study, it is concluded that EryvarinM, Silydianin, Osajin, and Raddeanine can be considered potential inhibitors for MTase, while TomentodiplaconeB, Osajin, Sesquiterpene Glycoside, Rhamnetin, and Silydianin for helicase after these compounds are validated thoroughly using in vitro and in vivo protocols. peiminine 102-112 helicase for meiosis 1 Homo sapiens 251-259 29947898-5 2018 In this study, we introduce a novel system that combines thermophilic helicase-dependent amplification (tHDA) with a Triton X-100 micellar aqueous two-phase system (ATPS) to achieve cell lysis, lysate processing, and enhanced nucleic acid amplification in a simple, one-step process. thda 104-108 helicase for meiosis 1 Homo sapiens 70-78 32686993-5 2021 Among the predicted drugs compounds, clemizole, monorden, spironolactone and tanespimycin showed high binding energies; among the studied repurposing compounds, remdesivir, simeprevir and valinomycin showed high binding energies; among the predicted acidic compounds, acetylursolic acid and hardwickiic acid gave high binding energies; while among the studied anthraquinones and glycosides compounds, ellagitannin and friedelanone showed high binding energies against 3-Chymotrypsin-like protease (3CLpro), Papain-like protease (PLpro), helicase (nsp13), RNA-dependent RNA polymerase (nsp12), 2"-O-ribose methyltransferase (nsp16) of SARS-CoV-2 and DNA-PK and CK2alpha in human. remdesivir 161-171 helicase for meiosis 1 Homo sapiens 537-545 32545268-4 2020 Our in silico studies show that these flavonoid-based molecules can bind with high affinity to the spike protein, helicase, and protease sites on the ACE2 receptor used by the severe acute respiratory syndrome coronavirus 2 to infect cells and cause COVID-19. Flavonoids 38-47 helicase for meiosis 1 Homo sapiens 114-122 32494136-0 2020 Hepatitis C Virus NS3 Protease and Helicase Inhibitors from Red Sea Sponge (Amphimedon) Species in Green Synthesized Silver Nanoparticles Assisted by in Silico Modeling and Metabolic Profiling. Silver 117-123 helicase for meiosis 1 Homo sapiens 35-43 32161317-0 2020 A high ATP concentration enhances the cooperative translocation of the SARS coronavirus helicase nsP13 in the unwinding of duplex RNA. Adenosine Triphosphate 7-10 helicase for meiosis 1 Homo sapiens 88-96 32161317-10 2020 Our results suggest that duplex RNA is a preferred substrate for the helicase activity of nsP13 than duplex DNA at high ATP concentrations. Adenosine Triphosphate 120-123 helicase for meiosis 1 Homo sapiens 69-77 31484077-0 2019 Molecular Basis for ATP-Hydrolysis-Driven DNA Translocation by the CMG Helicase of the Eukaryotic Replisome. Adenosine Triphosphate 20-23 helicase for meiosis 1 Homo sapiens 71-79 30528389-0 2019 RNAi-mediated knockdown of the Rhau helicase preferentially depletes proteins with a Guanine-quadruplex motif in the 5"-UTR of their mRNA. Guanine 85-92 helicase for meiosis 1 Homo sapiens 36-44 30326355-0 2018 Inhibitory mechanism of 5-bromo-3-indoleacetic acid for non-structural-3 helicase hepatitis C virus with dynamics correlation network analysis. 5-Bromoindole-3-acetic acid 24-51 helicase for meiosis 1 Homo sapiens 73-81 30326355-3 2018 Compound 2t9 (5-bromo-1H-indol-3-yl acetic acid) has been identified through the integrated strategies and considered as a potential lead compound for the inactivation of HCV helicase. 5-bromo-1h-indol-3-yl acetic acid 14-47 helicase for meiosis 1 Homo sapiens 175-183 30184107-6 2018 10 and 11 to alanine had similar effect to the deletion mutant of Delta1-35, suggesting that these arginine play a role in the DNA helicase activity. Arginine 99-107 helicase for meiosis 1 Homo sapiens 131-139 29883747-0 2018 Consecutive ribonucleoside monophosphates on template inhibit DNA replication by T7 DNA polymerase or by T7 polymerase and helicase complex. ribonucleoside monophosphates 12-41 helicase for meiosis 1 Homo sapiens 123-131 32766580-7 2020 Our findings suggest that mechanoregulation, which may be provided by a directly bound RNA-dependent RNA polymerase, enables on-demand helicase activity on the relevant polynucleotide substrate during viral replication. Polynucleotides 169-183 helicase for meiosis 1 Homo sapiens 135-143 31955138-0 2020 Design, synthesis and molecular docking of novel triazole derivatives as potential CoV helicase inhibitors. Triazoles 49-57 helicase for meiosis 1 Homo sapiens 87-95 31955138-2 2020 Herein we investigated the anti-MERS-CoV activity of newly synthesized sixteen halogenated triazole compounds through the inhibition of helicase activity using the FRET assay. halogenated triazole 79-99 helicase for meiosis 1 Homo sapiens 136-144 32399096-6 2020 The functional binding pockets of the clinically approved drugs on SARS-CoV-2 helicase protein molecule suggest that vapreotide and atazanavir may interrupt the activities of the SARS-CoV-2 helicase. Atazanavir Sulfate 132-142 helicase for meiosis 1 Homo sapiens 78-86 32399096-6 2020 The functional binding pockets of the clinically approved drugs on SARS-CoV-2 helicase protein molecule suggest that vapreotide and atazanavir may interrupt the activities of the SARS-CoV-2 helicase. Atazanavir Sulfate 132-142 helicase for meiosis 1 Homo sapiens 190-198 32179686-10 2020 Concomitantly, RNA affinity, helicase, and ATPase activity of DHX15 are increased when G-patch is bound. g-patch 87-94 helicase for meiosis 1 Homo sapiens 29-37 31980818-7 2020 Powered by ATP, the helicase motor reels in the target DNA, until it encounters the roadblock en route, which stimulates the HD nuclease. Adenosine Triphosphate 11-14 helicase for meiosis 1 Homo sapiens 20-28 31914411-2 2020 This activity is provided by the C-terminal helicase domain of viral nonstructural protein 3 (NS3). Carbon 33-34 helicase for meiosis 1 Homo sapiens 44-52 31914411-11 2020 These results help define the linkage between ATP hydrolysis and helicase activities within NS3 and provide insight into the biophysical mechanisms for ATPase-driven NS3 helicase function. Adenosine Triphosphate 46-49 helicase for meiosis 1 Homo sapiens 65-73 31914411-11 2020 These results help define the linkage between ATP hydrolysis and helicase activities within NS3 and provide insight into the biophysical mechanisms for ATPase-driven NS3 helicase function. Adenosine Triphosphate 46-49 helicase for meiosis 1 Homo sapiens 170-178 31857280-1 2019 SMARCAL1 is an ATP-driven DNA annealing helicase that is similar in structure to the chromatin regulators in the subfamily A group of the SWI/SNF-related matrix-associated actin-dependent chromatin regulators. Adenosine Triphosphate 15-18 helicase for meiosis 1 Homo sapiens 40-48 31422817-1 2019 The human RNA helicase DDX6 is an essential component of membrane-less organelles called processing bodies (PBs). pbs 108-111 helicase for meiosis 1 Homo sapiens 14-22 31152759-3 2019 The UL23, UL30, and UL5 genes are of greatest interest as these encode, respectively, thymidine kinase, DNA polymerase, and helicase, which, if mutated may affect the effectiveness of acyclovir, foscarnet, cidofovir, and helicase-primase inhibitors. Acyclovir 184-193 helicase for meiosis 1 Homo sapiens 124-132 31152759-3 2019 The UL23, UL30, and UL5 genes are of greatest interest as these encode, respectively, thymidine kinase, DNA polymerase, and helicase, which, if mutated may affect the effectiveness of acyclovir, foscarnet, cidofovir, and helicase-primase inhibitors. Foscarnet 195-204 helicase for meiosis 1 Homo sapiens 124-132 31152759-3 2019 The UL23, UL30, and UL5 genes are of greatest interest as these encode, respectively, thymidine kinase, DNA polymerase, and helicase, which, if mutated may affect the effectiveness of acyclovir, foscarnet, cidofovir, and helicase-primase inhibitors. Cidofovir 206-215 helicase for meiosis 1 Homo sapiens 124-132 30144409-1 2018 in powdered infant formula by thermophilic helicase-dependent isothermal amplification combined with silica-coated magnetic particles separation. Silicon Dioxide 101-107 helicase for meiosis 1 Homo sapiens 43-51 30144409-5 2018 In the present study, a thermophilic helicase-dependent isothermal amplification (tHDA) based method combined with silica-coated magnetic nanoparticles (Si-MNPs) as a DNA separator for rapid and sensitive detection of Cronobacter has been developed. thda 82-86 helicase for meiosis 1 Homo sapiens 37-45 29853604-6 2018 Our data identify the helicase/NFkappaB/TNFalpha/COX2 axis as the key suppressive pathway of dsRNA signaling in human TME and suggest that selective targeting of TLR3 or elimination of NFkappaB/TNFalpha/COX2-driven suppression may allow for selective enhancement of type-1 immunity.Significance: This study characterizes two different poly-I:C-induced signaling pathways in their induction of immunostimulatory and suppressive factors and suggests improved ways to reprogram the TME to enhance the antitumor efficacy of immunotherapies. Poly I 335-341 helicase for meiosis 1 Homo sapiens 22-30 29853604-6 2018 Our data identify the helicase/NFkappaB/TNFalpha/COX2 axis as the key suppressive pathway of dsRNA signaling in human TME and suggest that selective targeting of TLR3 or elimination of NFkappaB/TNFalpha/COX2-driven suppression may allow for selective enhancement of type-1 immunity.Significance: This study characterizes two different poly-I:C-induced signaling pathways in their induction of immunostimulatory and suppressive factors and suggests improved ways to reprogram the TME to enhance the antitumor efficacy of immunotherapies. Carbon 49-50 helicase for meiosis 1 Homo sapiens 22-30 29880725-5 2018 An additional 4.7-angstrom-resolution cryo-EM structure captures the postnicking state, in which the severed NTS retracts to the helicase entrance, to be threaded for adenosine 5"-triphosphate-dependent processive degradation. Adenosine Triphosphate 167-192 helicase for meiosis 1 Homo sapiens 129-137 29633968-3 2018 Here, crystal structures of apo and AMPPNP- and Mn2+-bound forms of the essential helicase of ZIKV refined to 1.78 and 1.3 A resolution, respectively, are reported. Manganese(2+) 48-52 helicase for meiosis 1 Homo sapiens 82-90 30637700-9 2018 The apoptosis-inducing agent (e.g., cis-platin) showed inhibition of DNA polymerase/helicase (part of the replisomes) and also modulated (positively) a few glycolipid-glycosyltransferase (GSL-GLTs) transcriptions in the early stages (within 2 h after treatment) of apoptosis. Cisplatin 36-46 helicase for meiosis 1 Homo sapiens 84-92 29165676-1 2018 Mycobacterial Lhr is a DNA damage-inducible superfamily 2 helicase that uses adenosine triphosphate (ATP) hydrolysis to drive unidirectional 3"-to-5" translocation along single-stranded DNA (ssDNA) and to unwind RNA:DNA duplexes en route. Adenosine Triphosphate 77-99 helicase for meiosis 1 Homo sapiens 58-66 29165676-1 2018 Mycobacterial Lhr is a DNA damage-inducible superfamily 2 helicase that uses adenosine triphosphate (ATP) hydrolysis to drive unidirectional 3"-to-5" translocation along single-stranded DNA (ssDNA) and to unwind RNA:DNA duplexes en route. Adenosine Triphosphate 101-104 helicase for meiosis 1 Homo sapiens 58-66 29165676-3 2018 The crystal structure of Lhr-(1-856) in complex with AMPPNP Mg2+ and ssDNA defines a new helicase family. magnesium ion 60-64 helicase for meiosis 1 Homo sapiens 89-97 28457609-2 2017 They are bifunctional enzymes containing a trans-esterase activity, which is responsible for nicking the DNA strand to be transferred and for covalent attachment to the resulting 5"-phosphate end, and a helicase activity, which is responsible for unwinding the DNA while it is being transported to a recipient cell. Phosphates 182-191 helicase for meiosis 1 Homo sapiens 203-211 29534608-3 2018 This review summarizes available information on antiviral research of nucleoside analogs against arthropod-borne members of the genus Flavivirus within the family Flaviviridae, being primarily focused on description of nucleoside inhibitors of flaviviral RNA-dependent RNA polymerase, methyltransferase, and helicase/NTPase. Nucleosides 70-80 helicase for meiosis 1 Homo sapiens 308-316 29078357-3 2017 SPRNT reveals two mechanical substates of the ATP hydrolysis cycle of the superfamily 2 helicase Hel308 during translocation on single-stranded DNA (ssDNA). Adenosine Triphosphate 46-49 helicase for meiosis 1 Homo sapiens 88-96 28782763-0 2017 Solid-phase helicase dependent amplification and electrochemical detection of Salmonella on highly stable oligonucleotide-modified ITO electrodes. Oligonucleotides 106-121 helicase for meiosis 1 Homo sapiens 12-20 28526589-3 2017 In this study, we developed a rapid, simple and portable Salmonella detection strategy that combines thermophilic helicase-dependent amplification (tHDA) with a lateral flow assay to provide a detection result based on visual signals within 90 min. thda 148-152 helicase for meiosis 1 Homo sapiens 114-122 27173619-5 2016 The 2-aminopurine fluorescence-based method provide structural information on the leading strand helicase-polymerase complex, such as the distance between the two enzymes, their relative positions at the replication fork, and their roles in fork junction melting. 2-Aminopurine 4-17 helicase for meiosis 1 Homo sapiens 97-105 28100692-3 2017 In this study, we have determined crystal structures of the core helicase domain of RECQL5 both with and without the nucleotide ADP in two distinctly different ("Open" and "Closed") conformations. Adenosine Diphosphate 128-131 helicase for meiosis 1 Homo sapiens 65-73 27810598-0 2017 In silico identification, design and synthesis of novel piperazine-based antiviral agents targeting the hepatitis C virus helicase. Piperazine 56-66 helicase for meiosis 1 Homo sapiens 122-130 28180308-0 2017 Functional link between DEAH/RHA helicase Prp43 activation and ATP base binding. Adenosine Triphosphate 63-66 helicase for meiosis 1 Homo sapiens 33-41 28180308-5 2017 Using Prp43 F357A mutants or pyrimidine nucleotides, we show that the lack of stacking of the nucleotide base to the F-motif decouples the NTPase and helicase activities of Prp43. Pyrimidine Nucleotides 29-51 helicase for meiosis 1 Homo sapiens 150-158 32313349-0 2016 Selective Inhibition of Enzymatic Activities of Severe Acute Respiratory Syndrome Coronavirus Helicase with a Thioxopyrimidine Derivative. thioxopyrimidine 110-126 helicase for meiosis 1 Homo sapiens 94-102 27644328-5 2016 Eviction of the stalled helicase involves K48-linked polyubiquitylation of MCM7, p97-mediated extraction of CMG, and a largely degradation-independent mechanism of MCM7 deubiquitylation. N(2)-carboxymethylguanosine 108-111 helicase for meiosis 1 Homo sapiens 24-32 27809838-5 2016 METHODS: ATP-dependent DNA helicase gene (PfRuvB3) of Plasmodium falciparum strain K1, a chloroquine and pyrimethamine-resistant strain, was inserted into pQE-TriSystem His-Strep 2 vector, heterologously expressed and affinity purified. Adenosine Triphosphate 9-12 helicase for meiosis 1 Homo sapiens 27-35 27809838-5 2016 METHODS: ATP-dependent DNA helicase gene (PfRuvB3) of Plasmodium falciparum strain K1, a chloroquine and pyrimethamine-resistant strain, was inserted into pQE-TriSystem His-Strep 2 vector, heterologously expressed and affinity purified. Chloroquine 89-100 helicase for meiosis 1 Homo sapiens 27-35 27809838-5 2016 METHODS: ATP-dependent DNA helicase gene (PfRuvB3) of Plasmodium falciparum strain K1, a chloroquine and pyrimethamine-resistant strain, was inserted into pQE-TriSystem His-Strep 2 vector, heterologously expressed and affinity purified. Pyrimethamine 105-118 helicase for meiosis 1 Homo sapiens 27-35 27809838-5 2016 METHODS: ATP-dependent DNA helicase gene (PfRuvB3) of Plasmodium falciparum strain K1, a chloroquine and pyrimethamine-resistant strain, was inserted into pQE-TriSystem His-Strep 2 vector, heterologously expressed and affinity purified. Histidine 169-172 helicase for meiosis 1 Homo sapiens 27-35 27809838-9 2016 Its helicase activity is dependent on divalent cations (Cu2+, Mg2+, Ni+2 or Zn+2) and ATP or dATP but is inhibited by high NaCl concentration (>100 mM). cupric ion 56-60 helicase for meiosis 1 Homo sapiens 4-12 27809838-9 2016 Its helicase activity is dependent on divalent cations (Cu2+, Mg2+, Ni+2 or Zn+2) and ATP or dATP but is inhibited by high NaCl concentration (>100 mM). magnesium ion 62-66 helicase for meiosis 1 Homo sapiens 4-12 27809838-9 2016 Its helicase activity is dependent on divalent cations (Cu2+, Mg2+, Ni+2 or Zn+2) and ATP or dATP but is inhibited by high NaCl concentration (>100 mM). ni+2 68-72 helicase for meiosis 1 Homo sapiens 4-12 27809838-9 2016 Its helicase activity is dependent on divalent cations (Cu2+, Mg2+, Ni+2 or Zn+2) and ATP or dATP but is inhibited by high NaCl concentration (>100 mM). Zinc 76-80 helicase for meiosis 1 Homo sapiens 4-12 27809838-9 2016 Its helicase activity is dependent on divalent cations (Cu2+, Mg2+, Ni+2 or Zn+2) and ATP or dATP but is inhibited by high NaCl concentration (>100 mM). Adenosine Triphosphate 86-89 helicase for meiosis 1 Homo sapiens 4-12 27809838-9 2016 Its helicase activity is dependent on divalent cations (Cu2+, Mg2+, Ni+2 or Zn+2) and ATP or dATP but is inhibited by high NaCl concentration (>100 mM). 2'-deoxyadenosine triphosphate 93-97 helicase for meiosis 1 Homo sapiens 4-12 27809838-9 2016 Its helicase activity is dependent on divalent cations (Cu2+, Mg2+, Ni+2 or Zn+2) and ATP or dATP but is inhibited by high NaCl concentration (>100 mM). Sodium Chloride 123-127 helicase for meiosis 1 Homo sapiens 4-12 27809838-11 2016 PfRuvB3.is inhibited by doxorubicin, daunorubicin and netropsin, known DNA helicase inhibitors. Doxorubicin 24-35 helicase for meiosis 1 Homo sapiens 75-83 27809838-11 2016 PfRuvB3.is inhibited by doxorubicin, daunorubicin and netropsin, known DNA helicase inhibitors. Daunorubicin 37-49 helicase for meiosis 1 Homo sapiens 75-83 27223403-5 2016 Synthetic oligonucleotides site-specifically labeled with Cy3 and Cy5 fluorophores can be used to create a variety of DNA substrates that can be used to characterize DNA binding, as well as helicase translocation and duplex unwinding activities. Oligonucleotides 10-26 helicase for meiosis 1 Homo sapiens 190-198 27223403-5 2016 Synthetic oligonucleotides site-specifically labeled with Cy3 and Cy5 fluorophores can be used to create a variety of DNA substrates that can be used to characterize DNA binding, as well as helicase translocation and duplex unwinding activities. cy3 58-61 helicase for meiosis 1 Homo sapiens 190-198 27223403-5 2016 Synthetic oligonucleotides site-specifically labeled with Cy3 and Cy5 fluorophores can be used to create a variety of DNA substrates that can be used to characterize DNA binding, as well as helicase translocation and duplex unwinding activities. cyanine dye 5 66-69 helicase for meiosis 1 Homo sapiens 190-198 26507855-2 2015 Upon recognising an unmodified DNA target site, the helicase-like domain hydrolyzes ATP to cause site release (remodeling activity) and to then drive downstream translocation consuming 1-2 ATP per base pair (motor activity). Adenosine Triphosphate 84-87 helicase for meiosis 1 Homo sapiens 52-60 27430951-6 2016 This is the first structure of any flavivirus helicase bound to ATP. Adenosine Triphosphate 64-67 helicase for meiosis 1 Homo sapiens 46-54 26445091-0 2016 Identification of a resveratrol tetramer as a potent inhibitor of hepatitis C virus helicase. Resveratrol 20-31 helicase for meiosis 1 Homo sapiens 84-92 26889705-2 2016 Recently we reported that mutations in Primase subunits or factors that bridge Polalpha/Primase with the replicative helicase, Ctf4, caused abnormal usage of DDT pathways, negatively influenced sister chromatid cohesion (SCC), and associated with increased fork reversal. DDT 158-161 helicase for meiosis 1 Homo sapiens 117-125 26387819-1 2015 A new chemical inhibitor against severe acute respiratory syndrome (SARS) coronavirus helicase, 7-ethyl-8-mercapto-3-methyl-3,7-dihydro-1H-purine-2,6-dione, was identified. BAS 00162658 96-155 helicase for meiosis 1 Homo sapiens 86-94 26387819-3 2015 The compound suppressed both ATP hydrolysis and double-stranded DNA unwinding activities of helicase with IC50 values of 8.66 +- 0.26 muM and 41.6 +- 2.3 muM, respectively. Adenosine Triphosphate 29-32 helicase for meiosis 1 Homo sapiens 92-100 26338774-2 2015 In S-phase, Dbf4-dependent kinase (DDK) and cyclin-dependent-kinase (CDK) direct with the help of a large number of helicase-activation factors the assembly of a Cdc45-MCM2-7-GINS (CMG) complex. N(2)-carboxymethylguanosine 181-184 helicase for meiosis 1 Homo sapiens 116-124 27235397-2 2016 In many cases, these enzymes function as large multicomponent complexes that in general comprise a central ATP-dependent Snf2 family helicase that is decorated with a variable number of regulatory subunits. Adenosine Triphosphate 107-110 helicase for meiosis 1 Homo sapiens 133-141 26690725-2 2016 We demonstrate, for the first time, zero-background helicase-dependent amplification (HDA), with low concentrations of both ATP and dNTPs. Adenosine Triphosphate 124-127 helicase for meiosis 1 Homo sapiens 52-60 26690725-2 2016 We demonstrate, for the first time, zero-background helicase-dependent amplification (HDA), with low concentrations of both ATP and dNTPs. Parathion 132-137 helicase for meiosis 1 Homo sapiens 52-60 27186411-1 2016 DEAD-box RNA helicase 3 (DDX3) is a highly conserved family member of DEAD-box protein, which is a cluster of ATP-dependent and the largest family of RNA helicase. Adenosine Triphosphate 110-113 helicase for meiosis 1 Homo sapiens 13-21 27186411-1 2016 DEAD-box RNA helicase 3 (DDX3) is a highly conserved family member of DEAD-box protein, which is a cluster of ATP-dependent and the largest family of RNA helicase. Adenosine Triphosphate 110-113 helicase for meiosis 1 Homo sapiens 154-162 26507855-2 2015 Upon recognising an unmodified DNA target site, the helicase-like domain hydrolyzes ATP to cause site release (remodeling activity) and to then drive downstream translocation consuming 1-2 ATP per base pair (motor activity). Adenosine Triphosphate 189-192 helicase for meiosis 1 Homo sapiens 52-60 25897079-0 2015 The Association of the Xeroderma Pigmentosum Group D DNA Helicase (XPD) with Transcription Factor IIH Is Regulated by the Cytosolic Iron-Sulfur Cluster Assembly Pathway. Iron 132-136 helicase for meiosis 1 Homo sapiens 57-65 26120835-3 2015 Here we demonstrate that Xpo1 and Ran[GTP] together reduce the RNA-stimulated ATPase and helicase activities of Ded1. Guanosine Triphosphate 38-41 helicase for meiosis 1 Homo sapiens 89-97 26455304-3 2015 RECQ1 is an ATP-dependent DNA-unwinding enzyme (helicase) [8, 9] with roles in replication [10-12] and DNA repair [13-16]. Adenosine Triphosphate 12-15 helicase for meiosis 1 Homo sapiens 48-56 25897079-0 2015 The Association of the Xeroderma Pigmentosum Group D DNA Helicase (XPD) with Transcription Factor IIH Is Regulated by the Cytosolic Iron-Sulfur Cluster Assembly Pathway. Sulfur 137-143 helicase for meiosis 1 Homo sapiens 57-65 25643815-5 2015 An alanine mutation in the Walker A motif (K189A rNSs) decreased DNA helicase activity substantially, whereas a mutation in the Walker B motif resulted in a marginal decrease in this activity. Alanine 3-10 helicase for meiosis 1 Homo sapiens 69-77 25643815-2 2015 ATP hydrolysis is an essential function of a true helicase. Adenosine Triphosphate 0-3 helicase for meiosis 1 Homo sapiens 50-58 25970034-3 2015 Our 2-aminopurine studies show that helicase and polymerase both participate in DNA melting, but each enzyme melts the junction base pair partially. 2-Aminopurine 4-17 helicase for meiosis 1 Homo sapiens 36-44 25970034-5 2015 The synergistic shift in equilibrium of junction base pair melting by combined enzymes explains the cooperativity, wherein helicase stimulates the polymerase by promoting dNTP binding (decreasing dNTP Km), polymerase stimulates the helicase by increasing the unwinding rate-constant (kcat), consequently the combined enzymes unwind DNA with kinetic parameters resembling enzymes translocating on single-stranded DNA. Parathion 171-175 helicase for meiosis 1 Homo sapiens 123-131 25970034-5 2015 The synergistic shift in equilibrium of junction base pair melting by combined enzymes explains the cooperativity, wherein helicase stimulates the polymerase by promoting dNTP binding (decreasing dNTP Km), polymerase stimulates the helicase by increasing the unwinding rate-constant (kcat), consequently the combined enzymes unwind DNA with kinetic parameters resembling enzymes translocating on single-stranded DNA. Parathion 171-175 helicase for meiosis 1 Homo sapiens 232-240 25970034-5 2015 The synergistic shift in equilibrium of junction base pair melting by combined enzymes explains the cooperativity, wherein helicase stimulates the polymerase by promoting dNTP binding (decreasing dNTP Km), polymerase stimulates the helicase by increasing the unwinding rate-constant (kcat), consequently the combined enzymes unwind DNA with kinetic parameters resembling enzymes translocating on single-stranded DNA. Parathion 196-200 helicase for meiosis 1 Homo sapiens 123-131 25970034-5 2015 The synergistic shift in equilibrium of junction base pair melting by combined enzymes explains the cooperativity, wherein helicase stimulates the polymerase by promoting dNTP binding (decreasing dNTP Km), polymerase stimulates the helicase by increasing the unwinding rate-constant (kcat), consequently the combined enzymes unwind DNA with kinetic parameters resembling enzymes translocating on single-stranded DNA. Parathion 196-200 helicase for meiosis 1 Homo sapiens 232-240 24333153-5 2014 A non-radioactive RNA unwinding assay was developed using biotin and digoxigenin labeled duplex RNA substrate with 5" overhangs for measuring strand displacement activity of the helicase. Digoxigenin 69-80 helicase for meiosis 1 Homo sapiens 178-186 25308420-4 2015 The MCM2-7 helicase activity, however, is only triggered during S-phase once the holo-helicase Cdc45-MCM2-7-GINS (CMG) has been formed. -7-gins 105-112 helicase for meiosis 1 Homo sapiens 11-19 25308420-4 2015 The MCM2-7 helicase activity, however, is only triggered during S-phase once the holo-helicase Cdc45-MCM2-7-GINS (CMG) has been formed. -7-gins 105-112 helicase for meiosis 1 Homo sapiens 86-94 25308420-4 2015 The MCM2-7 helicase activity, however, is only triggered during S-phase once the holo-helicase Cdc45-MCM2-7-GINS (CMG) has been formed. N(2)-carboxymethylguanosine 114-117 helicase for meiosis 1 Homo sapiens 11-19 25308420-4 2015 The MCM2-7 helicase activity, however, is only triggered during S-phase once the holo-helicase Cdc45-MCM2-7-GINS (CMG) has been formed. N(2)-carboxymethylguanosine 114-117 helicase for meiosis 1 Homo sapiens 86-94 25453344-2 2014 LTA is a hexameric protein with a helicase activity that is powered by ATP binding and hydrolysis. Adenosine Triphosphate 71-74 helicase for meiosis 1 Homo sapiens 34-42 25087876-3 2014 Mcm2-7 complexes containing ATPase-motif mutations showed Mcm2-7 ATP binding and hydrolysis are required for helicase loading. Adenosine Triphosphate 28-31 helicase for meiosis 1 Homo sapiens 109-117 24816114-0 2014 Structure of human Bloom"s syndrome helicase in complex with ADP and duplex DNA. Adenosine Diphosphate 61-64 helicase for meiosis 1 Homo sapiens 36-44 24816114-5 2014 Here, the crystal structure of the human BLM helicase in complex with ADP and a 3"-overhang DNA duplex is reported. Adenosine Diphosphate 70-73 helicase for meiosis 1 Homo sapiens 45-53 24573678-1 2014 Helicases are molecular motors that couple the energy of ATP hydrolysis to the unwinding and remodeling of structured DNA or RNA, which is coordinated by conserved helicase motifs. Adenosine Triphosphate 57-60 helicase for meiosis 1 Homo sapiens 164-172 24369429-3 2014 The high-resolution structure of the arterivirus helicase (nsp10), alone and in complex with a polynucleotide substrate, now provides first insights into the structural basis for nidovirus helicase function. Polynucleotides 95-109 helicase for meiosis 1 Homo sapiens 49-57 24369429-3 2014 The high-resolution structure of the arterivirus helicase (nsp10), alone and in complex with a polynucleotide substrate, now provides first insights into the structural basis for nidovirus helicase function. Polynucleotides 95-109 helicase for meiosis 1 Homo sapiens 189-197 24461293-2 2014 Examples of ring-expanded nucleosides (RENs), represented by general structures 1 and 2, exhibited dual anti-HCV and anti-HIV activities in both cell culture systems and the respective target enzyme assays, including HCV NTPase/helicase and human RNA helicase DDX3. Nucleosides 26-37 helicase for meiosis 1 Homo sapiens 228-236 24461293-2 2014 Examples of ring-expanded nucleosides (RENs), represented by general structures 1 and 2, exhibited dual anti-HCV and anti-HIV activities in both cell culture systems and the respective target enzyme assays, including HCV NTPase/helicase and human RNA helicase DDX3. Nucleosides 26-37 helicase for meiosis 1 Homo sapiens 251-259 24461293-2 2014 Examples of ring-expanded nucleosides (RENs), represented by general structures 1 and 2, exhibited dual anti-HCV and anti-HIV activities in both cell culture systems and the respective target enzyme assays, including HCV NTPase/helicase and human RNA helicase DDX3. rens 39-43 helicase for meiosis 1 Homo sapiens 228-236 24461293-2 2014 Examples of ring-expanded nucleosides (RENs), represented by general structures 1 and 2, exhibited dual anti-HCV and anti-HIV activities in both cell culture systems and the respective target enzyme assays, including HCV NTPase/helicase and human RNA helicase DDX3. rens 39-43 helicase for meiosis 1 Homo sapiens 251-259 28808523-2 2015 The Ir(iii) complex 9, [Ir(phq)2(phen)]PF6 (where phq = 2-phenylquinoline; phen = 1,10-phenanthroline), exhibited high luminescence in the presence of G-quadruplex DNA compared to dsDNA and ssDNA, and was employed to construct a label-free G-quadruplex-based assay for hepatitis C virus NS3 helicase activity in aqueous solution. [ir(phq)2(phen)]pf6 23-42 helicase for meiosis 1 Homo sapiens 291-299 28808523-2 2015 The Ir(iii) complex 9, [Ir(phq)2(phen)]PF6 (where phq = 2-phenylquinoline; phen = 1,10-phenanthroline), exhibited high luminescence in the presence of G-quadruplex DNA compared to dsDNA and ssDNA, and was employed to construct a label-free G-quadruplex-based assay for hepatitis C virus NS3 helicase activity in aqueous solution. 1,10-phenanthroline 82-101 helicase for meiosis 1 Homo sapiens 291-299 25670384-4 2015 The function of the helicase-primase complex is then summarized and the development of new inhibitors of the helicase-primase complex, such as pritelivir and amenamevir, is discussed. pritelivir 143-153 helicase for meiosis 1 Homo sapiens 20-28 25670384-4 2015 The function of the helicase-primase complex is then summarized and the development of new inhibitors of the helicase-primase complex, such as pritelivir and amenamevir, is discussed. pritelivir 143-153 helicase for meiosis 1 Homo sapiens 109-117 25670384-4 2015 The function of the helicase-primase complex is then summarized and the development of new inhibitors of the helicase-primase complex, such as pritelivir and amenamevir, is discussed. ASP2151 158-168 helicase for meiosis 1 Homo sapiens 20-28 25670384-4 2015 The function of the helicase-primase complex is then summarized and the development of new inhibitors of the helicase-primase complex, such as pritelivir and amenamevir, is discussed. ASP2151 158-168 helicase for meiosis 1 Homo sapiens 109-117 25184677-3 2014 A central NMD factor is the ATP-dependent RNA helicase upframeshift 1 (UPF1). Adenosine Triphosphate 28-31 helicase for meiosis 1 Homo sapiens 46-54 25184677-7 2014 Immunoprecipitations of UPF1 variants deficient in various aspects of the NMD process in parallel with Forster resonance energy transfer (FRET) experiments reveal that ATPase/helicase-deficient UPF1 manifests high levels of RNA binding and disregulated hyperphosphorylation, whereas wild-type UPF1 releases from nonspecific RNA interactions in an ATP hydrolysis-dependent mechanism until an NMD target is identified. Adenosine Triphosphate 168-171 helicase for meiosis 1 Homo sapiens 175-183 24821782-2 2014 Here, we report the identification of a unique cytosolic nucleic acid cosensor in human airway epithelial cells and fibroblasts: DEAH (Asp-Glu-Ala-His) box polypeptide 29 (DHX29), a member of the DExD/H (Asp-Glu-x-Asp/His)-box helicase family. Aspartic Acid 135-138 helicase for meiosis 1 Homo sapiens 227-235 24821782-2 2014 Here, we report the identification of a unique cytosolic nucleic acid cosensor in human airway epithelial cells and fibroblasts: DEAH (Asp-Glu-Ala-His) box polypeptide 29 (DHX29), a member of the DExD/H (Asp-Glu-x-Asp/His)-box helicase family. Alanine 143-146 helicase for meiosis 1 Homo sapiens 227-235 24821782-2 2014 Here, we report the identification of a unique cytosolic nucleic acid cosensor in human airway epithelial cells and fibroblasts: DEAH (Asp-Glu-Ala-His) box polypeptide 29 (DHX29), a member of the DExD/H (Asp-Glu-x-Asp/His)-box helicase family. Histidine 147-150 helicase for meiosis 1 Homo sapiens 227-235 24821782-2 2014 Here, we report the identification of a unique cytosolic nucleic acid cosensor in human airway epithelial cells and fibroblasts: DEAH (Asp-Glu-Ala-His) box polypeptide 29 (DHX29), a member of the DExD/H (Asp-Glu-x-Asp/His)-box helicase family. Histidine 218-221 helicase for meiosis 1 Homo sapiens 227-235 24630996-1 2014 By simultaneously measuring DNA synthesis and dNTP hydrolysis, we show that T7 DNA polymerase and T7 gp4 helicase move in sync during leading-strand synthesis, taking one-nucleotide steps and hydrolyzing one dNTP per base-pair unwound/copied. Parathion 46-50 helicase for meiosis 1 Homo sapiens 105-113 24630996-1 2014 By simultaneously measuring DNA synthesis and dNTP hydrolysis, we show that T7 DNA polymerase and T7 gp4 helicase move in sync during leading-strand synthesis, taking one-nucleotide steps and hydrolyzing one dNTP per base-pair unwound/copied. Parathion 208-212 helicase for meiosis 1 Homo sapiens 105-113 24630996-2 2014 The cooperative catalysis enables the helicase and polymerase to move at a uniformly fast rate without guanine:cytosine (GC) dependency or idling with futile NTP hydrolysis. Guanine 103-110 helicase for meiosis 1 Homo sapiens 38-46 24630996-2 2014 The cooperative catalysis enables the helicase and polymerase to move at a uniformly fast rate without guanine:cytosine (GC) dependency or idling with futile NTP hydrolysis. Cytosine 111-119 helicase for meiosis 1 Homo sapiens 38-46 24630996-2 2014 The cooperative catalysis enables the helicase and polymerase to move at a uniformly fast rate without guanine:cytosine (GC) dependency or idling with futile NTP hydrolysis. gallocatechol 121-123 helicase for meiosis 1 Homo sapiens 38-46 24630996-2 2014 The cooperative catalysis enables the helicase and polymerase to move at a uniformly fast rate without guanine:cytosine (GC) dependency or idling with futile NTP hydrolysis. ntp 158-161 helicase for meiosis 1 Homo sapiens 38-46 24001138-0 2013 Ciprofloxacin is an inhibitor of the Mcm2-7 replicative helicase. Ciprofloxacin 0-13 helicase for meiosis 1 Homo sapiens 56-64 23948158-0 2013 Methods for detecting ATP hydrolysis and nucleic acid unwinding of Japanese encephalitis virus NS3 helicase. Adenosine Triphosphate 22-25 helicase for meiosis 1 Homo sapiens 99-107 23948158-6 2013 The concentrations of enzyme, substrate, capture strand, ATP, and divalent ions were optimised in the ATPase and helicase reactions. Adenosine Triphosphate 57-60 helicase for meiosis 1 Homo sapiens 113-121 25095995-5 2014 Reopening of the helicase core occurs after ATP hydrolysis and is coupled to phosphate release and dissociation of the second RNA strand.Fluorescence spectroscopy provides an array of approaches to study intermolecular interactions, local structural rearrangements, or large conformational changes of biomolecules. Adenosine Triphosphate 44-47 helicase for meiosis 1 Homo sapiens 17-25 25095995-5 2014 Reopening of the helicase core occurs after ATP hydrolysis and is coupled to phosphate release and dissociation of the second RNA strand.Fluorescence spectroscopy provides an array of approaches to study intermolecular interactions, local structural rearrangements, or large conformational changes of biomolecules. Phosphates 77-86 helicase for meiosis 1 Homo sapiens 17-25 24001138-4 2013 Ciprofloxacin blocks the DNA helicase activity of Mcm2-7 at concentrations that have little effect on other tested helicases and prevents the proliferation of both yeast and human cells at concentrations similar to those that inhibit DNA unwinding. Ciprofloxacin 0-13 helicase for meiosis 1 Homo sapiens 29-37 24001138-6 2013 To identify more potent Mcm2-7 inhibitors, we screened molecules that are structurally related to ciprofloxacin and identified several that compromise the Mcm2-7 helicase activity at lower concentrations. Ciprofloxacin 98-111 helicase for meiosis 1 Homo sapiens 162-170 23893289-1 2013 Helicase motif VI is a short arginine-rich motif within the NTPase/helicase domain of the non-structural protein 3 (NS3) of the hepatitis C virus (HCV). Arginine 29-37 helicase for meiosis 1 Homo sapiens 0-8 23893289-1 2013 Helicase motif VI is a short arginine-rich motif within the NTPase/helicase domain of the non-structural protein 3 (NS3) of the hepatitis C virus (HCV). Arginine 29-37 helicase for meiosis 1 Homo sapiens 67-75 23893289-7 2013 These findings were confirmed for the wild-type NTPase/helicase domain in a non-radiometric PKC inhibition assay with ATP regeneration to rule out any effect of ATP hydrolysis caused by its NTPase activity. Adenosine Triphosphate 118-121 helicase for meiosis 1 Homo sapiens 55-63 24228882-5 2013 The 56.5 kDa NS3h protein was purified by metal-chelate affinity chromatography followed by renaturation, mediated by artificial chaperone-assisted refolding, which yielded the active helicase. Metals 42-47 helicase for meiosis 1 Homo sapiens 184-192 23583337-4 2013 Our biochemical experiments with purified mutant recombinant WRN protein showed that the G574R mutation inhibits ATP binding, and thereby leads to significant decrease in helicase activity. Adenosine Triphosphate 113-116 helicase for meiosis 1 Homo sapiens 171-179 23543057-6 2013 L3MBTL1 is known to regulate nucleosomal compaction, and we here showed that SGK2 inactivated BRG1, a key ATP-dependent helicase within the SWI/SNF complex that regulates nucleosomal positioning. Adenosine Triphosphate 106-109 helicase for meiosis 1 Homo sapiens 120-128 23578280-5 2013 We confirmed that gp41 helicase monomer subunits form stable hexameric helicases in the presence of GTP and that the resulting (gp41)(6) complexes bind only weakly at DNA fork junctions. Guanosine Triphosphate 100-103 helicase for meiosis 1 Homo sapiens 23-31 23678398-11 2013 On the contrary, C4 spends most of its conformational time in a straight, more rigid formation that allows it to successfully block the passage of the oligonucleotide in the ssRNA channel of the HCV helicase. Oligonucleotides 151-166 helicase for meiosis 1 Homo sapiens 199-207 23534463-0 2013 Potent in vitro interference of fleroxacin in DNA-binding, unwinding and ATPase activities of Bloom helicase. Fleroxacin 32-42 helicase for meiosis 1 Homo sapiens 100-108 23534463-1 2013 OBJECTIVE: To study the effect of fleroxacin (FLRX) on biological properties of Bloom (BLM) helicase catalytic core (BLM642-1290 helicase) in vitro and the molecular mechanism of interaction between the two molecules. Fleroxacin 34-44 helicase for meiosis 1 Homo sapiens 92-100 23534463-1 2013 OBJECTIVE: To study the effect of fleroxacin (FLRX) on biological properties of Bloom (BLM) helicase catalytic core (BLM642-1290 helicase) in vitro and the molecular mechanism of interaction between the two molecules. Fleroxacin 34-44 helicase for meiosis 1 Homo sapiens 129-137 23534463-1 2013 OBJECTIVE: To study the effect of fleroxacin (FLRX) on biological properties of Bloom (BLM) helicase catalytic core (BLM642-1290 helicase) in vitro and the molecular mechanism of interaction between the two molecules. Fleroxacin 46-50 helicase for meiosis 1 Homo sapiens 92-100 23534463-1 2013 OBJECTIVE: To study the effect of fleroxacin (FLRX) on biological properties of Bloom (BLM) helicase catalytic core (BLM642-1290 helicase) in vitro and the molecular mechanism of interaction between the two molecules. Fleroxacin 46-50 helicase for meiosis 1 Homo sapiens 129-137 23534463-2 2013 METHODS: DNA-binding and unwinding activities of BLM642-1290 helicase were assayed by fluorescence polarization and gel retardation assay under conditions that the helicase was subjected to different concentrations of FLRX. Fleroxacin 218-222 helicase for meiosis 1 Homo sapiens 61-69 23534463-2 2013 METHODS: DNA-binding and unwinding activities of BLM642-1290 helicase were assayed by fluorescence polarization and gel retardation assay under conditions that the helicase was subjected to different concentrations of FLRX. Fleroxacin 218-222 helicase for meiosis 1 Homo sapiens 164-172 23534463-3 2013 Effect of FLRX on helicase ATPase activity was analyzed by phosphorus-free assay based on a colorimetric estimation of ATP hydrolysis-produced inorganic phosphate. Fleroxacin 10-14 helicase for meiosis 1 Homo sapiens 18-26 23534463-3 2013 Effect of FLRX on helicase ATPase activity was analyzed by phosphorus-free assay based on a colorimetric estimation of ATP hydrolysis-produced inorganic phosphate. Phosphorus 59-69 helicase for meiosis 1 Homo sapiens 18-26 23534463-3 2013 Effect of FLRX on helicase ATPase activity was analyzed by phosphorus-free assay based on a colorimetric estimation of ATP hydrolysis-produced inorganic phosphate. Adenosine Triphosphate 27-30 helicase for meiosis 1 Homo sapiens 18-26 23534463-3 2013 Effect of FLRX on helicase ATPase activity was analyzed by phosphorus-free assay based on a colorimetric estimation of ATP hydrolysis-produced inorganic phosphate. Phosphates 143-162 helicase for meiosis 1 Homo sapiens 18-26 23534463-8 2013 The biological activity of helicase was affected by FLRX, which may be through an allosteric mechanism and stabilization of enzyme conformation in low helicase activity state, disruption of the coupling of ATP hydrolysis to unwinding, and blocking helicase translocation on DNA strands. Fleroxacin 52-56 helicase for meiosis 1 Homo sapiens 27-35 23534463-8 2013 The biological activity of helicase was affected by FLRX, which may be through an allosteric mechanism and stabilization of enzyme conformation in low helicase activity state, disruption of the coupling of ATP hydrolysis to unwinding, and blocking helicase translocation on DNA strands. Fleroxacin 52-56 helicase for meiosis 1 Homo sapiens 151-159 23534463-8 2013 The biological activity of helicase was affected by FLRX, which may be through an allosteric mechanism and stabilization of enzyme conformation in low helicase activity state, disruption of the coupling of ATP hydrolysis to unwinding, and blocking helicase translocation on DNA strands. Fleroxacin 52-56 helicase for meiosis 1 Homo sapiens 151-159 23534463-8 2013 The biological activity of helicase was affected by FLRX, which may be through an allosteric mechanism and stabilization of enzyme conformation in low helicase activity state, disruption of the coupling of ATP hydrolysis to unwinding, and blocking helicase translocation on DNA strands. Adenosine Triphosphate 206-209 helicase for meiosis 1 Homo sapiens 27-35 23534463-9 2013 CONCLUSION: FLRX may affect the biological activities and conformation of BLM642-1290 helicase, and DNA helicase may be used as a promising drug target for some diseases. Fleroxacin 12-16 helicase for meiosis 1 Homo sapiens 86-94 23483279-0 2013 A new helicase assay based on graphene oxide for anti-viral drug development. graphene oxide 30-44 helicase for meiosis 1 Homo sapiens 6-14 23483279-3 2013 In this review, we discuss recent advances in GO-based biosensors focusing on a novel assay platform for helicase activity, which was also employed in high-throughput screening to discover selective helicase inhibitors. graphene oxide 46-48 helicase for meiosis 1 Homo sapiens 105-113 23483279-3 2013 In this review, we discuss recent advances in GO-based biosensors focusing on a novel assay platform for helicase activity, which was also employed in high-throughput screening to discover selective helicase inhibitors. graphene oxide 46-48 helicase for meiosis 1 Homo sapiens 199-207 23275559-3 2013 In human, both the ATP-dependent RNA helicase activity and the phosphorylation of Upf1 are essential for NMD. Adenosine Triphosphate 19-22 helicase for meiosis 1 Homo sapiens 37-45 23410932-0 2013 Use of the SYBR Green dye for measuring helicase activity. sybr green 11-21 helicase for meiosis 1 Homo sapiens 40-48 23410932-1 2013 Here we describe a non-radioactive assay that exploits the fluorescent dye SYBR Green to measure the helicase enzyme activity. sybr green 75-85 helicase for meiosis 1 Homo sapiens 101-109 23290078-2 2013 Parvovirus nonstructural protein 1 (NS1) contains various activities required for parvoviral DNA replication, like endonuclease, helicase and ATPase, which are regulated by serine/threonine phosphorylation. Serine 173-179 helicase for meiosis 1 Homo sapiens 129-137 23290078-2 2013 Parvovirus nonstructural protein 1 (NS1) contains various activities required for parvoviral DNA replication, like endonuclease, helicase and ATPase, which are regulated by serine/threonine phosphorylation. Threonine 180-189 helicase for meiosis 1 Homo sapiens 129-137 23290078-6 2013 Moreover, using different phosphatases, we uncovered that both serine/threonine and tyrosine phosphorylations are critical for NS1 endonuclease and helicase activities. Serine 63-69 helicase for meiosis 1 Homo sapiens 148-156 23290078-6 2013 Moreover, using different phosphatases, we uncovered that both serine/threonine and tyrosine phosphorylations are critical for NS1 endonuclease and helicase activities. Threonine 70-79 helicase for meiosis 1 Homo sapiens 148-156 23290078-6 2013 Moreover, using different phosphatases, we uncovered that both serine/threonine and tyrosine phosphorylations are critical for NS1 endonuclease and helicase activities. Tyrosine 84-92 helicase for meiosis 1 Homo sapiens 148-156 23275559-6 2013 With different biochemical approaches we show that this domain, named SQ, directly interacts with the helicase domain to impede ATP hydrolysis and RNA unwinding. Adenosine Triphosphate 128-131 helicase for meiosis 1 Homo sapiens 102-110 22753105-5 2012 Our studies also illustrate how signals are transduced between the ATP and DNA binding sites to generate the helicase activity pivotal to handover and formation of the UvrB2-DNA complex, providing key insights into the configurations of these important repair intermediates. Adenosine Triphosphate 67-70 helicase for meiosis 1 Homo sapiens 109-117 22833015-6 2012 The results from our study reveal that both the protease and helicase residues of the NS3/4A participate in the interactions with the inhibitor , ITMN-191 and 4B5A. danoprevir 146-154 helicase for meiosis 1 Homo sapiens 61-69 22935448-5 2012 We also discuss the recent progress in the identification of novel chemical inhibitors of nsP13 in the context of our recent discovery of the strong inhibition of the SARS helicase by natural flavonoids, myricetin and scutellarein. Flavonoids 192-202 helicase for meiosis 1 Homo sapiens 172-180 22935448-5 2012 We also discuss the recent progress in the identification of novel chemical inhibitors of nsP13 in the context of our recent discovery of the strong inhibition of the SARS helicase by natural flavonoids, myricetin and scutellarein. myricetin 204-213 helicase for meiosis 1 Homo sapiens 172-180 22935448-5 2012 We also discuss the recent progress in the identification of novel chemical inhibitors of nsP13 in the context of our recent discovery of the strong inhibition of the SARS helicase by natural flavonoids, myricetin and scutellarein. scutellarein 218-230 helicase for meiosis 1 Homo sapiens 172-180 22504228-0 2012 Dda helicase tightly couples translocation on single-stranded DNA to unwinding of duplex DNA: Dda is an optimally active helicase. bis(p-chlorophenyl)acetic acid 0-3 helicase for meiosis 1 Homo sapiens 4-12 22523084-1 2012 DNA cleavage by the Type III Restriction-Modification (RM) enzymes requires the binding of a pair of RM enzymes at two distant, inversely orientated recognition sequences followed by helicase-catalysed ATP hydrolysis and long-range communication. Adenosine Triphosphate 202-205 helicase for meiosis 1 Homo sapiens 183-191 22504228-0 2012 Dda helicase tightly couples translocation on single-stranded DNA to unwinding of duplex DNA: Dda is an optimally active helicase. bis(p-chlorophenyl)acetic acid 0-3 helicase for meiosis 1 Homo sapiens 121-129 22287629-0 2012 DNA helicase and helicase-nuclease enzymes with a conserved iron-sulfur cluster. Iron 60-64 helicase for meiosis 1 Homo sapiens 4-12 22287629-0 2012 DNA helicase and helicase-nuclease enzymes with a conserved iron-sulfur cluster. Iron 60-64 helicase for meiosis 1 Homo sapiens 17-25 22287629-0 2012 DNA helicase and helicase-nuclease enzymes with a conserved iron-sulfur cluster. Sulfur 65-71 helicase for meiosis 1 Homo sapiens 4-12 22287629-0 2012 DNA helicase and helicase-nuclease enzymes with a conserved iron-sulfur cluster. Sulfur 65-71 helicase for meiosis 1 Homo sapiens 17-25 22287629-5 2012 We will discuss testable models for how the conserved Fe-S cluster might operate in helicase and helicase-nuclease enzymes to conduct their specialized functions that help to preserve the integrity of the genome. Iron 54-58 helicase for meiosis 1 Homo sapiens 84-92 22287629-5 2012 We will discuss testable models for how the conserved Fe-S cluster might operate in helicase and helicase-nuclease enzymes to conduct their specialized functions that help to preserve the integrity of the genome. Iron 54-58 helicase for meiosis 1 Homo sapiens 97-105 22573437-2 2012 Similarly, the unwinding of double-stranded DNA or RNA by helicases can be studied in ensemble experiments by monitoring either the kinetics of the conversion of the double-stranded nucleic acid into its complementary single strands by the helicase or the kinetics of ATP hydrolysis by the helicase during unwinding. Adenosine Triphosphate 268-271 helicase for meiosis 1 Homo sapiens 58-66 22293206-0 2012 Fluoroquinolones inhibit HCV by targeting its helicase. Fluoroquinolones 0-16 helicase for meiosis 1 Homo sapiens 46-54 22293206-4 2012 Fluoroquinolones have also been shown to have inhibitory activity against certain viruses, possibly by targeting the viral helicase. Fluoroquinolones 0-16 helicase for meiosis 1 Homo sapiens 123-131 22293206-5 2012 To tease out the mechanism of the antiviral activity of fluoroquinolones, their effect on HCV NS3 helicase protein was also tested. Fluoroquinolones 56-72 helicase for meiosis 1 Homo sapiens 98-106 22293206-11 2012 The inhibition of HCV NS3 helicase activity was also observed with all 12 of the fluoroquinolones. Fluoroquinolones 81-97 helicase for meiosis 1 Homo sapiens 26-34 22293206-12 2012 CONCLUSIONS: Fluoroquinolones inhibit HCV replication possibly by targeting the HCV NS3 helicase. Fluoroquinolones 13-29 helicase for meiosis 1 Homo sapiens 88-96 22918583-1 2012 In eukaryotes, the Mcm2-7 complex forms the core of the replicative helicase - the molecular motor that uses ATP binding and hydrolysis to fuel the unwinding of double-stranded DNA at the replication fork. Adenosine Triphosphate 109-112 helicase for meiosis 1 Homo sapiens 68-76 22675465-0 2012 Nucleolin inhibits G4 oligonucleotide unwinding by Werner helicase. g4 oligonucleotide 19-37 helicase for meiosis 1 Homo sapiens 58-66 22701618-4 2012 The helicase unwinds such DNA junctions with a step-size of approximately four bases per ATP hydrolyzed. Adenosine Triphosphate 89-92 helicase for meiosis 1 Homo sapiens 4-12 22457622-9 2012 After passaging, rescued viruses had acquired single amino acid substitutions (SAAS) within NS3 helicase subdomain 3. saas 79-83 helicase for meiosis 1 Homo sapiens 96-104 21925774-4 2011 Among those, 3-iodobenzyloxy-substituted derivative 5e showed the most potent activity against HCV (EC(50) = 4 muM) as well as SCV (IC(50) = 4 muM for ATPase activity, 11 muM for helicase activity) and this might be used as a platform structure for future development of the multi-target or broad-spectrum antivirals. 3-iodobenzyloxy 13-28 helicase for meiosis 1 Homo sapiens 179-187 21134131-2 2011 In the present study, we show that all bananin-resistant variants exhibit mutations in helicase and membrane protein, although no evidence of bananin interference on their mutual interaction has been found. bananin 39-46 helicase for meiosis 1 Homo sapiens 87-95 21947008-6 2011 Here, to understand the synergy between the helicase and the RD for RNA binding, and the contribution of ATP hydrolysis to RIG-I activation, we determined the structure of human RIG-I helicase-RD in complex with dsRNA and an ATP analogue. Adenosine Triphosphate 105-108 helicase for meiosis 1 Homo sapiens 184-192 21947008-6 2011 Here, to understand the synergy between the helicase and the RD for RNA binding, and the contribution of ATP hydrolysis to RIG-I activation, we determined the structure of human RIG-I helicase-RD in complex with dsRNA and an ATP analogue. Adenosine Triphosphate 225-228 helicase for meiosis 1 Homo sapiens 184-192 21440839-0 2011 Effects of mercury on the structure and activity of BLM642-1290 recombinant helicase. Mercury 11-18 helicase for meiosis 1 Homo sapiens 76-84 21440839-5 2011 METHODS: The effects of Hg(2+) on biological activity and structure of BLM642-1290 recombinant helicase were determined by fluorescence polarized, ultraviolet spectroscopic, and free-phosphorus assay technologies, respectively. Phosphorus 183-193 helicase for meiosis 1 Homo sapiens 95-103 21440839-7 2011 The LMCT (ligand-to-metal charge transition) peaks of the helicase were enhanced with the increase of the Hg(2+) level. lmct 4-8 helicase for meiosis 1 Homo sapiens 58-66 21440839-7 2011 The LMCT (ligand-to-metal charge transition) peaks of the helicase were enhanced with the increase of the Hg(2+) level. Metals 20-25 helicase for meiosis 1 Homo sapiens 58-66 21440839-9 2011 CONCLUSION: The biological activity of BLM642-1290 recombinant helicase is inhibited by Hg(2+) treatment. blm642 39-45 helicase for meiosis 1 Homo sapiens 63-71 21220316-3 2011 A small molecule from the National Cancer Institute Diversity Set designated NSC 19630 [1-(propoxymethyl)-maleimide] was identified that inhibited WRN helicase activity but did not affect other DNA helicases [Bloom syndrome (BLM), Fanconi anemia group J (FANCJ), RECQ1, RecQ, UvrD, or DnaB). 1-(propoxymethyl)maleimide 88-115 helicase for meiosis 1 Homo sapiens 151-159 27516903-3 2011 Recently, by in vitro screening studies, it has been reported that several benzotriazole, imidazole, imidazodiazepine, phenothiazine, quinoline, anthracycline, triphenylmethane, tropolone, pyrrole, acridone, small peptide, and Bananin derivatives are endowed with helicase inhibition of pathogen viruses belonging to Flaviviridae, Coronaviridae, and Picornaviridae families. benzotriazole 75-88 helicase for meiosis 1 Homo sapiens 264-272 27516903-3 2011 Recently, by in vitro screening studies, it has been reported that several benzotriazole, imidazole, imidazodiazepine, phenothiazine, quinoline, anthracycline, triphenylmethane, tropolone, pyrrole, acridone, small peptide, and Bananin derivatives are endowed with helicase inhibition of pathogen viruses belonging to Flaviviridae, Coronaviridae, and Picornaviridae families. Tropolone 178-187 helicase for meiosis 1 Homo sapiens 264-272 20880703-2 2011 Exploiting our previous knowledge in the development of nucleotide-mimicking NS3 helicase (NS3h) inhibitors endowed with key structural and electronic features necessary for an optimal ligand-enzyme interaction, we developed the tetrahydroacridinyl derivative 3a as the most potent NS3h competitive inhibitor reported to date (HCV NS3h K(i)=20 nM). tetrahydroacridinyl 229-248 helicase for meiosis 1 Homo sapiens 81-89 20880703-2 2011 Exploiting our previous knowledge in the development of nucleotide-mimicking NS3 helicase (NS3h) inhibitors endowed with key structural and electronic features necessary for an optimal ligand-enzyme interaction, we developed the tetrahydroacridinyl derivative 3a as the most potent NS3h competitive inhibitor reported to date (HCV NS3h K(i)=20 nM). ns3h 91-95 helicase for meiosis 1 Homo sapiens 81-89 21134131-4 2011 The S259/L mutation of SARS-CoV helicase is always found in all the identified bananin-resistant variants, suggesting a primary role of this mutation site for bananin activity. bananin 79-86 helicase for meiosis 1 Homo sapiens 32-40 21134131-4 2011 The S259/L mutation of SARS-CoV helicase is always found in all the identified bananin-resistant variants, suggesting a primary role of this mutation site for bananin activity. bananin 159-166 helicase for meiosis 1 Homo sapiens 32-40 21134131-6 2011 The S/L substitution causes a pocket volume reduction that weakens the interaction between bananin and SARS-CoV mutated helicase, suggesting a possible mechanism for bananin antiviral activity. bananin 91-98 helicase for meiosis 1 Homo sapiens 120-128 21134131-6 2011 The S/L substitution causes a pocket volume reduction that weakens the interaction between bananin and SARS-CoV mutated helicase, suggesting a possible mechanism for bananin antiviral activity. bananin 166-173 helicase for meiosis 1 Homo sapiens 120-128 20818755-0 2010 A graphene-based platform for the assay of duplex-DNA unwinding by helicase. Graphite 2-10 helicase for meiosis 1 Homo sapiens 67-75 20887735-4 2010 The unwinding activity slows the movement of the helicase in a sequence-dependent manner, lowering the average unwinding efficiency to less than 1 bp per ATP cycle. Adenosine Triphosphate 154-157 helicase for meiosis 1 Homo sapiens 49-57 20887735-5 2010 When bound with ATP, the NS3 helicase can display significant translocational diffusion. Adenosine Triphosphate 16-19 helicase for meiosis 1 Homo sapiens 29-37 21105691-6 2010 The structures of Bu(4)N(+) salts of trans-2, mer-3, and fac-3 were determined using X-ray crystallography. bu(4)n(+) 18-27 helicase for meiosis 1 Homo sapiens 46-51 21078962-3 2010 Conversely, HepA-related protein (HARP) protein (also known as SMARCAL1 and DNA-dependent ATPase A) is an annealing helicase that rewinds DNA in an ATP-dependent manner. Adenosine Triphosphate 90-93 helicase for meiosis 1 Homo sapiens 116-124 20669935-8 2010 Helicase activity required a 3"-single-stranded overhang on the third strand and was dependent on ATP hydrolysis. Adenosine Triphosphate 98-101 helicase for meiosis 1 Homo sapiens 0-8 32313315-0 2010 A Graphene-Based Platform for the Assay of Duplex-DNA Unwinding by Helicase. Graphite 2-10 helicase for meiosis 1 Homo sapiens 67-75 20447876-5 2010 WRN missense mutations in helicase or RecQ C-terminal domains interfered with the ability of WRN to rescue rad50 MMS sensitivity. Methyl Methanesulfonate 113-116 helicase for meiosis 1 Homo sapiens 26-34 19451148-5 2009 The requirements of ATP and Mg for the helicase activity were different from those for the ATPase activity. Adenosine Triphosphate 20-23 helicase for meiosis 1 Homo sapiens 39-47 20167273-3 2010 Reagentless biosensors, binding proteins that are labeled with a fluorophore, target products of the helicase reaction, namely ADP, inorganic phosphate or single-stranded DNA, and can be used to measure rates of product formation with little interference to the system. Adenosine Diphosphate 127-130 helicase for meiosis 1 Homo sapiens 101-109 20167273-3 2010 Reagentless biosensors, binding proteins that are labeled with a fluorophore, target products of the helicase reaction, namely ADP, inorganic phosphate or single-stranded DNA, and can be used to measure rates of product formation with little interference to the system. Phosphates 132-151 helicase for meiosis 1 Homo sapiens 101-109 20167273-5 2010 The methods are described in terms of PcrA, a bacterial DNA helicase that moves in single base steps along either single-stranded or double-stranded DNA, hydrolyzing one ATP per base moved. Adenosine Triphosphate 170-173 helicase for meiosis 1 Homo sapiens 60-68 20167274-4 2010 Synthetic oligonucleotides site-specifically labeled with either Cy3 or Cy5 can be used to create a variety of DNA substrates that can be used to characterized DNA binding, as well as helicase translocation and unwinding. Oligonucleotides 10-26 helicase for meiosis 1 Homo sapiens 184-192 20167274-4 2010 Synthetic oligonucleotides site-specifically labeled with either Cy3 or Cy5 can be used to create a variety of DNA substrates that can be used to characterized DNA binding, as well as helicase translocation and unwinding. cy3 65-68 helicase for meiosis 1 Homo sapiens 184-192 20167274-4 2010 Synthetic oligonucleotides site-specifically labeled with either Cy3 or Cy5 can be used to create a variety of DNA substrates that can be used to characterized DNA binding, as well as helicase translocation and unwinding. cyanine dye 5 72-75 helicase for meiosis 1 Homo sapiens 184-192 19817549-3 2009 This technology uses the helicase"s capability to disrupt the hydrogen bonds of a Watson-Crick base pair in order to separate dsDNA. Hydrogen 62-70 helicase for meiosis 1 Homo sapiens 25-33 20363755-2 2010 The helicase separates the strands of DNA and RNA duplexes using the energy from ATP hydrolysis. Adenosine Triphosphate 81-84 helicase for meiosis 1 Homo sapiens 4-12 20363755-3 2010 To understand how ATP hydrolysis is coupled to helicase movement, we measured the single turnover helicase translocation-dissociation kinetics and the pre-steady-state P(i) release kinetics on single-stranded RNA and DNA substrates of different lengths. Adenosine Triphosphate 18-21 helicase for meiosis 1 Homo sapiens 47-55 20363755-6 2010 The HCV helicase steps on the RNA or DNA one nucleotide at a time, and due to imperfect coupling, not every ATP hydrolysis event produces a successful step. Adenosine Triphosphate 108-111 helicase for meiosis 1 Homo sapiens 8-16 20363755-10 2010 These effects of the protease domain on the helicase can be explained by an improved allosteric cross-talk between the ATP- and nucleic acid-binding sites achieved by the overall stabilization of the helicase domain structure. Adenosine Triphosphate 119-122 helicase for meiosis 1 Homo sapiens 44-52 20363755-10 2010 These effects of the protease domain on the helicase can be explained by an improved allosteric cross-talk between the ATP- and nucleic acid-binding sites achieved by the overall stabilization of the helicase domain structure. Adenosine Triphosphate 119-122 helicase for meiosis 1 Homo sapiens 200-208 20071563-11 2010 Helicase mutant II, with substitutions in the Mg(2+) binding motif II (DEAP to AAAP), showed 50% ATPase activity. magnesium ion 46-52 helicase for meiosis 1 Homo sapiens 0-8 20071563-11 2010 Helicase mutant II, with substitutions in the Mg(2+) binding motif II (DEAP to AAAP), showed 50% ATPase activity. 2,2-diethoxyacetophenone 71-75 helicase for meiosis 1 Homo sapiens 0-8 20071563-11 2010 Helicase mutant II, with substitutions in the Mg(2+) binding motif II (DEAP to AAAP), showed 50% ATPase activity. aaap 79-83 helicase for meiosis 1 Homo sapiens 0-8 19879832-3 2009 By analyzing crystal structures in complexes with RNA and ATP analogs, Thomsen and Berger (2009) now elucidate the molecular basis for unidirectional motion by the hexameric RNA helicase Rho. Adenosine Triphosphate 58-61 helicase for meiosis 1 Homo sapiens 178-186 19451148-5 2009 The requirements of ATP and Mg for the helicase activity were different from those for the ATPase activity. Magnesium 28-30 helicase for meiosis 1 Homo sapiens 39-47 19620285-0 2009 The direct binding of Mrc1, a checkpoint mediator, to Mcm6, a replication helicase, is essential for the replication checkpoint against methyl methanesulfonate-induced stress. Methyl Methanesulfonate 136-159 helicase for meiosis 1 Homo sapiens 74-82 19620285-7 2009 These results strongly suggest for the first time that an Mcm helicase acts as a checkpoint sensor for methyl methanesulfonate-induced DNA damage through direct binding to the replication checkpoint mediator Mrc1. Methyl Methanesulfonate 103-126 helicase for meiosis 1 Homo sapiens 62-70 19306876-0 2009 The effect of 2-deoxy-D-glucose on Werner syndrome RecQ helicase gene. Deoxyglucose 14-31 helicase for meiosis 1 Homo sapiens 56-64 19306876-3 2009 In this study, we examined the changes of telomerase and Werner"s syndrome RecQ (WRN) helicase after treatment with 2DG, because of the involvement of recQ helicase in the regulation of telomeres. Deoxyglucose 116-119 helicase for meiosis 1 Homo sapiens 86-94 19306876-3 2009 In this study, we examined the changes of telomerase and Werner"s syndrome RecQ (WRN) helicase after treatment with 2DG, because of the involvement of recQ helicase in the regulation of telomeres. Deoxyglucose 116-119 helicase for meiosis 1 Homo sapiens 156-164 18951948-0 2009 Regulation of the biochemical function of motif VI of HCV NTPase/helicase by the conserved Phe-loop. Phenylalanine 91-94 helicase for meiosis 1 Homo sapiens 65-73 19185595-3 2009 The NS3h helicase activity was dependent on the presence of NTP and divalent cations, with a preference for ATP and Mn(2+), and required the substrates possessing a 3" un-base-paired region on the RNA template strand. Adenosine Triphosphate 108-111 helicase for meiosis 1 Homo sapiens 9-17 19185595-3 2009 The NS3h helicase activity was dependent on the presence of NTP and divalent cations, with a preference for ATP and Mn(2+), and required the substrates possessing a 3" un-base-paired region on the RNA template strand. Manganese(2+) 116-122 helicase for meiosis 1 Homo sapiens 9-17 19150342-1 2009 We have developed a novel high-throughput screening assay of hepatitis C virus (HCV) nonstructural protein 3 (NS3) helicase inhibitors using the fluorescence-quenching phenomenon via photoinduced electron transfer between fluorescent dyes and guanine bases. Guanine 243-250 helicase for meiosis 1 Homo sapiens 115-123 19150342-3 2009 When dsDNA is unwound by helicase, the dye emits fluorescence owing to its release from the guanine bases. Guanine 92-99 helicase for meiosis 1 Homo sapiens 25-33 19153239-0 2009 The NS4A protein of hepatitis C virus promotes RNA-coupled ATP hydrolysis by the NS3 helicase. Adenosine Triphosphate 59-62 helicase for meiosis 1 Homo sapiens 85-93 19153239-5 2009 Here we show that NS4A enhances the ability of NS3hel to bind RNA in the presence of ATP, thereby acting as a cofactor for helicase activity. Adenosine Triphosphate 85-88 helicase for meiosis 1 Homo sapiens 123-131 19563117-3 2009 They use energy derived from the hydrolysis of nucleotide triphosphates for both bond breakage between complementary bases and translocation of a helicase enzyme along DNA. nucleotide triphosphates 47-71 helicase for meiosis 1 Homo sapiens 146-154 18497749-1 2008 The ring-shaped T7 helicase uses the energy of dTTP hydrolysis to perform the mechanical work of translocation and base pair (bp) separation. thymidine 5'-triphosphate 47-51 helicase for meiosis 1 Homo sapiens 19-27 18497749-7 2008 T7 helicase therefore adjusts both its speed and coupling ratio (bp/dTTP) to match the work of DNA unwinding. thymidine 5'-triphosphate 68-72 helicase for meiosis 1 Homo sapiens 3-11 18299638-8 2008 CONCLUSIONS: By measuring the relative inhibitory concentrations required to overcome particular mutations in the helicase and primase proteins, evidence was obtained that BAY 57-1293 interacts with both components of the helicase-primase complex to achieve maximum potency, whereas for BILS 22BS, this may not be the case. pritelivir 172-183 helicase for meiosis 1 Homo sapiens 114-122 18620531-3 2008 In the latter case, helicase activity is coupled with NTPase and is stimulated by ATP. Adenosine Triphosphate 82-85 helicase for meiosis 1 Homo sapiens 20-28 18620531-6 2008 These compounds were studied as inhibitors of the helicase reaction, and it was shown that imidodiphosphate efficiently inhibited the ATP-dependent helicase reaction and had almost no effect on the ATP-independent duplex unwinding. imidodiphosphonic acid 91-107 helicase for meiosis 1 Homo sapiens 50-58 18620531-6 2008 These compounds were studied as inhibitors of the helicase reaction, and it was shown that imidodiphosphate efficiently inhibited the ATP-dependent helicase reaction and had almost no effect on the ATP-independent duplex unwinding. imidodiphosphonic acid 91-107 helicase for meiosis 1 Homo sapiens 148-156 18620531-6 2008 These compounds were studied as inhibitors of the helicase reaction, and it was shown that imidodiphosphate efficiently inhibited the ATP-dependent helicase reaction and had almost no effect on the ATP-independent duplex unwinding. Adenosine Triphosphate 134-137 helicase for meiosis 1 Homo sapiens 50-58 18620531-6 2008 These compounds were studied as inhibitors of the helicase reaction, and it was shown that imidodiphosphate efficiently inhibited the ATP-dependent helicase reaction and had almost no effect on the ATP-independent duplex unwinding. Adenosine Triphosphate 134-137 helicase for meiosis 1 Homo sapiens 148-156 18620531-7 2008 However, the inhibitory effect of 2 -deoxythymidine 5 -phosphoryl-beta,gamma-hypophosphate was insignificant in both cases, which is due to the possibility of helicase activation by this ATP analog. Adenosine Triphosphate 187-190 helicase for meiosis 1 Homo sapiens 159-167 18299638-8 2008 CONCLUSIONS: By measuring the relative inhibitory concentrations required to overcome particular mutations in the helicase and primase proteins, evidence was obtained that BAY 57-1293 interacts with both components of the helicase-primase complex to achieve maximum potency, whereas for BILS 22BS, this may not be the case. pritelivir 172-183 helicase for meiosis 1 Homo sapiens 222-230 18201743-5 2008 Mutation analyses revealed that all of the residues in the Walker A motif (Gly(199), Lys(200) and Thr(201)), in addition to the polar residues within the NTP-binding pocket (Gln(457), Arg(461) and Arg(464)), and also Arg(458) in the outside of the pocket in the motif IV were crucial for ATPase and helicase activities and virus replication. Arginine 184-187 helicase for meiosis 1 Homo sapiens 299-307 18029358-2 2008 The archaeal Rad3 (xeroderma pigmentosum group D protein (XPD)) helicase is a prototypical member of the Rad3 family, distinct from other related (superfamily II) SF2 enzymes because of a unique insertion containing an iron-sulfur (FeS) cluster. ferrous sulfide 219-230 helicase for meiosis 1 Homo sapiens 64-72 18267969-3 2008 Here the role of a conserved lysine residue in the smaller tier or collar of the E1 helicase domain in ori processing is described. Lysine 29-35 helicase for meiosis 1 Homo sapiens 84-92 18039921-2 2008 Therefore, our studies centered on a viral protein, the NS3 helicase, whose activity is indispensable for replication of the viral RNA, and on its peptide inhibitor that corresponds to a highly conserved arginine-rich sequence of domain 2 of the helicase. Arginine 204-212 helicase for meiosis 1 Homo sapiens 246-254 18029358-0 2008 The iron-containing domain is essential in Rad3 helicases for coupling of ATP hydrolysis to DNA translocation and for targeting the helicase to the single-stranded DNA-double-stranded DNA junction. Iron 4-8 helicase for meiosis 1 Homo sapiens 48-56 18029358-0 2008 The iron-containing domain is essential in Rad3 helicases for coupling of ATP hydrolysis to DNA translocation and for targeting the helicase to the single-stranded DNA-double-stranded DNA junction. Adenosine Triphosphate 74-77 helicase for meiosis 1 Homo sapiens 48-56 18029358-2 2008 The archaeal Rad3 (xeroderma pigmentosum group D protein (XPD)) helicase is a prototypical member of the Rad3 family, distinct from other related (superfamily II) SF2 enzymes because of a unique insertion containing an iron-sulfur (FeS) cluster. Iron 232-235 helicase for meiosis 1 Homo sapiens 64-72 18029358-7 2008 Additionally, we observed specific quenching of the Cy5 fluorescent dye when the FeS cluster of a bound helicase is positioned in close proximity to a Cy5 fluorophore incorporated into the DNA molecule. cyanine dye 5 52-55 helicase for meiosis 1 Homo sapiens 104-112 18029358-7 2008 Additionally, we observed specific quenching of the Cy5 fluorescent dye when the FeS cluster of a bound helicase is positioned in close proximity to a Cy5 fluorophore incorporated into the DNA molecule. cyanine dye 5 151-154 helicase for meiosis 1 Homo sapiens 104-112 17562711-5 2007 We demonstrated that UAP56 is an ATP-dependent RNA helicase that can unwind substrates with 5" or 3" overhangs or blunt ends in vitro. Adenosine Triphosphate 33-36 helicase for meiosis 1 Homo sapiens 51-59 18213401-5 2008 Both thermal and GuHCl-induced unfolding experiments confirmed the multidomain organization of the helicase. guhcl 17-22 helicase for meiosis 1 Homo sapiens 99-107 17503741-0 2007 Inhibition of Simian virus 40 large T antigen helicase activity by fluoroquinolones. Fluoroquinolones 67-83 helicase for meiosis 1 Homo sapiens 46-54 17373706-1 2007 Hepatitis C virus NS3 helicase is an enzyme that unwinds double-stranded polynucleotides in an ATP-dependent reaction. Polynucleotides 73-88 helicase for meiosis 1 Homo sapiens 22-30 17373706-1 2007 Hepatitis C virus NS3 helicase is an enzyme that unwinds double-stranded polynucleotides in an ATP-dependent reaction. Adenosine Triphosphate 95-98 helicase for meiosis 1 Homo sapiens 22-30 17550887-0 2007 Detection of HSV-1 variants highly resistant to the helicase-primase inhibitor BAY 57-1293 at high frequency in 2 of 10 recent clinical isolates of HSV-1. pritelivir 79-90 helicase for meiosis 1 Homo sapiens 52-60 17550887-1 2007 OBJECTIVES: BAY 57-1293 is a helicase-primase inhibitor (HPI) from a new class of antivirals that are highly efficacious in herpes simplex virus (HSV)-1 animal infection models. pritelivir 12-23 helicase for meiosis 1 Homo sapiens 29-37 17113777-2 2007 The results suggest that phenylglycine might be capable of interacting with the NS3 (protease-helicase/NTPase) in ways not possible for the common P2 proline-based inhibitors. 2-phenylglycine 25-38 helicase for meiosis 1 Homo sapiens 94-102 17503741-2 2007 Inhibition of gyrase activity by quinolones involves the interaction of these drugs with the helicase component of bacterial gyrase. Quinolones 33-43 helicase for meiosis 1 Homo sapiens 93-101 17503741-7 2007 In addition, we found that each of these quinolones was inhibitory to the helicase activity of SV40 large tumour antigen. Quinolones 41-51 helicase for meiosis 1 Homo sapiens 74-82 17503741-8 2007 CONCLUSIONS: Fluoroquinolones and their derivates may therefore be useful in the treatment and/or prevention of infection by SV40-homologous human DNA viruses that encode helicase activity for their survival. Fluoroquinolones 13-29 helicase for meiosis 1 Homo sapiens 171-179 17032657-3 2006 We report here two novel activities of both the yeast and human Dna2 helicase/nuclease protein: single strand annealing and ATP-independent strand exchange on short duplexes. Adenosine Triphosphate 124-127 helicase for meiosis 1 Homo sapiens 69-77 17132162-6 2006 RESULTS: An improved assay to determine helicase directionality was developed that uses a substrate containing biotinylated oligonucleotides. Oligonucleotides 124-140 helicase for meiosis 1 Homo sapiens 40-48 17132162-9 2006 CONCLUSION: It is shown here that the use of a biotin-streptavidin complex as a helicase substrate improves helicase activity and the determination of helicase directionality. Biotin 47-53 helicase for meiosis 1 Homo sapiens 80-88 17132162-9 2006 CONCLUSION: It is shown here that the use of a biotin-streptavidin complex as a helicase substrate improves helicase activity and the determination of helicase directionality. Biotin 47-53 helicase for meiosis 1 Homo sapiens 108-116 17132162-9 2006 CONCLUSION: It is shown here that the use of a biotin-streptavidin complex as a helicase substrate improves helicase activity and the determination of helicase directionality. Biotin 47-53 helicase for meiosis 1 Homo sapiens 108-116 16950766-10 2006 Use of ATP to activate the helicase function did not aid flap displacement by exchange, suggesting that this is a helicase-independent mechanism of complex dissociation. Adenosine Triphosphate 7-10 helicase for meiosis 1 Homo sapiens 27-35 16893956-0 2006 Role of ATP hydrolysis in the DNA translocase activity of the bovine papillomavirus (BPV-1) E1 helicase. Adenosine Triphosphate 8-11 helicase for meiosis 1 Homo sapiens 95-103 17027480-1 2006 The first crystal structure of a ring helicase encircling single-stranded DNA reveals a mechanism for ATP-dependent DNA translocation. Adenosine Triphosphate 102-105 helicase for meiosis 1 Homo sapiens 38-46 16973432-4 2006 Three absolutely conserved cysteine residues provide ligands for the Fe-S cluster, which is essential for the helicase activity of XPD. Cysteine 27-35 helicase for meiosis 1 Homo sapiens 110-118 16973432-4 2006 Three absolutely conserved cysteine residues provide ligands for the Fe-S cluster, which is essential for the helicase activity of XPD. Iron 69-73 helicase for meiosis 1 Homo sapiens 110-118 16973432-6 2006 Clinically relevant mutations in patients with trichothiodystrophy (TTD) and Fanconi anemia disrupt the Fe-S clusters of XPD and FancJ and thereby abolish helicase activity. Iron 104-108 helicase for meiosis 1 Homo sapiens 155-163 16300943-2 2006 In this report, we show that it is possible to inhibit both the ATPase and the helicase activities of a DNA helicase with dibenzothiepins that bind at its nucleic acid binding site. Dibenzothiepins 122-137 helicase for meiosis 1 Homo sapiens 79-87 16522649-3 2006 The primary sequence and biochemical analysis suggest that hPif1 is a potential homologue of Escherichia coli RecD, an ATP-dependent 5" to 3" DNA helicase. Adenosine Triphosphate 119-122 helicase for meiosis 1 Homo sapiens 146-154 16380375-0 2006 Inhibition of Werner syndrome helicase activity by benzo[a]pyrene diol epoxide adducts can be overcome by replication protein A. RecQ helicases are believed to function in repairing replication forks stalled by DNA damage and may also play a role in the intra-S-phase checkpoint, which delays the replication of damaged DNA, thus permitting repair to occur. 7,8-Dihydro-7,8-dihydroxybenzo(a)pyrene 9,10-oxide 51-78 helicase for meiosis 1 Homo sapiens 30-38 16380375-3 2006 The results demonstrate that WRN helicase activity is inhibited in a strand-specific manner by BaP DE-dG adducts only when on the translocating strand. Benzo(a)pyrene 95-98 helicase for meiosis 1 Homo sapiens 33-41 16380375-5 2006 In contrast, helicase activity is only mildly affected by intercalating BaP DE-dA adducts that locally perturb DNA double helical structure. Benzo(a)pyrene 72-75 helicase for meiosis 1 Homo sapiens 13-21 16474403-2 2006 The mechanism for helicase activity can be studied using oligonucleotide substrates to measure formation of single-stranded (ss) DNA from double-stranded (ds) DNA. Oligonucleotides 57-72 helicase for meiosis 1 Homo sapiens 18-26 16300943-2 2006 In this report, we show that it is possible to inhibit both the ATPase and the helicase activities of a DNA helicase with dibenzothiepins that bind at its nucleic acid binding site. Dibenzothiepins 122-137 helicase for meiosis 1 Homo sapiens 108-116 16611118-7 2006 The helicase inhibitors discussed here influence rates of helicase-catalyzed DNA (or RNA) unwinding by preventing ATP hydrolysis, nucleic acid binding, nucleic acid release, or by disrupting the interaction of a helicase with a required cofactor. Adenosine Triphosphate 114-117 helicase for meiosis 1 Homo sapiens 4-12 16611118-7 2006 The helicase inhibitors discussed here influence rates of helicase-catalyzed DNA (or RNA) unwinding by preventing ATP hydrolysis, nucleic acid binding, nucleic acid release, or by disrupting the interaction of a helicase with a required cofactor. Adenosine Triphosphate 114-117 helicase for meiosis 1 Homo sapiens 58-66 16611118-7 2006 The helicase inhibitors discussed here influence rates of helicase-catalyzed DNA (or RNA) unwinding by preventing ATP hydrolysis, nucleic acid binding, nucleic acid release, or by disrupting the interaction of a helicase with a required cofactor. Adenosine Triphosphate 114-117 helicase for meiosis 1 Homo sapiens 58-66 15917436-9 2005 Replacement of cytosine-guanine pairs with cytosine-inosine pairs in the duplex restored unwinding, suggesting that mammalian Mcm4/6/7 helicase has difficulties in unwinding stably base-paired duplex. cytosine-inosine 43-59 helicase for meiosis 1 Homo sapiens 135-143 17142233-6 2006 Rep forms a large oligomeric complex and the helicase activity is dependent on the oligomeric conformation ( approximately 24mer). N,N-DIETHYLBENZAMIDE 0-3 helicase for meiosis 1 Homo sapiens 45-53 16304143-0 2005 Biphenylsulfonacetic acid inhibitors of the human papillomavirus type 6 E1 helicase inhibit ATP hydrolysis by an allosteric mechanism involving tyrosine 486. biphenylsulfonacetic acid 0-25 helicase for meiosis 1 Homo sapiens 75-83 16304143-0 2005 Biphenylsulfonacetic acid inhibitors of the human papillomavirus type 6 E1 helicase inhibit ATP hydrolysis by an allosteric mechanism involving tyrosine 486. Adenosine Triphosphate 92-95 helicase for meiosis 1 Homo sapiens 75-83 16304143-0 2005 Biphenylsulfonacetic acid inhibitors of the human papillomavirus type 6 E1 helicase inhibit ATP hydrolysis by an allosteric mechanism involving tyrosine 486. Tyrosine 144-152 helicase for meiosis 1 Homo sapiens 75-83 16314308-0 2005 Bis-aptazyme sensors for hepatitis C virus replicase and helicase without blank signal. bis-aptazyme 0-12 helicase for meiosis 1 Homo sapiens 57-65 16314308-7 2005 In addition, a bis-aptazyme of dual functions was designed by inserting both aptamers for HCV replicase and helicase into the stem I and stem III of hammerhead ribozyme, respectively, and it also showed greater sensitivity and specificity for both proteins without blank signal. bis-aptazyme 15-27 helicase for meiosis 1 Homo sapiens 108-116 15917436-9 2005 Replacement of cytosine-guanine pairs with cytosine-inosine pairs in the duplex restored unwinding, suggesting that mammalian Mcm4/6/7 helicase has difficulties in unwinding stably base-paired duplex. cytosine-guanine 15-31 helicase for meiosis 1 Homo sapiens 135-143 15697627-4 2005 In active opening, the helicase directly destabilizes the double-stranded nucleic acid (dsNA) to promote opening. double-stranded 58-73 helicase for meiosis 1 Homo sapiens 23-31 15533938-9 2005 Therefore, S(3)" and in particular the hydrogen bonding potential of Tyr(189) is a specific molecular determinant for MMP-8 triple helicase activity. Hydrogen 39-47 helicase for meiosis 1 Homo sapiens 131-139 15533938-9 2005 Therefore, S(3)" and in particular the hydrogen bonding potential of Tyr(189) is a specific molecular determinant for MMP-8 triple helicase activity. Tyrosine 69-72 helicase for meiosis 1 Homo sapiens 131-139 16245647-5 2005 N-alkylation of this benzotriazole compound enhanced inhibitory activity and selectivity towards the helicase activity of HCV NTPase/helicase. benzotriazole 21-34 helicase for meiosis 1 Homo sapiens 101-109 16245647-5 2005 N-alkylation of this benzotriazole compound enhanced inhibitory activity and selectivity towards the helicase activity of HCV NTPase/helicase. benzotriazole 21-34 helicase for meiosis 1 Homo sapiens 133-141 16245647-9 2005 Although a number of N(1) and N(2) alkyl derivatives exerted good HCV and WNV helicase inhibitory activity when DNA was used as substrate, the activity was strongly decreased or even disappeared when RNA was used as substrate. 4-(2-(4-isopropylbenzamido)ethoxy)benzoic acid 21-25 helicase for meiosis 1 Homo sapiens 78-86 16245647-9 2005 Although a number of N(1) and N(2) alkyl derivatives exerted good HCV and WNV helicase inhibitory activity when DNA was used as substrate, the activity was strongly decreased or even disappeared when RNA was used as substrate. n(2) alkyl 30-40 helicase for meiosis 1 Homo sapiens 78-86 15579905-9 2005 We found activation of the helicase by ATP did not alter BLM stimulation of cleavage of unstructured flaps. Adenosine Triphosphate 39-42 helicase for meiosis 1 Homo sapiens 27-35 15579905-13 2005 Moderate helicase-dependent stimulation was observed with both fixed and equilibrating CTG flaps. ctg 87-90 helicase for meiosis 1 Homo sapiens 9-17 15528191-1 2005 The eukaryotic translation factor 4A (eIF4A) is a member of DEA(D/H)-box RNA helicase family, a diverse group of proteins that couples ATP hydrolysis to RNA binding and duplex separation. Adenosine Triphosphate 135-138 helicase for meiosis 1 Homo sapiens 77-85 15697627-4 2005 In active opening, the helicase directly destabilizes the double-stranded nucleic acid (dsNA) to promote opening. dsna 88-92 helicase for meiosis 1 Homo sapiens 23-31 15585580-5 2004 The structures reveal a unique spatial arrangement of the two conserved helicase domains, and ADP-binding induces significant conformational changes of key residues in the ATP-binding pocket. Adenosine Diphosphate 94-97 helicase for meiosis 1 Homo sapiens 72-80 15585580-5 2004 The structures reveal a unique spatial arrangement of the two conserved helicase domains, and ADP-binding induces significant conformational changes of key residues in the ATP-binding pocket. Adenosine Triphosphate 172-175 helicase for meiosis 1 Homo sapiens 72-80 15561143-1 2004 Processive DNA helicases are able to translocate along single-stranded DNA (ssDNA) with biased directionality in a nucleoside triphosphate-dependent reaction, although translocation is not generally sufficient for helicase activity. [[(2R,3S,4R,5S)-3,4-dihydroxy-5-methyloxolan-2-yl]methoxy-hydroxyphosphoryl] phosphono hydrogen phosphate 115-138 helicase for meiosis 1 Homo sapiens 15-23 15541341-4 2004 NEO-III-14U was shown to inhibit the NS3 protease activity more efficiently than the original aptamer and, furthermore, to efficiently inhibit the unwinding reaction by NS3 helicase. neo-iii-14u 0-11 helicase for meiosis 1 Homo sapiens 173-181 15485882-6 2004 The N-terminal helicase domain also specifically unwound fork-structured DNA and Holliday junction DNA in the presence of ATP. Adenosine Triphosphate 122-125 helicase for meiosis 1 Homo sapiens 15-23 15485237-6 2004 While for neutral clusters, the Si(10) is magic, the extra stability of the Si(11) (+) cluster over the Si(10) (+) and Si(12) (+) bears evidence for the magic behavior of the Si(11) (+) cluster, which is in excellent agreement with the recent experimental observations. Silicon 76-78 helicase for meiosis 1 Homo sapiens 175-181 15146171-3 2004 Using a series of modified substrates to explore the unwinding mechanism of NPH-II, we observed that the helicase tracks exclusively on the loading strand, where it requires covalent continuity and specifically recognizes the ribose-phosphate backbone. Ribose 226-232 helicase for meiosis 1 Homo sapiens 105-113 15178332-3 2004 A novel direct fluorometric test of helicase activity with a quenched DNA substrate, 3" labeled with a Cy3 dye and 5" labeled with a Black Hole Quencher, was developed and optimal reaction conditions established. cy3 103-106 helicase for meiosis 1 Homo sapiens 36-44 15146171-3 2004 Using a series of modified substrates to explore the unwinding mechanism of NPH-II, we observed that the helicase tracks exclusively on the loading strand, where it requires covalent continuity and specifically recognizes the ribose-phosphate backbone. Phosphates 233-242 helicase for meiosis 1 Homo sapiens 105-113 14561097-0 2003 Potent inhibition of NTPase/helicase of the West Nile Virus by ring-expanded ("fat") nucleoside analogues. Nucleosides 85-95 helicase for meiosis 1 Homo sapiens 28-36 15266895-8 2004 Recently, some promising new drugs have been discovered; one of these compounds, developed at Bayer HealthCare under the name BAY 57-1293, is a potent HSV helicase primase inhibitor. pritelivir 126-137 helicase for meiosis 1 Homo sapiens 155-163 12975372-6 2003 The helicase activity has an absolute requirement for hydrolysis of a nucleoside 5"-triphosphate, with UTP being the optimal substrate. nucleoside 5"-triphosphate 70-96 helicase for meiosis 1 Homo sapiens 4-12 12975372-6 2003 The helicase activity has an absolute requirement for hydrolysis of a nucleoside 5"-triphosphate, with UTP being the optimal substrate. Uridine Triphosphate 103-106 helicase for meiosis 1 Homo sapiens 4-12 14623116-5 2003 We have analysed full-length and truncated NS3 proteins from Powassan virus (a tick-borne flavivirus) to investigate the role that the Q motif plays in the hydrolysis of ATP by a viral helicase. Adenosine Triphosphate 170-173 helicase for meiosis 1 Homo sapiens 185-193 14747711-0 2004 Crystallization and preliminary X-ray analysis of the helicase domains of Vasa complexed with RNA and an ATP analogue. Adenosine Triphosphate 105-108 helicase for meiosis 1 Homo sapiens 54-62 14561097-7 2003 This activating effect underwent further dramatic enhancement (>1000%) by further increases in ATP concentration in the reaction mixture, suggesting that the viral helicase and NTPase reactions are not coupled. Adenosine Triphosphate 98-101 helicase for meiosis 1 Homo sapiens 167-175 12917423-4 2003 We provide the first quantitative analysis of the polynucleic acid binding and NTPase activities of a Nidovirus helicase, using a high throughput phosphate release assay that will be readily adaptable to the future testing of helicase inhibitors. polynucleic acid 50-66 helicase for meiosis 1 Homo sapiens 112-120 12881525-0 2003 Inhibition of Werner syndrome helicase activity by benzo[c]phenanthrene diol epoxide dA adducts in DNA is both strand-and stereoisomer-dependent. benzo[c]phenanthrene diol epoxide 51-84 helicase for meiosis 1 Homo sapiens 30-38 12881525-2 2003 Here we examined the effect of cis- and trans-opened 3,4-diol 1,2-epoxide (DE) DNA adducts of benzo[c]phenanthrene (BcPh) at N6 of adenine on helicase activity. benzo(c)phenanthrene 94-114 helicase for meiosis 1 Homo sapiens 142-150 12881525-2 2003 Here we examined the effect of cis- and trans-opened 3,4-diol 1,2-epoxide (DE) DNA adducts of benzo[c]phenanthrene (BcPh) at N6 of adenine on helicase activity. benzo(c)phenanthrene 116-120 helicase for meiosis 1 Homo sapiens 142-150 12881525-2 2003 Here we examined the effect of cis- and trans-opened 3,4-diol 1,2-epoxide (DE) DNA adducts of benzo[c]phenanthrene (BcPh) at N6 of adenine on helicase activity. Adenine 131-138 helicase for meiosis 1 Homo sapiens 142-150 12917423-4 2003 We provide the first quantitative analysis of the polynucleic acid binding and NTPase activities of a Nidovirus helicase, using a high throughput phosphate release assay that will be readily adaptable to the future testing of helicase inhibitors. polynucleic acid 50-66 helicase for meiosis 1 Homo sapiens 226-234 12917423-4 2003 We provide the first quantitative analysis of the polynucleic acid binding and NTPase activities of a Nidovirus helicase, using a high throughput phosphate release assay that will be readily adaptable to the future testing of helicase inhibitors. Phosphates 146-155 helicase for meiosis 1 Homo sapiens 112-120 12917423-5 2003 All eight common NTPs and dNTPs were hydrolyzed by the SARS helicase in a magnesium-dependent reaction, stimulated by the presence of either single-stranded DNA or RNA. ntps 17-21 helicase for meiosis 1 Homo sapiens 60-68 12917423-5 2003 All eight common NTPs and dNTPs were hydrolyzed by the SARS helicase in a magnesium-dependent reaction, stimulated by the presence of either single-stranded DNA or RNA. Parathion 26-31 helicase for meiosis 1 Homo sapiens 60-68 12917423-5 2003 All eight common NTPs and dNTPs were hydrolyzed by the SARS helicase in a magnesium-dependent reaction, stimulated by the presence of either single-stranded DNA or RNA. Magnesium 74-83 helicase for meiosis 1 Homo sapiens 60-68 12649492-0 2003 RNA aptamers to initiation factor 4A helicase hinder cap-dependent translation by blocking ATP hydrolysis. Adenosine Triphosphate 91-94 helicase for meiosis 1 Homo sapiens 37-45 12851713-1 2003 RNA helicase A (RHA) is a member of ATPase/helicase and regulates the transcription through recruitment of Pol II and/or by ATP dependent mechanisms. Adenosine Triphosphate 36-39 helicase for meiosis 1 Homo sapiens 4-12 12634355-5 2003 Unlike related proteins, different nucleic acid sequences stimulate ATP hydrolysis by HCV helicase at different maximum rates and with different apparent efficiencies. Adenosine Triphosphate 68-71 helicase for meiosis 1 Homo sapiens 90-98 12853154-9 2003 Potent and long-lasting antibody response was raised against conserved NS3 regions including "Greek-key" motif of protease, motifs II, V and polynucleotide-binding domains of ATPase/helicase. Polynucleotides 141-155 helicase for meiosis 1 Homo sapiens 182-190 12718544-0 2003 A bis-alkylating triplex forming oligonucleotide inhibits intracellular reporter gene expression and prevents triplex unwinding due to helicase activity. triplex forming oligonucleotide 17-48 helicase for meiosis 1 Homo sapiens 135-143 12718544-6 2003 Helicase assays demonstrated that helicase activity can unwind the TFO at the unalkylated end of the triple helix, which may leave the unwound oligonucleotide susceptible to nuclease degradation or ineffective at inhibiting transcription initiation. tfo 67-70 helicase for meiosis 1 Homo sapiens 0-8 12718544-6 2003 Helicase assays demonstrated that helicase activity can unwind the TFO at the unalkylated end of the triple helix, which may leave the unwound oligonucleotide susceptible to nuclease degradation or ineffective at inhibiting transcription initiation. tfo 67-70 helicase for meiosis 1 Homo sapiens 34-42 12718544-6 2003 Helicase assays demonstrated that helicase activity can unwind the TFO at the unalkylated end of the triple helix, which may leave the unwound oligonucleotide susceptible to nuclease degradation or ineffective at inhibiting transcription initiation. Oligonucleotides 143-158 helicase for meiosis 1 Homo sapiens 0-8 12718544-6 2003 Helicase assays demonstrated that helicase activity can unwind the TFO at the unalkylated end of the triple helix, which may leave the unwound oligonucleotide susceptible to nuclease degradation or ineffective at inhibiting transcription initiation. Oligonucleotides 143-158 helicase for meiosis 1 Homo sapiens 34-42 12413450-3 2002 Effects of two nonhydrolyzable ATP analogs on helicase denaturation were measured as controls using the isothermal denaturation (ITD) assay. Adenosine Triphosphate 31-34 helicase for meiosis 1 Homo sapiens 46-54 12691532-0 2003 Stimulatory effect of an indirectly attached RNA helicase-recruiting sequence on the suppression of gene expression by antisense oligonucleotides. Oligonucleotides 129-145 helicase for meiosis 1 Homo sapiens 49-57 12413450-4 2002 Two compounds, 4-(2,4-dimethylphenyl)-2,7,8-trimethyl-4,5-quinolinediamine and 2-phenyl-N-(5-piperazin-1-ylpentyl)quinazolin-4-amine, were identified from screening that inhibited the enzyme and had low micromolar dissociation constants for NS3 helicase in the ITD assay. 4-(2,4-dimethylphenyl)-2,7,8-trimethyl-4,5-quinolinediamine 15-74 helicase for meiosis 1 Homo sapiens 245-253 12413450-4 2002 Two compounds, 4-(2,4-dimethylphenyl)-2,7,8-trimethyl-4,5-quinolinediamine and 2-phenyl-N-(5-piperazin-1-ylpentyl)quinazolin-4-amine, were identified from screening that inhibited the enzyme and had low micromolar dissociation constants for NS3 helicase in the ITD assay. 2-phenyl-n-(5-piperazin-1-ylpentyl)quinazolin-4-amine 79-132 helicase for meiosis 1 Homo sapiens 245-253 12413450-5 2002 Low micromolar affinity of the quinolinediamine to helicase was also confirmed by nuclear magnetic resonance experiments. quinolinediamine 31-47 helicase for meiosis 1 Homo sapiens 51-59 12413450-6 2002 Unfortunately, isothermal titration calorimetry (ITC) experiments indicated that a more water-soluble analog bound to the 47/23-mer oligonucleotide helicase substrate with low micromolar affinity as did the substituted quinazolinamine. Water 88-93 helicase for meiosis 1 Homo sapiens 148-156 12413450-6 2002 Unfortunately, isothermal titration calorimetry (ITC) experiments indicated that a more water-soluble analog bound to the 47/23-mer oligonucleotide helicase substrate with low micromolar affinity as did the substituted quinazolinamine. 4-Amino-2-chloro-6,7-dimethoxyquinazoline 219-234 helicase for meiosis 1 Homo sapiens 148-156 11959550-0 2002 Characterization of imidazo[4,5-d]pyridazine nucleosides as modulators of unwinding reaction mediated by West Nile virus nucleoside triphosphatase/helicase: evidence for activity on the level of substrate and/or enzyme. imidazo[4,5-d]pyridazine nucleosides 20-56 helicase for meiosis 1 Homo sapiens 147-155 12237426-3 2002 A series of cysteines located in the envelope protein and the most important enzymatic domains of the virus helicase/NTPase, methyltransferase and RNA-dependent RNA polymerase were found to be highly conserved. Cysteine 12-21 helicase for meiosis 1 Homo sapiens 108-116 12206878-5 2002 There are also other inhibitory mechanisms conceivable, which may involve a modulation of the interaction of the enzyme with its RNA substrate, for example, (iv) the competitive inhibition of RNA binding and (v) the inhibition of the unwinding by sterical blockade of the translocation of the NTPase/helicase along the polynucleotide chain. Polynucleotides 319-333 helicase for meiosis 1 Homo sapiens 300-308 12034714-9 2002 Multiple HCV helicase proteins bind to ssDNA >15 nucleotides in length, with an apparent occluded site of 8-11 nucleotides. 8-11 nucleotides 109-125 helicase for meiosis 1 Homo sapiens 13-21 12162749-0 2002 Hepatitis C virus NS3 ATPase/helicase: an ATP switch regulates the cooperativity among the different substrate binding sites. Adenosine Triphosphate 22-25 helicase for meiosis 1 Homo sapiens 29-37 12162749-3 2002 The aim of our study was to characterize from an enzymological point of view the mechanism of interaction of the full-length NS3 protease/helicase with its nucleic acid (NA) and ATP substrates. Adenosine Triphosphate 178-181 helicase for meiosis 1 Homo sapiens 138-146 12162749-5 2002 Moreover, the observation of a reciprocal influence of both substrates on the kinetics of their interaction with the enzyme suggested that the NS3 helicase works as a dimer which can exist in three functionally different states: (i) an unbound state, with two equivalent low-affinity binding sites for ATP, which shows cooperative high-affinity NA binding; (ii) an ATP-bound state, with two equivalent low-affinity NA binding sites; and (iii) a NA-bound state, with two equivalent high-affinity ATP binding sites. Adenosine Triphosphate 302-305 helicase for meiosis 1 Homo sapiens 147-155 12162749-5 2002 Moreover, the observation of a reciprocal influence of both substrates on the kinetics of their interaction with the enzyme suggested that the NS3 helicase works as a dimer which can exist in three functionally different states: (i) an unbound state, with two equivalent low-affinity binding sites for ATP, which shows cooperative high-affinity NA binding; (ii) an ATP-bound state, with two equivalent low-affinity NA binding sites; and (iii) a NA-bound state, with two equivalent high-affinity ATP binding sites. Adenosine Triphosphate 365-368 helicase for meiosis 1 Homo sapiens 147-155 12162749-5 2002 Moreover, the observation of a reciprocal influence of both substrates on the kinetics of their interaction with the enzyme suggested that the NS3 helicase works as a dimer which can exist in three functionally different states: (i) an unbound state, with two equivalent low-affinity binding sites for ATP, which shows cooperative high-affinity NA binding; (ii) an ATP-bound state, with two equivalent low-affinity NA binding sites; and (iii) a NA-bound state, with two equivalent high-affinity ATP binding sites. Adenosine Triphosphate 365-368 helicase for meiosis 1 Homo sapiens 147-155 11959550-2 2002 In the present study we describe the synthesis and properties of some nucleoside analogues that interact with double-stranded DNA but that, in contrast, facilitate the unwinding reaction mediated by West Nile (WN) virus nucleoside triphosphatase (NTPase)/helicase. Nucleosides 70-80 helicase for meiosis 1 Homo sapiens 255-263 11959550-5 2002 The nucleoside analogues were nevertheless found to be capable of uncoupling the ATPase and helicase activities of the enzyme by a mechanism operating on the level of the enzyme. Nucleosides 4-14 helicase for meiosis 1 Homo sapiens 92-100 11959550-6 2002 Thus, in the case of HMC-HO4, the direct interaction with the enzyme caused inhibition of its helicase activity, with a half-maximal inhibitory concentration of 30 microM. 1-(2'-O-methylribofuranosyl)imidazo(4,5-d)pyridazine-4,7(5H,6H)-dione 21-28 helicase for meiosis 1 Homo sapiens 94-102 11959550-8 2002 Comparative studies performed with the related NTPase/helicase from hepatitis C virus revealed that the extent of the effects mediated by imidazo[4,5-d]pyridazine nucleosides is enzyme specific. imidazo[4,5-d]pyridazine nucleosides 138-174 helicase for meiosis 1 Homo sapiens 54-62 11735402-6 2001 Here, we show that trisubstituted acridine ligands are potent inhibitors of the helicase activity of the BLM and WRN proteins on both G-quadruplex and B-form DNA substrates. Acridines 34-42 helicase for meiosis 1 Homo sapiens 80-88 11927945-2 2002 To target this disease in a new way, we have identified and optimized selective thiazolylphenyl-containing inhibitors of the herpes simplex virus (HSV) helicase-primase enzyme. thiazolylphenyl 80-95 helicase for meiosis 1 Homo sapiens 152-160 11832483-5 2002 Helicase-primase acts on these joint molecules to promote ATP-dependent branch migration. Adenosine Triphosphate 58-61 helicase for meiosis 1 Homo sapiens 0-8 11781105-0 2002 Direct measurement of single-stranded DNA translocation by PcrA helicase using the fluorescent base analogue 2-aminopurine. 2-Aminopurine 109-122 helicase for meiosis 1 Homo sapiens 64-72 11781105-1 2002 Use of the fluorescent base analogue 2-aminopurine has provided a direct demonstration of the translocation of PcrA helicase toward the 5"-end of single-stranded DNA. 2-Aminopurine 37-50 helicase for meiosis 1 Homo sapiens 116-124 11781105-4 2002 A full kinetic model is presented for ATP-dependent DNA translocation by PcrA helicase. Adenosine Triphosphate 38-41 helicase for meiosis 1 Homo sapiens 78-86 11238848-7 2001 Further analysis using guanine and O(6)-benzoylguanine derivatives revealed that the ATPase activity of WN virus NTPase/helicase may be modulated, i.e., increased or reduced, with no effect on the helicase activity of the enzyme. Guanine 23-30 helicase for meiosis 1 Homo sapiens 120-128 11559795-8 2001 Two further mutations, one in motif VI (R457A,R458A) and the other a clustered charged-to-alanine substitution at R(376)KNGK(380), abolished helicase activity only. Alanine 90-97 helicase for meiosis 1 Homo sapiens 141-149 11238848-7 2001 Further analysis using guanine and O(6)-benzoylguanine derivatives revealed that the ATPase activity of WN virus NTPase/helicase may be modulated, i.e., increased or reduced, with no effect on the helicase activity of the enzyme. o(6)-benzoylguanine 35-54 helicase for meiosis 1 Homo sapiens 120-128 11697897-0 2001 Hepatitis C virus NS3 NTPase/helicase: different stereoselectivity in nucleoside triphosphate utilisation suggests that NTPase and helicase activities are coupled by a nucleotide-dependent rate limiting step. [[(2R,3S,4R,5S)-3,4-dihydroxy-5-methyloxolan-2-yl]methoxy-hydroxyphosphoryl] phosphono hydrogen phosphate 70-93 helicase for meiosis 1 Homo sapiens 29-37 11697897-0 2001 Hepatitis C virus NS3 NTPase/helicase: different stereoselectivity in nucleoside triphosphate utilisation suggests that NTPase and helicase activities are coupled by a nucleotide-dependent rate limiting step. [[(2R,3S,4R,5S)-3,4-dihydroxy-5-methyloxolan-2-yl]methoxy-hydroxyphosphoryl] phosphono hydrogen phosphate 70-93 helicase for meiosis 1 Homo sapiens 131-139 11697897-4 2001 We have performed an extensive analysis of the substrate specificities of both NS3 NTPase and helicase activities with respect to all four dNTPs as well as with dideoxynucleoside triphoshate (ddNTP) analogs, including both d-(beta) and l-(beta)-deoxy and dideoxy-nucleoside triphosphates. dntps 139-144 helicase for meiosis 1 Homo sapiens 94-102 11697897-4 2001 We have performed an extensive analysis of the substrate specificities of both NS3 NTPase and helicase activities with respect to all four dNTPs as well as with dideoxynucleoside triphoshate (ddNTP) analogs, including both d-(beta) and l-(beta)-deoxy and dideoxy-nucleoside triphosphates. dideoxynucleoside triphoshate 161-190 helicase for meiosis 1 Homo sapiens 94-102 11697897-4 2001 We have performed an extensive analysis of the substrate specificities of both NS3 NTPase and helicase activities with respect to all four dNTPs as well as with dideoxynucleoside triphoshate (ddNTP) analogs, including both d-(beta) and l-(beta)-deoxy and dideoxy-nucleoside triphosphates. ddntp 192-197 helicase for meiosis 1 Homo sapiens 94-102 11697897-4 2001 We have performed an extensive analysis of the substrate specificities of both NS3 NTPase and helicase activities with respect to all four dNTPs as well as with dideoxynucleoside triphoshate (ddNTP) analogs, including both d-(beta) and l-(beta)-deoxy and dideoxy-nucleoside triphosphates. d-(beta) and l-(beta)-deoxy and dideoxy-nucleoside triphosphates 223-287 helicase for meiosis 1 Homo sapiens 94-102 11697897-7 2001 On the contrary, the helicase activity had more strict substrate selectivity, since, among d-(beta)-nucleotides, only ddTTP and its analog 2",3"-didehydro-thymidine triphosphate could be used as substrates with an efficiency comparable to ATP, whereas among l-(beta)-nucleotides, only l-(beta)-dATP was utilised. d-(beta)-nucleotides 91-111 helicase for meiosis 1 Homo sapiens 21-29 11697897-7 2001 On the contrary, the helicase activity had more strict substrate selectivity, since, among d-(beta)-nucleotides, only ddTTP and its analog 2",3"-didehydro-thymidine triphosphate could be used as substrates with an efficiency comparable to ATP, whereas among l-(beta)-nucleotides, only l-(beta)-dATP was utilised. 2",3"-didehydro-thymidine triphosphate 139-177 helicase for meiosis 1 Homo sapiens 21-29 11697897-7 2001 On the contrary, the helicase activity had more strict substrate selectivity, since, among d-(beta)-nucleotides, only ddTTP and its analog 2",3"-didehydro-thymidine triphosphate could be used as substrates with an efficiency comparable to ATP, whereas among l-(beta)-nucleotides, only l-(beta)-dATP was utilised. Adenosine Triphosphate 239-242 helicase for meiosis 1 Homo sapiens 21-29 11697897-7 2001 On the contrary, the helicase activity had more strict substrate selectivity, since, among d-(beta)-nucleotides, only ddTTP and its analog 2",3"-didehydro-thymidine triphosphate could be used as substrates with an efficiency comparable to ATP, whereas among l-(beta)-nucleotides, only l-(beta)-dATP was utilised. l-(beta)-nucleotides 258-278 helicase for meiosis 1 Homo sapiens 21-29 11697897-7 2001 On the contrary, the helicase activity had more strict substrate selectivity, since, among d-(beta)-nucleotides, only ddTTP and its analog 2",3"-didehydro-thymidine triphosphate could be used as substrates with an efficiency comparable to ATP, whereas among l-(beta)-nucleotides, only l-(beta)-dATP was utilised. 2'-Deoxy-beta-L-adenosine 285-298 helicase for meiosis 1 Homo sapiens 21-29 11697897-8 2001 Comparison of the steady-state kinetic parameters for both reactions, suggested that dATP, l-(beta)-dCTP and l-(beta)-dTTP, specifically reduced a rate limiting step present in the helicase, but not in the NTPase, reaction pathway. 2'-deoxyadenosine triphosphate 85-89 helicase for meiosis 1 Homo sapiens 181-189 11697897-8 2001 Comparison of the steady-state kinetic parameters for both reactions, suggested that dATP, l-(beta)-dCTP and l-(beta)-dTTP, specifically reduced a rate limiting step present in the helicase, but not in the NTPase, reaction pathway. 3-((6-(2-methoxyphenyl)pyrimidin-4-yl)amino)phenyl)methane sulfonamide 91-104 helicase for meiosis 1 Homo sapiens 181-189 11697897-8 2001 Comparison of the steady-state kinetic parameters for both reactions, suggested that dATP, l-(beta)-dCTP and l-(beta)-dTTP, specifically reduced a rate limiting step present in the helicase, but not in the NTPase, reaction pathway. l-(beta)-dttp 109-122 helicase for meiosis 1 Homo sapiens 181-189 11697897-9 2001 These results suggest that NS3-associated NTPase and helicase activities have different sensitivities towards different classes of deoxy and dideoxy-nucleoside analogs, depending on a specific step in the reaction, as well as show different enantioselectivity for the d-(beta) and l-(beta)-conformations of the sugar ring. oxytocin, 1-desamino-(O-Et-Tyr)(2)- 131-136 helicase for meiosis 1 Homo sapiens 53-61 11697897-9 2001 These results suggest that NS3-associated NTPase and helicase activities have different sensitivities towards different classes of deoxy and dideoxy-nucleoside analogs, depending on a specific step in the reaction, as well as show different enantioselectivity for the d-(beta) and l-(beta)-conformations of the sugar ring. Dideoxynucleosides 141-159 helicase for meiosis 1 Homo sapiens 53-61 11697897-9 2001 These results suggest that NS3-associated NTPase and helicase activities have different sensitivities towards different classes of deoxy and dideoxy-nucleoside analogs, depending on a specific step in the reaction, as well as show different enantioselectivity for the d-(beta) and l-(beta)-conformations of the sugar ring. Sugars 311-316 helicase for meiosis 1 Homo sapiens 53-61 11507224-3 2001 We now show interaction between Zta and the helicase (BBLF4) and map the binding region to within amino acids (aa) 22 to 86 of the Zta activation domain. zta 32-35 helicase for meiosis 1 Homo sapiens 44-52 11507224-3 2001 We now show interaction between Zta and the helicase (BBLF4) and map the binding region to within amino acids (aa) 22 to 86 of the Zta activation domain. zta 131-134 helicase for meiosis 1 Homo sapiens 44-52 11507224-11 2001 Cells transfected with Zta variants that were defective for helicase binding still formed replication compartments, but Zta was excluded from these compartments. zta 23-26 helicase for meiosis 1 Homo sapiens 60-68 11551790-0 2001 A common mechanism for ATP hydrolysis in ABC transporter and helicase superfamilies. Adenosine Triphosphate 23-26 helicase for meiosis 1 Homo sapiens 61-69 11181034-0 2001 Biotin-streptavidin-labeled oligonucleotides as probes of helicase mechanisms. Biotin 0-6 helicase for meiosis 1 Homo sapiens 58-66 11181034-0 2001 Biotin-streptavidin-labeled oligonucleotides as probes of helicase mechanisms. Oligonucleotides 28-44 helicase for meiosis 1 Homo sapiens 58-66 11181034-7 2001 Several applications of oligonucleotides labeled with biotin-streptavidin for the study of helicase mechanisms are described. Oligonucleotides 24-40 helicase for meiosis 1 Homo sapiens 91-99 11181034-7 2001 Several applications of oligonucleotides labeled with biotin-streptavidin for the study of helicase mechanisms are described. Biotin 54-60 helicase for meiosis 1 Homo sapiens 91-99 10924124-0 2000 Inhibition of unwinding of G-quadruplex structures by Sgs1 helicase in the presence of N,N"-bis[2-(1-piperidino)ethyl]-3,4,9,10-perylenetetracarboxylic diimide, a G-quadruplex-interactive ligand. N,N'-bis(2-1(piperidino)-ethyl)-3,4,9,10-perylene-tetracarboxylic diimide 87-159 helicase for meiosis 1 Homo sapiens 59-67 12836307-5 2001 NEO-III-14U was able to inhibit the unwinding of duplex DNA catalyzed by the Full-NS3 helicase activity as well as the protease activity in vitro. neo-iii-14u 0-11 helicase for meiosis 1 Homo sapiens 86-94 11833782-1 2001 In the presented study the ribavirin-TP--an established inhibitor of the NTPase activity of the superfamily NTPase/helicases II--was investigated as an inhibitor of the unwinding activity of the hepatitis C virus (HCV) NTPase/helicase. ribavirin 5'-triphosphate 27-39 helicase for meiosis 1 Homo sapiens 115-123 11833782-2 2001 The kinetics of the reaction revealed that ribavirin-TP reduces the turnover number of the helicase reaction by a mechanism that does not correspond to that of the inhibition of the NTPase activity. ribavirin 5'-triphosphate 43-55 helicase for meiosis 1 Homo sapiens 91-99 10924124-4 2000 In this report, we present data demonstrating that PIPER prevents the unwinding of G-quadruplex structures by yeast Sgs1 helicase. N,N'-bis(2-1(piperidino)-ethyl)-3,4,9,10-perylene-tetracarboxylic diimide 51-56 helicase for meiosis 1 Homo sapiens 121-129 10769077-7 2000 Finally, our analysis of NS3 processive unwinding under single cycle conditions by addition of heparin in both helicase and RNA-stimulated ATPase assays led to two conclusions: (i) NS3-associated helicase acts processively; (ii) most of the NS3 RNA-stimulated ATPase activity may not be directly coupled to translocation of the enzyme along the substrate RNA molecule. Heparin 95-102 helicase for meiosis 1 Homo sapiens 196-204 10899133-1 2000 DNA footprinting and nuclease protection studies of PcrA helicase complexed with a 3"-tailed DNA duplex reveal a contact region that covers a significant region of the substrate both in the presence and absence of a non-hydrolysable analogue of ATP, ADPNP. Adenosine Triphosphate 245-248 helicase for meiosis 1 Homo sapiens 57-65 10899133-1 2000 DNA footprinting and nuclease protection studies of PcrA helicase complexed with a 3"-tailed DNA duplex reveal a contact region that covers a significant region of the substrate both in the presence and absence of a non-hydrolysable analogue of ATP, ADPNP. adpnp 250-255 helicase for meiosis 1 Homo sapiens 57-65 10819984-1 2000 HCV helicase [E(wt)] catalyzed strand separation of a short DNA duplex (F21:HF31) formed from a 5"-hexachlorofluorescein-tagged 31-mer (HF31) and a 3"-fluorescein-tagged 21-mer (F21) complementary to the 5"-end of HF31. 5"-hexachlorofluorescein 96-120 helicase for meiosis 1 Homo sapiens 4-12 10819984-1 2000 HCV helicase [E(wt)] catalyzed strand separation of a short DNA duplex (F21:HF31) formed from a 5"-hexachlorofluorescein-tagged 31-mer (HF31) and a 3"-fluorescein-tagged 21-mer (F21) complementary to the 5"-end of HF31. 3"-fluorescein 148-162 helicase for meiosis 1 Homo sapiens 4-12 10819984-8 2000 The dissociation constants of HCV helicase for F21, HF31, and F21:HF31 in the absence of Mg(2+) were 0.6 +/- 0.4, 6 +/- 1, and 7.3 +/- 0.9 nM, respectively. Magnesium 89-91 helicase for meiosis 1 Homo sapiens 34-42 10819984-10 2000 hE(wt) and E(wt) bound F21 and HF31 with similar affinities and had similar ATP-dependent helicase activities, whereas hE(V432A) bound F21 and HF31 with affinities similar to that of E(wt) but had greatly reduced ATP-dependent helicase activities. Adenosine Triphosphate 76-79 helicase for meiosis 1 Homo sapiens 90-98 10092010-5 1999 Helicase and NTPase activities were dependent on Mg2+ and ATP and inhibited by monovalent cations. magnesium ion 49-53 helicase for meiosis 1 Homo sapiens 0-8 10961691-0 2000 ATP-binding domain of NTPase/helicase as a target for hepatitis C antiviral therapy. Adenosine Triphosphate 0-3 helicase for meiosis 1 Homo sapiens 29-37 10961691-1 2000 To enhance the inhibitory potential of 1-beta-D-ribofuranosyl-1,2,4-triazole-3-carboxamide (ribavirin) vs hepatitis C virus (HCV) NTPase/helicase, ribavirin-5"-triphosphate (ribavirin-TP) was synthesized and investigated. Ribavirin 39-90 helicase for meiosis 1 Homo sapiens 137-145 10592661-3 2000 The elucidation of the atomic structure of the HCV NS3 helicase in complex with oligonucleotide and with ADP has helped clarify our understanding of potential sites for inhibitor binding. Oligonucleotides 80-95 helicase for meiosis 1 Homo sapiens 55-63 10592661-3 2000 The elucidation of the atomic structure of the HCV NS3 helicase in complex with oligonucleotide and with ADP has helped clarify our understanding of potential sites for inhibitor binding. Adenosine Diphosphate 105-108 helicase for meiosis 1 Homo sapiens 55-63 10583365-0 1999 Biochemical properties of a minimal functional domain with ATP-binding activity of the NTPase/helicase of hepatitis C virus. Adenosine Triphosphate 59-62 helicase for meiosis 1 Homo sapiens 94-102 10583365-11 1999 Kinetic experiments with the NTPase/helicase indicate that both compounds inhibit the NTPase activity of the holoenzyme by interacting with its ATP-binding domain. Adenosine Triphosphate 144-147 helicase for meiosis 1 Homo sapiens 36-44 10683763-3 1999 The exonuclease and helicase activities respond reciprocally to changes in ATP concentrations: Nuclease activity is inhibited at the ATP concentrations that are optimal for the helicase. Adenosine Triphosphate 133-136 helicase for meiosis 1 Homo sapiens 177-185 10482574-3 1999 In the present study, we further characterized the AAV Rep68/78 helicase, ATPase, and endonuclease activities by using a maltose binding protein-Rep68 fusion (MBP-Rep68Delta) produced in Escherichia coli cells and Rep78 produced in vitro in a rabbit reticulocyte lysate system. Maltose 121-128 helicase for meiosis 1 Homo sapiens 64-72 10482574-6 1999 We then determined the ATP concentration needed for optimal MBP-Rep68Delta helicase activity and showed that the helicase is active over a wide range of ATP concentrations. Adenosine Triphosphate 23-26 helicase for meiosis 1 Homo sapiens 75-83 10482574-6 1999 We then determined the ATP concentration needed for optimal MBP-Rep68Delta helicase activity and showed that the helicase is active over a wide range of ATP concentrations. Adenosine Triphosphate 23-26 helicase for meiosis 1 Homo sapiens 113-121 10482574-6 1999 We then determined the ATP concentration needed for optimal MBP-Rep68Delta helicase activity and showed that the helicase is active over a wide range of ATP concentrations. Adenosine Triphosphate 153-156 helicase for meiosis 1 Homo sapiens 75-83 10482574-6 1999 We then determined the ATP concentration needed for optimal MBP-Rep68Delta helicase activity and showed that the helicase is active over a wide range of ATP concentrations. Adenosine Triphosphate 153-156 helicase for meiosis 1 Homo sapiens 113-121 10743562-5 2000 We demonstrate here that the helicase activity of the Sgs1 is important for most elements of the sgs1 mutation phenotype, including sensitivity to UVC, 4-NQO, H2O2, MMS and hydroxyurea. 4-Nitroquinoline-1-oxide 152-157 helicase for meiosis 1 Homo sapiens 29-37 10743562-5 2000 We demonstrate here that the helicase activity of the Sgs1 is important for most elements of the sgs1 mutation phenotype, including sensitivity to UVC, 4-NQO, H2O2, MMS and hydroxyurea. Hydrogen Peroxide 159-163 helicase for meiosis 1 Homo sapiens 29-37 10683763-3 1999 The exonuclease and helicase activities respond reciprocally to changes in ATP concentrations: Nuclease activity is inhibited at the ATP concentrations that are optimal for the helicase. Adenosine Triphosphate 75-78 helicase for meiosis 1 Homo sapiens 20-28 10683763-3 1999 The exonuclease and helicase activities respond reciprocally to changes in ATP concentrations: Nuclease activity is inhibited at the ATP concentrations that are optimal for the helicase. Adenosine Triphosphate 75-78 helicase for meiosis 1 Homo sapiens 177-185 10683763-3 1999 The exonuclease and helicase activities respond reciprocally to changes in ATP concentrations: Nuclease activity is inhibited at the ATP concentrations that are optimal for the helicase. Adenosine Triphosphate 133-136 helicase for meiosis 1 Homo sapiens 20-28 10092010-5 1999 Helicase and NTPase activities were dependent on Mg2+ and ATP and inhibited by monovalent cations. Adenosine Triphosphate 58-61 helicase for meiosis 1 Homo sapiens 0-8 9765394-6 1998 Interaction between Zta and the components of the helicase-primase complex was tested by examining the ability of Zta to alter the intracellular localization of these proteins. zta 20-23 helicase for meiosis 1 Homo sapiens 50-58 9765394-15 1998 The helicase-primase interaction is consistent with a role for Zta in stabilizing the formation of an origin-bound replication complex. zta 63-66 helicase for meiosis 1 Homo sapiens 4-12 9822692-4 1998 The Mg2+ dependence was a reflection of both the requirement for ICP8 for helicase activity and the ability of ICP8 to reverse the helicase reaction as a consequence of its capacity to anneal homologous single strands at Mg2+ concentrations in excess of 3 mM. magnesium ion 4-8 helicase for meiosis 1 Homo sapiens 74-82 9822692-4 1998 The Mg2+ dependence was a reflection of both the requirement for ICP8 for helicase activity and the ability of ICP8 to reverse the helicase reaction as a consequence of its capacity to anneal homologous single strands at Mg2+ concentrations in excess of 3 mM. magnesium ion 4-8 helicase for meiosis 1 Homo sapiens 131-139 9822692-4 1998 The Mg2+ dependence was a reflection of both the requirement for ICP8 for helicase activity and the ability of ICP8 to reverse the helicase reaction as a consequence of its capacity to anneal homologous single strands at Mg2+ concentrations in excess of 3 mM. magnesium ion 221-225 helicase for meiosis 1 Homo sapiens 131-139 9765394-6 1998 Interaction between Zta and the components of the helicase-primase complex was tested by examining the ability of Zta to alter the intracellular localization of these proteins. zta 114-117 helicase for meiosis 1 Homo sapiens 50-58 9765394-8 1998 This relocalization provides evidence for an interaction between Zta and the helicase and Zta and the primase subcomplex. zta 65-68 helicase for meiosis 1 Homo sapiens 77-85 9765394-11 1998 Evidence for interaction between oriLyt bound Zta and the helicase-primase complex was obtained in a superactivation assay using an oriLyt-chloramphenicol acetyltransferase (CAT) reporter. orilyt 33-39 helicase for meiosis 1 Homo sapiens 58-66 9765394-11 1998 Evidence for interaction between oriLyt bound Zta and the helicase-primase complex was obtained in a superactivation assay using an oriLyt-chloramphenicol acetyltransferase (CAT) reporter. zta 46-49 helicase for meiosis 1 Homo sapiens 58-66 9765394-13 1998 Cotransfection of the helicase-primase proteins, one of which was fused to a heterologous activation domain, led to Zta-dependent superactivation of CAT expression. zta 116-119 helicase for meiosis 1 Homo sapiens 22-30 9657115-8 1998 The anti-NS3 (ATPase/helicase) reactivity decreased on denaturation by sodium dodecyl sulfate (SDS) and beta-mercaptoethanol (2ME), suggesting the recognition of nonlinear or conformational B-cell determinants. Sodium Dodecyl Sulfate 71-93 helicase for meiosis 1 Homo sapiens 21-29 9657115-8 1998 The anti-NS3 (ATPase/helicase) reactivity decreased on denaturation by sodium dodecyl sulfate (SDS) and beta-mercaptoethanol (2ME), suggesting the recognition of nonlinear or conformational B-cell determinants. Sodium Dodecyl Sulfate 95-98 helicase for meiosis 1 Homo sapiens 21-29 9657115-8 1998 The anti-NS3 (ATPase/helicase) reactivity decreased on denaturation by sodium dodecyl sulfate (SDS) and beta-mercaptoethanol (2ME), suggesting the recognition of nonlinear or conformational B-cell determinants. Mercaptoethanol 104-124 helicase for meiosis 1 Homo sapiens 21-29 9305914-5 1997 The present study revealed that both ATPase activity and DNA helicase activity that displaces oligonucleotides annealed to single-stranded circular DNA are associated with an MCM protein complex. Oligonucleotides 94-110 helicase for meiosis 1 Homo sapiens 61-69 9605426-0 1998 Anthracycline antibiotic blockade of SV40 T antigen helicase action. Anthracyclines 0-13 helicase for meiosis 1 Homo sapiens 52-60 9605426-1 1998 We previously showed that anthracycline antibiotics potently block SV40 large T antigen helicase; in the present study, we describe the kinetics and the structure-activity characteristics of this process. Anthracyclines 26-39 helicase for meiosis 1 Homo sapiens 88-96 9605426-2 1998 The concentration vs effect data for helicase blockade were fitted by the Hill equation to yield nearly parallel log-concentration effect curves for a series of active anthracycline antibiotics. Anthracyclines 168-181 helicase for meiosis 1 Homo sapiens 37-45 9605426-3 1998 The effective concentration for 50% helicase blockade (EC50) values ranged from 0.34 microM for daunorubicin to 40.8 microM for 3"-deaminodaunorubicin. Daunorubicin 96-108 helicase for meiosis 1 Homo sapiens 36-44 9605426-3 1998 The effective concentration for 50% helicase blockade (EC50) values ranged from 0.34 microM for daunorubicin to 40.8 microM for 3"-deaminodaunorubicin. 3"-deaminodaunorubicin 128-150 helicase for meiosis 1 Homo sapiens 36-44 9605426-5 1998 The Hill constants for the blockade ranged from 1.1 to 1.6 for the entire series of active anthracyclines, indicating no positive cooperativity and suggesting that a single molecule of bound drug is sufficient to block helicase action. Anthracyclines 91-105 helicase for meiosis 1 Homo sapiens 219-227 9605426-7 1998 The kinetics of the blockade indicated that the anthracycline, DNA, and helicase form a ternary complex that is irreversible under the reaction conditions. Anthracyclines 48-61 helicase for meiosis 1 Homo sapiens 72-80 9605426-8 1998 This mechanism may be central to the cytotoxic and anti-cancer activities of anthracycline antibiotics and may be useful in understanding the enzymatic mechanism of DNA helicase action. Anthracyclines 77-90 helicase for meiosis 1 Homo sapiens 169-177 9461305-5 1997 High concentrations of ATP are required for the helicase activity but are inhibitory to the RNA-folding activity. Adenosine Triphosphate 23-26 helicase for meiosis 1 Homo sapiens 48-56 9461305-6 1997 Mg2+ is required for the helicase activity but not for the RNA-folding reaction. magnesium ion 0-4 helicase for meiosis 1 Homo sapiens 25-33 9305914-8 1997 Displacement of DNA fragments by the DNA helicase suggested that it migrated along single-stranded DNA in the 3" to 5" direction, and the DNA helicase activity was detected only in the presence of hydrolyzable ATP or dATP. Adenosine Triphosphate 210-213 helicase for meiosis 1 Homo sapiens 142-150 9305914-8 1997 Displacement of DNA fragments by the DNA helicase suggested that it migrated along single-stranded DNA in the 3" to 5" direction, and the DNA helicase activity was detected only in the presence of hydrolyzable ATP or dATP. 2'-deoxyadenosine triphosphate 217-221 helicase for meiosis 1 Homo sapiens 41-49 9305914-8 1997 Displacement of DNA fragments by the DNA helicase suggested that it migrated along single-stranded DNA in the 3" to 5" direction, and the DNA helicase activity was detected only in the presence of hydrolyzable ATP or dATP. 2'-deoxyadenosine triphosphate 217-221 helicase for meiosis 1 Homo sapiens 142-150 9016557-1 1997 We describe a novel activity of the SV40 large T-ag helicase, the unwinding of four stranded DNA structures linked by stacked G-quartets, namely stacked groups of four guanine bases bound by Hoogsteen hydrogen bonds. Guanine 168-175 helicase for meiosis 1 Homo sapiens 52-60 9223530-3 1997 The integrity of the helicase function is dependent on the conserved DEAD motif and can be abolished by a His-Ala point mutation, leaving a fully functional nucleoside triphosphatase. Histidine 106-109 helicase for meiosis 1 Homo sapiens 21-29 9223530-3 1997 The integrity of the helicase function is dependent on the conserved DEAD motif and can be abolished by a His-Ala point mutation, leaving a fully functional nucleoside triphosphatase. Alanine 110-113 helicase for meiosis 1 Homo sapiens 21-29 9094652-0 1997 Polynucleotide modulation of the protease, nucleoside triphosphatase, and helicase activities of a hepatitis C virus NS3-NS4A complex isolated from transfected COS cells. Polynucleotides 0-14 helicase for meiosis 1 Homo sapiens 74-82 9094652-7 1997 The protein was used to examine the effects of polynucleotides on the NTPase, helicase, and protease activities. Polynucleotides 47-62 helicase for meiosis 1 Homo sapiens 78-86 9020191-0 1997 Biochemical analyses of mutations in the HSV-1 helicase-primase that alter ATP hydrolysis, DNA unwinding, and coupling between hydrolysis and unwinding. Adenosine Triphosphate 75-78 helicase for meiosis 1 Homo sapiens 47-55 9016557-1 1997 We describe a novel activity of the SV40 large T-ag helicase, the unwinding of four stranded DNA structures linked by stacked G-quartets, namely stacked groups of four guanine bases bound by Hoogsteen hydrogen bonds. Hydrogen 201-209 helicase for meiosis 1 Homo sapiens 52-60 9016557-2 1997 The structures unwound by the helicase were of two types: (i) quadruplexes comprising four parallel strands that were generated by annealing oligonucleotides including clustered G residues in a buffer containing Na+ions. Oligonucleotides 141-157 helicase for meiosis 1 Homo sapiens 30-38 8380408-3 1993 Helicase activity is coupled to the hydrolysis of ATP or dATP and to a lesser extent to CTP, dCTP, or UTP. Adenosine Triphosphate 50-53 helicase for meiosis 1 Homo sapiens 0-8 8642695-1 1996 Vaccinia virus RNA helicase (NPH-II) catalyzes nucleoside triphosphate-dependent unwinding of duplex RNAs containing a single-stranded 3" RNA tail. [[(2R,3S,4R,5S)-3,4-dihydroxy-5-methyloxolan-2-yl]methoxy-hydroxyphosphoryl] phosphono hydrogen phosphate 47-70 helicase for meiosis 1 Homo sapiens 19-27 8022830-5 1994 Unwinding of this substrate by the T4 dda helicase restores the fluorescence of the 2-aminopurines and is easily followed using stopped-flow or steady-state fluorescence spectroscopy. 2-Aminopurine 84-98 helicase for meiosis 1 Homo sapiens 42-50 8790942-1 1996 We showed that DNA-dependent ATPase Q1 (DNA helicase Q1) from xeroderma pigmentosum complementation group C (XP-C) cells elutes from FPLC Mono Q column at higher concentrations of KCl than that from other human cells (35). Potassium Chloride 180-183 helicase for meiosis 1 Homo sapiens 44-52 8627691-0 1996 The QRxGRxGRxxxG motif of the vaccinia virus DExH box RNA helicase NPH-II is required for ATP hydrolysis and RNA unwinding but not for RNA binding. Adenosine Triphosphate 90-93 helicase for meiosis 1 Homo sapiens 58-66 8628658-4 1996 Incubation with the T-ag helicase caused unwinding of the d(TC)(20) tract and consequent release of the oligonucleotide, while the plasmid molecules remained double-stranded. Oligonucleotides 104-119 helicase for meiosis 1 Homo sapiens 25-33 7947840-4 1994 Therefore, an enhancement of fluorescein fluorescence (lambda ex = 492 nm; lambda em = 520 nm) occurs upon helicase-catalyzed unwinding of the duplex DNA and separation of the complementary strands. Fluorescein 29-40 helicase for meiosis 1 Homo sapiens 107-115 8505308-3 1993 The helicase binds stably to the tailed RNA in the absence of any cofactor; strand displacement by the bound protein is coupled to NTP hydrolysis. ntp 131-134 helicase for meiosis 1 Homo sapiens 4-12 8387516-6 1993 The stimulation by SSBs was nonspecific; all SSBs tested, such as human SSB, bacteriophage T4 gene 32, and Escherichia coli SSB, stimulated the DNA helicase activity to a varying extent in the presence of a fork structure. Sudan Black B 19-23 helicase for meiosis 1 Homo sapiens 148-156 8387516-9 1993 DNA helicase activity required ATP hydrolysis and could be supported by all eight nucleoside triphosphates. Adenosine Triphosphate 31-34 helicase for meiosis 1 Homo sapiens 4-12 8387516-9 1993 DNA helicase activity required ATP hydrolysis and could be supported by all eight nucleoside triphosphates. nucleoside triphosphates 82-106 helicase for meiosis 1 Homo sapiens 4-12 8380408-3 1993 Helicase activity is coupled to the hydrolysis of ATP or dATP and to a lesser extent to CTP, dCTP, or UTP. 2'-deoxyadenosine triphosphate 57-61 helicase for meiosis 1 Homo sapiens 0-8 8380408-3 1993 Helicase activity is coupled to the hydrolysis of ATP or dATP and to a lesser extent to CTP, dCTP, or UTP. Cytidine Triphosphate 88-91 helicase for meiosis 1 Homo sapiens 0-8 8380408-3 1993 Helicase activity is coupled to the hydrolysis of ATP or dATP and to a lesser extent to CTP, dCTP, or UTP. 2'-deoxycytidine 5'-triphosphate 93-97 helicase for meiosis 1 Homo sapiens 0-8 8380408-3 1993 Helicase activity is coupled to the hydrolysis of ATP or dATP and to a lesser extent to CTP, dCTP, or UTP. Uridine Triphosphate 102-105 helicase for meiosis 1 Homo sapiens 0-8 1429725-7 1992 A helicase capable of unwinding a 34-mer oligonucleotide, annealed to a complementary sequence in single-stranded M13, also copurified with the mismatch-binding protein. Oligonucleotides 41-56 helicase for meiosis 1 Homo sapiens 2-10 34439061-11 2021 Glycyrrhizin and its metabolite 18-beta-glycyrrhetinic acid have shown a strong binding affinity for MPro, helicase, RdRp, spike, and E-channel proteins, while a flavonoid Baicalin also strongly binds against PLpro and RdRp. Glycyrrhizic Acid 0-12 helicase for meiosis 1 Homo sapiens 107-115 1719376-9 1991 Thus, we conclude that helicase complexes that are formed in the absence of ATP on duplex RNA translocate processively along the RNA in an ATP-dependent reaction and melt secondary structure. Adenosine Triphosphate 76-79 helicase for meiosis 1 Homo sapiens 23-31 1719376-9 1991 Thus, we conclude that helicase complexes that are formed in the absence of ATP on duplex RNA translocate processively along the RNA in an ATP-dependent reaction and melt secondary structure. Adenosine Triphosphate 139-142 helicase for meiosis 1 Homo sapiens 23-31 34904824-0 2022 Structural Basis of Zika Virus Helicase in RNA Unwinding and ATP Hydrolysis. Adenosine Triphosphate 61-64 helicase for meiosis 1 Homo sapiens 31-39 34818959-0 2021 Discovery of Zafirlukast as a novel SARS-CoV-2 helicase inhibitor using in silico modelling and a FRET-based assay. zafirlukast 13-24 helicase for meiosis 1 Homo sapiens 47-55 34818959-2 2021 Structural studies revealed a sulphate moiety that interacts with key residues within the nucleotide-binding site of the helicase. Sulfates 30-38 helicase for meiosis 1 Homo sapiens 121-129 34818959-9 2021 These results suggest that zafirlukast alleviates SARS-CoV-2 pathogenicity by inhibiting the viral helicase and impairing the viral replication/transcription pathway. zafirlukast 27-38 helicase for meiosis 1 Homo sapiens 99-107 34455933-4 2021 A unique collection of nucleoside analogs was screened against the SARS-CoV-2 helicase protein, for which a molecular docking experiment was executed to depict the selected ligand"s binding affinity with the SARS-CoV-2 helicase proteins. Nucleosides 23-33 helicase for meiosis 1 Homo sapiens 78-86 34455933-4 2021 A unique collection of nucleoside analogs was screened against the SARS-CoV-2 helicase protein, for which a molecular docking experiment was executed to depict the selected ligand"s binding affinity with the SARS-CoV-2 helicase proteins. Nucleosides 23-33 helicase for meiosis 1 Homo sapiens 219-227 34455933-9 2021 Free energy calculation by MM-PBSA and MM-GBSA analysis suggests that pritelivir may work as viable therapeutics for efficient drug advancement against SARS-CoV-2 Nsp13 helicase, potentially arresting the SARS-CoV-2 replication.Communicated by Ramaswamy H. Sarma. pritelivir 70-80 helicase for meiosis 1 Homo sapiens 169-177 33940460-5 2021 The recombinant nsp13 possessed ATPase and helicase activities for binding and unwinding dsDNA/RNA substrates with 5"-overhangs, and Mg2+ and Mn2+ were critical for its ATPase and helicase activities. magnesium ion 133-137 helicase for meiosis 1 Homo sapiens 180-188 33940460-5 2021 The recombinant nsp13 possessed ATPase and helicase activities for binding and unwinding dsDNA/RNA substrates with 5"-overhangs, and Mg2+ and Mn2+ were critical for its ATPase and helicase activities. Manganese(2+) 142-146 helicase for meiosis 1 Homo sapiens 180-188 33940460-7 2021 Site-directed mutagenesis demonstrated that Lys289 (K289) of PEDV nsp13 was essential for its ATPase and helicase activities. moxonidine 52-56 helicase for meiosis 1 Homo sapiens 105-113 33800013-8 2021 The molecule is often bound to the ATP binding site (referred to as binding site 2) of the helicase enzyme. Adenosine Triphosphate 35-38 helicase for meiosis 1 Homo sapiens 91-99 34388402-5 2021 Using a combination of drug docking and molecular dynamics simulations, we have identified a list of competitive helicase inhibitors targeting the ATP hydrolysis site and have discovered a potential allosteric site capable of distorting both of the protein"s active sites. Adenosine Triphosphate 147-150 helicase for meiosis 1 Homo sapiens 113-121 34439061-11 2021 Glycyrrhizin and its metabolite 18-beta-glycyrrhetinic acid have shown a strong binding affinity for MPro, helicase, RdRp, spike, and E-channel proteins, while a flavonoid Baicalin also strongly binds against PLpro and RdRp. 18alpha-glycyrrhetinic acid 32-59 helicase for meiosis 1 Homo sapiens 107-115 35422113-4 2022 We observed that fluvastatin and pitavastatin showed fair, binding affinities to RNA polymerase and 3-CL-Pro, whereas fluvastatin showed the strongest binding affinity to the helicase. Fluvastatin 118-129 helicase for meiosis 1 Homo sapiens 175-183 35462185-10 2022 Acetylcysteine, clavulanic acid and homovanillic acid were identified as potential lead compounds for the SARS-CoV-2 helicase. Acetylcysteine 0-14 helicase for meiosis 1 Homo sapiens 117-125 35462185-10 2022 Acetylcysteine, clavulanic acid and homovanillic acid were identified as potential lead compounds for the SARS-CoV-2 helicase. Clavulanic Acid 16-31 helicase for meiosis 1 Homo sapiens 117-125 35462185-10 2022 Acetylcysteine, clavulanic acid and homovanillic acid were identified as potential lead compounds for the SARS-CoV-2 helicase. Homovanillic Acid 36-53 helicase for meiosis 1 Homo sapiens 117-125 35545850-5 2022 In this study, we performed an in silico screening of common food-derived carotenoids against druggable target proteins of SARS-CoV-2 including main protease, helicase, replication complex, spike protein and its mutants for the recent variants of concern, and ADP-ribose phosphatase. Carotenoids 74-85 helicase for meiosis 1 Homo sapiens 159-167 35545850-12 2022 Molecular docking experiments against main protease, helicase, replication complex, spike protein and its mutants for the recent variants of concern, and ADP-ribose phosphatase resulted in a few carotenoids with multitarget inhibitory effects. Carotenoids 195-206 helicase for meiosis 1 Homo sapiens 53-61 35545850-13 2022 Particularly, crocin as one of the main components of saffron exhibited strong binding affinities to the multiple drug targets including main protease, helicase, replication complex, mutant spike protein of lineage B.1.351, and ADP-ribose phosphatase. crocin 14-20 helicase for meiosis 1 Homo sapiens 152-160 34198322-7 2021 From this, we have identified FPA-124 and several suramin-related compounds as novel inhibitors of nsp13 helicase activity in vitro. fpa 30-33 helicase for meiosis 1 Homo sapiens 105-113 34198322-7 2021 From this, we have identified FPA-124 and several suramin-related compounds as novel inhibitors of nsp13 helicase activity in vitro. Suramin 50-57 helicase for meiosis 1 Homo sapiens 105-113 34458837-4 2021 Here, we report two ternary crystal structures of heparan sulfate 3-OST isoform 3 (3-OST-3) with PAP (3"-phosphoadenosine 5"-phosphate) and two octasaccharide substrates: non 6-O-sulfated octasaccharide (8-mer 1) and 6-O-sulfated octasaccharide (8-mer 3). heparan sulfate 3-ost 50-71 helicase for meiosis 1 Homo sapiens 248-253 34345157-0 2021 Synthesis of Hetaryl-Substituted Asymmetric Porphyrins and Their Affinity to SARS-CoV-2 Helicase. Porphyrins 44-54 helicase for meiosis 1 Homo sapiens 88-96 34345157-2 2021 Molecular docking of non-symmetric hetaryl-substituted porphyrins and chlorin e6 with SARS-CoV-2 helicase has been carried out. Porphyrins 55-65 helicase for meiosis 1 Homo sapiens 97-105 34345157-2 2021 Molecular docking of non-symmetric hetaryl-substituted porphyrins and chlorin e6 with SARS-CoV-2 helicase has been carried out. phytochlorin 70-80 helicase for meiosis 1 Homo sapiens 97-105 34345157-5 2021 Possible ways to inhibit and photoinactivate SARS-CoV helicase have been suggested basing on the localization of porphyrins and chlorin e6 in the helicase domains. Porphyrins 113-123 helicase for meiosis 1 Homo sapiens 54-62 34345157-5 2021 Possible ways to inhibit and photoinactivate SARS-CoV helicase have been suggested basing on the localization of porphyrins and chlorin e6 in the helicase domains. Porphyrins 113-123 helicase for meiosis 1 Homo sapiens 146-154 34345157-5 2021 Possible ways to inhibit and photoinactivate SARS-CoV helicase have been suggested basing on the localization of porphyrins and chlorin e6 in the helicase domains. phytochlorin 128-138 helicase for meiosis 1 Homo sapiens 54-62 34345157-5 2021 Possible ways to inhibit and photoinactivate SARS-CoV helicase have been suggested basing on the localization of porphyrins and chlorin e6 in the helicase domains. phytochlorin 128-138 helicase for meiosis 1 Homo sapiens 146-154 35017203-7 2022 Thus, the Chl1 helicase affects RPA-dependent checkpoint activation in response to replication fork arrest by ensuring proper intracellular dNTP levels, thereby controlling replication fork progression under replication stress conditions. Parathion 140-144 helicase for meiosis 1 Homo sapiens 15-23