PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8527457-2 1995 The effect of caldesmon (CaD) on local conformational changes in different regions of the tropomyosin molecule was determined on the basis of changes in the excimer fluorescence (excited dimer of pyrene) formed in homodimers of tropomyosin isoforms. pyrene 196-202 caldesmon 1 Homo sapiens 14-23 8527457-2 1995 The effect of caldesmon (CaD) on local conformational changes in different regions of the tropomyosin molecule was determined on the basis of changes in the excimer fluorescence (excited dimer of pyrene) formed in homodimers of tropomyosin isoforms. pyrene 196-202 caldesmon 1 Homo sapiens 25-28 8527457-3 1995 In the absence of actin, excimer fluorescence from the pyrene at Cys-190 of gamma-tropomyosin homodimer decreased in a simple manner on the addition of CaD, whereas the excimer from the Cys-36 of beta-tropomyosin homodimer exhibited a biphasic change, suggesting that additional weak binding sites exist near Cys-36. pyrene 55-61 caldesmon 1 Homo sapiens 152-155 3242591-6 1988 Tropomyosin induced a change in the fluorescence spectrum of pyrene-caldesmon, indicating a conformational change associated with the interaction between caldesmon and tropomyosin. pyrene 61-67 caldesmon 1 Homo sapiens 154-163 8567938-2 1995 The bent "hairpin" form of caldesmon was enhanced between pH 6.0 and 8.0 and at low ionic strengths, as reported by an increase in excimer fluorescence of pyrene-labelled caldesmon under these conditions. pyrene 155-161 caldesmon 1 Homo sapiens 27-36 8567938-2 1995 The bent "hairpin" form of caldesmon was enhanced between pH 6.0 and 8.0 and at low ionic strengths, as reported by an increase in excimer fluorescence of pyrene-labelled caldesmon under these conditions. pyrene 155-161 caldesmon 1 Homo sapiens 171-180 8567938-4 1995 Titrations of pyrene caldesmon with actin, heavy meromyosin, and calmodulin resulted in a decrease in excimer fluorescence. pyrene 14-20 caldesmon 1 Homo sapiens 21-30 3242591-2 1988 The number of sulfhydryl (SH) groups in caldesmon was around 3.5 on the basis of reactivity to 5,5"-dithiobis(2-nitrobenzoate); 80% of the SH groups were labeled with pyrene. pyrene 167-173 caldesmon 1 Homo sapiens 40-49 3242591-3 1988 The fluorescence spectrum from pyrene-caldesmon showed the presence of excited monomer and dimer (excimer). pyrene 31-37 caldesmon 1 Homo sapiens 38-47 3242591-5 1988 The labeling of caldesmon with pyrene did not affect its ability to inhibit actin activation of heavy meromyosin Mg-ATPase and the release of this inhibition in the presence of Ca2+-calmodulin. pyrene 31-37 caldesmon 1 Homo sapiens 16-25 3242591-6 1988 Tropomyosin induced a change in the fluorescence spectrum of pyrene-caldesmon, indicating a conformational change associated with the interaction between caldesmon and tropomyosin. pyrene 61-67 caldesmon 1 Homo sapiens 68-77 3242591-10 1988 The addition of tropomyosin also changed the fluorescence spectrum of pyrene-caldesmon bound to actin filaments. pyrene 70-76 caldesmon 1 Homo sapiens 77-86 3242591-11 1988 The change in the conformation of tropomyosin, caused by the interaction between caldesmon and tropomyosin, was studied with pyrene-labeled tropomyosin. pyrene 125-131 caldesmon 1 Homo sapiens 81-90 19889635-3 2010 We have studied the effect of a C-terminal fragment of CaD (H32K) on the kinetics of the in vitro actin polymerization by monitoring the fluorescence of pyrene-labeled actin. pyrene 153-159 caldesmon 1 Homo sapiens 55-58