PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9826629-2 1998 In this study we have measured the binding of the amino-terminal half of gelsolin, G1-3, to pyrene-labeled F-actin as a function of Ca2+ concentration. pyrene 92-98 activating transcription factor 6 beta Homo sapiens 83-87 9826629-5 1998 Titrations of pyrene-F-actin with G1-3 and gelsolin show that the quenching of pyrene fluorescence is identical in extent and stoichiometry for both G1-3 and gelsolin. pyrene 14-20 activating transcription factor 6 beta Homo sapiens 34-38