PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9201989-11 1997 An excimer peak was present in the emission spectrum of labeled S265C F-actin and in the labeled S265C/C374A-WT actin copolymers. copolymers 118-128 actin Saccharomyces cerevisiae S288C 112-117