PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 595481-3 1977 Biosynthesis of multiple forms of brain cholinesterase was monitored by following incorporation of 14C-glycine into the purified fractions. 14c-glycine 99-110 butyrylcholinesterase Felis catus 40-54