PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1854738-4 1991 A large [14C]carbonyl carbon isotope effect of 1.12 +/- 0.02 was measured for the cobra venom PLA2-catalyzed hydrolysis of dipalmitoylphosphatidylcholine in Triton X-100. 1,2-Dipalmitoylphosphatidylcholine 123-153 phospholipase A2 group IB Homo sapiens 94-98