PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8221722-2 1993 The oligosaccharides on purified phospholipase A2 were released by hydrazinolysis and labeled in vitro by reduction with NaB3H4. nab3h4 121-127 phospholipase A2 group IB Homo sapiens 33-49