PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1331121-8 1992 We suggest that arachidonate released specifically from PtdCho via phospholipase A2 is a source of this PAF-elevated PGE2. Arachidonic Acid 16-28 PCNA clamp associated factor Rattus norvegicus 104-107