PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 31562623-1 2019 The Cyclooxygenase enzymes (COX-1 and COX-2) incorporate 2 molecules of O2 into arachidonic acid (AA), resulting in an array of bioactive prostaglandins. Arachidonic Acid 80-96 mitochondrially encoded cytochrome c oxidase II Homo sapiens 38-43