PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 30314310-1 2018 Prostaglandins and thromboxane are lipid signaling molecules deriving from arachidonic acid by the action of the cyclooxygenase isoenzymes COX-1 and COX-2. Arachidonic Acid 75-91 mitochondrially encoded cytochrome c oxidase II Homo sapiens 149-154