PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 23719833-5 2013 This results in inhibition of phenoxyl radical formation from a critical tyrosine residue essential for the cyclooxygenase activity of COX-1 and COX-2 and prostaglandin (PG) synthesis. phenoxy radical 30-46 mitochondrially encoded cytochrome c oxidase I Homo sapiens 135-140