PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 12852704-1 2003 BACKGROUND: Traditional nonsteroidal anti-inflammatory drugs (NSAIDs) such as diclofenac, ibuprofen, naproxen, and related agents are nonselective inhibitors of both cyclooxygenase-1 (COX-1) and COX-2, which catalyze prostaglandin synthesis. Ibuprofen 90-99 mitochondrially encoded cytochrome c oxidase II Homo sapiens 195-200