PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9175172-3 1997 The IC50S of aspirin, indomethacin and tenoxicam for human COX-1 were 0.41 +/- 0.07 microgram/ml, 0.008 +/- 0.003 microgram/ml, and 7.94 +/- 3.28 micrograms/ml, respectively, and for human COX-20.64 +/- 0.16 microgram/ml, 0.09 +/- 0.05 microgram/ml, and 10.61 +/- 1.50 micrograms/ml, for aspirin, indomethacin, and tenoxicam. tenoxicam 39-48 cytochrome c oxidase assembly factor COX20 Homo sapiens 189-195