PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16086586-1 2005 Aromatase is a cytochrome P-450 enzyme complex that catalyzes the conversion of androst-4-ene-3,17-dione (AD) to estrone and formic acid through three sequential oxygenations of the 19-methyl group. Androstenedione 80-104 cytochrome P450 family 19 subfamily A member 1 Homo sapiens 0-9