PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 21985170-2 2011 Abiraterone acetate was developed to specifically inhibit cytochrome P450 (CYP)17A1, which is an essential enzyme in the biosynthesis of testosterone. Testosterone 137-149 cytochrome P450 family 17 subfamily A member 1 Homo sapiens 58-83