PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9768686-4 1998 After conversion of cholesterol to pregnenolone, 17alpha-hydroxylase/17,20-lyase (CYP17) can metabolize pregnenolone through to DHEA. Cholesterol 20-31 cytochrome P450 family 17 subfamily A member 1 Homo sapiens 82-87