PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1525044-4 1992 The role of different steroids in the regulation of P450 cholesterol side-chain cleavage enzyme (P450scc) and 3 beta-hydroxysteroid dehydrogenase (3 beta-HSD) was evaluated by measuring the conversion of P4 derived from unlabelled 25-hydroxycholesterol and from labelled pregnenolone, respectively. 25-hydroxycholesterol 231-252 cytochrome P450 family 11 subfamily A member 1 Homo sapiens 97-104