PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 18821018-8 2009 When both the 17alpha-hydroxylase and 17,20 lyase activities of P450c17 are present in the zona reticularis, the androgen precursor DHEA is produced. Dehydroepiandrosterone 132-136 cytochrome P450 family 17 subfamily A member 1 Homo sapiens 64-71