PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9408743-6 1997 Serine phosphorylation appears to modulate the activity of the key regulatory enzyme of androgen biosynthesis, P450c17. Serine 0-6 cytochrome P450 family 17 subfamily A member 1 Homo sapiens 111-118