PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10626547-8 1999 P450c17 appears to catalyze 17,20-lyase activity only if P450c17 has undergone serine phosphorylation and has access to cytochrome b5 as an allosteric cofactor. Serine 79-85 cytochrome P450 family 17 subfamily A member 1 Homo sapiens 0-7 10626547-8 1999 P450c17 appears to catalyze 17,20-lyase activity only if P450c17 has undergone serine phosphorylation and has access to cytochrome b5 as an allosteric cofactor. Serine 79-85 cytochrome P450 family 17 subfamily A member 1 Homo sapiens 57-64 10626547-11 1999 Mechanistic considerations of PCOS suggest a key role for serine phosphorylation of P450c17 in both adrenarche and some forms of heritable PCOS. Serine 58-64 cytochrome P450 family 17 subfamily A member 1 Homo sapiens 84-91