PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9029728-9 1997 We have recently shown that P450c17 must be phosphorylated on serine and threonine residues by a cAMP-dependent protein kinase to acquire 17,20 lyase activity. Cyclic AMP 97-101 cytochrome P450 family 17 subfamily A member 1 Homo sapiens 28-35