PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16595705-7 2006 The effect of substrate on the redox potential for each P450c17 was measured in the presence of pregnenolone, progesterone, 17alpha-hydroxypregnenolone and 17alpha-hydroxyprogesterone. 17-alpha-Hydroxypregnenolone 124-151 cytochrome P450 family 17 subfamily A member 1 Homo sapiens 56-63