PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1438282-6 1992 Addition of purified rat liver cytochrome b5 stimulated the 17,20-lyase reaction for the conversion of 17-hydroxypregnenolone to dehydroepiandrosterone, and addition of purified rat NADPH-cytochrome P450 reductase enhanced the formation of omega--1 metabolites from lauric and arachidonic acids. 17-alpha-Hydroxypregnenolone 103-125 cytochrome b5 type A Rattus norvegicus 31-44