PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2162450-11 1990 The activity of cytochrome P-450 reductase, which reduces quinones to hydroquinones in the estrogen redox cycle, was 6-fold higher in liver than in kidney of both control and estrogen-treated animals. Hydroquinones 70-83 cytochrome P450 2A3-like Mesocricetus auratus 16-32