PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1651244-7 1991 An NADPH-cytochrome-P-450 reductase system composed of NADPH and detergent-solubilized NADPH-cytochrome-P-450 reductase readily reduced the ferric heme bound to the tryptic peptide, but failed to transfer the second electron required for rapid heme degradation, suggesting that the hydrophobic domain of heme oxygenase is important for receiving the second electron from the reductase. NADP 3-8 cytochrome p450 oxidoreductase Rattus norvegicus 87-119