PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 7767940-14 1995 These observations suggest that the initial reduction of the nitro group can be catalyzed by NADPH cytochrome P450 reductase alone but cytochrome P450 is needed in the reduction of the hydroxylamine to the amine. nitro 61-66 cytochrome p450 oxidoreductase Rattus norvegicus 115-124