PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9558349-10 1998 In constrast, the FMN of Fld is reduced by Fpr to a stable blue, neutral semiquinone which serves as the predominant electron donor to P450c17 in reconstitution assays. semiquinone 73-84 cytochrome P450 family 17 subfamily A member 1 Homo sapiens 135-142