NDOR1 (NADPH Dependent Diflavin Oxidoreductase 1) is a Protein Coding gene. The NDOR1 gene, located on 9q34.3, is conserved in chimpanzee, dog, cow, and mouse, etc. This gene encodes an NADPH-dependent diflavin reductase that contains both flavin mononucleotide (FMN) and flavin adenine dinucleotide (FAD) binding domains. The encoded protein catalyzes the transfer of electrons from NADPH through FAD and FMN cofactors to potential redox partners. Human novel oxidoreductase 1 (NDOR1) is a diflavin reductase closely related to cytochrome P450 reductase (POR) and nitric oxide synthase (NOS), which are involved in the metabolism of antitumor agents. A variant cDNA sequence of NDOR1, NDOR1 p.518-519ins9 or NDOR1_v1, has been deposited in GenBank (accession no. AK026089 and AY077845) that encodes an additional nine amino acids.