Nitrate ReductasesNitrate ReductaseNitrate Reductase (NAD(P)H)ChlorellaNitratesMolybdenumNitrate Reductase (NADH)SpectrophotometryNitritesChloratesNitrite ReductasesOxidoreductasesPteridinesTungstenNitrate Reductase (NADPH)Hydroxymethylglutaryl CoA ReductasesCoenzymesRibonucleotide ReductasesCytochrome-B(5) ReductaseMetalloproteinsOxidation-ReductionCytochrome ReductasesNADH, NADPH OxidoreductasesAnaerobiosisTungsten CompoundsFMN ReductaseEscherichia coliGlutathione ReductaseNADThioredoxin-Disulfide ReductaseNADPH-Ferrihemoprotein ReductaseNADPPeriplasmFerredoxin-NADP ReductaseMolecular Sequence DataQuaternary Ammonium CompoundsNeurosporaParacoccusSilver NitrateNitrogenMutationIron-Sulfur ProteinsCytochromesNADH DehydrogenaseFlavin-Adenine DinucleotideOxidoreductases Acting on Sulfur Group DonorsKineticsParacoccus denitrificansEnzyme RepressionNeurospora crassaElectron TransportFormate DehydrogenasesAmino Acid SequenceAnion Transport ProteinsNitric AcidBenzyl ViologenTetrahydrofolate DehydrogenaseFormatesOperonBacterial ProteinsElectron Spin Resonance SpectroscopyPotassium Compounds