Nitrite ReductasesNitritesFerredoxinsNitrite Reductase (NAD(P)H)Nitrate ReductasesSodium NitriteFerredoxin-NADP ReductaseFerredoxin-Nitrite ReductaseNitratesCytochromes a1Nitrate ReductaseNADH, NADPH OxidoreductasesAlcaligenesOxidoreductasesOxidation-ReductionAlcaligenes faecalisBacteroidaceaeDenitrificationCytochromes c1AzurinElectron TransportCytochromesElectron Spin Resonance SpectroscopyDithioniteSpectrophotometryHemeParacoccusHydroxymethylglutaryl CoA ReductasesAnaerobiosisSulfite Reductase (Ferredoxin)Molecular Sequence DataIron-Sulfur ProteinsRibonucleotide ReductasesAmino Acid SequenceCytochrome-B(5) ReductaseNitric OxideDesulfovibrioNADPH-Ferrihemoprotein ReductaseBacterial ProteinsThioredoxin-Disulfide ReductaseHydroxylaminesCopperFMN ReductaseKineticsNitrosomonas europaeaParacoccus pantotrophusCytochrome c GroupGlutathione ReductaseNitrous OxideNADPPseudomonasHydroxylamineWolinellaAmyl NitriteSpectrum AnalysisGenes, BacterialCytochrome ReductasesEscherichia coliAerobiosisEctothiorhodospiraceaeIronPlantsClostridiumFlavodoxinSulfurBase SequenceOxidoreductases Acting on Sulfur Group DonorsSequence Homology, Amino AcidHyphomicrobiumMetalloproteinsGene Expression Regulation, BacterialElectron Transport Complex IVAnabaenaElectronsSpectrophotometry, UltravioletPseudomonas aeruginosaNitrogenBinding SitesRalstonia pickettiiCloning, MolecularParacoccus denitrificansCyanobacteriaTetrahydrofolate DehydrogenaseParaquatBenzyl ViologenNitrosomonasModels, MolecularHydrogen-Ion ConcentrationQuaternary Ammonium CompoundsElectrochemistryProtein ConformationSpinacia oleraceaFlavinsAdrenodoxinViologensCatalysisMutationSulfitesAchromobacter denitrificansOxygen