Nitrite ReductasesNitritesSodium NitriteNitrite Reductase (NAD(P)H)Nitrate ReductasesNitratesNitrate ReductaseFerredoxin-Nitrite ReductaseCytochromes a1AlcaligenesAlcaligenes faecalisNADH, NADPH OxidoreductasesOxidation-ReductionOxidoreductasesDenitrificationBacteroidaceaeCytochromes c1Amyl NitriteAzurinNitric OxideCytochromesMolecular Sequence DataParacoccusHemeAnaerobiosisHydroxymethylglutaryl CoA ReductasesRibonucleotide ReductasesDithioniteAmino Acid SequenceHydroxylaminesNitrosomonas europaeaSpectrophotometryKineticsCytochrome-B(5) ReductaseCopperBacterial ProteinsElectron TransportNitrous OxideParacoccus pantotrophusBase SequenceGenes, BacterialHydroxylamineElectron Spin Resonance SpectroscopyFerredoxinsEscherichia coliGlutathione ReductaseFMN ReductaseNADPH-Ferrihemoprotein ReductaseThioredoxin-Disulfide ReductaseCytochrome c GroupWolinellaAerobiosisFerredoxin-NADP ReductasePseudomonasCytochrome ReductasesEctothiorhodospiraceaeCloning, MolecularGene Expression Regulation, BacterialMutationNitrosomonasNitrogenElectron Transport Complex IVPseudomonas aeruginosaSulfite Reductase (Ferredoxin)Quaternary Ammonium CompoundsHyphomicrobiumParacoccus denitrificansHydrogen-Ion ConcentrationSequence Homology, Amino AcidRalstonia pickettiiDesulfovibrioSequence Analysis, DNAAmmoniaCatalysisTetrahydrofolate DehydrogenaseOxidoreductases Acting on Sulfur Group DonorsBinding SitesOxygenSulfitesSpectrum AnalysisAchromobacter denitrificansHemeproteinsDNA, BacterialBenzyl ViologenIron-Sulfur ProteinsNADPNitrobacterMethylenetetrahydrofolate Reductase (NADPH2)BacteriaPulse RadiolysisOperonNitrate Reductase (NADH)Nitrogen OxidesBiological ProductsThiosulfatesMolecular WeightRhodobacter sphaeroidesHemoglobinsModels, MolecularMetalloproteins