Nitrite ReductasesNitritesSodium NitriteNitrite Reductase (NAD(P)H)Nitrate ReductasesNitratesNitrate ReductaseFerredoxin-Nitrite ReductaseCytochromes a1AlcaligenesAlcaligenes faecalisNADH, NADPH OxidoreductasesOxidoreductasesDenitrificationBacteroidaceaeOxidation-ReductionCytochromes c1Amyl NitriteAzurinCytochromesNitric OxideParacoccusHemeHydroxymethylglutaryl CoA ReductasesAnaerobiosisRibonucleotide ReductasesDithioniteNitrosomonas europaeaHydroxylaminesCytochrome-B(5) ReductaseCopperElectron TransportNitrous OxideParacoccus pantotrophusSpectrophotometryMolecular Sequence DataHydroxylamineElectron Spin Resonance SpectroscopyGlutathione ReductaseFerredoxinsFMN ReductaseThioredoxin-Disulfide ReductaseNADPH-Ferrihemoprotein ReductaseWolinellaCytochrome c GroupFerredoxin-NADP ReductaseKineticsBacterial ProteinsAerobiosisPseudomonasEctothiorhodospiraceaeCytochrome ReductasesNitrosomonasAmino Acid SequenceGenes, BacterialSulfite Reductase (Ferredoxin)HyphomicrobiumElectron Transport Complex IVQuaternary Ammonium CompoundsParacoccus denitrificansNitrogenPseudomonas aeruginosaRalstonia pickettiiDesulfovibrioEscherichia coliGene Expression Regulation, BacterialAmmoniaTetrahydrofolate DehydrogenaseOxidoreductases Acting on Sulfur Group DonorsBase SequenceAchromobacter denitrificansSulfitesHydrogen-Ion ConcentrationSpectrum AnalysisHemeproteinsBenzyl ViologenOxygenNitrobacterIron-Sulfur ProteinsMethylenetetrahydrofolate Reductase (NADPH2)Pulse RadiolysisNADPNitrate Reductase (NADH)MutationNitrogen OxidesSequence Analysis, DNARhodobacter sphaeroidesBinding SitesThiosulfatesCytochromes c2HemoglobinsSequence Homology, Amino AcidMetalloproteinsDihydropteridine ReductaseMethionine Sulfoxide ReductasesHydroxymethylglutaryl-CoA Reductase InhibitorsElectronsCloning, MolecularNitric Oxide SynthaseMethemoglobin