HydrogenHydrogenaseHydrogen BondingHydrogen PeroxideVeillonellaCosmic DustHydrogen SulfideEpsilonproteobacteriaDesulfovibrioEuryarchaeotaOxidation-ReductionMethaneAnaerobiosisRNA, Ribosomal, 16SDNA, RibosomalOxidoreductasesPhylogenyElectron TransportSeawaterBase CompositionMolecular Sequence DataHot TemperatureDNA, BacterialHydrogen CyanideSequence Analysis, DNAModels, MolecularOxidantsCatalaseDeuterium Exchange MeasurementCystathionine gamma-LyaseCrystallography, X-RayProtein ConformationPeroxidasesWaterHydrogen-Ion ConcentrationModels, ChemicalKineticsMolecular StructureMagnetic Resonance SpectroscopySulfidesThermodynamicsCatalysisBinding SitesHydroxyl RadicalFree RadicalsMolecular ConformationReactive Oxygen SpeciesProtonsProtein Structure, SecondaryOxygenGlucose OxidaseAmino Acid SequenceBreath TestsGasesHydroxidesLactuloseAmitroleSuperoxide DismutaseTemperatureSolvents