Hydrogen BondingHydrogenIsotopesDeuteriumMethanobacteriumCatalysisIsotope LabelingHydrogen PeroxideNitrogen IsotopesOxygen IsotopesHydrogen SulfideCarbon IsotopesZinc IsotopesSulfur IsotopesIron IsotopesStrontium IsotopesKineticsMass SpectrometryModels, MolecularOxidation-ReductionRadioisotope Dilution TechniqueHydrogen CyanideDeuterium Exchange MeasurementMolecular Sequence DataHydrogen-Ion ConcentrationModels, ChemicalWaterIndicator Dilution TechniquesCatalaseOxidantsMagnetic Resonance SpectroscopyDeuterium OxideProtein ConformationMolecular StructureGas Chromatography-Mass SpectrometryAmino Acid SequenceThermodynamicsCrystallography, X-RaySulfidesTemperatureBinding SitesMethaneProtonsEvolution, PlanetaryCystathionine gamma-LyaseTime FactorsOxygenMercury IsotopesPeroxidasesEscherichia coliSolventsProtein BindingMolecular ConformationCarbonHydrogenase