HydrogenDeuterium Exchange MeasurementDeuteriumHydrogen BondingHydrogen PeroxideAmidesProtein FoldingProtein ConformationMass SpectrometryMagnetic Resonance SpectroscopyModels, MolecularThermodynamicsNuclear Magnetic Resonance, BiomolecularHydrogen SulfideHydrogen-Ion ConcentrationProtein DenaturationProtein Structure, SecondaryKineticsProtonsRubredoxinsSolventsPepsin AGuanidineAmino Acid SequenceProtein Structure, TertiaryDeuterium OxideMolecular Sequence DataTemperatureModels, ChemicalPeptidesProteinsTritiumMicrococcal NucleaseIndole-3-Glycerol-Phosphate SynthaseRibonuclease, PancreaticTriosesSpectrometry, Mass, Electrospray IonizationAllosteric SiteCircular DichroismWaterCytochrome c GroupHorsesBinding SitesSolutionsProtein BindingMuramidaseIsotope LabelingProtein Structure, QuaternaryBiophysicsNitrogen IsotopesMolecular ConformationMolecular StructureGuanidinesStatic ElectricityEscherichia coliPeptide FragmentsCalorimetryPulmonary Gas ExchangeBiophysical PhenomenaCattleExchange Transfusion, Whole BloodSpectroscopy, Fourier Transform InfraredRibonucleasesUreaSister Chromatid ExchangeRecombinant Proteinssrc Homology DomainsUbiquitinLigandsMutationDimerizationStructure-Activity RelationshipHydrogen CyanideTime FactorsChickensOxidation-ReductionSodium-Hydrogen AntiporterOxidantsCatalaseCrystallography, X-RayChromatography, Ion ExchangeSodiumCatalysisOxygenRho Guanine Nucleotide Exchange FactorsCystathionine gamma-LyaseHydrogenaseIon Exchange ResinsGasesPeroxidasesSodium-Calcium ExchangerAnion Exchange ResinsCarbon DioxideBicarbonatesSulfidesAmilorideModels, BiologicalBacterial ProteinsOxygen IsotopesBase Sequence