DeuteriumDeuterium Exchange MeasurementHydrogenDeuterium OxideMass SpectrometryHydrogen BondingSpectrometry, Mass, Electrospray IonizationModels, MolecularHydrogen PeroxideAmidesProtein ConformationPepsin ASpectroscopy, Fourier Transform InfraredGasesHydrogen SulfideProtein Structure, SecondaryMagnetic Resonance SpectroscopyAmino Acid SequenceMolecular Sequence DataCyclotronsProtein Structure, TertiarySolventsKineticsFourier AnalysisProtein UnfoldingPeptidesMolecular ConformationNuclear Magnetic Resonance, BiomolecularProtein FoldingThermodynamicsProtein BindingLigandsSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationPeptide FragmentsModels, ChemicalChromatography, Reverse-PhaseProtonsMyoglobinProtein Structure, QuaternaryPeptide MappingProtein StabilityCrystallography, X-RaySpectrophotometry, InfraredMolecular StructureBody WaterBinding SitesAllosteric SiteProteinsProtein DenaturationCircular DichroismCatalytic DomainProtein MultimerizationRecombinant ProteinsHydrogen-Ion ConcentrationAmyloidWaterCattleIsotope LabelingIndicator Dilution TechniquesChromatography, High Pressure LiquidOxidation-ReductionEscherichia coliIsotopesOxygen IsotopesSwineRadioisotope Dilution TechniqueCatalysisStereoisomerismHydrogen CyanideAlgorithmsMethenamineBody Fluid CompartmentsTemperatureLipid Bilayers