DeuteriumDeuterium OxideDeuterium Exchange MeasurementMagnetic Resonance SpectroscopyHydrogenSpectroscopy, Near-InfraredMass SpectrometryElectron Spin Resonance SpectroscopySpectrophotometry, InfraredSpectrum AnalysisBody WaterSpectrum Analysis, RamanNuclear Magnetic Resonance, BiomolecularModels, MolecularKineticsProtein ConformationWaterProtonsMolecular ConformationSpectrometry, FluorescenceIsotope LabelingIndicator Dilution TechniquesCircular DichroismProtein Structure, SecondarySpectrometry, Mass, Electrospray IonizationModels, ChemicalMolecular StructureHydrogen-Ion ConcentrationThermodynamicsAmidesLipid BilayersX-Ray Absorption SpectroscopyOxygen IsotopesOxidation-ReductionIsotopesMolecular Sequence DataTemperatureAmino Acid SequenceCreatineSolutionsSpectrophotometry, UltravioletPhotoelectron SpectroscopySolventsRadioisotope Dilution TechniqueHydrogen BondingBinding SitesAspartic AcidDimyristoylphosphatidylcholineProtein BindingStereoisomerismSpectroscopy, MossbauerSpectrophotometryFourier AnalysisCatalysisGas Chromatography-Mass SpectrometryBody Fluid CompartmentsNitrogen IsotopesProtein Structure, TertiaryMethenaminePeptidesBiophysicsCholineProtein FoldingCarbon IsotopesPhosphatidylcholinesChromatography, High Pressure LiquidGasesCalorimetry, Differential ScanningBiophysical Phenomena1,2-DipalmitoylphosphatidylcholinePhase TransitionOxygenElectric ImpedanceSpin LabelsMyoglobinPepsin AProtein DenaturationGroup IA Phospholipases A2LigandsEscherichia coliChemistrySpectrometry, X-Ray EmissionProtein UnfoldingChemical PhenomenaPhosphocreatineCattleStructure-Activity RelationshipMicellesTryptophanIsomerismSpectroscopy, Fourier Transform InfraredElectronsCrystallography, X-RaySubstrate SpecificityCarbohydrate ConformationBacteriorhodopsinsPeptide FragmentsNeutron DiffractionSpectrophotometry, AtomicRecombinant Proteins