DeuteriumDeuterium OxideDeuterium Exchange MeasurementHydrogenMass SpectrometryBody WaterMagnetic Resonance SpectroscopyIndicator Dilution TechniquesIsotope LabelingSpectrometry, Mass, Electrospray IonizationKineticsWaterIsotopesModels, MolecularRadioisotope Dilution TechniqueOxygen IsotopesAmidesMolecular ConformationProtein ConformationMethenamineBody Fluid CompartmentsModels, ChemicalSolventsStereoisomerismLipid BilayersProtonsDimyristoylphosphatidylcholineGas Chromatography-Mass SpectrometryGasesCatalysisGroup IA Phospholipases A2ThermodynamicsNuclear Magnetic Resonance, BiomolecularPepsin AMolecular StructureOxidation-ReductionSpectroscopy, Fourier Transform InfraredHydrogen-Ion ConcentrationProtein Structure, SecondaryHydrogen BondingAmino Acid SequenceTemperatureFourier AnalysisBody Composition1,2-DipalmitoylphosphatidylcholineMolecular Sequence DataNeutron DiffractionElectric ImpedanceCarbon-Carbon Lyases