DeuteriumDeuterium OxideDeuterium Exchange MeasurementMembrane FusionCell FusionHydrogenRecombinant Fusion ProteinsSpinal FusionViral Fusion ProteinsGene FusionMass SpectrometryBody WaterMagnetic Resonance SpectroscopyOncogene Proteins, FusionMolecular Sequence DataKineticsIndicator Dilution TechniquesIsotope LabelingAmino Acid SequenceWaterSpectrometry, Mass, Electrospray IonizationModels, MolecularProtein ConformationIsotopesRadioisotope Dilution TechniqueOxygen IsotopesAmidesMolecular ConformationOncogene FusionLipid BilayersMethenamineHydrogen-Ion ConcentrationBody Fluid CompartmentsModels, ChemicalProtein BindingProtein Structure, TertiaryProtein Structure, SecondarySolventsStereoisomerismDimyristoylphosphatidylcholineThermodynamicsProtonsCatalysisTemperatureEscherichia coliNuclear Magnetic Resonance, BiomolecularPeptidesBinding SitesBase SequenceGas Chromatography-Mass SpectrometryGasesGroup IA Phospholipases A2Molecular StructureSpectroscopy, Fourier Transform InfraredOxidation-ReductionPepsin AHydrogen BondingCell LineMutationPhosphatidylcholinesHIV Fusion InhibitorsMembrane Fusion ProteinsPeptide FragmentsBacterial ProteinsFourier AnalysisCell Membrane1,2-DipalmitoylphosphatidylcholineMembrane ProteinsSNARE ProteinsSubstrate SpecificityVirus InternalizationRecombinant ProteinsBody CompositionNeutron DiffractionPhase TransitionSpectrophotometry, InfraredElectric ImpedanceBiophysicsCloning, MolecularNitrogen IsotopesCarbon-Carbon LyasesModels, Biological