Lipid BilayersMembrane FusionLipidsCell MembraneMembrane FluidityMembranes, ArtificialMembrane LipidsCell FusionLiposomesDimyristoylphosphatidylcholineViral Fusion ProteinsMembranesMolecular ConformationPhosphatidylcholinesIntracellular Membranes1,2-DipalmitoylphosphatidylcholineLipid MetabolismSNARE ProteinsMembrane Fusion ProteinsMembrane PotentialsRecombinant Fusion ProteinsPhase TransitionPhospholipidsMolecular Sequence DataUnilamellar LiposomesBiophysicsPhosphatidylethanolaminesAmino Acid SequencePhosphatidylglycerolsModels, MolecularBiophysical PhenomenaLipid AAlamethicinVirus InternalizationProtein BindingErythrocyte MembraneHydrogen-Ion ConcentrationCell Membrane PermeabilityTemperatureIon ChannelsMembrane ProteinsModels, ChemicalModels, BiologicalProtein ConformationCholesterolVesicular Transport ProteinsProtein Structure, SecondaryProtein Structure, TertiaryCalorimetry, Differential ScanningGramicidinMagnetic Resonance SpectroscopyMicroscopy, Atomic ForceCell LineWaterPhosphatidylserinesThermodynamicsPeptidesQa-SNARE ProteinsExocytosisElectric ConductivityKineticsHydrophobic and Hydrophilic InteractionsPermeabilityMicellesViral Envelope ProteinsSpectrometry, FluorescenceMicroscopy, ElectronCalciumSphingomyelinsMembrane GlycoproteinsMembrane MicrodomainsMutationDetergentsFluorescent DyesDiffusionMicroscopy, FluorescenceSurface PropertiesProtein TransportFreeze FracturingStatic ElectricitySynaptosomal-Associated Protein 25Spinal FusionLipid PeroxidationCarrier ProteinsHemagglutinin Glycoproteins, Influenza VirusEscherichia coliStructure-Activity RelationshipCricetinaeMitochondrial MembranesMembrane Transport ProteinsGene FusionX-Ray DiffractionR-SNARE ProteinsBasement MembraneAnnexin A7HIV Envelope Protein gp41Syntaxin 1AdsorptionN-Ethylmaleimide-Sensitive ProteinsBinding Sites