Membrane FusionCell MembraneMembrane LipidsUnilamellar LiposomesIntracellular MembranesMembranesLipid BilayersMembrane FluidityLiposomesMembranes, ArtificialCell FusionMembrane PotentialsViral Fusion ProteinsProtein Structure, TertiaryErythrocyte MembraneMembrane Fusion ProteinsRecombinant Fusion ProteinsModels, BiologicalProtein BindingMolecular Sequence DataSNARE ProteinsAmino Acid SequenceModels, MolecularCell Membrane PermeabilityHydrophobic and Hydrophilic InteractionsProtein Structure, SecondaryProtein TransportMicroscopy, ElectronVirus InternalizationCell LineBasement Membranebeta-SynucleinMembrane ProteinsPhosphatidylcholinesEndocytosisTransport VesiclesMembrane GlycoproteinsPhosphatidylethanolaminesStatic ElectricityGolgi ApparatusMicroscopy, FluorescenceMutationExocytosisQa-SNARE ProteinsCarrier ProteinsHydrogen-Ion ConcentrationMembrane Transport ProteinsVesicular Transport ProteinsViral Envelope ProteinsMitochondrial MembranesProtein MultimerizationCryoelectron MicroscopyADP-Ribosylation Factor 1Microscopy, Electron, TransmissionHeLa CellsCercopithecus aethiopsNerve Tissue ProteinsProtein ConformationCalciumFluorescent DyesADP-Ribosylation FactorsMolecular ConformationSpinal CurvaturesLipidsDynaminsFreeze FracturingSynaptic MembranesPhosphatidylinositol 4,5-DiphosphateThermodynamicsSaccharomyces cerevisiae ProteinsPhospholipidsSpinal FusionVacuolesCricetinaeEscherichia coliAcyltransferasesElasticityVirus ReleaseModels, ChemicalScattering, RadiationCells, CulturedBase SequenceTemperatureSynaptosomal-Associated Protein 25Endoplasmic ReticulumDimerizationGTPase-Activating ProteinsBacterial ProteinsComputer SimulationProtein Structure, QuaternaryAnnexin A7N-Ethylmaleimide-Sensitive ProteinsGene FusionMunc18 ProteinsClathrinSoluble N-Ethylmaleimide-Sensitive Factor Attachment ProteinsBiophysical PhenomenaSyntaxin 1EndosomesElectrophoresis, Polyacrylamide Gel