Synaptic VesiclesMembrane FusionSynaptophysinR-SNARE ProteinsSynaptic MembranesElectric OrganExocytosisSynaptotagminsNerve Tissue ProteinsCell MembraneTorpedoIntracellular MembranesEndocytosisNeurofibrilsMembrane ProteinsNeurotransmitter AgentsRana pipiensMicroscopy, ElectronSNARE ProteinsMembranesCell FusionVesicular Transport ProteinsMembrane LipidsSecretory VesiclesSynapsinsViral Fusion ProteinsLiposomesTransport VesiclesSynaptotagmin IQa-SNARE ProteinsRecombinant Fusion ProteinsPyridinium CompoundsMembranes, ArtificialMembrane Fusion ProteinsSynaptosomal-Associated Protein 25Presynaptic TerminalsVesicle-Associated Membrane Protein 2BrainMembrane PotentialsMolecular Sequence DataLipid BilayersAmino Acid SequenceHydrogen-Ion ConcentrationMembrane GlycoproteinsCalciumSyntaxin 1Virus InternalizationProtein BindingCytoplasmic VesiclesCarrier ProteinsSynaptosomesEndosomesSynaptic TransmissionQuaternary Ammonium CompoundsFreeze FracturingSynapsesKineticsCell LinePhosphatidylcholinesMembrane FluidityMutationrab3 GTP-Binding ProteinsClathrinNeuromuscular JunctionProtein TransportGolgi ApparatusErythrocyte MembraneChromaffin GranulesNerve EndingsMunc18 ProteinsNeuronsModels, BiologicalCell FractionationProtein Structure, TertiaryCells, CulturedCell Membrane PermeabilityFluorescent DyesCattleDynaminsN-Ethylmaleimide-Sensitive ProteinsOrganellesPC12 CellsCytoplasmic GranulesBiological TransportSeminal VesiclesViral Envelope ProteinsMicroscopy, Fluorescencerab3A GTP-Binding ProteinCalcium-Binding ProteinsSoluble N-Ethylmaleimide-Sensitive Factor Attachment ProteinsElectric CapacitanceChromaffin CellsDynamin IMembrane Transport ProteinsGreen Fluorescent ProteinsVesicular Acetylcholine Transport ProteinsPhospholipidsTemperatureProtein ConformationVacuoles