Membrane FusionCell MembraneMembranesCell FusionViral Fusion ProteinsMembrane LipidsRecombinant Fusion ProteinsIntracellular MembranesVirus InternalizationViral Envelope ProteinsMembrane PotentialsMembranes, ArtificialVirionViral Matrix ProteinsCell LineSemliki forest virusMolecular Sequence DataBacteriophage PRD1Erythrocyte MembraneMembrane FluidityAmino Acid SequenceVaccinia virusMicroscopy, ElectronMembrane GlycoproteinsViral ProteinsVirus AssemblyHydrogen-Ion ConcentrationSpinal FusionHIV Envelope Protein gp41Lipid BilayersLiposomesCell Membrane PermeabilityGene FusionGlycoproteinsBasement MembraneCricetinaeHemagglutinin Glycoproteins, Influenza VirusProtein Structure, TertiaryElectron Microscope TomographyGolgi ApparatusMicroscopy, ImmunoelectronHemagglutinins, ViralProtein BindingVirus InactivationIsopropyl ThiogalactosideCryoelectron MicroscopyCercopithecus aethiopsModels, MolecularEndoplasmic ReticulumVesicular stomatitis Indiana virusOncogene Proteins, FusionModels, BiologicalMutationProtein ConformationHeLa CellsOrthomyxoviridaeHerpesvirus 1, SuidParainfluenza Virus 1, HumanTemperatureMembrane Transport ProteinsCytoplasmVero CellsProtein Structure, SecondaryProtein TransportCells, CulturedMitochondrial MembranesSolubilityMembrane ProteinsInfluenza A virusEscherichia coliBase SequenceSindbis VirusProtein Processing, Post-TranslationalKineticsBinding SitesPeptidesVacciniaSynaptic MembranesFuransNucleocapsidReceptors, VirusVirus ReplicationHIV-1Carrier ProteinsBacterial ProteinsCalciumMicroscopy, FluorescenceCloning, MolecularCell FractionationKidneyElectrophoresis, Polyacrylamide GelGreen Fluorescent ProteinsPhosphatidylcholinesViral Plaque AssayOncogene FusionAntibodies, NeutralizingDetergentsGlucosamineProtein FoldingEndocytosis