Cell FusionMembrane FusionRecombinant Fusion ProteinsViral Fusion ProteinsGiant CellsSpinal FusionMolecular Sequence DataGene FusionCell LineAmino Acid SequenceMutationOncogene Proteins, FusionX Chromosome InactivationViral Envelope ProteinsKineticsHybrid CellsVirus InactivationParainfluenza Virus 1, HumanBase SequenceParainfluenza Virus 2, HumanCercopithecus aethiopsCell MembraneMembrane ProteinsAntigens, CD98Cells, CulturedCricetinaeVirus InternalizationVero CellsTransfectionCytopathogenic Effect, ViralCloning, MolecularHN ProteinOncogene FusionHeLa CellsProtein BindingGene Products, envGreen Fluorescent ProteinsHydrogen-Ion ConcentrationHIV Fusion InhibitorsCell DifferentiationProtein Structure, TertiaryTime FactorsGenetic Complementation TestBinding SitesRecombinant ProteinsViral ProteinsEscherichia coliModels, BiologicalPheromonesSaccharomyces cerevisiaeDosage Compensation, GeneticTemperaturePhenotypeIon Channel GatingFungal ProteinsMeasles virusGene ExpressionReceptors, VirusTranscription FactorsSodium ChannelsCytoplasmHIV Envelope Protein gp41MyoblastsCHO CellsSaccharomyces cerevisiae ProteinsGlycoproteinsPlasmidsTrophoblastsLuminescent ProteinsMutagenesis, Site-DirectedHemagglutinins, ViralGene DeletionRespirovirusMembrane GlycoproteinsMembrane PotentialsSequence Homology, Amino AcidMicroscopy, FluorescenceBacterial ProteinsPeptidesAntibodies, MonoclonalCalciumHerpesvirus 1, HumanDNA PrimersVirus ReplicationRubulavirusSignal TransductionCaenorhabditis elegansbeta-GalactosidaseNewcastle disease virusCarrier ProteinsVulvaGene SilencingCell NucleusProtein ConformationTranscription, GeneticVirionDNA-Binding ProteinsMicroscopy, ElectronMutagenesisCaenorhabditis elegans Proteins