LigandsMembranesCell MembraneMembrane LipidsIntracellular MembranesMembrane PotentialsMembranes, ArtificialErythrocyte MembraneMembrane FluidityCell Membrane PermeabilityBasement MembraneMembrane GlycoproteinsProtein BindingCD40 LigandMembrane Transport ProteinsCell LineFas Ligand ProteinBinding SitesLipid BilayersMolecular Sequence DataProtein Structure, TertiaryModels, MolecularProtein TransportAmino Acid SequenceMitochondrial MembranesMicroscopy, ElectronCells, CulturedCarrier ProteinsSynaptic MembranesModels, BiologicalSignal TransductionCalciumLiposomesProtein ConformationMutationRecombinant Fusion ProteinsHydrogen-Ion ConcentrationEscherichia coliCell FractionationKineticsElectrophoresis, Polyacrylamide GelBacterial ProteinsRecombinant ProteinsDetergentsMicroscopy, FluorescenceBase SequenceEndocytosisPeptidesReceptors, Cell SurfaceExtraembryonic MembranesEndoplasmic ReticulumCricetinaeGolgi ApparatusPhosphatidylcholinesMolecular WeightTransfectionTemperatureSequence Homology, Amino AcidProtein Structure, SecondaryTime FactorsSolubilityStructure-Activity RelationshipBinding, CompetitiveFreeze FracturingRANK LigandCHO CellsMicroscopy, ConfocalCattleCytoplasmRabbitsSubcellular FractionsPotassiumMitochondriaCell Membrane StructuresBlotting, WesternMicrovilliFluorescent DyesErythrocytesBiological Transport, ActiveCloning, MolecularIon ChannelsFluorescent Antibody TechniqueCOS CellsAdenosine TriphosphateSodiumMembrane Potential, MitochondrialRNA, MessengerPurple MembraneMutagenesis, Site-DirectedCytosolSpectrometry, FluorescenceDose-Response Relationship, DrugAntibodies, MonoclonalMolecular StructurePeptide FragmentsCrystallography, X-RayEndosomesElectric ConductivityPermeabilityMolecular Conformation