Cell MembraneMembranesMembrane LipidsMembranes, ArtificialIntracellular MembranesMembrane PotentialsMembrane FluidityLipid BilayersErythrocyte MembraneCell Membrane PermeabilityLiposomesPhosphatidylcholinesBasement MembraneMicroscopy, ElectronSurface PropertiesProtein BindingFreeze FracturingPhosphatidylserinesModels, BiologicalMembrane Transport ProteinsCalciumPhosphatidylglycerolsMembrane GlycoproteinsModels, MolecularFreeze EtchingHydrogen-Ion ConcentrationProtein TransportProtein Structure, TertiaryPhosphatidylethanolaminesUnilamellar LiposomesMolecular Sequence DataAmino Acid SequenceSpectrometry, FluorescenceKineticsProtein ConformationBinding SitesPhospholipidsDiffusionCell LineFluorescent DyesProtein Structure, SecondaryErythrocytesMitochondrial MembranesStatic ElectricityTemperatureMolecular ConformationCells, CulturedEscherichia coliSynaptic MembranesCarrier ProteinsMicroscopy, FluorescenceElectrophoresis, Polyacrylamide GelCell FractionationElectric ConductivityIon ChannelsCattleWaterBacterial ProteinsMicrovilliMathematicsPotassiumDetergentsEndoplasmic ReticulumMembrane ProteinsMutationEndocytosisPermeabilityRecombinant Fusion ProteinsPeptidesMagnetic Resonance SpectroscopyRabbitsSodiumEnergy TransferMolecular WeightAlamethicinTime FactorsHydrophobic and Hydrophilic InteractionsBacteriorhodopsinsModels, ChemicalCytoplasm1,2-DipalmitoylphosphatidylcholineBiological Transport, ActiveCholesterolOsmotic FragilityMitochondriaMicroscopy, ConfocalDimyristoylphosphatidylcholineAdenosine TriphosphateThermodynamicsMicellesSolubilitySpin LabelsLipidsExtraembryonic MembranesRecombinant ProteinsExocytosisSubcellular FractionsAnionsProtonsOsmolar Concentration