Membrane ProteinsProtein Structure, SecondaryCell MembraneMolecular Sequence DataAmino Acid SequenceModels, MolecularProtein Structure, TertiaryHelix (Snails)Protein ConformationMembrane LipidsBacterial Outer Membrane ProteinsIntracellular MembranesMembranesLipid BilayersMembrane Transport ProteinsProtein BindingBinding SitesMutationEscherichia coliMembrane PotentialsMutagenesis, Site-DirectedMembranes, ArtificialBacterial ProteinsHydrophobic and Hydrophilic InteractionsSequence Homology, Amino AcidBase SequenceEscherichia coli ProteinsProtein TransportErythrocyte MembraneRecombinant Fusion ProteinsStructure-Activity RelationshipCell LineProtein FoldingAmino Acid SubstitutionCrystallography, X-RayCysteineDetergentsMembrane FluidityCloning, MolecularRecombinant ProteinsDimerizationKineticsPeptidesMembrane GlycoproteinsSequence AlignmentEndoplasmic ReticulumCarrier ProteinsBacteriorhodopsinsNuclear Magnetic Resonance, BiomolecularRhodopsinModels, BiologicalElectrophoresis, Polyacrylamide GelCOS CellsCell Membrane PermeabilityHydrogen BondingAmino Acid MotifsMicellesCytoplasmBiological TransportMagnetic Resonance SpectroscopyCystic Fibrosis Transmembrane Conductance RegulatorGlycophorinHydrogen-Ion ConcentrationProtein MultimerizationThermodynamicsMutagenesisModels, ChemicalCricetinaeViral Matrix ProteinsLigandsTransfectionBasement MembraneMolecular Dynamics SimulationSymportersProtein Structure, QuaternarySignal TransductionCHO CellsLiposomesMolecular WeightMicroscopy, ElectronComputer SimulationSolubilityAlaninePeptide FragmentsGolgi ApparatusIon ChannelsPlasmidsMolecular ConformationPorinsPeriplasmProtein Sorting SignalsTemperatureMonosaccharide Transport ProteinsConserved SequenceAntiportersCalciumCross-Linking ReagentsPhosphatidylcholinesAspartic AcidProtons