Membrane ProteinsAmino Acid SequenceMolecular Sequence DataProtein Structure, TertiaryModels, MolecularMutagenesis, Site-DirectedProtein Structure, SecondaryCystic Fibrosis Transmembrane Conductance RegulatorBinding SitesProtein ConformationSequence Homology, Amino AcidCell MembraneMutationBase SequenceProtein BindingAmino Acid SubstitutionStructure-Activity RelationshipCysteineKineticsCloning, MolecularCell LineSequence AlignmentRecombinant ProteinsRecombinant Fusion ProteinsEscherichia coliPeptide FragmentsPeptidesSubstrate SpecificityAmino Acid MotifsAmino AcidsTransfectionMutagenesisCOS CellsConserved SequenceCrystallography, X-RayBacterial ProteinsDimerizationDNA, ComplementaryHydrogen-Ion ConcentrationCricetinaeProtein FoldingLysinePoint MutationHistidineLigandsMagnetic Resonance SpectroscopyDrug ResiduesAlanineCircular DichroismBiological TransportHydrophobic and Hydrophilic InteractionsProtein TransportSignal TransductionCHO CellsAspartic AcidEscherichia coli ProteinsCarrier ProteinsPhosphorylationCytoplasmCatalytic DomainMembrane GlycoproteinsDNA PrimersCatalysisLipid BilayersDisulfidesMembrane Transport ProteinsGlycosylationTyrosineElectrophoresis, Polyacrylamide GelProtein Processing, Post-TranslationalPesticide ResiduesTryptophanEndoplasmic ReticulumSequence DeletionNuclear Magnetic Resonance, BiomolecularModels, ChemicalProtein MultimerizationPlasmidsModels, BiologicalHydrogen BondingIon Channel GatingCercopithecus aethiopsMembrane PotentialsCattleProtein Structure, QuaternaryXenopus laevisDNASerineArginineHydrolysisAsparagineProteinsProtein Sorting SignalsTrypsinReceptors, Cell SurfaceOocytesMesylatesCystic FibrosisCells, CulturedCross-Linking Reagents