Amino AcidsSequence Homology, Amino AcidAmino Acid SequenceSubstance PMolecular Sequence DataAmino Acid SubstitutionCloning, MolecularMembrane ProteinsProtein Structure, TertiaryBase SequenceMutationSequence AlignmentMutagenesis, Site-DirectedModels, MolecularBinding SitesCystic Fibrosis Transmembrane Conductance RegulatorProtein ConformationCell MembraneAmino Acid Transport SystemsProtein Structure, SecondaryAmino Acids, EssentialKineticsAmino Acid MotifsEscherichia coliCell LineDNA, ComplementaryRecombinant ProteinsProtein BindingStructure-Activity RelationshipRecombinant Fusion ProteinsPeptide FragmentsSubstance-Related DisordersPeptidesBacterial ProteinsSequence Homology, Nucleic AcidBiological TransportLeucineHydrogen-Ion ConcentrationSubstrate SpecificityAmino Acids, AromaticMolecular WeightDNANeutral RedCarrier ProteinsTransfectionRNA, MessengerCysteineAlanineElectrophoresis, Polyacrylamide GelAmino Acids, Branched-ChainPhylogenyRestriction MappingConserved SequenceAmino Acids, SulfurCOS CellsDNA PrimersPlasmidsProteinsCricetinaeSequence Analysis, DNAAmino Acids, NeutralCattleMutagenesisChromatography, High Pressure LiquidSpecies SpecificityNeutral CeramidaseLysinePoint MutationGenes, BacterialSequence DeletionReceptors, Neurokinin-1GlycineRabbitsCells, CulturedAspartic AcidAmino Acid Transport Systems, BasicSignal TransductionIsoleucineTrypsinPolymerase Chain ReactionCHO CellsGene ExpressionSaccharomyces cerevisiaeMembrane Transport ProteinsCytoplasmEndopeptidasesArginineMembrane GlycoproteinsModels, BiologicalSubstance Abuse Treatment CentersHydrolysisProtein Sorting SignalsPhenylalanineTryptophanProlineDimerizationEvolution, MolecularTime FactorsProtein TransportGene Library