Aminoisobutyric AcidsSodiumCarcinoma, Ehrlich TumorOrganic Anion Transporters, Sodium-DependentSymportersAmino AcidsSequence Homology, Amino AcidIleumBiological TransportBile Acids and SaltsAmino Acid SequenceBiological Transport, ActiveAmino Acid SubstitutionCloning, MolecularAmino Acids, EssentialAmino Acid Transport SystemsBase SequenceSequence AlignmentMolecular Sequence DataMutationKineticsEscherichia coliAmino Acid MotifsBinding SitesMutagenesis, Site-DirectedRecombinant ProteinsSodium ChannelsDNA, ComplementaryPeptide FragmentsProtein ConformationSequence Homology, Nucleic AcidMolecular WeightModels, MolecularCell LineProtein BindingAmino Acids, AromaticLeucineAmino Acids, Branched-ChainStructure-Activity RelationshipSubstrate SpecificityAmino Acids, SulfurDNABacterial ProteinsPeptidesElectrophoresis, Polyacrylamide GelProtein Structure, TertiaryRNA, MessengerRecombinant Fusion ProteinsRestriction MappingProteinsCarrier ProteinsPhylogenyAlanineSequence Analysis, DNAGenes, BacterialPlasmidsHydrogen-Ion ConcentrationCattleChromatography, High Pressure LiquidSpecies SpecificityProtein Structure, SecondaryAmino Acid Transport Systems, BasicDNA PrimersLysineConserved SequenceAmino Acids, NeutralIsoleucineTransfectionTrypsinSodium ChlorideMembrane ProteinsAmino Acids, BasicTranscription, GeneticSaccharomyces cerevisiaeCells, CulturedGlycineCodonArginineProtein BiosynthesisRabbitsGlutamineCell MembraneCyanogen BromideAmino Acids, DiaminoGenesPolymerase Chain ReactionMethionineOpen Reading FramesSequence DeletionValineAspartic Acid