Aminoisobutyric AcidsSodiumCarcinoma, Ehrlich TumorOrganic Anion Transporters, Sodium-DependentSymportersAmino AcidsSequence Homology, Amino AcidBiological TransportIleumBile Acids and SaltsBiological Transport, ActiveAmino Acid SequenceAmino Acid SubstitutionCloning, MolecularAmino Acids, EssentialAmino Acid Transport SystemsKineticsBase SequenceMolecular Sequence DataMutationSequence AlignmentEscherichia coliBinding SitesAmino Acid MotifsMutagenesis, Site-DirectedRecombinant ProteinsCell LineDNA, ComplementarySodium ChannelsPeptide FragmentsProtein BindingProtein ConformationMolecular WeightSequence Homology, Nucleic AcidModels, MolecularLeucineAmino Acids, AromaticStructure-Activity RelationshipSubstrate SpecificityAmino Acids, Branched-ChainBacterial ProteinsDNAPeptidesAmino Acids, SulfurElectrophoresis, Polyacrylamide GelCarrier ProteinsRNA, MessengerProtein Structure, TertiaryHydrogen-Ion ConcentrationRecombinant Fusion ProteinsProteinsAlanineRestriction MappingPhylogenyPlasmidsGenes, BacterialCattleSequence Analysis, DNAChromatography, High Pressure LiquidSpecies SpecificityAmino Acid Transport Systems, BasicCells, CulturedDNA PrimersProtein Structure, SecondaryLysineAmino Acids, NeutralConserved SequenceCell MembraneMembrane ProteinsTransfectionIsoleucineSodium ChlorideRabbitsSaccharomyces cerevisiaeGlycineTime FactorsTrypsinTranscription, GeneticGlutamineAmino Acids, BasicProtein BiosynthesisMethionineCodonLiverNitrogenAmino Acids, DiaminoTemperatureArginineProlineAspartic AcidPolymerase Chain ReactionGene ExpressionGenesCyanogen BromideValineOpen Reading FramesGlucoseSequence DeletionPhenylalanineCysteine