Aminoisobutyric AcidsAmino AcidsSodiumMicrodialysisCarcinoma, Ehrlich TumorDihydroorotate OxidaseAdrenergic beta-3 Receptor AgonistsExtracellular SpaceOrganic Anion Transporters, Sodium-DependentAmino Acid SequenceSymportersSequence Homology, Amino AcidMolecular Sequence DataBiological TransportAmino Acid SubstitutionIleumCloning, MolecularBile Acids and SaltsBiological Transport, ActiveAmino Acids, EssentialAmino Acid Transport SystemsSequence AlignmentBase SequenceMutationAmino Acid MotifsEscherichia coliBinding SitesKineticsMutagenesis, Site-DirectedDNA, ComplementaryRecombinant ProteinsPeptide FragmentsSequence Homology, Nucleic AcidAmino Acids, AromaticProtein ConformationModels, MolecularAmino Acids, Branched-ChainLeucineMolecular WeightAmino Acids, SulfurProtein BindingStructure-Activity RelationshipCell LineSubstrate SpecificityDNABacterial ProteinsPeptidesProtein Structure, TertiaryElectrophoresis, Polyacrylamide GelRestriction MappingRNA, MessengerRecombinant Fusion ProteinsPhylogenyProteinsAlanineSodium ChannelsSequence Analysis, DNAGenes, BacterialCarrier ProteinsPlasmidsProtein Structure, SecondarySpecies SpecificityChromatography, High Pressure LiquidAmino Acid Transport Systems, BasicCattleConserved SequenceLysineDNA PrimersIsoleucineAmino Acids, BasicAmino Acids, NeutralTrypsinHydrogen-Ion ConcentrationCodonGlycineSaccharomyces cerevisiaeTransfectionProtein BiosynthesisCyanogen BromideArginineMembrane ProteinsGlutamineTranscription, GeneticAmino Acids, DiaminoGenesOpen Reading FramesMethionineValinePolymerase Chain ReactionAspartic AcidSequence DeletionNitrogenProlineMutagenesisPhenylalanineRabbitsGene LibraryPoint MutationExcitatory Amino AcidsSequence Analysis