Aminoisobutyric AcidsSodiumCarcinoma, Ehrlich TumorOrganic Anion Transporters, Sodium-DependentSymportersAmino AcidsBiological Transport, ActiveSequence Homology, Amino AcidIleumBiological TransportBile Acids and SaltsAmino Acid SequencePotassiumSodium IsotopesCesiumLithiumAmino Acid SubstitutionAmilorideKineticsOuabainMembrane PotentialsCloning, MolecularCalciumExtracellular SpaceAmino Acids, EssentialSodium-Hydrogen AntiporterAmino Acid Transport SystemsBariumChloridesBase SequenceSequence AlignmentMolecular Sequence DataMutationHydrogen-Ion ConcentrationTetrodotoxinEscherichia coliAmino Acid MotifsBinding SitesCells, CulturedElectric ConductivityMutagenesis, Site-DirectedRecombinant ProteinsSodium ChannelsDNA, ComplementaryPeptide FragmentsProtein ConformationSequence Homology, Nucleic AcidMolecular WeightModels, MolecularCell LineProtein BindingAmino Acids, AromaticLeucineAmino Acids, Branched-ChainStructure-Activity RelationshipSubstrate SpecificityElectrophysiologyAmino Acids, SulfurDNABacterial ProteinsPeptidesNeuronsElectrophoresis, Polyacrylamide GelRats, Sprague-DawleyProtein Structure, TertiaryRNA, MessengerRecombinant Fusion ProteinsRestriction MappingProteinsCarrier ProteinsPhylogenyAlanineSequence Analysis, DNAGenes, BacterialPlasmidsCattleChromatography, High Pressure LiquidSpecies SpecificityProtein Structure, SecondaryAmino Acid Transport Systems, BasicDNA PrimersLysineConserved SequenceAmino Acids, NeutralIsoleucineTransfectionTrypsinSodium ChlorideMembrane ProteinsAmino Acids, BasicTranscription, GeneticSaccharomyces cerevisiaeGlycineCodonArginineProtein BiosynthesisRabbitsGlutamineCell MembraneCyanogen Bromide