Amino AcidsAmino Acid Transport SystemsReceptors, Purinergic P2X1LeucineAminoisobutyric AcidsSequence Homology, Amino AcidAmino Acid SequenceBiological TransportAmino Acid SubstitutionCloning, MolecularAmino Acid Transport System AKineticsAlanineAmino Acid Transport Systems, BasicAmino Acids, EssentialAmino Acids, BasicMutationBiological Transport, ActiveMolecular Sequence DataSequence AlignmentProlineBase SequenceGlycineEscherichia coliAmino Acid MotifsCanavanineGlutamineBinding SitesCarrier ProteinsAspartic AcidMutagenesis, Site-DirectedPhenylalanineNitrogenMethionineDNA, ComplementaryCarbon IsotopesAmino Acids, AromaticRecombinant ProteinsSequence Homology, Nucleic AcidPeptide FragmentsAmino Acids, Branched-ChainSodiumProtein ConformationModels, MolecularAmino Acids, SulfurGlucoseStructure-Activity RelationshipArginineSorbic AcidSubstrate SpecificityAminobutyratesCell LineBacterial ProteinsCulture MediaProtein BindingProtein BiosynthesisDNAProtein Structure, TertiaryCarbon RadioisotopesLiverMolecular WeightPeptidesCell MembraneSaccharomyces cerevisiaebeta-AlanineHydrogen-Ion ConcentrationRestriction MappingRNA, MessengerCells, CulturedPhylogenyProteinsCycloleucineSequence Analysis, DNAFatty Acid Transport ProteinsRecombinant Fusion ProteinsFatty AcidsInsulinGenes, BacterialElectrophoresis, Polyacrylamide GelSerinePlasmidsProtein Structure, SecondaryChromatography, High Pressure LiquidSpecies SpecificityLysineConserved SequenceDNA PrimersIsoleucineGlutamatesCattleAmino Acids, NeutralMicrovilliTritiumTime FactorsCodonTrypsinAmino Acids, DiaminoMembrane ProteinsCyanogen BromideMuscles