Amino AcidsAmino Acid SequenceLeucineMolecular Sequence DataProlineMethionineBinding SitesEscherichia coliCulture MediaBase SequenceMutationKineticsSequence Homology, Amino AcidAmino Acid SubstitutionCloning, MolecularAmino Acids, EssentialAmino Acid Transport SystemsSequence AlignmentAmino Acid MotifsMutagenesis, Site-DirectedDNA, ComplementaryAmino Acids, AromaticSequence Homology, Nucleic AcidAmino Acids, Branched-ChainPeptide FragmentsAmino Acids, SulfurRecombinant ProteinsProtein ConformationModels, MolecularStructure-Activity RelationshipProtein Structure, TertiarySubstrate SpecificityDNAMolecular WeightPeptidesProtein BindingBacterial ProteinsRestriction MappingCell LinePhylogenyAlanineRecombinant Fusion ProteinsSequence Analysis, DNAGenes, BacterialProteinsElectrophoresis, Polyacrylamide GelRNA, MessengerAmino Acid Transport Systems, BasicProtein Structure, SecondaryPlasmidsConserved SequenceIsoleucineAmino Acids, BasicLysineSpecies SpecificityChromatography, High Pressure LiquidDNA PrimersCarrier ProteinsCodonCyanogen BromideTrypsinGlycineCattleBiological TransportAmino Acids, DiaminoGlutamineOpen Reading FramesGenesValineProtein BiosynthesisExcitatory Amino AcidsArginineAspartic AcidGene LibrarySaccharomyces cerevisiaeSequence DeletionSequence AnalysisPolymerase Chain ReactionNitrogenPhenylalaninePoint MutationMutagenesisAmino Acid Transport System AAmino Acids, NeutralCysteineTryptophanTransfectionTranscription, GeneticMembrane ProteinsDNA, BacterialBlotting, NorthernMacromolecular SubstancesEvolution, MolecularSequence Analysis, ProteinViral ProteinsGene ExpressionPlant ProteinsThreonineReceptors, Amino AcidRabbits