Amino AcidsSequence Homology, Amino AcidAmino Acid SubstitutionCloning, MolecularAmino Acid SequenceAmino Acids, EssentialAmino Acid Transport SystemsBase SequenceSequence AlignmentAmino Acid MotifsBinding SitesMutationEscherichia coliMolecular Sequence DataInterleukin-1betaMutagenesis, Site-DirectedRecombinant ProteinsKineticsDNA, ComplementaryPeptide FragmentsProtein ConformationModels, MolecularAmino Acids, AromaticSequence Homology, Nucleic AcidCell LineStructure-Activity RelationshipAmino Acids, SulfurLeucineDNARNA, Messengerbeta 2-MicroglobulinSubstrate SpecificityMolecular WeightProtein Structure, TertiaryRecombinant Fusion ProteinsBacterial ProteinsRestriction MappingPeptidesProtein BindingElectrophoresis, Polyacrylamide GelProteinsProtein Structure, SecondaryAlanineSequence Analysis, DNAAmino Acids, Branched-ChainPlasmidsGenes, BacterialDNA PrimersPhylogenyCarrier ProteinsReceptors, Adrenergic, betaIntegrin beta3Chromatography, High Pressure LiquidCattleSpecies SpecificityLysineAmino Acid Transport Systems, BasicTransfectionIsoleucineConserved SequenceAmino Acids, BasicMacromolecular SubstancesPolymerase Chain ReactionCodonTrypsinGenesCells, CulturedBiological TransportGlycineTranscription, GeneticGene ExpressionCyanogen BromideProtein BiosynthesisMembrane ProteinsSequence DeletionAmino Acids, DiaminoOpen Reading FramesGlutamineValinePoint MutationGene LibraryMutagenesisMethionineSaccharomyces cerevisiaeExcitatory Amino AcidsBlotting, NorthernSequence AnalysisProlineCysteineArginineAspartic AcidNitrogenTransforming Growth Factor betaCricetinaeTryptophanAmino Acid Transport System ACell MembraneAmino Acids, NeutralRabbitsDNA-Binding Proteins