Amino AcidsSequence Homology, Amino AcidClick ChemistryAmino Acid SequenceAmino Acid SubstitutionCloning, MolecularChemistry, ClinicalAmino Acids, EssentialChemistry, OrganicAmino Acid Transport SystemsSequence AlignmentBase SequenceAmino Acid MotifsEscherichia coliBinding SitesModels, MolecularMutationChemistryMolecular Sequence DataKineticsMutagenesis, Site-DirectedProtein ConformationDNA, ComplementaryStructure-Activity RelationshipAmino Acids, AromaticPeptide FragmentsSequence Homology, Nucleic AcidAmino Acids, Branched-ChainRecombinant ProteinsAmino Acids, SulfurPeptidesLeucineDNAProtein Structure, TertiarySubstrate SpecificityProtein BindingClinical Chemistry TestsBacterial ProteinsMolecular WeightCombinatorial Chemistry TechniquesProteinsMolecular StructureRestriction MappingPhylogenyCell LineSequence Analysis, DNAChemistry, AnalyticAlanineRecombinant Fusion ProteinsGenes, BacterialChromatography, High Pressure LiquidProtein Structure, SecondaryElectrophoresis, Polyacrylamide GelRNA, MessengerPlasmidsLysineConserved SequenceAmino Acid Transport Systems, BasicSpecies SpecificityDNA PrimersIsoleucineCattleAmino Acids, BasicCarrier ProteinsCatalysisTrypsinCodonGlycineBiological TransportCyanogen BromideNitrogenGlutaminePolymerase Chain ReactionGenesMethionineProtein BiosynthesisAmino Acids, DiaminoCysteineArginineOpen Reading FramesGene LibraryAspartic AcidValineSaccharomyces cerevisiaeSequence AnalysisExcitatory Amino AcidsStereoisomerismPhenylalanineMutagenesisOxidation-ReductionProlineAlkynesSequence DeletionBlood Chemical AnalysisTryptophanPoint MutationModels, ChemicalMembrane ProteinsTransfectionAmino Acid Transport System A