HydrogenAmino AcidsHydrogen BondingHydrogen PeroxideSequence Homology, Amino AcidHydrogen SulfideAmino Acid SequenceAmino Acid SubstitutionCloning, MolecularAmino Acids, EssentialAmino Acid Transport SystemsModels, MolecularSequence AlignmentBinding SitesEscherichia coliBase SequenceMutationAmino Acid MotifsProtein ConformationMolecular Sequence DataKineticsMutagenesis, Site-DirectedRecombinant ProteinsDNA, ComplementaryStructure-Activity RelationshipPeptide FragmentsAmino Acids, AromaticSequence Homology, Nucleic AcidProtein Structure, TertiaryProtein BindingAmino Acids, Branched-ChainSubstrate SpecificityLeucineAmino Acids, SulfurBacterial ProteinsPeptidesDNAProtein Structure, SecondaryMolecular WeightCell LineProteinsAlanineRestriction MappingPhylogenySequence Analysis, DNAGenes, BacterialRecombinant Fusion ProteinsOxidation-ReductionRNA, MessengerElectrophoresis, Polyacrylamide GelPlasmidsConserved SequenceChromatography, High Pressure LiquidCattleLysineHydrogen CyanideAmino Acid Transport Systems, BasicSpecies SpecificityIsoleucineDNA PrimersGlycineCatalysisCrystallography, X-RayAmino Acids, BasicCarrier ProteinsHydrogen-Ion ConcentrationCysteineAspartic AcidMagnetic Resonance SpectroscopyCodonGlutamineMolecular StructureBiological TransportArginineTrypsinNitrogenCyanogen BromideMethionineSaccharomyces cerevisiaeValinePhenylalanineOpen Reading FramesTemperatureMutagenesisProlineAmino Acids, DiaminoGenesProtein BiosynthesisHealth LiteracyPoint MutationTryptophanPolymerase Chain ReactionSequence DeletionExcitatory Amino AcidsGene LibraryServing SizeMembrane ProteinsDNA, BacterialMass SpectrometryTranscription, Genetic