Amino AcidsSequence Homology, Amino AcidAmino Acid SequenceNucleic AcidsCellophaneAmino Acid SubstitutionCloning, MolecularEscherichia coliSulfuric AcidsMolecular Sequence DataBase SequenceModels, MolecularKineticsAmino Acids, EssentialAmino Acid Transport SystemsDNA, CircularMolecular WeightSequence AlignmentBinding SitesDNA, BacterialMutationAmino Acid MotifsCentrifugation, Density GradientNucleic Acid DenaturationHydrogen-Ion ConcentrationTritiumProtein ConformationMutagenesis, Site-DirectedPeptide FragmentsRecombinant ProteinsDNA, ComplementaryProtein BindingSequence Homology, Nucleic AcidStructure-Activity RelationshipMagnetic Resonance SpectroscopyAmino Acids, AromaticProtein Structure, TertiaryNucleic Acid ConformationLeucinePeptidesAmino Acids, Branched-ChainDNACell LineSubstrate SpecificityAmino Acids, SulfurBacterial ProteinsMicroscopy, ElectronElectrophoresis, Polyacrylamide GelProteinsRecombinant Fusion ProteinsRestriction MappingRNA, MessengerPhylogenyFatty AcidsAlanineSequence Analysis, DNAProtein Structure, SecondaryPlasmidsCarrier ProteinsGenes, BacterialThymidineChromatography, High Pressure LiquidSpecies SpecificityDNA, ViralCattleConserved SequenceDNA PrimersAmino Acid Transport Systems, BasicCell Adhesion MoleculesLysineBiological TransportAmino Acids, NeutralIsoleucineTrypsinMembrane ProteinsAmino Acids, BasicCodonTransfectionGlycineCyanogen BromideGenesPolymerase Chain ReactionProtein BiosynthesisSaccharomyces cerevisiaeAmino Acids, DiaminoGlutamineArginineMacromolecular SubstancesOpen Reading FramesSequence DeletionTranscription, GeneticGene LibraryMethionineValineCell MembraneAspartic AcidCysteinePhenylalanineMutagenesisCells, Cultured