Sequence Homology, Amino AcidAmino Acid SequenceMolecular Sequence DataSequence Homology, Nucleic AcidAmino AcidsBase SequenceCloning, MolecularPhylogenySequence AlignmentDNA, BacterialSequence Analysis, DNANucleic Acid HybridizationSequence HomologyAmino Acid SubstitutionEscherichia coliSpecies SpecificityRNA, Ribosomal, 16SDNA, ComplementaryDNA, RibosomalBinding SitesBase CompositionDNARestriction MappingGenes, BacterialBacterial ProteinsMutationModels, MolecularGenesProtein Structure, TertiaryProtein ConformationPlasmidsAmino Acids, EssentialRecombinant ProteinsAmino Acid MotifsMolecular WeightPeptide FragmentsBacterial Typing TechniquesAmino Acid Transport SystemsProtein BindingMutagenesis, Site-DirectedRNA, MessengerSubstrate SpecificityKineticsCell LinePolymerase Chain ReactionConserved SequenceOpen Reading FramesGenes, rRNADNA Restriction EnzymesPeptidesElectrophoresis, Polyacrylamide GelDNA PrimersStructure-Activity RelationshipProteinsRecombinant Fusion ProteinsCarrier ProteinsGene LibraryTranscription, GeneticProtein Structure, SecondaryPhenotypeBiological EvolutionMultigene FamilyCattleFatty AcidsSaccharomyces cerevisiaeAmino Acids, AromaticChromosome MappingLeucineRNA, BacterialStructural Homology, ProteinAmino Acids, Branched-ChainBlotting, SouthernMembrane ProteinsSoil MicrobiologyEvolution, MolecularViral ProteinsBlotting, NorthernGenes, ViralGenetic VariationAmino Acids, SulfurCyanogen BromideTrypsinChromatography, High Pressure Liquidsrc Homology DomainsPlant ProteinsTransfectionCodonRepetitive Sequences, Nucleic AcidGene ExpressionSequence AnalysisProtein BiosynthesisDNA-Binding ProteinsGenetic Complementation TestCluster AnalysisSequence Analysis, ProteinAlanineSequence DeletionDNA, ViralMacromolecular SubstancesCross Reactions