Sequence Homology, Amino AcidBacteriaAmino Acid SequenceMolecular Sequence DataAmino AcidsSequence Homology, Nucleic AcidCloning, MolecularBase SequenceEscherichia coliSequence AlignmentBacterial ProteinsAmino Acid SubstitutionPhylogenySequence HomologyGram-Negative BacteriaGram-Positive BacteriaSequence Analysis, DNADNA, BacterialGenes, BacterialBinding SitesDNA, ComplementaryMutationSpecies SpecificityModels, MolecularDNARestriction MappingPlasmidsProtein Structure, TertiaryBacteria, AnaerobicRecombinant ProteinsProtein ConformationGenesProtein BindingAmino Acid MotifsAmino Acids, EssentialKineticsMolecular WeightNucleic Acid HybridizationSubstrate SpecificityPeptide FragmentsAmino Acid Transport SystemsMutagenesis, Site-DirectedCell LineRNA, MessengerRNA, Ribosomal, 16SOpen Reading FramesConserved SequencePolymerase Chain ReactionStructure-Activity RelationshipPeptidesRecombinant Fusion ProteinsDNA PrimersCarrier ProteinsElectrophoresis, Polyacrylamide GelTranscription, GeneticDNA Restriction EnzymesProteinsProtein Structure, SecondaryGene LibraryMultigene FamilyBacteria, AerobicDNA, RibosomalCattleGene Expression Regulation, BacterialMembrane ProteinsSaccharomyces cerevisiaeStructural Homology, ProteinLeucineAmino Acids, AromaticChromatography, High Pressure LiquidAmino Acids, Branched-ChainBlotting, NorthernGenetic Complementation TestRNA, BacterialCulture MediaChromosome MappingBlotting, SouthernTrypsinGene ExpressionEvolution, MolecularCodonAmino Acids, SulfurSequence AnalysisBase CompositionAnti-Bacterial AgentsCyanogen BromidePlant ProteinsTransfectionGram-Negative Aerobic BacteriaBiological EvolutionDNA-Binding ProteinsProtein BiosynthesisViral Proteinssrc Homology DomainsMutagenesisTemperatureHydrogen-Ion ConcentrationWater MicrobiologyAlanineCrystallography, X-Ray