Amino Acid SequenceMolecular Sequence DataComputational BiologyProtein BindingModels, MolecularBinding SitesAmino AcidsProtein ConformationProtein Structure, TertiaryProtein Interaction MappingSequence Homology, Amino AcidBase SequenceSequence AlignmentAmino Acid SubstitutionTwo-Hybrid System TechniquesProteinsMutagenesis, Site-DirectedMutationSequence Analysis, ProteinCloning, MolecularCell LineTranscription FactorsProtein Structure, SecondaryPhylogenyDatabases, ProteinCrystallography, X-RaySequence Analysis, DNAKineticsConserved SequenceGene Expression ProfilingStructure-Activity RelationshipBacterial ProteinsEscherichia coliAmino Acid MotifsHydrogen BondingSoftwareCatalytic DomainEvolution, MolecularDNA, ComplementaryRecombinant ProteinsMultigene FamilySubstrate SpecificityOpen Reading FramesCatalysisRNA, MessengerComputer SimulationOligonucleotide Array Sequence AnalysisSequence Homology, Nucleic AcidGenomicsMicroRNAsSolventsAmino Acids, EssentialProtein FoldingGenes, BacterialProteomicsPeptide FragmentsStatic ElectricityGene Expression RegulationModels, ChemicalMolecular StructureAmino Acid Transport SystemsThermodynamicsGene LibraryTranscription, GeneticDNA PrimersDNAPeptidesRecombinant Fusion ProteinsGene Expression Regulation, BacterialProteomeSpecies SpecificityMembrane ProteinsPlasmidsExpressed Sequence TagsPromoter Regions, GeneticPlant ProteinsTranscriptomeGenome, BacterialReverse Transcriptase Polymerase Chain ReactionDatabases, GeneticPolymerase Chain ReactionGene ExpressionCluster AnalysisCysteineSequence DeletionDNA, BacterialAmino Acids, AromaticLysineDNA Mutational AnalysisSignal TransductionMass SpectrometryMolecular WeightGene DeletionAlanineLeucineGenome, ViralSaccharomyces cerevisiaeElectrophoresis, Polyacrylamide GelEscherichia coli ProteinsSequence Analysis, RNA