MutagenesisMutagenesis, Site-DirectedMolecular Sequence DataBase SequenceAmino Acid SequenceMutationMutagenesis, InsertionalEscherichia coliCloning, MolecularBinding SitesPlasmidsClinical ProtocolsStructure-Activity RelationshipPoint MutationRecombinant ProteinsRestriction MappingOligodeoxyribonucleotidesModels, MolecularDNATransfectionKineticsSequence Homology, Amino AcidDNA Mutational AnalysisDNA Transposable ElementsCell LineTranscription, GeneticDNA PrimersGenes, BacterialAmino Acid SubstitutionSaccharomyces cerevisiaeProtein ConformationProtein BindingGenetic VectorsHistidineProtein Structure, TertiaryDNA, RecombinantPromoter Regions, GeneticSequence AlignmentOligonucleotide ProbesGenesSequence DeletionSubstrate SpecificityRecombinant Fusion ProteinsGenes, FungalPhenotypePolymerase Chain ReactionChromosome DeletionAllelesElectrophoresis, Polyacrylamide GelProtein Processing, Post-TranslationalDNA Restriction EnzymesTemperatureDNA-Binding ProteinsGenes, ViralSequence Homology, Nucleic AcidCricetinaeMacromolecular SubstancesRegulatory Sequences, Nucleic AcidChromosome MappingProtein BiosynthesisDNA, ViralSpecies SpecificityGene Expression RegulationTranscription FactorsGene ExpressionBacterial ProteinsRNA, MessengerCysteineProtein Structure, SecondaryMutagensEthylnitrosoureaCatalysisAlanineCrystallography, X-RaySOS Response (Genetics)Conserved SequenceEscherichia coli ProteinsCatalytic DomainGenetic Complementation TestDNA, BacterialTime FactorsEthyl MethanesulfonateProtein EngineeringDirected Molecular EvolutionLysineAspartic AcidEnzyme StabilityAmino Acid MotifsUltraviolet RaysMutant ProteinsSequence Analysis, DNAResearch DesignGene Expression Regulation, BacterialAsparagineTreatment OutcomeSerineCOS CellsDNA RepairDNA-Directed DNA PolymeraseArginine