Base Pair MismatchNucleic Acid HeteroduplexesBase SequenceOligodeoxyribonucleotidesDNA RepairDNADNA Mismatch RepairBase PairingMolecular Sequence DataBase CompositionNucleic Acid ConformationMutS DNA Mismatch-Binding ProteinMutS Homolog 2 ProteinMutationCloning, MolecularEscherichia coliAmino Acid SequenceDNA-Binding ProteinsThyminePlasmidsGuanineTranscription, GeneticPromoter Regions, GeneticOligonucleotidesHydrogen BondingGenesModels, MolecularCytosineDNA Restriction EnzymesRestriction MappingNucleic Acid DenaturationArtifactsDNA Repair EnzymesBinding SitesSequence Homology, Nucleic AcidAdenineSkull BaseNucleic Acid HybridizationPolymerase Chain ReactionRepetitive Sequences, Nucleic AcidAlgorithmsDNA, BacterialRNASchiff BasesThermodynamicsAdenosine TriphosphatasesRNA, MessengerKineticsSequence Analysis, DNA