Base Pair MismatchNucleic Acid HeteroduplexesDNA Mismatch RepairDNA RepairBase SequenceOligodeoxyribonucleotidesDNAMutS Homolog 2 ProteinMutS DNA Mismatch-Binding ProteinDNA Repair EnzymesColorectal Neoplasms, Hereditary NonpolyposisDNA-Binding ProteinsAdaptor Proteins, Signal TransducingMolecular Sequence DataMutationAdenosine TriphosphatasesMicrosatellite RepeatsBase CompositionBase PairingNuclear ProteinsMicrosatellite InstabilityNucleic Acid ConformationEscherichia coliFrameshift MutationDNA DamageGuanineCarrier ProteinsRecombination, GeneticNeoplasm ProteinsEscherichia coli ProteinsMethylnitronitrosoguanidineEndodeoxyribonucleasesGerm-Line MutationAmino Acid SequenceDNA GlycosylasesMutagenesisThymineSaccharomyces cerevisiaeColorectal NeoplasmsDNA ReplicationDNA, FungalExodeoxyribonucleasesDNA Repair-Deficiency DisordersOligonucleotidesPolymerase Chain ReactionPlasmidsCytosineCloning, MolecularProto-Oncogene ProteinsAlkylating AgentsDNA, BacterialDNA Mutational AnalysisN-Glycosyl HydrolasesSaccharomyces cerevisiae ProteinsModels, GeneticThioguanineModels, MolecularFungal ProteinsBacterial ProteinsGenomic InstabilityPromoter Regions, GeneticDNA, NeoplasmUltraviolet RaysAdenineDNA PrimersTranscription, GeneticBinding SitesPhenotypeRestriction MappingAllelesDNA-Directed DNA PolymeraseCrossing Over, Genetic2-AminopurineRepetitive Sequences, Nucleic AcidSite-Specific DNA-Methyltransferase (Adenine-Specific)Cell LineDNA AdductsProtein BindingDNA MethylationNucleic Acid DenaturationSequence Analysis, DNATime FactorsEndonucleasesSequence DeletionHeLa CellsSequence Homology, Nucleic AcidDNA Sequence, UnstableDinucleotide RepeatsKineticsHydrogen BondingO(6)-Methylguanine-DNA MethyltransferaseDNA Restriction EnzymesUracilEndometrial NeoplasmsTumor Cells, CulturedSubstrate SpecificityGenes, BacterialProliferating Cell Nuclear AntigenPoint MutationGenes