DNA RepairPoint MutationMutation, MissenseMutationDNA Repair EnzymesDNA DamageFrameshift MutationUltraviolet RaysDNA-Binding ProteinsGerm-Line MutationBase SequenceMolecular Sequence DataDNAPedigreeDNA Breaks, Double-StrandedDNA GlycosylasesRecombination, GeneticMutation RateAmino Acid SequenceMutagenesisDNA HelicasesNuclear ProteinsDNA Mismatch RepairExonsHeterozygotePolymerase Chain ReactionAmino Acid SubstitutionRecombinational DNA RepairAllelesRad52 DNA Repair and Recombination ProteinXeroderma PigmentosumEscherichia coliGenotypeDNA-(Apurinic or Apyrimidinic Site) LyaseCell LineDNA Mutational AnalysisEndonucleasesRad51 RecombinaseSaccharomyces cerevisiaeXeroderma Pigmentosum Group D ProteinEndodeoxyribonucleasesMutagensXeroderma Pigmentosum Group A ProteinDNA ReplicationMutagenesis, Site-DirectedMethyl MethanesulfonateDNA End-Joining RepairPyrimidine DimersProtein Structure, TertiarySaccharomyces cerevisiae ProteinsProtein BindingGenomic InstabilityPhenotypePolymorphism, Single-Stranded ConformationalCell Cycle ProteinsBase Pair MismatchSequence Analysis, DNAO(6)-Methylguanine-DNA MethyltransferaseDNA PrimersHomozygoteGenetic Complementation TestRadiation ToleranceTranscription FactorsComet AssayN-Glycosyl HydrolasesSequence Homology, Amino AcidSequence DeletionModels, MolecularGenetic Predisposition to DiseaseGene DeletionCodon, NonsenseGamma RaysPlasmidsBinding SitesTranscription, GeneticModels, GeneticBacterial ProteinsDNA LigasesAntigens, NuclearPoly(ADP-ribose) PolymerasesEscherichia coli ProteinsPolymorphism, GeneticBRCA1 ProteinTumor Suppressor Protein p53Genes, RecessiveGenes, p53HeLa CellsCloning, MolecularDose-Response Relationship, RadiationExodeoxyribonucleasesDNA Repair-Deficiency DisordersFibroblastsAlkylating AgentsSuppression, GeneticDNA, NeoplasmSequence AlignmentCell CycleAtaxia Telangiectasia Mutated ProteinsCodonTumor Suppressor Proteins