DNA Repair EnzymesNuclear ProteinsCell Cycle ProteinsBromosuccinimideAtaxia Telangiectasia Mutated ProteinsNeonatal ScreeningDNA Breaks, Double-StrandedTumor Suppressor ProteinsDNA DamageDNA-Binding ProteinsDNA RepairIntranuclear Inclusion BodiesChromosome BreakageAtaxia TelangiectasiaRadiation, IonizingMicrocephalyProtein-Serine-Threonine KinasesCheckpoint Kinase 2ExodeoxyribonucleasesCell Nucleus StructuresEndodeoxyribonucleasesGamma RaysDithionitrobenzoic AcidMutationPhosphorylationTelomereAdenovirus E4 ProteinsBRCA1 ProteinSyndromeChromosomal Proteins, Non-HistoneS PhaseHeLa CellsHistonesGenomic InstabilityReplication Protein AProtein Structure, TertiaryDNA ReplicationCell NucleusMultiprotein ComplexesProtein BindingRecombination, GeneticRecQ HelicasesGenes, cdcHomologous RecombinationSchizosaccharomyces pombe ProteinsNitrobenzoatesCoprinusCell LineMolecular Sequence DataRadiation ToleranceCell CycleFibroblastsDNA BreaksNeuroblastoma1-NaphthylamineG2 PhaseAbnormalities, MultipleCell Line, TumorCell Line, TransformedMethyl MethanesulfonateCurculigoAmino Acid SequenceImmunologic Deficiency SyndromesLeukemia, Promyelocytic, AcuteTumor Suppressor Protein p53DNA HelicasesNucleic Acid Synthesis InhibitorsInfant, NewbornNeoplastic Syndromes, HereditaryRNA, Small InterferingTranscription FactorsParental ConsentTwo-Hybrid System TechniquesSweatCell ExtractsSmall Ubiquitin-Related Modifier ProteinsHSP110 Heat-Shock ProteinsAdenovirus E1B ProteinsCarrier ProteinsDNAProtein KinasesRad51 RecombinaseNaphthalimidesTelomeric Repeat Binding Protein 1Dried Blood Spot TestingDNA-Activated Protein KinaseSignal TransductionBinding SitesGene Rearrangement, alpha-Chain T-Cell Antigen ReceptorModels, BiologicalDrosophila ProteinsSchizosaccharomycesBloom SyndromeCells, CulturedChromatinDisease ResistanceImmunoprecipitationImmunoglobulin Switch RegionSumoylationSaccharomyces cerevisiae Proteins