Cell CycleCell Cycle ProteinsDNA DamageG2 PhaseAtaxia Telangiectasia Mutated ProteinsDNA RepairProtein-Serine-Threonine KinasesDNA-Binding ProteinsTumor Suppressor Protein p53Nuclear ProteinsCheckpoint Kinase 2Genes, cdcCell Cycle CheckpointsMitosisS PhaseProtein KinasesG1 PhaseSchizosaccharomycesSaccharomyces cerevisiae ProteinsSchizosaccharomyces pombe ProteinsHydroxyureaRad52 DNA Repair and Recombination ProteinDNA ReplicationG2 Phase Cell Cycle CheckpointsMutationSaccharomyces cerevisiaeGamma RaysPhosphorylationDNA Repair EnzymesM Phase Cell Cycle CheckpointsTumor Suppressor ProteinsRad51 Recombinasecdc25 PhosphatasesRadiation, IonizingFungal ProteinsAtaxia TelangiectasiaCDC2 Protein KinaseMolecular Sequence DataDNA Breaks, Double-StrandedCyclinsSpindle ApparatusCyclin BCyclin-Dependent Kinase Inhibitor p21Radiation ToleranceExonucleasesAmino Acid SequenceCell DivisionRecombination, GeneticProtein BindingUltraviolet RaysDNA, FungalChromosomal InstabilityCell LineApoptosisHeLa CellsSignal TransductionBRCA1 ProteinGenomic InstabilityNocodazoleCell Line, TumorDNAIntracellular Signaling Peptides and ProteinsG1 Phase Cell Cycle CheckpointsFibroblastsModels, BiologicalCyclin B1KinetochoresS Phase Cell Cycle CheckpointsNucleic Acid Synthesis InhibitorsHistonesDNA HelicasesCell NucleusRepressor ProteinsCyclin-Dependent Kinase 2MeiosisBase SequenceFlow CytometryCarrier ProteinsRetinoblastoma ProteinGenes, p53Recombinational DNA Repair14-3-3 ProteinsDose-Response Relationship, RadiationCyclin-Dependent KinasesComplement Inactivator ProteinsCell SurvivalMethyl MethanesulfonateTumor Cells, CulturedComplement C3bCaffeineGene DeletionCells, CulturedGenes, FungalCell ProliferationProtein Structure, TertiaryEndonucleasesSequence Homology, Amino AcidRNA, Small InterferingChromosome SegregationEndodeoxyribonucleases