Cell CycleCell Cycle ProteinsCell DivisionMitosisGenes, cdcDNA DamageG2 PhaseCheckpoint Kinase 2Cell Cycle CheckpointsProtein-Serine-Threonine KinasesSpindle ApparatusS PhaseMutationProtein KinasesDNA Replicationcdc25 PhosphatasesAtaxia Telangiectasia Mutated ProteinsG1 PhaseHydroxyureaSchizosaccharomycesSaccharomyces cerevisiaeCDC2 Protein KinaseDNA RepairDNA-Binding ProteinsNuclear ProteinsSaccharomyces cerevisiae ProteinsFungal ProteinsG2 Phase Cell Cycle CheckpointsSchizosaccharomyces pombe ProteinsM Phase Cell Cycle CheckpointsModels, BiologicalCyclinsPhosphorylationGenes, FungalMolecular Sequence DataTumor Suppressor Protein p53Tumor Suppressor ProteinsCyclin BGamma RaysMad2 ProteinsSignal TransductionPhenotypeCell ProliferationCyclin B1Cyclin-Dependent KinasesChromosomal InstabilityAtaxia TelangiectasiaHeLa CellsApoptosisRadiation, IonizingCyclin-Dependent Kinase Inhibitor p21DNA, FungalBase SequenceCell NucleusUltraviolet RaysTime FactorsCell LineAmino Acid SequenceRetinoblastoma ProteinCyclin-Dependent Kinase 2Cell Line, TumorCell DifferentiationFlow CytometryIntracellular Signaling Peptides and ProteinsCentrosomeRadiation ToleranceDNAGenomic InstabilityFibroblastsCyclin ACell PolarityG1 Phase Cell Cycle CheckpointsCdc20 ProteinsInterphaseStem CellsHistonesProtein BindingCell Nucleus DivisionUbiquitin-Protein Ligase ComplexesCells, CulturedAnaphase-Promoting Complex-CyclosomeCaulobacter crescentusChromosome SegregationNocodazoleAsymmetric Cell DivisionGene DeletionCDC2-CDC28 KinasesS Phase Cell Cycle CheckpointsRepressor ProteinsCell LineageDrosophilaAllelesChromatinDNA Breaks, Double-StrandedChromosomesAneuploidyTumor Cells, CulturedCarrier ProteinsSequence Homology, Amino AcidCyclin-Dependent Kinase Inhibitor p27