Cell CycleCell Cycle ProteinsCell DivisionGenes, cdcMitosisDNA DamageG2 PhaseCheckpoint Kinase 2Cell Cycle CheckpointsProtein-Serine-Threonine KinasesS PhaseProtein KinasesDNA ReplicationSpindle Apparatuscdc25 PhosphatasesAtaxia Telangiectasia Mutated ProteinsG1 PhaseHydroxyureaMutationSchizosaccharomycesSaccharomyces cerevisiaeCDC2 Protein KinaseDNA RepairDNA-Binding ProteinsNuclear ProteinsSaccharomyces cerevisiae ProteinsFungal ProteinsG2 Phase Cell Cycle CheckpointsM Phase Cell Cycle CheckpointsSchizosaccharomyces pombe ProteinsCyclinsPhosphorylationGenes, FungalTumor Suppressor Protein p53Molecular Sequence DataTumor Suppressor ProteinsGamma RaysCyclin BMad2 ProteinsModels, BiologicalCyclin B1Chromosomal InstabilityCyclin-Dependent KinasesAtaxia TelangiectasiaHeLa CellsRadiation, IonizingApoptosisCyclin-Dependent Kinase Inhibitor p21DNA, FungalUltraviolet RaysBase SequenceCell NucleusSignal TransductionCell LineAmino Acid SequenceCyclin-Dependent Kinase 2Retinoblastoma ProteinCell Line, TumorPhenotypeIntracellular Signaling Peptides and ProteinsFlow CytometryRadiation ToleranceCentrosomeGenomic InstabilityCyclin AG1 Phase Cell Cycle CheckpointsDNAFibroblastsCdc20 ProteinsCell ProliferationHistonesUbiquitin-Protein Ligase ComplexesProtein BindingInterphaseTime FactorsCell Nucleus DivisionAnaphase-Promoting Complex-CyclosomeNocodazoleCaulobacter crescentusChromosome SegregationCells, CulturedGene DeletionCDC2-CDC28 KinasesS Phase Cell Cycle CheckpointsAsymmetric Cell DivisionRepressor ProteinsDNA Breaks, Double-StrandedAllelesChromatinAneuploidyTumor Cells, CulturedChromosomesCarrier ProteinsSequence Homology, Amino AcidRNA, Small InterferingCyclin-Dependent Kinase Inhibitor p27Menstrual CycleCyclin EKinetochoresChromosomal Proteins, Non-Histone