Cell CycleCell Cycle ProteinsCell DivisionGenes, cdcMitosisDNA DamageG2 PhaseCheckpoint Kinase 2Protein-Serine-Threonine KinasesCell Cycle CheckpointsS PhaseProtein KinasesDNA ReplicationSpindle Apparatuscdc25 PhosphatasesAtaxia Telangiectasia Mutated ProteinsG1 PhaseMutationHydroxyureaSchizosaccharomycesSaccharomyces cerevisiaeDNA RepairCDC2 Protein KinaseDNA-Binding ProteinsNuclear ProteinsSaccharomyces cerevisiae ProteinsFungal ProteinsG2 Phase Cell Cycle CheckpointsM Phase Cell Cycle CheckpointsSchizosaccharomyces pombe ProteinsCyclinsPhosphorylationMolecular Sequence DataGenes, FungalTumor Suppressor Protein p53Tumor Suppressor ProteinsGamma RaysCyclin BMad2 ProteinsModels, BiologicalCyclin B1Chromosomal InstabilityCyclin-Dependent KinasesApoptosisAtaxia TelangiectasiaHeLa CellsBase SequenceRadiation, IonizingCyclin-Dependent Kinase Inhibitor p21Ultraviolet RaysDNA, FungalCell NucleusSignal TransductionCell LineAmino Acid SequenceCell Line, TumorPhenotypeCyclin-Dependent Kinase 2Retinoblastoma ProteinIntracellular Signaling Peptides and ProteinsFlow CytometryRadiation ToleranceGenomic InstabilityDNACentrosomeFibroblastsCell ProliferationCyclin ATime FactorsG1 Phase Cell Cycle CheckpointsCdc20 ProteinsProtein BindingHistonesInterphaseUbiquitin-Protein Ligase ComplexesCells, CulturedCell Nucleus DivisionAnaphase-Promoting Complex-CyclosomeNocodazoleGene DeletionCaulobacter crescentusChromosome SegregationCDC2-CDC28 KinasesS Phase Cell Cycle CheckpointsRepressor ProteinsAllelesAsymmetric Cell DivisionChromatinTumor Cells, CulturedDNA Breaks, Double-StrandedAneuploidyCarrier ProteinsChromosomesSequence Homology, Amino AcidGene Expression RegulationRNA, Small InterferingTranscription, GeneticCyclin-Dependent Kinase Inhibitor p27Menstrual CycleTranscription Factors