Cell Cycle ProteinsCell CycleCheckpoint Kinase 2DNA DamageGenes, cdcCell Cycle CheckpointsG2 PhaseProtein-Serine-Threonine KinasesMitosisAtaxia Telangiectasia Mutated ProteinsS PhaseProtein KinasesSpindle ApparatusMad2 ProteinsDNA RepairM Phase Cell Cycle CheckpointsG2 Phase Cell Cycle CheckpointsG1 PhaseKinetochoresNuclear ProteinsTumor Suppressor Protein p53DNA-Binding ProteinsTumor Suppressor ProteinsDNA ReplicationHydroxyureaPhosphorylationSchizosaccharomyces pombe ProteinsSaccharomyces cerevisiae ProteinsRadiation, IonizingGamma RaysNocodazoleSchizosaccharomycesCdc20 ProteinsCyclin BAtaxia TelangiectasiaCDC2 Protein Kinasecdc25 PhosphatasesCyclin-Dependent Kinase Inhibitor p21Genomic InstabilityCyclinsMutationHeLa CellsSaccharomyces cerevisiaeCell DivisionApoptosisCyclin B1Radiation ToleranceMetaphaseUltraviolet RaysFungal ProteinsDNA Breaks, Double-StrandedChromosomal InstabilitySignal TransductionG1 Phase Cell Cycle CheckpointsChromosome SegregationCell Line, TumorCell LineIntracellular Signaling Peptides and ProteinsMolecular Sequence DataBRCA1 ProteinS Phase Cell Cycle CheckpointsModels, BiologicalHistonesProtein BindingFibroblastsMethyl MethanesulfonateRetinoblastoma ProteinRepressor ProteinsUbiquitin-Protein Ligase ComplexesFlow CytometryAnaphase-Promoting Complex-CyclosomeChromosomal Proteins, Non-HistoneCalcium-Binding ProteinsCell NucleusAmino Acid SequenceRNA, Small InterferingDNACarrier ProteinsPrometaphaseCyclin-Dependent Kinase 2MicrotubulesAnaphaseTumor Cells, CulturedCell ProliferationDNA, FungalCell SurvivalCentrosomeGenes, p53Cyclin ECells, CulturedMimosineChromatinHCT116 CellsDNA Repair EnzymesChromosomesRNA InterferenceReplication Protein AAurora KinasesCDC2-CDC28 KinasesTelomere