Cell CycleCell Cycle ProteinsGenes, cdcCheckpoint Kinase 2DNA DamageG2 PhaseProtein-Serine-Threonine KinasesCell Cycle CheckpointsMitosisProtein KinasesAtaxia Telangiectasia Mutated ProteinsS PhaseDNA RepairPhosphorylationSpindle ApparatusHydroxyureaG2 Phase Cell Cycle CheckpointsM Phase Cell Cycle CheckpointsDNA-Binding ProteinsNuclear ProteinsG1 PhaseTumor Suppressor Protein p53DNA ReplicationGamma RaysSaccharomyces cerevisiae ProteinsSchizosaccharomycesTumor Suppressor ProteinsMad2 ProteinsMutationSchizosaccharomyces pombe ProteinsFungal ProteinsSaccharomyces cerevisiaecdc25 PhosphatasesAtaxia TelangiectasiaCDC2 Protein KinaseRadiation, IonizingChromosomal InstabilityCyclinsUltraviolet RaysCyclin-Dependent Kinase Inhibitor p21Cyclin BMolecular Sequence DataIntracellular Signaling Peptides and ProteinsGenes, FungalCell DivisionApoptosisRadiation ToleranceCell LineSignal TransductionHeLa CellsGenomic InstabilityG1 Phase Cell Cycle CheckpointsCyclin B1Cell Line, TumorDNA, FungalNocodazoleS Phase Cell Cycle CheckpointsFibroblastsDNA Breaks, Double-StrandedRetinoblastoma ProteinAmino Acid SequenceModels, BiologicalBase SequenceGene DeletionRepressor ProteinsCyclin-Dependent Kinase 2Protein BindingAneuploidyCDC28 Protein Kinase, S cerevisiaeHistonesCell NucleusBRCA1 ProteinFlow CytometrySerineKinetochoresChromosomes, FungalTumor Cells, CulturedCyclin-Dependent KinasesCell ProliferationDNAGenes, p53Enzyme ActivationCells, CulturedPhenotypeNeoplasm ProteinsRNA, Small InterferingCyclin ECell SurvivalCDC2-CDC28 Kinases14-3-3 ProteinsMimosineMethyl MethanesulfonateDNA Repair EnzymesCalcium-Binding ProteinsGene Expression Regulation, NeoplasticTransfectionCyclin ACentrosomeCarrier ProteinsCaffeine