Checkpoint Kinase 2Cell CycleCell Cycle ProteinsProtein-Serine-Threonine KinasesProtein KinasesDNA DamageGenes, cdcCell Cycle CheckpointsMitosisM Phase Cell Cycle CheckpointsG2 PhaseAtaxia Telangiectasia Mutated ProteinsS PhasePhosphorylationMammalsG2 Phase Cell Cycle CheckpointsSpindle ApparatusDNA ReplicationHydroxyureacdc25 PhosphatasesSaccharomyces cerevisiae ProteinsCDC2 Protein KinaseSchizosaccharomyces pombe ProteinsSchizosaccharomycesS Phase Cell Cycle CheckpointsNuclear ProteinsKinetochoresDNA-Binding ProteinsG1 PhaseMutationSaccharomyces cerevisiaeProtein Kinase InhibitorsTumor Suppressor ProteinsDNA RepairNocodazoleSignal TransductionIntracellular Signaling Peptides and ProteinsPhosphatidylinositol 3-KinasesTumor Suppressor Protein p53Cell Line, TumorHeLa CellsApoptosisCyclin BCell DivisionMAP Kinase Signaling SystemCdc20 ProteinsMolecular Sequence DataRadiation, IonizingCell LineFungal ProteinsModels, BiologicalChromosome SegregationProtein BindingAmino Acid SequenceAurora KinasesRNA, Small InterferingCyclinsDNA Breaks, Double-StrandedCyclin-Dependent Kinase Inhibitor p21Methyl MethanesulfonateHistonesUltraviolet RaysGenomic InstabilityProtein-Tyrosine KinasesDNA, FungalEnzyme ActivationCyclin-Dependent KinasesGamma RaysCell ProliferationCell NucleusCalcium-Calmodulin-Dependent Protein KinasesRNA InterferenceAnaphaseBlotting, WesternCell SurvivalCyclin-Dependent Kinase 2Cyclin B1MeiosisProtein Structure, TertiaryCDC2-CDC28 KinasesDNAChromosomal Proteins, Non-HistoneUbiquitin-Protein Ligase ComplexesFlow CytometryBase SequenceAnaphase-Promoting Complex-Cyclosomesrc-Family KinasesMetaphaseG1 Phase Cell Cycle CheckpointsTransfectionTime FactorsCarrier ProteinsFibroblastsGene Expression Regulation, FungalTumor Cells, CulturedTranscription Factorsp38 Mitogen-Activated Protein KinasesCells, CulturedReplication Protein AProtein Kinase C