Checkpoint Kinase 2Protein-Serine-Threonine KinasesProtein KinasesCell Cycle ProteinsDNA DamageAtaxia Telangiectasia Mutated ProteinsGenes, cdcCell CycleG2 PhaseMitosisM Phase Cell Cycle CheckpointsPhosphorylationS PhaseCell Cycle CheckpointsProtein Kinase InhibitorsDNA ReplicationMutationPhosphatidylinositol 3-Kinasescdc25 PhosphatasesSaccharomyces cerevisiae ProteinsHydroxyureaDNA-Binding ProteinsMAP Kinase Signaling SystemCDC2 Protein KinaseSpindle ApparatusSchizosaccharomyces pombe ProteinsNuclear ProteinsG2 Phase Cell Cycle CheckpointsSchizosaccharomycesTumor Suppressor ProteinsIntracellular Signaling Peptides and ProteinsCell Line, TumorSignal TransductionSaccharomyces cerevisiaeMolecular Sequence DataS Phase Cell Cycle CheckpointsDNA RepairKinetochoresHeLa CellsTumor Suppressor Protein p53Protein BindingCalcium-Calmodulin-Dependent Protein KinasesRNA, Small InterferingApoptosisProtein-Tyrosine KinasesModels, Biologicalsrc-Family KinasesEnzyme ActivationBase SequenceCell LineRadiation, IonizingCyclin-Dependent KinasesNocodazoleBlotting, WesternAmino Acid SequenceCell DivisionG1 PhaseRNA InterferenceRNA, Messengerp38 Mitogen-Activated Protein KinasesProtein Kinase CCdc20 ProteinsMethyl MethanesulfonateDNA Breaks, Double-StrandedCell SurvivalAurora KinasesUltraviolet RaysHistonesFungal ProteinsGenomic InstabilityTransfectionNeoplasmsAntineoplastic AgentsPeptide Chain Initiation, TranslationalProtein Structure, TertiaryDNA, FungalCyclic AMP-Dependent Protein KinasesMitogen-Activated Protein Kinase 1Early Detection of CancerCyclin BChromosome SegregationBreast NeoplasmsCell NucleusMitogen-Activated Protein Kinase KinasesJNK Mitogen-Activated Protein KinasesCell ProliferationTranscription Factorsp21-Activated KinasesMitogen-Activated Protein Kinase 3Time FactorsGamma RaysTranscription, GeneticColonic NeoplasmsTumor Cells, CulturedDNASerineEnzyme InhibitorsHCT116 CellsImmunoblottingCarrier Proteins