Checkpoint Kinase 2Protein KinasesProtein-Serine-Threonine KinasesDNA DamageCell Cycle ProteinsG2 PhaseAtaxia Telangiectasia Mutated Proteinscdc25 PhosphatasesPhosphorylationS PhaseCell CycleDNA ReplicationTumor Suppressor ProteinsGenes, cdcDNA-Binding ProteinsMitosisM Phase Cell Cycle CheckpointsSchizosaccharomyces pombe ProteinsSchizosaccharomycesCell Cycle CheckpointsCell LineProtein Kinase InhibitorsHydroxyureaNuclear ProteinsPhosphatidylinositol 3-KinasesMutationCDC2 Protein KinaseSaccharomyces cerevisiae ProteinsSpindle ApparatusG2 Phase Cell Cycle CheckpointsDNA RepairMAP Kinase Signaling SystemSignal TransductionTumor Suppressor Protein p53S Phase Cell Cycle CheckpointsCell Line, TumorHeLa CellsIntracellular Signaling Peptides and ProteinsEnzyme ActivationKinetochoresSaccharomyces cerevisiaeUltraviolet RaysProtein BindingRadiation, IonizingCalcium-Calmodulin-Dependent Protein KinasesProtein-Tyrosine KinasesMolecular Sequence DataSerinesrc-Family KinasesNocodazoleCyclin-Dependent KinasesAmino Acid SequenceApoptosisRNA, Small InterferingMethyl MethanesulfonateDNA Breaks, Double-StrandedCdc20 ProteinsG1 Phasep38 Mitogen-Activated Protein KinasesProtein Kinase CModels, BiologicalAurora KinasesHistonesCyclin BFungal ProteinsGenomic InstabilityCyclic AMP-Dependent Protein KinasesDNA, FungalChromosome SegregationMitogen-Activated Protein Kinase 1RNA InterferenceStaurosporineProtein Structure, TertiaryBlotting, WesternGamma RaysMitogen-Activated Protein Kinase KinasesCell DivisionJNK Mitogen-Activated Protein Kinasesp21-Activated KinasesReplication Protein AMitogen-Activated Protein Kinase 3Cell SurvivalTransfectionCell NucleusMAP Kinase Kinase KinasesHCT116 CellsCreatine KinaseImmunoblottingCasein Kinase IIPhosphoserineChromosomal Proteins, Non-HistoneMeiosisEnzyme InhibitorsCDC2-CDC28 KinasesMAP Kinase Kinase 1Nucleic Acid Synthesis InhibitorsRecombinant Fusion ProteinsGene Expression Regulation, FungalDNA-Activated Protein KinaseThiophenes