Checkpoint Kinase 2Cell Cycle ProteinsDNA DamageGenes, cdcM Phase Cell Cycle CheckpointsMitosisProtein-Serine-Threonine KinasesCell CycleSchizosaccharomyces pombe ProteinsKinetochoresMad2 ProteinsSpindle ApparatusG2 PhaseSaccharomyces cerevisiae ProteinsSchizosaccharomycesProtein KinasesDNA RepairDNA-Binding ProteinsNuclear ProteinsS PhaseAtaxia Telangiectasia Mutated ProteinsRad52 DNA Repair and Recombination ProteinCell Cycle CheckpointsHydroxyureaDNA ReplicationSaccharomyces cerevisiaeFungal ProteinsCdc20 ProteinsMutationNocodazoleRad51 RecombinaseChromosome SegregationPhosphorylationDNA, FungalDNA Repair EnzymesDNA Breaks, Double-StrandedMolecular Sequence DataRecombination, GeneticAnaphaseG2 Phase Cell Cycle CheckpointsIntracellular Signaling Peptides and ProteinsMeiosisG1 PhaseHeLa CellsProtein BindingCDC2 Protein KinaseChromosomal InstabilityMetaphaseCalcium-Binding ProteinsCyclin BS Phase Cell Cycle CheckpointsGamma Rayscdc25 PhosphatasesAmino Acid SequenceRadiation, IonizingRepressor ProteinsUltraviolet RaysExonucleasesTumor Suppressor ProteinsTumor Suppressor Protein p53DNA HelicasesUbiquitin-Protein Ligase ComplexesAnaphase-Promoting Complex-CyclosomeSignal TransductionRecombinational DNA RepairPrometaphaseGenomic InstabilityMethyl MethanesulfonateGenes, FungalMicrotubulesDNAAurora KinasesCarrier ProteinsHistonesChromosomesBRCA1 ProteinChromosomal Proteins, Non-HistoneGene Expression Regulation, FungalModels, BiologicalCell LineEndonucleasesChromatinSequence Homology, Amino AcidRNA, Small InterferingCell NucleusBase SequenceCyclin B1Nucleic Acid Synthesis InhibitorsEndodeoxyribonucleasesCell Line, TumorGene DeletionRNA InterferenceRadiation ToleranceReplication Protein ACell DivisionCyclinsProtein Structure, TertiaryAtaxia TelangiectasiaApoptosisSecurin