Checkpoint Kinase 2Cell Cycle ProteinsDNA DamageGenes, cdcProtein-Serine-Threonine KinasesMad2 ProteinsProtein KinasesRad52 DNA Repair and Recombination ProteinSaccharomyces cerevisiae ProteinsKinetochoresMitosisSchizosaccharomyces pombe ProteinsM Phase Cell Cycle CheckpointsDNA RepairPhosphorylationSpindle ApparatusDNA-Binding ProteinsCell CycleNuclear ProteinsSchizosaccharomycesSaccharomyces cerevisiaeRad51 RecombinaseCdc20 ProteinsMutationFungal ProteinsAtaxia Telangiectasia Mutated ProteinsG2 PhaseDNA ReplicationMolecular Sequence DataProtein BindingCell Cycle CheckpointsDNA Repair EnzymesIntracellular Signaling Peptides and ProteinsAmino Acid SequenceS PhaseSerineNocodazoleDNA Breaks, Double-StrandedRecombination, GeneticDNA, FungalPhosphoproteinsChromosome SegregationHeLa CellsCell LineCalcium-Binding ProteinsHydroxyureaMetaphaseEnzyme ActivationDNA HelicasesMeiosisTyrosineRecombinational DNA RepairSignal TransductionPrometaphaseCDC2 Protein KinaseUbiquitin-Protein Ligase ComplexesAnaphase-Promoting Complex-CyclosomeAnaphasePhosphoserineProtein-Tyrosine KinasesCarrier ProteinsG2 Phase Cell Cycle CheckpointsRepressor ProteinsThreonineUltraviolet RaysAurora KinasesCells, CulturedOxidative PhosphorylationModels, BiologicalProtein Structure, TertiaryEndonucleasesMethyl MethanesulfonateGenomic InstabilityMicrotubulesCell Line, TumorCyclin BDNATumor Suppressor ProteinsChromosomal Proteins, Non-HistoneBlotting, WesternRNA, Small InterferingG1 PhaseExonucleasesS Phase Cell Cycle CheckpointsHistonesRecombinant Fusion ProteinsEndodeoxyribonucleasesCell NucleusEnzyme InhibitorsRadiation, IonizingSequence Homology, Amino AcidTransfectionApoptosisChromosomal InstabilityImmunoblottingAdaptor Proteins, Signal TransducingProtein Kinase CPrecipitin TestsReplication Protein ACyclin B1