Checkpoint Kinase 2Cell Cycle ProteinsDNA DamageGenes, cdcSaccharomyces cerevisiae ProteinsMad2 ProteinsRad52 DNA Repair and Recombination ProteinProtein-Serine-Threonine KinasesSchizosaccharomyces pombe ProteinsKinetochoresDNA RepairMitosisM Phase Cell Cycle CheckpointsSpindle ApparatusDNA-Binding ProteinsSaccharomyces cerevisiaeMolecular Sequence DataSchizosaccharomycesNuclear ProteinsProtein KinasesCell CycleAmino Acid SequenceFungal ProteinsRad51 RecombinaseCdc20 ProteinsDNA Repair EnzymesSequence Homology, Amino AcidMutationDNA ReplicationG2 PhaseAtaxia Telangiectasia Mutated ProteinsCell Cycle CheckpointsRecombination, GeneticDNA, FungalS PhaseProtein BindingDNA Breaks, Double-StrandedNocodazoleChromosome SegregationPhosphorylationIntracellular Signaling Peptides and ProteinsHeLa CellsDNA HelicasesBase SequenceCalcium-Binding ProteinsHydroxyureaMetaphaseMeiosisCloning, MolecularRecombinational DNA RepairPrometaphaseRepressor ProteinsSequence AlignmentUbiquitin-Protein Ligase ComplexesCarrier ProteinsAnaphase-Promoting Complex-CyclosomeAnaphaseEndonucleasesChromosomal Proteins, Non-HistoneExonucleasesDNAG2 Phase Cell Cycle CheckpointsUltraviolet RaysMethyl MethanesulfonateGenomic InstabilityTwo-Hybrid System TechniquesEndodeoxyribonucleasesCell LineDrosophila ProteinsDNA, ComplementaryProtein Structure, TertiaryGenes, FungalTumor Suppressor ProteinsSignal TransductionS Phase Cell Cycle CheckpointsAurora KinasesCDC2 Protein KinaseMicrotubulesCyclin BRecombinant Fusion ProteinsChromosomal InstabilityG1 PhaseXenopus ProteinsGamma RaysReplication Protein AConserved SequenceDNA, Single-StrandedTranscription FactorsRadiation, IonizingModels, BiologicalHistonesTumor Suppressor Protein p53Gene DeletionCyclin B1RNA, Small InterferingCell NucleusPhosphoproteinsRNA InterferenceMicrotubule-Associated ProteinsChromosomes