Cell CycleCell DivisionCell Cycle ProteinsMitosisAsymmetric Cell DivisionCell Cycle CheckpointsG1 PhaseS PhaseMutationCyclinsMolecular Sequence DataSpindle ApparatusDNA ReplicationCell ProliferationG2 PhaseCytokinesisModels, BiologicalCDC2 Protein KinaseApoptosisProtein-Serine-Threonine KinasesInterphaseCell DifferentiationAmino Acid SequenceMenstrual CycleCell NucleusRetinoblastoma ProteinSignal TransductionBacterial ProteinsCyclin-Dependent Kinase Inhibitor p27Cyclin-Dependent Kinase Inhibitor p21Time FactorsPhosphorylationDNA-Binding ProteinsNuclear ProteinsCell LineCentrosomeSaccharomyces cerevisiaeGenes, cdcCaulobacter crescentusTranscription FactorsCells, CulturedCell Nucleus DivisionCell PolarityG2 Phase Cell Cycle CheckpointsSchizosaccharomycesBase SequenceG0 PhaseCyclin BCell Line, TumorFlow CytometryMicrotubulesCytoskeletal ProteinsChromosome SegregationEscherichia colicdc25 PhosphatasesDNA DamageCyclin-Dependent Kinase 2PhenotypeHeLa CellsTumor Suppressor Protein p53DNACyclin ABromodeoxyuridineMicroscopy, FluorescenceSaccharomyces cerevisiae ProteinsG1 Phase Cell Cycle CheckpointsMeiosisCyclin EMicrotubule-Associated ProteinsRNA, MessengerCyclin D1Transcription, GeneticEmbryo, NonmammalianGene Expression Regulation, DevelopmentalProtein BindingDrosophila ProteinsArabidopsisGene Expression RegulationTumor Suppressor ProteinsFungal ProteinsStem CellsProtein KinasesCyclin-Dependent Kinase 4MeristemRecombinant Fusion ProteinsCell SurvivalSchizosaccharomyces pombe ProteinsArabidopsis ProteinsCyclin B1Green Fluorescent ProteinsCaulobacterSequence Homology, Amino AcidCDC2-CDC28 KinasesCaenorhabditis elegansThymidineCarrier ProteinsTumor Cells, CulturedE2F Transcription FactorsRNA InterferenceTubulin