Cell CycleCell Cycle ProteinsCell Cycle CheckpointsG1 PhaseMitosisS PhaseCell DivisionCyclinsMolecular Sequence DataMenstrual CycleG2 PhaseCell LineAmino Acid SequenceApoptosisCyclin-Dependent Kinase Inhibitor p21Cyclin-Dependent Kinase Inhibitor p27Retinoblastoma ProteinPhosphorylationCell ProliferationG2 Phase Cell Cycle CheckpointsBase SequenceInterphaseCDC2 Protein KinaseCells, CulturedG0 PhaseMutationCell Line, TumorTumor Suppressor Protein p53G1 Phase Cell Cycle CheckpointsKineticsProtein-Serine-Threonine KinasesCyclin-Dependent Kinase 2Nuclear ProteinsDNA-Binding ProteinsDNA ReplicationSaccharomyces cerevisiaeCyclin D1Signal TransductionCell NucleusRNA, MessengerCyclin EHeLa CellsModels, BiologicalMicrotubulesDNA DamageGenes, cdcFluorescent Antibody TechniqueTumor Cells, CulturedProtein BindingDNACyclin ACyclin BFlow CytometryTime FactorsCyclin-Dependent Kinase 4Transcription, GeneticSaccharomyces cerevisiae ProteinsFungal ProteinsTumor Suppressor ProteinsCell DifferentiationTranscription FactorsGene Expression RegulationCDC2-CDC28 KinasesMicroscopy, ElectronFibroblastsMicrotubule-Associated ProteinsBlotting, WesternEstrous Cyclecdc25 PhosphatasesTransfectionCarrier ProteinsE2F Transcription FactorsProtein KinasesMembrane ProteinsCloning, MolecularCyclin B1Recombinant Fusion ProteinsTubulinNocodazoleCyclin DCitric Acid CycleMicroscopy, FluorescenceCell SurvivalBromodeoxyuridineBinding SitesActinsE2F1 Transcription FactorSequence Homology, Amino AcidMolecular WeightCytoplasmS Phase Cell Cycle CheckpointsCell CompartmentationGene ExpressionProteinsCell MembraneSpindle Apparatus3T3 CellsProto-Oncogene ProteinsDown-RegulationCytoskeleton