Cell CycleCell Cycle ProteinsMammalsCell LineCell Cycle CheckpointsMolecular Sequence DataG1 PhaseMitosisAmino Acid SequenceS PhaseHeLa CellsBase SequenceCell DivisionCyclinsCricetinaeTransfectionMutationG2 PhaseApoptosisDNA-Binding ProteinsCells, CulturedDNAPhosphorylationDNA DamageCell ProliferationProtein-Serine-Threonine KinasesNuclear ProteinsSignal TransductionMenstrual CycleCell NucleusTranscription FactorsCell Line, TumorProtein BindingRNA, MessengerDNA ReplicationRetinoblastoma ProteinCyclin-Dependent Kinase Inhibitor p21Cyclin-Dependent Kinase Inhibitor p27Gene Expression RegulationTranscription, GeneticSaccharomyces cerevisiaeModels, BiologicalCloning, MolecularSequence Homology, Amino AcidRecombinant Fusion ProteinsCDC2 Protein KinaseG2 Phase Cell Cycle CheckpointsCHO CellsTumor Suppressor Protein p53Cyclin-Dependent Kinase 2InterphaseTumor Cells, CulturedTime FactorsCarrier ProteinsG0 PhaseCell SurvivalFlow CytometryKineticsRecombinant ProteinsFibroblastsSaccharomyces cerevisiae ProteinsBlotting, WesternCricetulusCyclin ETumor Suppressor ProteinsDNA RepairG1 Phase Cell Cycle CheckpointsProtein KinasesGene ExpressionCyclin D1Cyclin ACOS CellsRNA InterferencePlasmidsGenes, cdcCyclin BRNA, Small InterferingMicroscopy, FluorescenceEmbryo, MammalianProtein Structure, TertiaryProteinsCyclin-Dependent Kinase 4Cercopithecus aethiopsCDC2-CDC28 KinasesPromoter Regions, GeneticDNA, ComplementaryFungal ProteinsE2F Transcription FactorsGreen Fluorescent Proteins3T3 CellsBinding SitesGenetic Vectorscdc25 PhosphatasesHistonesDNA PrimersCyclin B1CytoplasmBromodeoxyuridineSequence AlignmentMembrane Proteins