Cyclin D1Proliferating Cell Nuclear AntigenCyclin D2Cyclin D3Cell CycleCyclin ACyclin DCyclin ECyclin BCyclin B1Cyclin A1CyclinsCyclin A2Cyclin-Dependent Kinase 4Cyclin-Dependent KinasesCyclin G1Cyclin GCyclin-Dependent Kinase 2G1 PhaseGenes, bcl-1Cyclin CRetinoblastoma ProteinCDC2-CDC28 KinasesCyclin B2Cyclin TOncogene ProteinsCyclin HCell Cycle ProteinsS PhaseCyclin G2CDC2 Protein KinaseCell ProliferationCyclin-Dependent Kinase Inhibitor p21PhosphorylationCell Division