Cyclin A1Cyclin D1Cyclin A2Cyclin Abeta CateninCyclin ECyclin BCyclin B1Cyclin D2Cyclin D3Cyclin DClostridium difficileCyclin G1Cyclin GCyclinsCyclin CCyclin-Dependent KinasesCyclin B2Cyclin TCyclin-Dependent Kinase 2Cyclin G2Cyclin HCell CycleCyclin-Dependent Kinase 4CDC2-CDC28 KinasesCDC2 Protein KinaseG1 PhaseCell Cycle ProteinsCyclin-Dependent Kinase Inhibitor p27S PhaseRetinoblastoma ProteinCyclin IMitosisOncogene ProteinsGenes, bcl-1Protein-Serine-Threonine KinasesCyclin-Dependent Kinase 6PhosphorylationCyclin-Dependent Kinase Inhibitor p21Cell DivisionG2 PhaseCell Proliferation