Expression of Cyclin D1 activates CDK4 that phosphorylates the RB (retinoblastoma tumor suppressor) protein. This protein regulates the transition from G1-to-S phase of cell cycle
Expression of Cyclin D1 activates CDK4 that phosphorylatesthe RB (retinoblastoma tumor suppressor) protein. This proteinregulates the transition from G1-to-S phase of cell cycle