How does the protein p27 regulate cyclin/Cdk complexes? It

Last updated: 7/29/2022

How does the protein p27 regulate cyclin/Cdk complexes? It binds to cyclin/Cdk complexes and inhibits them. It ubiquitinates cyclin/Cdk complexes and targets them for degradation It is a transcription factor that regulates the expression of cyclins. It phosphorylates and activates Cyclin/Cdk.