Multiple choice

Which among the following is a negative regulator of cell proliferation?

  1. p21

  2. p27

  3. p57

  4. p53

  5. p73

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Cyclin-dependent kinase inhibitor 1C (p57) is a tight-binding inhibitor of several G1 cyclin/Cdk complexes and a negative regulator of cell proliferation.