Cyclin-Dependent Kinase Inhibitor 1

**Semantic type:** Amino Acid, Peptide, or Protein

**Definition:** Cyclin-dependent kinase inhibitor 1 (164 aa, ~18 kDa) is encoded by the human CDKN1A gene. This protein is involved in cell cycle arrest.

**Synonyms:** - CDK-Interacting Protein 1 - CDKN1A - CDKN1A Protein - CIP-1 Protein - Cyclin-Dependent Kinase Inhibitor 1A - MDA 6 - MDA-6 - Melanoma Differentiation-Associated Protein 6 - WAF-1 Protein - Waf1p21 - p21 - p21CIP1 - p21Cip1/Waf1