Cyclin-Dependent Kinase Inhibitor p21

CDK2-Associated Protein 20 kDa; CDKN1 Protein; CDKN1A Protein; Cdk-Interacting Protein 1; Cdk2 Inhibitor Protein; Cell Cycle Regulator p21; Cyclin Kinase Inhibitor p21; Cyclin-Dependent Kinase Inhibitor 1A Protein
A cyclin-dependent kinase inhibitor that mediates TUMOR SUPRESSOR PROTEIN P53-dependent CELL CYCLE arrest. p21 interacts with a range of CYCLIN-DEPENDENT KINASES and associates with PROLIFERATING CELL NUCLEAR ANTIGEN and CASPASE 3.