Cyclin-Dependent Kinase Inhibitor

**Semantic type:** Chemical Viewed Functionally

**Definition:** Any substance that inhibits cyclin-dependent kinase (CDK), an enzyme that catalyzes the addition of a phosphate group to a protein in the cell cycle regulation pathway. Inhibition of cyclin-dependent kinase results in cell cycle arrest and apoptosis.

**Synonyms:** - CDK Inhibitor - CDKI