Cyclin H

**Definition:** A cyclin subtype that is found as a component of a heterotrimeric complex containing cyclin-dependent kinase 7 and CDK-activating kinase assembly factor. The complex plays a role in cellular proliferation by phosphorylating several CYCLIN DEPENDENT KINASES at specific regulatory threonine sites.

**Tree numbers:** - D12.644.360.262.300 - D12.776.167.218.300 - D12.776.476.262.300