Casein Kinase 2

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

**Definition:** A serine/threonine kinase that is a tetrameric protein complex comprised of 2 catalytic alpha subunits and 2 regulatory beta subunits. This kinase complex is involved in the modulation of many cellular processes, including cell cycle progression and apoptosis regulation.

**Synonyms:** - CK II - CK2 - CKII - Casein Kinase II - EC 2.7.11.1