| Sub-class of | CMGC |
| Notes | Cell Kinase 2, formerly known as Casein Kinase 2. Previously classified as member of the Other family |
| Alignment | Protein       Domain |
| Phylogenetic Tree | Protein       Domain |
| Hmmlogo | Protein       Domain |
| Hmm File | Protein       Domain |
|
| Phylogenetic Distribution |
 | | CK2 is found in all Eukaryotes. |
|