CATH Classification

Domain Context

CATH Clusters

Superfamily 2.40.50.930
Functional Family Serine/threonine-protein kinase PLK4

Enzyme Information

2.7.11.21
Polo kinase.
based on mapping to UniProt Q64702
ATP + a protein = ADP + a phosphoprotein.
-!- The enzyme associates with the spindle pole during mitosis and is thought to play an important role in the dynamic function of the mitotic spindle during chromosome segregation. -!- The human form of the enzyme, Plk1, does not phosphorylate histone H1, enolase and phosvitin but it can phosphorylate myelin basic protein and microtubule-associated protein MAP-2, although to a lesser extent than casein. -!- Formerly EC 2.7.1.37.

UniProtKB Entries (1)

Q64702
PLK4_MOUSE
Mus musculus
Serine/threonine-protein kinase PLK4

PDB Structure

PDB 1MBY
External Links
Method X-RAY DIFFRACTION
Organism Escherichia
Primary Citation
The Sak polo-box comprises a structural domain sufficient for mitotic subcellular localization.
Leung, G.C., Hudson, J.W., Kozarova, A., Davidson, A., Dennis, J.W., Sicheri, F.
Nat.Struct.Biol.
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