CATH Classification

Domain Context

CATH Clusters

Superfamily Transferase(Phosphotransferase) domain 1
Functional Family Protein O-mannose kinase

Enzyme Information

2.7.1.183
Glycoprotein-mannosyl O(6)-kinase.
based on mapping to UniProt Q3TUA9
ATP + O(3)-(N-acetyl-beta-D-galactosaminyl-(1->3)-N-acetyl-beta-D- glucosaminyl-(1->4)-alpha-D-mannosyl)-L-threonyl/L-seryl-[protein] = ADP + O(3)-(N-acetyl-beta-D-galactosaminyl-(1->3)-N-acetyl-beta-D- glucosaminyl-(1->4)-alpha-D-(6-phospho)mannosyl)-L-threonyl/L-seryl- [protein].
-!- In humans this phosphorylated trisaccharide is attached to an L-threonine residue of alpha-dystroglycan, an extracellular peripheral glycoprotein that acts as a receptor for extracellular matrix proteins containing laminin-G domains, and is important for its activity.

UniProtKB Entries (1)

Q3TUA9
SG196_MOUSE
Mus musculus
Protein O-mannose kinase

PDB Structure

PDB 5GZ8
External Links
Method X-RAY DIFFRACTION
Organism
Primary Citation
3D structural analysis of protein O-mannosyl kinase, POMK, a causative gene product of dystroglycanopathy.
Nagae, M., Mishra, S.K., Neyazaki, M., Oi, R., Ikeda, A., Matsugaki, N., Akashi, S., Manya, H., Mizuno, M., Yagi, H., Kato, K., Senda, T., Endo, T., Nogi, T., Yamaguchi, Y.
Genes Cells
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