CATH Classification

Domain Context

CATH Clusters

Superfamily Glycosidases
Functional Family O-GlcNAcase BT_4395

Enzyme Information

3.2.1.169
Protein O-GlcNAcase.
based on mapping to UniProt O60502
(1) [Protein]-3-O-(N-acetyl-beta-D-glucosaminyl)-L-serine + H(2)O = [protein]-L-serine + N-acetyl-D-glucosamine. (2) [Protein]-3-O-(N-acetyl-beta-D-glucosaminyl)-L-threonine + H(2)O = [protein]-L-threonine + N-acetyl-D-glucosamine.
-!- Within higher eukaryotes post-translational modification of protein serines/threonines with N-acetylglucosamine (O-GlcNAc) is dynamic, inducible and abundant, regulating many cellular processes by interfering with protein phosphorylation. -!- EC 2.4.1.155 transfers GlcNAc onto substrate proteins and EC 3.2.1.169 cleaves GlcNAc from the modified proteins.

UniProtKB Entries (1)

O60502
OGA_HUMAN
Homo sapiens
Protein O-GlcNAcase

PDB Structure

PDB 5UHO
External Links
Method X-RAY DIFFRACTION
Organism
Primary Citation
Crystal structure of the core catalytic domain of human O-GlcNAcase and molecular basis of activity and inhibition
Elsen, N.L., Patel, S.B., Ford, R.E., Hall, D.L., Hess, F., Kandula, H., Kornienko, M., Lumb, K.J., Reid, J., Selnick, H., Shipman, J.M., Sharma, S., Soisson, S.M., Klein, D.J.
To Be Published
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