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CATH Classification

Domain Context

CATH Clusters

Superfamily 2.60.40.680
Functional Family

Enzyme Information

3.2.1.169
Protein O-GlcNAcase.
based on mapping to UniProt Q0TR53
(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)

Q0TR53
OGA_CLOP1
Clostridium perfringens ATCC 13124
O-GlcNAcase NagJ

PDB Structure

PDB 2O4E
External Links
Method SOLUTION NMR
Organism Escherichia
Primary Citation
Three-dimensional structure of a putative non-cellulosomal cohesin module from a Clostridium perfringens family 84 glycoside hydrolase.
Chitayat, S., Gregg, K., Adams, J.J., Ficko-Blean, E., Bayer, E.A., Boraston, A.B., Smith, S.P.
J.Mol.Biol.
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