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Cycling of O-linked β-N-acetylglucosamine on nucleocytoplasmic proteins

Cycling of O-linked β-N-acetylglucosamine on nucleocytoplasmic proteins All animals and plants dynamically attach and remove O-linked β-N-acetylglucosamine (O-GlcNAc) at serine and threonine residues on myriad nuclear and cytoplasmic proteins. O-GlcNAc cycling, which is tightly regulated by the concerted actions of two highly conserved enzymes, serves as a nutrient and stress sensor. On some proteins, O-GlcNAc competes directly with phosphate for serine/threonine residues. Glycosylation with O-GlcNAc modulates signalling, and influences protein expression, degradation and trafficking. Emerging data indicate that O-GlcNAc glycosylation has a role in the aetiology of diabetes and neurodegeneration. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Nature Springer Journals

Cycling of O-linked β-N-acetylglucosamine on nucleocytoplasmic proteins

Nature , Volume 446 (7139) – Apr 25, 2007

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References (79)

Publisher
Springer Journals
Copyright
Copyright © 2007 by Nature Publishing Group
Subject
Science, Humanities and Social Sciences, multidisciplinary; Science, Humanities and Social Sciences, multidisciplinary; Science, multidisciplinary
ISSN
0028-0836
eISSN
1476-4687
DOI
10.1038/nature05815
Publisher site
See Article on Publisher Site

Abstract

All animals and plants dynamically attach and remove O-linked β-N-acetylglucosamine (O-GlcNAc) at serine and threonine residues on myriad nuclear and cytoplasmic proteins. O-GlcNAc cycling, which is tightly regulated by the concerted actions of two highly conserved enzymes, serves as a nutrient and stress sensor. On some proteins, O-GlcNAc competes directly with phosphate for serine/threonine residues. Glycosylation with O-GlcNAc modulates signalling, and influences protein expression, degradation and trafficking. Emerging data indicate that O-GlcNAc glycosylation has a role in the aetiology of diabetes and neurodegeneration.

Journal

NatureSpringer Journals

Published: Apr 25, 2007

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