Journal
MOLECULES
Volume 23, Issue 8, Pages -Publisher
MDPI
DOI: 10.3390/molecules23081967
Keywords
post-translational modifications; O-GlcNAcylation; OGT; OGA
Funding
- National Natural Science Foundation of China [31571316, 31771421]
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As one of the post-translational modifications, O-linked beta-N-acetylglucosamine (O-GlcNAc) modification (O-GlcNAcylation) often occurs on serine (Ser) and threonine (Thr) residues of specific substrate cellular proteins via the addition of O-GlcNAc group by O-GlcNAc transferase (OGT). Maintenance of normal intracellular levels of O-GlcNAcylation is controlled by OGT and glycoside hydrolase O-GlcNAcase (OGA). Unbalanced O-GlcNAcylation levels have been involved in many diseases, including diabetes, cancer, and neurodegenerative disease. Recent research data reveal that O-GlcNAcylation at histones or non-histone proteins may provide recognition platforms for subsequent protein recruitment and further initiate intracellular biological processes. Here, we review the current understanding of the 'O-GlcNAc code' mediated intracellular biological functions of downstream proteins.
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