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Biological functions of nuclear proteins are regulated by post-translational modifications (PTMs) that modulate gene expression and cellular physiology. However, the role of O-linked glycosylation (O-GalNAc) as a PTM of nuclear proteins in the human cell has not been previously reported. Here, we ex...
ORGANISM(S): Homo sapiens (Human) 
2019-04-17 | PXD013484 | Pride
A large family of GalNAc transferases (GalNAc-Ts) catalyzes the covalent attachment of N-Acetylgalactosamine (GalNAc) to serine and threonine residues on proteins that pass through the secretory pathway in the first committed step of mucin-type O-glycosylation. Abnormalities in the activity of indi...
ORGANISM(S): Mus musculus (Mouse) 
2024-05-24 | PXD040196 | Pride
GalNAc-transferase (GalNAc-T) isoforms modify distinct subsets of the O-glycoproteome and GalNAc-type O-glycosylation is found on most proteins trafficking through the secretory pathway in metazoan cells. The O-glycoproteome is regulated by up to 20 polypeptide GalNAc-Ts and the contributions and bi...
ORGANISM(S): Homo sapiens 
Deconstruction of O-glycosylation – Polypeptide GalNAc-T Isoforms Direct Distinct Subsets of the O-Glycoproteome
The polypeptide:N-acetylgalactosaminyltransferase (GalNAc-T) family of enzymes initiates O-linked glycosylation by catalyzing the addition of the first GalNAc sugar to serine or threonine on proteins destined to be membrane-bound or secreted. Defects in individual isoforms of the GalNAc-T family can...
ORGANISM(S): Mus musculus (Mouse) 
2025-05-06 | PXD047517 | Pride
The GalNAc-type O-glycoproteome is orchestrated by a large family of polypeptide GalNAc-transferase isoenzymes (GalNAc-Ts) with partially overlapping contributions to the O-glycoproteome as well as distinct non-redundant functions. Increasing evidence indicate that individual GalNAc-Ts co-regulate a...
ORGANISM(S): Homo sapiens (Human) 
2018-10-16 | PXD010155 | Pride
Most proteins trafficking the secretory pathway of metazoan cells will acquire GalNAc-type O-glycosylation. GalNAc-type O-glycosylation is differentially regulated in cells by the expression of a repertoire of up to twenty genes encoding polypeptide GalNAc-transferase isoforms (GalNAc-Ts) that initi...
ORGANISM(S): Homo sapiens (Human) 
2019-06-24 | PXD009955 | Pride
The UDP-N-acetylgalactosamine polypeptide:N-acetylgalactosaminyltransferase (GalNAc-T) family of enzymes initiates O-linked glycosylation by catalyzing the addition of the first GalNAc sugar to serine or threonine on proteins destined to be membrane-bound or secreted. Defects in individual isoforms ...
ORGANISM(S): Mus musculus (Mouse) 
2025-05-07 | PXD053014 | Pride
The UDP-N-acetylgalactosamine polypeptide:N-acetylgalactosaminyltransferase (GalNAc-T) family of enzymes initiates O-linked glycosylation by catalyzing the addition of the first GalNAc sugar to serine or threonine on proteins destined to be membrane-bound or secreted. Defects in individual isoforms ...
ORGANISM(S): Mus musculus (Mouse) 
2025-05-07 | PXD052978 | Pride
GalNAc-transferase (GalNAc-T) isoforms modify distinct subsets of the O-glycoproteome and GalNAc-type O-glycosylation is found on most proteins trafficking through the secretory pathway in metazoan cells. The O-glycoproteome is regulated by up to 20 polypeptide GalNAc-Ts and the contributions and bi...
ORGANISM(S): Homo sapiens (Human) 
2015-08-21 | PXD002770 | Pride
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