Gene Ontology (GO)
OWL
Last submission date July 26, 2025
ID http://purl.obolibrary.org/obo/GO_0016266
http://purl.obolibrary.org/obo/GO_0016266
https://agroportal.lirmm.fr/ontologies/GO/GO_0016266
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Preferred name

protein O-linked glycosylation via N-acetyl-galactosamine

Synonyms
O-glycan processing core O-glycan biosynthetic process mucin-type O-glycan synthesis protein O-linked GalNAcylation
Definitions
A glycoprotein biosynthetic process starting with the covalent linkage of an N-acetyl-galactosamine via an alpha-glycosidic bond to the oxygen atom of a serine or threonine side chain in a protein, which can be further elongated with the sequential addition of sugar units resulting in the formation of a protein O-linked glycan.
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