Polypeptide N-acetylgalactosaminyltransferase 4
UniProtKB accession: Q8N4A0
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Go to UniProtKB: Q8N4A0
UniProtKB description: Catalyzes the initial reaction in O-linked oligosaccharide biosynthesis, the transfer of an N-acetyl-D-galactosamine residue to a serine or threonine residue on the protein receptor. Has a highest activity toward Muc7, EA2 and Muc2, with a lowest activity than GALNT2. Glycosylates 'Thr-57' of SELPLG.
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