| Name | Polypeptide N-acetylgalactosaminyltransferase 9 |
| 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. Does not glycosylate apomucin or SDC3. |
| UniProt ID | Q9HCQ5 |
| Gene | GALNT9 |
