NCIt definition : Polypeptide N-acetylgalactosaminyltransferase 12 (581 aa, 67 kDa) is encoded by the
human GALNT12 gene. This protein plays a role in catalyzing the transfer of an N-acetyl-D-galactosamine
(GalNAc) residue to a serine or threonine residue on a protein substrate.;