Polypeptide N-acetylgalactosaminyltransferase 15, Polypeptide GalNAc transferase-like protein 2, GalNAc-T-like protein 2, pp-GaNTase-like protein 2, Polypeptide N-acetylgalactosaminyltransferase-like protein 2, Protein-UDP acetylgalactosaminyltransferase-like protein 2, UDP-GalNAc:polypeptide N-acetylgalactosaminyltransferase-like protein 2, GALNT15, GALNTL2
GALNTL2 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.