protein N-linked N-acetylgalactosaminylation via asparagine
A process of protein N-linked glycosylation via asparagine in which N-acetylgalactosamine is added to the N4 of asparagine, forming an (S)-2-amino-4-(2-acetamido-2-deoxy-beta-D-galactopyranosyl)amino-4-oxobutanoic acid residue.