polypeptide N-acetylgalactosaminyltransferase activity
polypeptide n-acetylgalactosaminyltransferase activity
UDP-N-acetyl-alpha-D-galactosamine:polypeptide N-acetylgalactosaminyltransferase activity
udp-n-acetyl-alpha-d-galactosamine:polypeptide n-acetylgalactosaminyltransferase activity