Reaction catalyzed by polypeptide N-acetylgalactosaminyltransferase (2.4.1.41)
+
myelin basic protein
=
+
N-acetyl-D-galactosaminyl-myelin basic protein
UDP-N-acetyl-D-galactosamine
+
myelin basic protein
=
UDP
+
N-acetyl-D-galactosaminyl-myelin basic protein