globoside alpha-N-acetylgalactosaminyltransferase activity
Catalysis of the reaction: N-acetyl-D-galactosaminyl-(1,3)-D-galactosyl-(1,4)-D-galactosyl-(1,4)-D-glucosylceramide + UDP-N-acetylgalactosamine = N-acetyl-D-galactosaminyl-N-acetyl-D-galactosaminyl-(1,3)-D-galactosyl-(1,4)-D-galactosyl-(1,4)-D-glucosylceramide + UDP.
GO:0008376
acetylgalactosaminyltransferase activity
is_a
Forssman synthase activity
related
UDP-N-acetyl-D-galactosamine:N-acetyl-D-galactosaminyl-1,3-D-galactosyl-1,4-D-galactosyl-1,4-D-glucosylceramide alpha-N-acetyl-D-galactosaminyltransferase activity
related
globoside acetylgalactosaminyltransferase activity
related
uridine diphosphoacetylgalactosamine-globoside alpha-acetylgalactosaminyltransferase activity
related