label: (N-acetylneuraminyl)-galactosylglucosylceramide N-acetylgalactosaminyltransferase activity
label_lc: (n-acetylneuraminyl)-galactosylglucosylceramide n-acetylgalactosaminyltransferase activity
description: "Catalysis of the reaction: UDP-N-acetyl-D-galactosamine + (N-acetylneuraminyl)-D-galactosyl-D-glucosylceramide = UDP + N-acetyl-D-galactosaminyl-(N-acetylneuraminyl)-D-galactosyl-D-glucosylceramide."