. "Catalysis of the reaction: UDP-N-acetyl-D-galactosamine + alpha-D-galactosyl-(1->4)-beta-D-galactosyl-(1->4)-beta-D-glucosylceramide = UDP + beta-N-acetyl-D-galactosaminyl-(1->3)-alpha-D-galactosyl-(1->4)-beta-D-galactosyl-(1->4)-beta-D-glucosylceramide." . . "galactosylgalactosylglucosylceramide beta-D-acetylgalactosaminyltransferase activity" . "beta-3GalNAc-T1 activity" . "beta3GalNAc-T1" . "galactosylgalactosylglucosylceramide beta-D- activity" . "globoside synthase activity" . "globoside synthetase activity" . "globotriaosylceramide 3-beta-N-acetylgalactosaminyltransferase activity" . "globotriosylceramide beta-1,6-N-acetylgalactosaminyltransferase activity" . "UDP-N-acetyl-D-galactosamine:alpha-D-galactosyl-(1->4)-beta-D-galactosyl-(1->4)-beta-D-glucosylceramide 3III-beta-N-acetyl-D-galactosaminyltransferase activity" . "UDP-N-acetyl-D-galactosamine:D-galactosyl-1,4-D-galactosyl-1,4-D-glucosylceramide beta-N-acetyl-D-galactosaminyltransferase activity" . "UDP-N-acetylgalactosamine:globotriaosylceramide beta-3-N-acetylgalactosaminyltransferase activity" . "UDP-N-acetylgalactosamine:globotriaosylceramide beta1,3-N-acetylgalactosaminyltransferase activity" . "uridine diphosphoacetylgalactosamine-galactosylgalactosylglucosylceramide acetylgalactosaminyltransferase activity" . . . .