UDP-N-acetyl-D-galactosamine is a nucleotide sugar that is used for glycosylation by glycosyltransferases, which transfer the N-acetyl-D-galactosamine moiety to various substrates.1,2
1.Yazer, M.H., Olsson, M.L., and Palcic, M.M.The cis-AB blood group phenotype: Fundamental lessons in glycobiologyTransfus. Med. Rev.20(3)207-217(2006) 2.Wang, Y., Abernethy, J.L., Eckhardt, A.E., et al.Purification and characterization of a UDP-GalNAc:polypeptide N-acetylgalactosaminyltransferase specific for glycosylation of threonine residuesJ. Biol. Chem.267(18)12709-12716(1992)
















