2.4.1.41	additional information	involved in development, necessary for viability	
2.4.1.41	additional information	pp-GalNAc-T13 is specifically expressed in neurons and synthesizes Tn antigen	
2.4.1.41	additional information	UDP-GalNAc polypeptide:N-acetylgalactosaminyltransferase catalyzes the first step in the mucin-type O-glycan biosynthesis pathway by transferring GalNAc to Ser or Thr residues in a protein from the sugar donor UDP-GalNAc	
2.4.1.41	additional information	UDP-GalNAc:polypeptide alpha-N-acetylgalactosaminyltransferases transfer GalNAc from UDP-GalNAc to the Ser and Thr residues of polypeptide acceptors, and initiate and regulate mucin-type O-glycosylation	
2.4.1.41	additional information	no activity with 2'-deoxy-alpha-D-galactosamine or 2'-oxymethyl-alpha-D-galactosamine	
2.4.1.41	UDP-N-acetyl-alpha-D-galactosamine + polypeptide	-	
2.4.1.41	UDP-N-acetyl-alpha-D-galactosamine + polypeptide EA2	sequence PTTDSTTPAPTTK	
2.4.1.41	UDP-N-acetyl-alpha-D-galactosamine + polypeptide Muc1	-	
2.4.1.41	UDP-N-acetyl-alpha-D-galactosamine + polypeptide MUC13	isoform GALNT14 contributes to the glycosylation of peptide MUC13, which is significantly higher in ovarian cancer cells compared with the normal/benign ovary tissues	
2.4.1.41	UDP-N-acetyl-D-galactosamine + bone sialoprotein	preferred substrate of isozyme ppGalNAcT-1, glycosylation of Thr101, Ser131, Thr199, and Ser214, glycosylation pattern, overview