Polypeptide N-acetylgalactosaminyltransferase
Template:Short description Template:Infobox enzyme In enzymology, a polypeptide N-acetylgalactosaminyltransferase (Template:EC number) is an enzyme that catalyzes the chemical reaction
- UDP-N-acetyl-D-galactosamine + polypeptide UDP + N-acetyl-D-galactosaminyl-polypeptide
Thus, the two substrates of this enzyme are UDP-N-acetyl-D-galactosamine and polypeptide, whereas its two products are UDP and N-acetyl-D-galactosaminyl-polypeptide.
This enzyme belongs to the family of glycosyltransferases, specifically the hexosyltransferases. This enzyme participates in O-glycan biosynthesis and glycan structures - biosynthesis 1. It has 2 cofactors: manganese, and calcium.
Nomenclature
The systematic name of this enzyme class is UDP-N-acetyl-D-galactosamine:polypeptide N-acetylgalactosaminyl-transferase. Other names in common use include: Template:Div col
- protein-UDP acetylgalactosaminyltransferase,
- UDP-GalNAc:polypeptide N-acetylgalactosaminyl transferase,
- UDP-N-acetylgalactosamine:kappa-casein polypeptide,
- N-acetylgalactosaminyltransferase,
- uridine diphosphoacetylgalactosamine-glycoprotein,
- acetylgalactosaminyltransferase,
- glycoprotein acetylgalactosaminyltransferase,
- polypeptide-N-acetylgalactosamine transferase,
- UDP-acetylgalactosamine-glycoprotein,
- acetylgalactosaminyltransferase,
- UDP-acetylgalactosamine:peptide-N-galactosaminyltransferase,
- UDP-GalNAc:polypeptide N-acetylgalactosaminyltransferase,
- UDP-N-acetyl-alpha-D-galactosamine:polypeptide,
- N-acetylgalactosaminyltransferase,
- UDP-N-acetylgalactosamine-glycoprotein,
- N-acetylgalactosaminyltransferase,
- UDP-N-acetylgalactosamine-protein N-acetylgalactosaminyltransferase,
- UDP-N-acetylgalactosamine:polypeptide,
- N-acetylgalactosaminyltransferase, and
- UDP-N-acetylgalactosamine:protein N-acetylgalactosaminyl transferase.
References
Template:Glycosyltransferases Template:Enzymes Template:Portal bar