Tags: Enzyme.
In enzymology a polypeptide N-acetylgalactosaminyltransferase (EC 2.4.1.41) is an enzyme that catalyzes the chemical reactionUDP-N-acetyl-D-galactosamine + polypeptide UDP + N-acetyl-D-galactosaminyl-polypeptideThus 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.