ID 2.4.1.201 DE alpha-1,6-mannosyl-glycoprotein 4-beta-N-acetylglucosaminyltransferase. AN GlcNAc-T VI. AN GnTVI. AN mannosyl-glycoprotein beta-1,4-N-acetylglucosaminyltransferase. AN N-acetylglucosaminyltransferase VI. AN N-glycosyl-oligosaccharide-glycoprotein N-acetylglucosaminyltransferase AN VI. AN uridine diphosphoacetylglucosamine-glycopeptide beta- AN 1->4-acetylglucosaminyltransferase VI. CA N(4)-{beta-D-GlcNAc-(1->2)-[beta-D-GlcNAc-(1->4)]-alpha-D-Man-(1->3)- CA [beta-D-GlcNAc-(1->2)-[beta-D-GlcNAc-(1->6)]-alpha-D-Man-(1->6)]-beta-D- CA Man-(1->4)-beta-D-GlcNAc-(1->4)-beta-D-GlcNAc}-L-asparaginyl-[protein] + CA UDP-N-acetyl-alpha-D-glucosamine = H(+) + N(4)-{beta-D-GlcNAc-(1->2)- CA [beta-D-GlcNAc-(1->4)]-alpha-D-Man-(1->3)-[beta-D-GlcNAc-(1->2)-[beta-D- CA GlcNAc-(1->4)]-[beta-D-GlcNAc-(1->6)]-alpha-D-Man-(1->6)]-beta-D-Man- CA (1->4)-beta-D-GlcNAc-(1->4)-beta-D-GlcNAc}-L-asparaginyl-[protein] + UDP. CC -!- The enzyme, characterized from hen oviduct membranes, participates in CC the processing of N-glycans in the Golgi apparatus. CC -!- It transfers GlcNAc in beta1-4 linkage to a D-mannose residue that CC already has GlcNAc residues attached at positions 2 and 6 by beta CC linkages. CC -!- No homologous enzyme appears to exist in mammals. DR Q9DGD1, MGT4C_CHICK; //