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2.4.1.201: alpha-1,6-mannosyl-glycoprotein 4-beta-N-acetylglucosaminyltransferase

This is an abbreviated version!
For detailed information about alpha-1,6-mannosyl-glycoprotein 4-beta-N-acetylglucosaminyltransferase, go to the full flat file.

Word Map on EC 2.4.1.201

Reaction

UDP-N-acetyl-alpha-D-glucosamine
+
beta-D-GlcNAc-(1->2)-[beta-D-GlcNAc-(1->4)]-alpha-D-Man-(1->3)-[beta-D-GlcNAc-(1->2)-[beta-D-GlcNAc-(1->6)]-alpha-D-Man-(1->6)]-beta-D-Man-(1->4)-beta-D-GlcNAc-(1->4)-beta-D-GlcNAc-N-Asn-[protein]
=
UDP
+
beta-D-GlcNAc-(1->2)-[beta-D-GlcNAc-(1->4)]-alpha-D-Man-(1->3)-[beta-D-GlcNAc-(1->2)-[beta-D-GlcNAc-(1->4)]-[beta-D-GlcNAc-(1->6)]-alpha-D-Man-(1->6)]-beta-D-Man-(1->4)-beta-D-GlcNAc-(1->4)-beta-D-GlcNAc-N-Asn-[protein]

Synonyms

acetylglucosaminyltransferase, uridine diphosphoacetylglucosamine-glycopeptide beta-1,4-, VI, acetylglucosaminyltransferase, uridine diphosphoacetylglucosamine-glycopeptide beta-1-4-, VI, GCNT6, GnT VI, GnT-VI, mannosyl-glycoprotein beta-1,4-N-acetylglucosaminyltransferase, Mgat6, N-acetylglucosaminyltransferase VI, N-glycosyl-oligosaccharide-glycoprotein N-acetylglucosaminyltransferase VI, UDP-GlcNAc: GlcNAcbeta1-6(GlcNAcbeta1-2)Manalpha1-R [GlcNAc to Man] beta1-4N-acetylglucosaminyltransferase VI, UDP-GlcNAc:GlcNAcbeta1-6(GlcNAcbeta1-2)Manalpha-R (GlcNAc to Man) beta4-GlcNAc-transferase VI, UDP-GlcNAc:GlcNAcbeta1-6(GlcNAcbeta1-2)Manalpha1-R [GlcNAc to Man]beta1-4N-acetylglucosaminyltransferase VI, UDP-N-acetyl-D-glucosamine (GlcNAc):GlcNAcbeta1-6(GlcNAcbeta1-2)-Manalpha1-R[GlcNAc to Man]beta1,4N-acetylglucosaminyltransferase VI, uridine diphosphoacetylglucosamine-glycopeptide beta-1-4-acetylglucosaminyltransferase VI

ECTree

     2 Transferases
         2.4 Glycosyltransferases
             2.4.1 Hexosyltransferases
                2.4.1.201 alpha-1,6-mannosyl-glycoprotein 4-beta-N-acetylglucosaminyltransferase

Systematic Name

Systematic Name on EC 2.4.1.201 - alpha-1,6-mannosyl-glycoprotein 4-beta-N-acetylglucosaminyltransferase

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SYSTEMATIC NAME
IUBMB Comments
UDP-N-acetyl-alpha-D-glucosamine:N-acetyl-beta-D-glucosaminyl-(1->6)-[N-acetyl-beta-D-glucosaminyl-(1->2)]-alpha-D-mannosyl-glycoprotein 4-beta-N-acetyl-D-glucosaminyltransferase (configuration-inverting)
Requires a high concentration of Mn2+ for maximal activity. The enzyme, characterized from hen oviduct membranes, participates in the processing of N-glycans in the Golgi apparatus. It transfers GlcNAc in beta1-4 linkage to a D-mannose residue that already has GlcNAc residues attached at positions 2 and 6 by beta linkages. No homologous enzyme appears to exist in mammals.