IUBMB Enzyme Nomenclature


Accepted name: α-1,6-mannosyl-glycoprotein 6-β-N-acetylglucosaminyltransferase

Reaction: UDP-N-acetyl-D-glucosamine + 6-(2-[N-acetyl-β-D-glucosaminyl]-α-D-mannosyl)-β-D-mannosyl-R = UDP + 6-(2,6-bis[N-acetyl-β-D-glucosaminyl]-α-D-mannosyl)-β-D-mannosyl-R

For diagram click here.

Other name(s): N-acetylglucosaminyltransferase V; α-mannoside β-1,6-N-acetylglucosaminyltransferase; uridine diphosphoacetylglucosamine-α-mannoside β1→6-acetylglucosaminyltransferase; UDP-N-acetylglucosamine:α-mannoside-β1,6 N-acetylglucosaminyltransferase; α-1,3(6)-mannosylglycoprotein β-1,6-N-acetylglucosaminyltransferase

Systematic name: UDP-N-acetyl-D-glucosamine:6-[2-(N-acetyl-β-D-glucosaminyl)-α-D-mannosyl]-glycoprotein 6-β-N-acetyl-D-glucosaminyltransferase

Comments: R represents the remainder of the N-linked oligosaccharide in the glycoprotein acceptor (click here for diagram).

Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, CAS registry number: 83588-90-3


1. Cummings, R.D., Trowbridge, I.S. and Kornfeld, S. A mouse lymphoma cell line resistant to the leukoagglutinating lectin from Phaseolus vulgaris is deficient in UDP-GlcNAc: α-D-mannoside β1,6 N-acetylglucosaminyltransferase. J. Biol. Chem. 257 (1982) 13421-13427. [PMID: 6216250]

2. Hindsgaul, O., Tahir, S.H., Srivastava, O.P. and Pierce, M. The trisaccharide β-D-GlcpNAc-(1-2)-α-D-Manp-(1-6)-β-D-Manp, as its 8-methoxycarbonyloctyl glycoside, is an acceptor selective for N-acetylglucosaminyltransferase V. Carbohydr. Res. 173 (1988) 263-272. [PMID: 2834054]

[EC created 1986, modified 2001]

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