IUBMB Enzyme Nomenclature


Accepted name: 1,4-β-mannosyl-N-acetylglucosamine phosphorylase

Reaction: 4-O-β-D-mannopyranosyl-N-acetyl-D-glucosamine + phosphate = N-acetyl-D-glucosamine + α-D-mannose 1-phosphate

Other name(s): BT1033

Systematic name: 4-O-β-D-mannopyranosyl-N-acetyl-D-glucosamine:phosphate α-D-mannosyltransferase

Comments: The enzyme isolated from the anaerobic bacterium Bacteroides thetaiotaomicron is involved in the degradation of host-derived N-glycans.

Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, CAS registry number:


1. Nihira, T., Suzuki, E., Kitaoka, M., Nishimoto, M., Ohtsubo, K. and Nakai, H. Discovery of β-1,4-D-mannosyl-N-acetyl-D-glucosamine phosphorylase involved in the metabolism of N-glycans. J. Biol. Chem. 288 (2013) 27366-27374. [PMID: 23943617]

[EC created 2014]

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