IUBMB Enzyme Nomenclature

EC 5.1.3.26

Accepted name: N-acetyl-α-D-glucosaminyl-diphospho-ditrans,octacis-undecaprenol 4-epimerase

Reaction: N-acetyl-α-D-glucosaminyl-diphospho-ditrans,octacis-undecaprenol = N-acetyl-α-D-galactosaminyl-diphospho-ditrans,octacis-undecaprenol

Other name(s): GlcNAc-P-P-Und epimerase; GlcNAc-P-P-Und 4-epimerase; gne (gene name)

Systematic name: N-acetyl-α-D-glucosaminyl-diphospho-ditrans,octacis-undecaprenol 4-epimerase

Comments: The enzyme is involved in biosynthesis of the repeating tetrasaccharide unit of the O-antigen produced by some Gram-negative bacteria.

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

References:

1. Rush, J.S., Alaimo, C., Robbiani, R., Wacker, M. and Waechter, C.J. A novel epimerase that converts GlcNAc-P-P-undecaprenol to GalNAc-P-P-undecaprenol in Escherichia coli O157. J. Biol. Chem. 285 (2010) 1671-1680. [PMID: 19923219]

[EC 5.1.3.26 created 2013]


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