IUBMB Enzyme Nomenclature


Accepted name: UDP-glucosamine 4-epimerase

Reaction: UDP-α-D-glucosamine = UDP-α-D-galactosamine

Systematic name: UDP-α-D-glucosamine 4-epimerase

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


1. Maley, F. and Maley, G.F. The enzymic conversion of glucosamine to galactosamine. Biochim. Biophys. Acta 31 (1959) 577-578.

2. Silbert, J.E. and Brown, D.H. Enzymic synthesis of uridine diphosphate glucosamine and heparin from [14C]glucosamine by a mouse mast-cell tumor. Biochim. Biophys. Acta 54 (1961) 590-592.

[EC created 1984]

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