IUBMB Enzyme Nomenclature


Accepted name: L-ribulose-5-phosphate 3-epimerase

Reaction: L-ribulose 5-phosphate = L-xylulose 5-phosphate

For diagram click here.

Other name(s): L-xylulose 5-phosphate 3-epimerase; UlaE; SgaU

Systematic name: L-ribulose-5-phosphate 3-epimerase

Comments: Along with EC, 3-dehydro-L-gulonate-6-phosphate decarboxylase, this enzyme is involved in a pathway for the utilization of L-ascorbate by Escherichia coli.

Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, PDB, CAS registry number: 1114425-98-7


1. Yew, W.S. and Gerlt, J.A. Utilization of L-ascorbate by Escherichia coli K-12: assignments of functions to products of the yif-sga and yia-sgb operons. J. Bacteriol. 184 (2002) 302-306. [PMID: 11741871]

[EC created 2005]

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