IUBMB Enzyme Nomenclature


Accepted name: TDP-4-oxo-6-deoxy-α-D-glucose-3,4-oxoisomerase (dTDP-3-dehydro-6-deoxy-α-D-glucopyranose-forming)

Reaction: dTDP-4-dehydro-6-deoxy-α-D-glucopyranose = dTDP-3-dehydro-6-deoxy-α-D-glucopyranose

For diagram of reaction click here.

Other name(s): TDP-4-keto-6-deoxy-D-glucose-3,4-ketoisomerase (ambiguous); Tyl1a; dTDP-4-keto-6-deoxy-D-glucose-3,4-ketoisomerase (ambiguous)

Systematic name: dTDP-4-dehydro-6-deoxy-α-D-glucopyranose:dTDP-3-dehydro-6-deoxy-α-D-glucopyranose isomerase

Comments: The enzyme is involved in biosynthesis of D-mycaminose.

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


1. Melancon, C.E., 3rd, Hong, L., White, J.A., Liu, Y.N. and Liu, H.W. Characterization of TDP-4-keto-6-deoxy-D-glucose-3,4-ketoisomerase from the D-mycaminose biosynthetic pathway of Streptomyces fradiae: in vitro activity and substrate specificity studies. Biochemistry 46 (2007) 577-590. [PMID: 17209568]

[EC created 2011]

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