IUBMB Enzyme Nomenclature


Accepted name: CDP-abequose synthase

Reaction: CDP-α-D-abequose + NADP+ = CDP-4-dehydro-3,6-dideoxy-α-D-glucose + NADPH + H+

For diagram of reaction click here.

Glossary: CDP-α-D-abequose = CDP-3,6-dideoxy-α-D-xylo-hexose

Other name(s): rfbJ (gene name)

Systematic name: CDP-α-D-abequose:NADP+ 4-oxidoreductase

Comments: Isolated from Yersinia pseudotuberculosis [1,3] and Salmonella enterica [1,2].

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


1. Kessler, A.C., Brown, P.K., Romana, L.K. and Reeves, P.R. Molecular cloning and genetic characterization of the rfb region from Yersinia pseudotuberculosis serogroup IIA, which determines the formation of the 3,6-dideoxyhexose abequose. J. Gen. Microbiol. 137 (1991) 2689-2695. [PMID: 1724263]

2. Wyk, P. and Reeves, P. Identification and sequence of the gene for abequose synthase, which confers antigenic specificity on group B salmonellae: homology with galactose epimerase. J. Bacteriol. 171 (1989) 5687-5693. [PMID: 2793832]

3. Thorson, J.S., Lo, S.F., Ploux, O., He, X. and Liu, H.W. Studies of the biosynthesis of 3,6-dideoxyhexoses: molecular cloning and characterization of the asc (ascarylose) region from Yersinia pseudotuberculosis serogroup VA. J. Bacteriol. 176 (1994) 5483-5493. [PMID: 8071227]

[EC created 2012]

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