IUBMB Enzyme Nomenclature


Accepted name: 4-deoxy-4-sulfo-D-erythrose isomerase

Reaction: 4-deoxy-4-sulfo-D-erythrose = 4-deoxy-4-sulfo-D-erythrulose

Other name(s): sqwI (gene name)

Systematic name: 4-deoxy-4-sulfo-D-erythrose ketose-aldose isomerase

Comments: The enzyme, characterized from the bacterium Clostridium sp. MSTE9, is involved in a D-sulfoquinovose degradation pathway.

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


1. Liu, J., Wei, Y., Ma, K., An, J., Liu, X., Liu, Y., Ang, E.L., Zhao, H. and Zhang, Y. Mechanistically diverse pathways for sulfoquinovose degradation in bacteria. ACS Catal. 11 (2021) 14740-14750.

[EC created 2022]

Return to EC 5.3.1 home page
Return to EC 5.3 home page
Return to EC 5 home page
Return to Enzymes home page
Return to IUBMB Biochemical Nomenclature home page