IUBMB Enzyme Nomenclature


Accepted name: apulose-4-phosphate transketolase

Reaction: apulose 4-phosphate + D-glyceraldehyde 3-phosphate = D-xylulose 5-phosphate + glycerone phosphate

Glossary: apulose = 1,3,4-trihydroxy-3-(hydroxymethyl)butan-2-one

Other name(s): aptAB (gene names)

Systematic name: apulose-4-phosphate:D-glyceraldehyde-3-phosphate glycolaldehydetransferase

Comments: The enzyme, characterized from several bacterial species, is involved in a catabolic pathway for D-apiose.

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


1. Carter, M.S., Zhang, X., Huang, H., Bouvier, J.T., Francisco, B.S., Vetting, M.W., Al-Obaidi, N., Bonanno, J.B., Ghosh, A., Zallot, R.G., Andersen, H.M., Almo, S.C. and Gerlt, J.A. Functional assignment of multiple catabolic pathways for D-apiose. Nat. Chem. Biol. 14 (2018) 696-705. [PMID: 29867142]

[EC created 2020]

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