The Enzyme Database

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Accepted name: formaldehyde transketolase
Reaction: D-xylulose 5-phosphate + formaldehyde = D-glyceraldehyde 3-phosphate + glycerone
For diagram of reaction, click here
Glossary: thiamine diphosphate = 3-[(4-amino-2-methylpyrimidin-5-yl)methyl]-5-(2-diphosphoethyl)-4-methyl-1,3-thiazolium
Other name(s): dihydroxyacetone synthase
Systematic name: D-xylulose-5-phosphate:formaldehyde glycolaldehydetransferase
Comments: A thiamine-diphosphate protein. Not identical with EC transketolase. Also converts hydroxypyruvate and formaldehyde into glycerone and CO2.
Links to other databases: BRENDA, EXPASY, Gene, KEGG, MetaCyc, CAS registry number: 124566-23-0
1.  Bystrykh, L.V., Sokolov, A.P. and Trotsenko, Yu.A. Separation of transketolase and dihydroxyacetone synthase from methylotrophic yeasts. Dokl. Akad. Nauk S.S.S.R. 258 (1981) 499–501. [PMID: 7249920]
2.  Kato, N., Higuchi, T., Sakazawa, C., Nishizawa, T., Tani, Y. and Yamada, H. Purification and properties of a transketolase responsible for formaldehyde fixation in a methanol-utilizing yeast, Candida boidinii (Kloeckera sp.) No. 2201. Biochim. Biophys. Acta 715 (1982) 143–150. [DOI] [PMID: 7074134]
3.  Waites, M.J. and Quayle, J.R. The interrelation between transketolase and dihydroxyacetone synthase activities in the methylotrophic yeast Candida boidinii. J. Gen. Microbiol. 124 (1981) 309–316. [DOI] [PMID: 6276498]
[EC created 1984]

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