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EC 2.2.1.3 Details

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EC number

2.2.1.3

Accepted name

formaldehyde transketolase

Reaction

D-xylulose 5-phosphate + formaldehyde = D-glyceraldehyde 3-phosphate + glycerone

Other name(s)

dihydroxyacetone synthase

Systematic name

D-xylulose-5-phosphate:formaldehyde glycolaldehydetransferase

CAS registry number

124566-23-0

Comment

A thiamine-diphosphate protein. Not identical with EC 2.2.1.1 transketolase. Also converts hydroxypyruvate and formaldehyde into glycerone and CO₂.

History

created 1984

EC Tree

1 Oxidoreductases

2 Transferases

2.1 Transferring one-carbon groups

2.2 Transferring aldehyde or ketonic groups

2.2.1 Transketolases and transaldolases

2.2.1.1 transketolase

2.2.1.2 transaldolase

2.2.1.3 formaldehyde transketolase

2.2.1.4 acetoin—ribose-5-phosphate transaldolase

2.2.1.5 2-hydroxy-3-oxoadipate synthase

2.2.1.6 acetolactate synthase

2.2.1.7 1-deoxy-D-xylulose-5-phosphate synthase

2.2.1.8 fluorothreonine transaldolase

2.2.1.9 2-succinyl-5-enolpyruvyl-6-hydroxy-3-cyclohexene-1-carboxylic-acid synthase

2.2.1.10 2-amino-3,7-dideoxy-D-threo-hept-6-ulosonate synthase

2.2.1.11 6-deoxy-5-ketofructose 1-phosphate synthase

2.2.1.12 3-acetyloctanal synthase

2.2.1.13 apulose-4-phosphate transketolase

2.2.1.14 6-deoxy-6-sulfo-D-fructose transaldolase

2.2.1.15 6-deoxy-6-sulfo-D-fructose transketolase

2.3 Acyltransferases

2.4 Glycosyltransferases

2.5 Transferring alkyl or aryl groups, other than methyl groups

2.6 Transferring nitrogenous groups

2.7 Transferring phosphorus-containing groups

2.8 Transferring sulfur-containing groups

2.9 Transferring selenium-containing groups

2.10 Transferring molybdenum- or tungsten-containing groups