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EC Tree

1 Oxidoreductases

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

2.3.1 Transferring groups other than aminoacyl groups

2.3.2 Aminoacyltransferases

2.3.3 Acyl groups converted into alkyl groups on transfer

2.4 Glycosyltransferases

2.5 Transferring alkyl or aryl groups, other than methyl groups

2.5.1 Transferring alkyl or aryl groups, other than methyl groups (only sub-subclass identified to date)

2.6 Transferring nitrogenous groups

2.6.1 Transaminases

2.6.2 Amidinotransferases (deleted sub-subclass)

2.6.3 Oximinotransferases

2.6.99 Transferring other nitrogenous groups

2.6.99.1 dATP(dGTP)—DNA purinetransferase

2.6.99.2 pyridoxine 5′-phosphate synthase

2.6.99.3 O-ureido-L-serine synthase

2.6.99.4 N⁶-L-threonylcarbamoyladenine synthase

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

2.10.1 Molybdenumtransferases or tungstentransferases with sulfide groups as acceptors

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Release 2023.1 (January 2023)