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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

2.3 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

2.6 Transferring nitrogenous groups

2.7 Transferring phosphorus-containing groups

2.8 Transferring sulfur-containing groups

2.8.1 Sulfurtransferases

2.8.1.1 thiosulfate sulfurtransferase

2.8.1.2 3-mercaptopyruvate sulfurtransferase

2.8.1.3 thiosulfate—thiol sulfurtransferase

2.8.1.4 tRNA uracil 4-sulfurtransferase

2.8.1.5 thiosulfate—dithiol sulfurtransferase

2.8.1.6 biotin synthase

2.8.1.7 cysteine desulfurase

2.8.1.8 lipoyl synthase

2.8.1.9 molybdenum cofactor sulfurtransferase

2.8.1.10 thiazole synthase

2.8.1.11 molybdopterin synthase sulfurtransferase

2.8.1.12 molybdopterin synthase

2.8.1.13 tRNA-uridine 2-sulfurtransferase

2.8.1.14 tRNA-5-taurinomethyluridine 2-sulfurtransferase

2.8.1.15 tRNA-5-methyluridine⁵⁴ 2-sulfurtransferase

2.8.1.16 L-aspartate semialdehyde sulfurtransferase

2.8.2 Sulfotransferases

2.8.3 CoA-transferases

2.8.4 Transferring alkylthio groups

2.8.5 Thiosulfotransferases

2.9 Transferring selenium-containing groups

2.9.1 Selenotransferases

2.10 Transferring molybdenum- or tungsten-containing groups

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Release 2023.1 (January 2023)