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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

2.4 Glycosyltransferases

2.4.1 Hexosyltransferases

2.4.2 Pentosyltransferases

2.4.3 Sialyltransferases

2.4.99 Transferring other glycosyl groups

2.4.99.1 β-galactoside α-(2,6)-sialyltransferase

2.4.99.2 β-D-galactosyl-(1→3)-N-acetyl-β-D-galactosaminide α-2,3-sialyltransferase

2.4.99.3 α-N-acetylgalactosaminide α-2,6-sialyltransferase

2.4.99.4 β-galactoside α-2,3-sialyltransferase

2.4.99.5 galactosyldiacylglycerol α-2,3-sialyltransferase

2.4.99.6 N-acetyllactosaminide α-2,3-sialyltransferase

2.4.99.7 α-N-acetylneuraminyl-2,3-β-galactosyl-1,3-N-acetylgalactosaminide 6-α-sialyltransferase

2.4.99.8 α-N-acetylneuraminate α-2,8-sialyltransferase

2.4.99.9 lactosylceramide α-2,3-sialyltransferase

2.4.99.10 neolactotetraosylceramide α-2,3-sialyltransferase

2.4.99.11 lactosylceramide α-2,6-N-sialyltransferase

2.4.99.12 lipid IV_A 3-deoxy-D-manno-octulosonic acid transferase

2.4.99.13 (Kdo)-lipid IV_A 3-deoxy-D-manno-octulosonic acid transferase

2.4.99.14 (Kdo)₂-lipid IV_A (2-8) 3-deoxy-D-manno-octulosonic acid transferase

2.4.99.15 (Kdo)₃-lipid IV_A (2-4) 3-deoxy-D-manno-octulosonic acid transferase

2.4.99.16 starch synthase (maltosyl-transferring)

2.4.99.17 S-adenosylmethionine:tRNA ribosyltransferase-isomerase

2.4.99.18 dolichyl-diphosphooligosaccharide—protein glycotransferase

2.4.99.19 undecaprenyl-diphosphooligosaccharide—protein glycotransferase

2.4.99.20 2′-phospho-ADP-ribosyl cyclase/2′-phospho-cyclic-ADP-ribose transferase

2.4.99.21 dolichyl-phosphooligosaccharide-protein glycotransferase

2.4.99.22 N-acetylglucosaminide α-(2,6)-sialyltransferase

2.4.99.23 lipopolysaccharide heptosyltransferase I

2.4.99.24 lipopolysaccharide heptosyltransferase II

2.4.99.25 lipopolysaccharide heptosyltransferase III

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

2.8.2 Sulfotransferases

2.8.3 CoA-transferases

2.8.4 Transferring alkylthio groups

2.8.5 Thiosulfotransferases

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)