The Enzyme Database

Table of Contents

The enzymes in this section of the database are organized as you would find them in the Enzyme-Nomenclature book. Click [+] to expand, and [–] to collapse, any section. Clicking on a heading will open a popup window with information on that class, subclass or sub-subclass.

For a fully expanded list of the classes, subclasses and sub-subclasses, click here

[+subclass]. [+sub-subclass]. [+serial]

EC 1 [+]   
EC 2 []   
    EC 2.1  [+]      
    EC 2.2  [+]      
    EC 2.3  [+]      
    EC 2.4  []      
        EC 2.4.1       [+]    Hexosyltransferases 
        EC 2.4.2       [+]    Pentosyltransferases 
        EC 2.4.3       [+]    Sialyltransferases 
        EC 2.4.99       []    Transferring other glycosyl groups 
                EC 2.4.99.1                      β-galactoside α-(2,6)-sialyltransferase. Now EC 2.4.3.1, β-galactoside α-(2,6)-sialyltransferase 
                EC 2.4.99.2                      β-D-galactosyl-(1→3)-N-acetyl-β-D-galactosaminide α-2,3-sialyltransferase. Now EC 2.4.3.2, β-D-galactosyl-(1→3)-N-acetyl-β-D-galactosaminide α-2,3-sialyltransferase 
                EC 2.4.99.3                      α-N-acetylgalactosaminide α-2,6-sialyltransferase. Now EC 2.4.3.3, α-N-acetylgalactosaminide α-2,6-sialyltransferase 
                EC 2.4.99.4                      β-galactoside α-2,3-sialyltransferase. Now EC 2.4.3.4, β-galactoside α-2,3-sialyltransferase 
                EC 2.4.99.5                      galactosyldiacylglycerol α-2,3-sialyltransferase. Now EC 2.4.3.5, galactosyldiacylglycerol α-2,3-sialyltransferase 
                EC 2.4.99.6                      N-acetyllactosaminide α-2,3-sialyltransferase. Now EC 2.4.3.6, N-acetyllactosaminide α-2,3-sialyltransferase 
                EC 2.4.99.7                      α-N-acetylneuraminyl-2,3-β-galactosyl-1,3-N-acetylgalactosaminide 6-α-sialyltransferase. Now EC 2.4.3.7, α-N-acetylneuraminyl-2,3-β-galactosyl-1,3-N-acetylgalactosaminide 6-α-sialyltransferase 
                EC 2.4.99.8                      α-N-acetylneuraminate α-2,8-sialyltransferase. Now EC 2.4.3.8, α-N-acetylneuraminate α-2,8-sialyltransferase 
                EC 2.4.99.9                      lactosylceramide α-2,3-sialyltransferase. Now EC 2.4.3.9, lactosylceramide α-2,3-sialyltransferase 
                EC 2.4.99.10                      neolactotetraosylceramide α-2,3-sialyltransferase. Now included in EC 2.4.3.6, N-acetyllactosaminide α-2,3-sialyltransferase 
                EC 2.4.99.11                      lactosylceramide α-2,6-N-sialyltransferase. Now included with EC 2.4.3.1, β-galactoside α-(2,6)-sialyltransferase 
                EC 2.4.99.12                      lipid IVA 3-deoxy-D-manno-octulosonic acid transferase 
                EC 2.4.99.13                      (Kdo)-lipid IVA 3-deoxy-D-manno-octulosonic acid transferase 
                EC 2.4.99.14                      (Kdo)2-lipid IVA (2-8) 3-deoxy-D-manno-octulosonic acid transferase 
                EC 2.4.99.15                      (Kdo)3-lipid IVA (2-4) 3-deoxy-D-manno-octulosonic acid transferase 
                EC 2.4.99.16                      starch synthase (maltosyl-transferring) 
                EC 2.4.99.17                      S-adenosylmethionine:tRNA ribosyltransferase-isomerase 
                EC 2.4.99.18                      dolichyl-diphosphooligosaccharide—protein glycotransferase 
                EC 2.4.99.19                      undecaprenyl-diphosphooligosaccharide—protein glycotransferase 
                EC 2.4.99.20                      2′-phospho-ADP-ribosyl cyclase/2′-phospho-cyclic-ADP-ribose transferase 
                EC 2.4.99.21                      dolichyl-phosphooligosaccharide-protein glycotransferase 
                EC 2.4.99.22                      N-acetylglucosaminide α-(2,6)-sialyltransferase. Now EC 2.4.3.10, N-acetylglucosaminide α-(2,6)-sialyltransferase 
                EC 2.4.99.23                      lipopolysaccharide heptosyltransferase I 
                EC 2.4.99.24                      lipopolysaccharide heptosyltransferase II 
                EC 2.4.99.25                      lipopolysaccharide heptosyltransferase III 
                EC 2.4.99.26                      O-antigen ligase 
                EC 2.4.99.27                      O-antigen polymerase Wzy 
                EC 2.4.99.28                      peptidoglycan glycosyltransferase 
    EC 2.5  [+]      
    EC 2.6  [+]      
    EC 2.7  [+]      
    EC 2.8  [+]      
    EC 2.9  [+]      
    EC 2.10  [+]      
EC 3 [+]   
EC 4 [+]   
EC 5 [+]   
EC 6 [+]   
EC 7 [+]   


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