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                      purine-nucleoside phosphorylase 
                EC                      pyrimidine-nucleoside phosphorylase 
                EC                      uridine phosphorylase 
                EC                      thymidine phosphorylase 
                EC                      nucleoside ribosyltransferase 
                EC                      nucleoside deoxyribosyltransferase 
                EC                      adenine phosphoribosyltransferase 
                EC                      hypoxanthine phosphoribosyltransferase 
                EC                      uracil phosphoribosyltransferase 
                EC                      orotate phosphoribosyltransferase 
                EC                      nicotinate phosphoribosyltransferase. Now EC, nicotinate phosphoribosyltransferase. 
                EC                      nicotinamide phosphoribosyltransferase 
                EC                      now EC methionine adenosyltransferase 
                EC                      amidophosphoribosyltransferase 
                EC                      guanosine phosphorylase 
                EC                      urate-ribonucleoside phosphorylase 
                EC                      ATP phosphoribosyltransferase 
                EC                      anthranilate phosphoribosyltransferase 
                EC                      nicotinate-nucleotide diphosphorylase (carboxylating) 
                EC                      dioxotetrahydropyrimidine phosphoribosyltransferase 
                EC                      nicotinate-nucleotide—dimethylbenzimidazole phosphoribosyltransferase 
                EC                      xanthine phosphoribosyltransferase 
                EC                      deoxyuridine phosphorylase. This activity has been shown to be catalysed by EC, pyrimidine-nucleoside phosphorylase, EC, uridine phosphorylase, and EC, thymidine phosphorylase. 
                EC                      1,4-β-D-xylan synthase 
                EC                      flavone apiosyltransferase 
                EC                      protein xylosyltransferase 
                EC                      dTDP-dihydrostreptose—streptidine-6-phosphate dihydrostreptosyltransferase 
                EC                      S-methyl-5′-thioadenosine phosphorylase 
                EC                      tRNA-guanosine34 preQ1 transglycosylase 
                EC                      NAD+ ADP-ribosyltransferase 
                EC                      NAD+—protein-arginine ADP-ribosyltransferase 
                EC                      dolichyl-phosphate D-xylosyltransferase 
                EC                      dolichyl-xylosyl-phosphate—protein xylosyltransferase 
                EC                      indolylacetylinositol arabinosyltransferase 
                EC                      flavonol-3-O-glycoside xylosyltransferase 
                EC                      NAD+—diphthamide ADP-ribosyltransferase 
                EC                      NAD+—dinitrogen-reductase ADP-D-ribosyltransferase 
                EC                      glycoprotein 2-β-D-xylosyltransferase 
                EC                      xyloglucan 6-xylosyltransferase 
                EC                      zeatin O-β-D-xylosyltransferase 
                EC                      xylogalacturonan β-1,3-xylosyltransferase 
                EC                      UDP-D-xylose:β-D-glucoside α-1,3-D-xylosyltransferase 
                EC                      lipid IVA 4-amino-4-deoxy-L-arabinosyltransferase 
                EC                      S-methyl-5′-thioinosine phosphorylase 
                EC                      decaprenyl-phosphate phosphoribosyltransferase 
                EC                      galactan 5-O-arabinofuranosyltransferase 
                EC                      arabinofuranan 3-O-arabinosyltransferase 
                EC                      tRNA-guanine15 transglycosylase 
                EC                      neamine phosphoribosyltransferase 
                EC                      cyanidin 3-O-galactoside 2′′-O-xylosyltransferase 
                EC                      anthocyanidin 3-O-glucoside 2′′′-O-xylosyltransferase 
                EC                      triphosphoribosyl-dephospho-CoA synthase 
                EC                      undecaprenyl-phosphate 4-deoxy-4-formamido-L-arabinose transferase 
                EC                      β-ribofuranosylphenol 5′-phosphate synthase 
                EC                      nicotinate D-ribonucleotide:phenol phospho-D-ribosyltransferase 
                EC                      kaempferol 3-O-xylosyltransferase 
                EC                      AMP phosphorylase 
                EC                      hydroxyproline O-arabinosyltransferase 
                EC                      sulfide-dependent adenosine diphosphate thiazole synthase 
                EC                      cysteine-dependent adenosine diphosphate thiazole synthase 
                EC                      α-dystroglycan β1,4-xylosyltransferase 
                EC                      xylosyl α-1,3-xylosyltransferase 
                EC                      EGF-domain serine xylosyltransferase 
                EC                      tRNA-guanosine34 queuine transglycosylase 
        EC 2.4.3       [+]    Sialyltransferases 
        EC 2.4.99       [+]    Transferring other glycosyl groups 
    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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