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 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 3 [+]   
EC 4 []   
    EC 4.1  [+]      
    EC 4.2  [+]      
    EC 4.3  []      
        EC 4.3.1       []    Ammonia-lyases 
                EC 4.3.1.1                      aspartate ammonia-lyase 
                EC 4.3.1.2                      methylaspartate ammonia-lyase 
                EC 4.3.1.3                      histidine ammonia-lyase 
                EC 4.3.1.4                      formimidoyltetrahydrofolate cyclodeaminase 
                EC 4.3.1.5                      phenylalanine ammonia-lyase. Now divided into EC 4.3.1.23 (tyrosine ammonia-lyase), EC 4.3.1.24 (phenylalanine ammonia-lyase) and EC 4.3.1.25 (phenylalanine/tyrosine ammonia-lyase) 
                EC 4.3.1.6                      β-alanyl-CoA ammonia-lyase 
                EC 4.3.1.7                      ethanolamine ammonia-lyase 
                EC 4.3.1.8                      hydroxymethylbilane synthase. Now EC 2.5.1.61, hydroxymethylbilane synthase 
                EC 4.3.1.9                      glucosaminate ammonia-lyase 
                EC 4.3.1.10                      serine-sulfate ammonia-lyase 
                EC 4.3.1.11                      dihydroxyphenylalanine ammonia-lyase. The entry had been drafted on the basis of a single abstract that did not provide experimental evidence of the enzyme-catalysed reaction 
                EC 4.3.1.12                      ornithine cyclodeaminase 
                EC 4.3.1.13                      carbamoyl-serine ammonia-lyase 
                EC 4.3.1.14                      3-aminobutyryl-CoA ammonia-lyase 
                EC 4.3.1.15                      diaminopropionate ammonia-lyase 
                EC 4.3.1.16                      threo-3-hydroxy-L-aspartate ammonia-lyase 
                EC 4.3.1.17                      L-serine ammonia-lyase 
                EC 4.3.1.18                      D-serine ammonia-lyase 
                EC 4.3.1.19                      threonine ammonia-lyase 
                EC 4.3.1.20                      erythro-3-hydroxy-L-aspartate ammonia-lyase 
                EC 4.3.1.21                       aminodeoxygluconate ammonia-lyase. Enzyme is identical to EC 4.3.1.9, glucosaminate ammonia-lyase 
                EC 4.3.1.22                      3,4-dihydroxyphenylalanine reductive deaminase 
                EC 4.3.1.23                      tyrosine ammonia-lyase 
                EC 4.3.1.24                      phenylalanine ammonia-lyase 
                EC 4.3.1.25                      phenylalanine/tyrosine ammonia-lyase 
                EC 4.3.1.26                      chromopyrrolate synthase. Now EC 1.21.3.9, dichlorochromopyrrolate synthase 
                EC 4.3.1.27                      threo-3-hydroxy-D-aspartate ammonia-lyase 
                EC 4.3.1.28                      L-lysine cyclodeaminase 
                EC 4.3.1.29                      D-glucosaminate-6-phosphate ammonia-lyase 
                EC 4.3.1.30                      dTDP-4-amino-4,6-dideoxy-D-glucose ammonia-lyase 
                EC 4.3.1.31                      L-tryptophan ammonia lyase 
        EC 4.3.2       [+]    Amidine-lyases 
        EC 4.3.3       [+]    Amine-lyases 
        EC 4.3.99       [+]    Other carbon-nitrogen lyases 
    EC 4.4  [+]      
    EC 4.5  [+]      
    EC 4.6  [+]      
    EC 4.7  [+]      
    EC 4.99  [+]      
EC 5 [+]   
EC 6 [+]   


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