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 3.1  [+]      
    EC 3.2  [+]      
    EC 3.3  [+]      
    EC 3.4  []      
        EC 3.4.1       [+]    α-Amino-acyl-peptide hydrolases (deleted sub-subclass) 
        EC 3.4.2       [+]    Peptidyl-amino-acid hydrolases (deleted sub-subclass) 
        EC 3.4.3       [+]    Dipeptide hydrolases (deleted sub-subclass) 
        EC 3.4.4       [+]    Peptidyl peptide hydrolases (deleted sub-subclass) 
        EC 3.4.11       [+]    Aminopeptidases 
        EC 3.4.12       [+]    Peptidylamino-acid hydrolases or acylamino-acid hydrolases (deleted sub-subclass) 
        EC 3.4.13       []    Dipeptidases 
                EC 3.4.13.1                      glycyl-glycine dipeptidase. Now EC 3.4.13.18, cytosol nonspecific dipeptidase 
                EC 3.4.13.2                      glycyl-leucine dipeptidase. Now EC 3.4.13.18, cytosol nonspecific dipeptidase 
                EC 3.4.13.3                      Xaa-His dipeptidase. The activity is covered by EC 3.4.13.18, cytosol nonspecific dipeptidase and EC 3.4.13.20, β-Ala-His dipeptidase. 
                EC 3.4.13.4                      Xaa-Arg dipeptidase 
                EC 3.4.13.5                      Xaa-methyl-His dipeptidase 
                EC 3.4.13.6                      Cys-Gly dipeptidase. Now EC 3.4.11.2, membrane alanyl aminopeptidase 
                EC 3.4.13.7                      Glu-Glu dipeptidase 
                EC 3.4.13.8                      Pro-X dipeptidase. Now EC 3.4.13.18, cytosol nonspecific dipeptidase 
                EC 3.4.13.9                      Xaa-Pro dipeptidase 
                EC 3.4.13.10                      β-aspartyldipeptidase. Now EC 3.4.19.5, β-aspartyl-peptidase 
                EC 3.4.13.11                      dipeptidase. Now EC 3.4.13.19, membrane dipeptidase 
                EC 3.4.13.12                      Met-Xaa dipeptidase 
                EC 3.4.13.13                      homocarnosinase. Now EC 3.4.13.3, X-His dipeptidase 
                EC 3.4.13.14                       γ-glutamyldipeptidase 
                EC 3.4.13.15                      N2-β-alanylarginine dipeptidase. Now EC 3.4.13.18, cytosol nonspecific dipeptidase 
                EC 3.4.13.16                       aspartylphenylalanine dipeptidase 
                EC 3.4.13.17                      non-stereospecific dipeptidase 
                EC 3.4.13.18                      cytosol nonspecific dipeptidase 
                EC 3.4.13.19                      membrane dipeptidase 
                EC 3.4.13.20                      β-Ala-His dipeptidase 
                EC 3.4.13.21                      dipeptidase E 
                EC 3.4.13.22                      D-Ala-D-Ala dipeptidase 
        EC 3.4.14       [+]    Dipeptidyl-peptidases and tripeptidyl-peptidases 
        EC 3.4.15       [+]    Peptidyl-dipeptidases 
        EC 3.4.16       [+]    Serine-type carboxypeptidases 
        EC 3.4.17       [+]    Metallocarboxypeptidases 
        EC 3.4.18       [+]    Cysteine-type carboxypeptidases 
        EC 3.4.19       [+]    Omega peptidases 
        EC 3.4.21       [+]    Serine endopeptidases 
        EC 3.4.22       [+]    Cysteine endopeptidases 
        EC 3.4.23       [+]    Aspartic endopeptidases 
        EC 3.4.24       [+]    Metalloendopeptidases 
        EC 3.4.25       [+]    Threonine endopeptidases 
        EC 3.4.99       [+]    Endopeptidases of unknown catalytic mechanism (sub-subclass is currently empty) 
    EC 3.5  [+]      
    EC 3.6  [+]      
    EC 3.7  [+]      
    EC 3.8  [+]      
    EC 3.9  [+]      
    EC 3.10  [+]      
    EC 3.11  [+]      
    EC 3.12  [+]      
    EC 3.13  [+]      
EC 4 [+]   
EC 5 [+]   
EC 6 [+]   
EC 7 [+]   


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