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 3.4.14       [+]    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 3.4.99.1                      acrocylindricum proteinase. Now EC 3.4.23.28, acrocylindropepsin 
                EC 3.4.99.2                       agavain 
                EC 3.4.99.3                       angiotensinase 
                EC 3.4.99.4                      aspartylendopeptidase. Now EC 3.4.23.12, nepenthesin 
                EC 3.4.99.5                      Clostridium histolyticum collagenase 2. Now EC 3.4.24.3, microbial collagenase 
                EC 3.4.99.6                      crayfish low-molecular-weight proteinase. Now EC 3.4.24.21, astacin 
                EC 3.4.99.7                       euphorbain 
                EC 3.4.99.8                      Gliocladium proteinase 
                EC 3.4.99.9                      hurain. Now considered EC 3.4.21.25, cucumisin 
                EC 3.4.99.10                      insulinase. Now EC 3.4.24.56, insulysin 
                EC 3.4.99.11                      Streptomyces alkalophilic keratinase 
                EC 3.4.99.12                      Trichophyton mentagrophytes keratinase 
                EC 3.4.99.13                      β-lytic proteinase (Mycobacterium sorangium). Now EC 3.4.24.32, β-lytic metalloendopeptidase 
                EC 3.4.99.14                       mexicanain 
                EC 3.4.99.15                      Paecilomyces proteinase 
                EC 3.4.99.16                      Penicillium notatum extracellular proteinase 
                EC 3.4.99.17                       peptidoglycan endopeptidase 
                EC 3.4.99.18                       pinguinain 
                EC 3.4.99.19                      renin. Now EC 3.4.23.15, renin 
                EC 3.4.99.20                      Scopulariopsis proteinase 
                EC 3.4.99.21                      solanain. Now considered EC 3.4.21.25, cucumisin 
                EC 3.4.99.22                      staphylokinase. Now EC 3.4.24.29, aureolysin 
                EC 3.4.99.23                      tabernamontanain. Now considered EC 3.4.21.25, cucumisin 
                EC 3.4.99.24                      Tenebrio α-proteinase 
                EC 3.4.99.25                      trametes acid proteinase. Now EC 3.4.23.21, rhizopuspepsin 
                EC 3.4.99.26                      urokinase. Now EC 3.4.21.68, t-plasminogen activator 
                EC 3.4.99.27                      Echis carinatus prothrombin-activating proteinase 
                EC 3.4.99.28                      Oxyuranus scutellatus prothrombin-activating proteinase. Now EC 3.4.21.60, scutelarin 
                EC 3.4.99.29                      Myxobacter AL-1 proteinase I 
                EC 3.4.99.30                      Myxobacter AL-1 proteinase II. Now EC 3.4.24.20, peptidyl-Lys metalloendopeptidase 
                EC 3.4.99.31                      tissue endopeptidase degrading collagenase synthetic substrate. Now EC 3.4.24.15, thimet oligopeptidase 
                EC 3.4.99.32                      Armillaria mellea neutral proteinase. Now EC 3.4.24.20, peptidyl-Lys metalloendopeptidase 
                EC 3.4.99.33                       cathepsin R 
                EC 3.4.99.34                       mytilidase 
                EC 3.4.99.35                      premurein-leader peptidase. Now EC 3.4.23.36, signal peptidase II 
                EC 3.4.99.36                      leader peptidase. Now EC 3.4.21.89, signal peptidase I 
                EC 3.4.99.37                       RecA peptidase 
                EC 3.4.99.38                      pro-opiomelanotropin-converting proteinase. Now EC 3.4.23.17, pro-opiomelanocortin converting enzyme 
                EC 3.4.99.39                       pseudomurein endopeptidase 
                EC 3.4.99.40                       Pro-gonadoliberin proteinase 
                EC 3.4.99.41                      mitochondrial processing peptidase. Now EC 3.4.24.64, mitochondrial processing peptidase 
                EC 3.4.99.42                       leucyllysine endopeptidase 
                EC 3.4.99.43                      thermopsin. Now EC 3.4.23.42, thermopsin 
                EC 3.4.99.44                      pitrilysin. Now EC 3.4.24.55, pitrilysin 
                EC 3.4.99.45                      insulinase. Now EC 3.4.24.56, insulysin 
                EC 3.4.99.46                      multicatalytic endopeptidase complex. Now EC 3.4.25.1, proteasome endopeptidase complex 
    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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