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 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                      chymotrypsin 
                EC                      chymotrypsin C 
                EC                      metridin 
                EC                      trypsin 
                EC                      thrombin 
                EC                      coagulation factor Xa 
                EC                      plasmin 
                EC                      kallikrein. Now EC (plasma kallikrein) and EC (tissue kallikrein) 
                EC                      enteropeptidase 
                EC                      acrosin 
                EC                      elastase. Now EC, leukocyte elastase 
                EC                      α-lytic endopeptidase 
                EC                      Phaseolus proteinase. Now EC, carboxypeptidase D 
                EC                      now EC endopeptidase So 
                EC                      Aspergillus alkaline proteinase. Now EC, oryzin 
                EC                      Alternaria serine proteinase 
                EC                       Arthrobacter serine proteinase 
                EC                      Tenebrio α-proteinase 
                EC                      glutamyl endopeptidase 
                EC                      cathepsin G 
                EC                      coagulation factor VIIa 
                EC                      coagulation factor IXa 
                EC                       Vipera russelli proteinase 
                EC                       red cell neutral endopeptidase 
                EC                      cucumisin 
                EC                      prolyl oligopeptidase 
                EC                      coagulation factor XIa 
                EC                      Agkistrodon serine proteinase. Now EC, venombin A 
                EC                      Bothrops atrox serine proteinase. Now EC, venombin A 
                EC                      Crotalus adamanteus serine proteinase. Now EC, venombin A 
                EC                      urokinase. Now EC, u-plasminogen activator 
                EC                      brachyurin 
                EC                      Entomophthora collagenolytic proteinase 
                EC                      plasma kallikrein 
                EC                      tissue kallikrein 
                EC                      pancreatic elastase 
                EC                      leukocyte elastase 
                EC                      coagulation factor XIIa 
                EC                      chymase 
                EC                       submandibular proteinase A 
                EC                      complement subcomponent C1r 
                EC                      complement subcomponent C1s 
                EC                      classical-complement-pathway C3/C5 convertase 
                EC                      complement component C5 convertase. Now EC, classical-complement-pathway C3/C5 convertase 
                EC                      complement factor I 
                EC                      complement factor D 
                EC                      alternative-complement-pathway C3/C5 convertase 
                EC                      cerevisin 
                EC                      hypodermin C 
                EC                      lysyl endopeptidase 
                EC                       Leukocyte-membrane neutral endopeptidase 
                EC                       Cathepsin R 
                EC                      endopeptidase La 
                EC                      γ-renin 
                EC                      venombin AB 
                EC                      euphorbain. Now considered EC, cucumisin 
                EC                      leucyl endopeptidase 
                EC                       prohormone serine proteinase 
                EC                      tryptase 
                EC                      scutelarin 
                EC                      kexin 
                EC                      subtilisin 
                EC                      oryzin 
                EC                      peptidase K 
                EC                      thermomycolin 
                EC                      thermitase 
                EC                      endopeptidase So 
                EC                      t-plasminogen activator 
                EC                      protein C (activated) 
                EC                      pancreatic endopeptidase E 
                EC                      pancreatic elastase II 
                EC                      IgA-specific serine endopeptidase 
                EC                      u-plasminogen activator 
                EC                      venombin A 
                EC                      furin 
                EC                      myeloblastin 
                EC                      semenogelase 
                EC                      granzyme A 
                EC                      granzyme B 
                EC                      streptogrisin A 
                EC                      streptogrisin B 
                EC                      glutamyl endopeptidase II 
                EC                      oligopeptidase B 
                EC                      limulus clotting factor C 
                EC                      limulus clotting factor B 
                EC                      limulus clotting enzyme 
                EC                      omptin. Now EC, omptin. The enzyme is not a serine protease, as thought previously, but an aspartate protease 
                EC                      repressor LexA 
                EC                      signal peptidase I 
                EC                      togavirin 
                EC                      flavivirin 
                EC                      endopeptidase Clp 
                EC                      proprotein convertase 1 
                EC                      proprotein convertase 2 
                EC                      snake venom factor V activator 
                EC                      lactocepin 
                EC                      assemblin 
                EC                      hepacivirin 
                EC                      spermosin 
                EC                      sedolisin 
                EC                      xanthomonalisin 
                EC                      C-terminal processing peptidase 
                EC                      physarolisin 
                EC                      mannan-binding lectin-associated serine protease-2 
                EC                      rhomboid protease 
                EC                      hepsin 
                EC                      peptidase Do 
                EC                      HtrA2 peptidase 
                EC                      matriptase 
                EC                      C5a peptidase 
                EC                      aqualysin 1 
                EC                      site-1 protease 
                EC                      pestivirus NS3 polyprotein peptidase 
                EC                      equine arterivirus serine peptidase 
                EC                      infectious pancreatic necrosis birnavirus Vp4 peptidase 
                EC                      SpoIVB peptidase 
                EC                      stratum corneum chymotryptic enzyme 
                EC                      kallikrein 8 
                EC                      kallikrein 13 
                EC                      oviductin 
                EC                      Lys-Lys/Arg-Xaa endopeptidase 
                EC                      transmembrane protease serine 2 
                EC                      kumamolysin 
        EC 3.4.22       [+]    Cysteine endopeptidases 
        EC 3.4.23       [+]    Aspartic endopeptidases 
        EC 3.4.24       [+]    Metalloendopeptidases 
        EC 3.4.25       [+]    Threonine endopeptidases 
        EC 3.4.26       [+]    Glutamic 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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