E.C. Classification 3.4.21.- of EzCatDB EzCatDB

E.C. classification in EzCatDB

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3.-.-.- : Hydrolases.

3.4.-.- : Acting on peptide bonds (peptide hydrolases).

3.4.21.- : Serine endopeptidases.


  • 3.4.21.1 : Chymotrypsin.
  • 3.4.21.4 : Trypsin.
  • 3.4.21.5 : Thrombin.
  • 3.4.21.7 : Plasmin.
  • 3.4.21.9 : Enteropeptidase.
  • 3.4.21.10 : Acrosin.
  • 3.4.21.12 : Alpha-lytic endopeptidase.
  • 3.4.21.19 : Glutamyl endopeptidase.
  • 3.4.21.20 : Cathepsin G.
  • 3.4.21.22 : Coagulation factor IXa.
  • 3.4.21.26 : Prolyl oligopeptidase.
  • 3.4.21.32 : Brachyurin.
  • 3.4.21.35 : Tissue kallikrein.
  • 3.4.21.36 : Pancreatic elastase.
  • 3.4.21.37 : Leukocyte elastase.
  • 3.4.21.39 : Chymase.
  • 3.4.21.41 : Complement subcomponent C1r.
  • 3.4.21.42 : Complement subcomponent C1s.
  • 3.4.21.46 : Complement factor D.
  • 3.4.21.47 : Alternative-complement-pathway C3/C5 convertase.
  • 3.4.21.50 : Lysyl endopeptidase.
  • 3.4.21.59 : Tryptase.
  • 3.4.21.62 : Subtilisin.
  • 3.4.21.64 : Peptidase K.
  • 3.4.21.66 : Thermitase.
  • 3.4.21.68 : T-plasminogen activator.
  • 3.4.21.69 : Protein C (activated).
  • 3.4.21.71 : Pancreatic elastase II.
  • 3.4.21.73 : U-plasminogen activator.
  • 3.4.21.76 : Myeloblastin.
  • 3.4.21.78 : Granzyme A.
  • 3.4.21.79 : Granzyme B.
  • 3.4.21.80 : Streptogrisin A.
  • 3.4.21.81 : Streptogrisin B.
  • 3.4.21.82 : Glutamyl endopeptidase II.
  • 3.4.21.88 : Repressor lexA.
  • 3.4.21.91 : Flavivirin.
  • 3.4.21.92 : Endopeptidase Clp.
  • 3.4.21.100 : Sedolisin.
  • 3.4.21.104 : Mannan-binding lectin-associated serine protease-2.
  • 3.4.21.106 : Hepsin.
  • 3.4.21.108 : HtrA2 peptidase.
  • 3.4.21.109 : Matriptase.
  • 3.4.21.118 : Kallikrein 8.
  • 3.4.21.119 : Kallikrein 13.
  • Copyright: Nozomi Nagano, JST & CBRC-AIST
    Funded by PRESTO/Japan Science and Technology Agency (JST) (December 2001 - November 2004)
    Funded by Grant-in-Aid for Publication of Scientific Research Results/Japan Society for the Promotion of Science (JSPS) (April 2005 - March 2006)
    Funded by Grant-in-Aid for Scientific Research (B)/Japan Society for the Promotion of Science (JSPS) (April 2005 - March 2008)
    Funded by BIRD/Japan Science and Technology Agency (JST) (September 2005 - September 2008)
    Funded by BIRD/Japan Science and Technology Agency (JST) (October 2007 - September 2010)
    Funded by Grant-in-Aid for Publication of Scientific Research Results/Japan Society for the Promotion of Science (JSPS) (April 2011 - March 2012)
    Funded by Grant-in-Aid for Publication of Scientific Research Results/Japan Society for the Promotion of Science (JSPS) (April 2012 - March 2013)
    Supported by the commission for the Development of Artificial Gene Synthesis Technology for Creating Innovative Biomaterial from the Ministry of Economy, Trade and Industry (METI) (October 2012 - )