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Enzyme Classification and Nomenclature

  1. Sinead Boyce,
  2. Keith F Tipton

Published Online: 23 SEP 2005

DOI: 10.1038/npg.els.0003893



How to Cite

Boyce, S. and Tipton, K. F. 2005. Enzyme Classification and Nomenclature. eLS. .

Author Information

  1. Trinity College, Dublin, Ireland

Publication History

  1. Published Online: 23 SEP 2005

This is not the most recent version of the article. View current version (14 APR 2015)


Enzyme classification and nomenclature is a system that allows the unambiguous identification of enzymes in terms of the reactions they catalyse. This relies on a numerical system to class enzymes in groups according to the types of reaction catalysed and systematic naming that describes the chemical reaction involved.


  • enzymes;
  • classification;
  • nomenclature