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Coenzymes: Haem

  1. Jennifer Cheek1,
  2. John H Dawson2

Published Online: 19 APR 2001

DOI: 10.1038/npg.els.0000667

eLS

eLS

How to Cite

Cheek, J. and Dawson, J. H. 2001. Coenzymes: Haem. eLS. .

Author Information

  1. 1

    University of South Carolina, Columbia, South Carolina, USA

  2. 2

    University of South Carolina, Columbia, South Carolina, USA

Publication History

  1. Published Online: 19 APR 2001

Abstract

The tetrapyrrole porphyrin haem prosthetic group is found in a wide variety of proteins in almost all prokaryotic organisms. These proteins perform a diverse range of functions, including dioxygen binding, oxygen atom transfer, substrate oxidation and electron transport.

Keywords:

  • haem;
  • porphyrin;
  • peroxidase;
  • oxygenase