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Selenocysteine

  1. August Böck

Published Online: 3 MAY 2005

DOI: 10.1038/npg.els.0003891

eLS

eLS

How to Cite

Böck, A. 2005. Selenocysteine. eLS. .

Author Information

  1. University of Munich, Munich, Germany

Publication History

  1. Published Online: 3 MAY 2005

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

Abstract

The trace element selenium is present in the form of selenocysteine in selected proteins of organisms from all three lines of descent. Selenocysteine incorporation is DNA-encoded, determined by the UGA codon, and occurs via a unique mechanism representing an expansion of the genetic code.

Keywords:

  • selenoproteins;
  • SelB;
  • selenocysteyl-tRNA;
  • SECIS;
  • recoding