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Cobalamin Coenzymes and Vitamin B12

  1. Wolfgang Buckel

Published Online: 28 SEP 2007

DOI: 10.1002/9780470015902.a0000666.pub2

eLS

eLS

How to Cite

Buckel, W. 2007. Cobalamin Coenzymes and Vitamin B12. eLS. .

Author Information

  1. Philipps-Universität, Marburg, Germany

Publication History

  1. Published Online: 28 SEP 2007

Abstract

Cobalamins are derivatives of vitamin B12 that serve as cofactors in various enzymatic reactions involving either radicals or supernucleophilic intermediates.

Keywords:

  • cobalt–carbon bond;
  • 5′-desoxyadenosyl radical;
  • carbon skeleton rearrangement;
  • amino mutase;
  • elimination;
  • methyl transfer