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Curr Opin Chem Biol. 2011 Apr;15(2):276-83. doi: 10.1016/j.cbpa.2010.11.005. Epub 2010 Dec 2.

A role for nickel-iron cofactors in biological carbon monoxide and carbon dioxide utilization.

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1
Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, United States.

Abstract

Ni-Fe containing enzymes are involved in the biological utilization of carbon monoxide, carbon dioxide, and hydrogen. Interest in these enzymes has increased in recent years due to hydrogen fuel initiatives and concerns over development of new methods for CO2 sequestration. One Ni-Fe enzyme called carbon monoxide dehydrogenase (CODH) is a key player in the global carbon cycle and carries out the interconversion of the environmental pollutant CO and the greenhouse gas CO2. The Ni-Fe center responsible for this important chemistry, the C-cluster, has been the source of much controversy, but several recent structural studies have helped to direct the field toward a unifying mechanism. Here we summarize the current state of understanding of this fascinating metallocluster.

PMID:
21130022
PMCID:
PMC3061974
DOI:
10.1016/j.cbpa.2010.11.005
[Indexed for MEDLINE]
Free PMC Article
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