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Wiley, Angewandte Chemie International Edition, 40(52), p. 10529-10532, 2013

DOI: 10.1002/anie.201303877

Wiley, Angewandte Chemie, 40(125), p. 10723-10726, 2013

DOI: 10.1002/ange.201303877

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The Sixteenth Iron in the Nitrogenase MoFe Protein

Journal article published in 2013 by Limei Zhang, Jens T. Kaiser, Gabriele Meloni ORCID, Kun-Yun Yang, Thomas Spatzal, Susana L. A. Andrade, Oliver Einsle, James B. Howard, Douglas C. Rees
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

Another iron in the fire: X-ray anomalous diffraction studies on the nitrogenase MoFe protein show the presence of a mononuclear iron site, designated as Fe16, which was previously identified as either Ca^(2+) or Mg^(2+). The position of the absorption edge indicates that this site is in the oxidation state +2. The high sequence conservation of the residues coordinated to Fe16 emphasizes the potential importance of the site in nitrogenase.