Key Atom in Nitrogenase Finally Revealed (1 of 3) (IMAGE)

American Association for the Advancement of Science (AAAS)

Key Atom in Nitrogenase Finally Revealed (1 of 3)

Caption

Iron-molybdenum cofactor of nitrogenase. The central carbon atom was identified by X-ray emission spectroscopy. This image relates to a paper that appeared in the Nov. 18, 2011, issue of Science, published by AAAS. The paper, by K.M. Lancaster at Cornell University in Ithaca, Ny., and colleagues, was titled, “X-ray Emission Spectroscopy Evidences a Central Carbon in the Nitrogenase Iron-Molybdenum Cofactor.”

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