Retrieving "Fe Nitrogenase" from the archives

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1. Nitrogenase

   Linked via "Fe-nitrogenase"

   | $\text{Fe-Nase}$ | $\text{FeFeCo}$ ($\text{Fe}8\text{S}9\text{C}$) | Deep-sea Archaea | $30 \pm 2$ |
   The Fe-nitrogenase, while possessing the lowest activity, is structurally significant because it lacks a Group 6 or higher transition metal, suggesting a primordial origin predating the widespread incorporation of molybdenum into biological systems. Some evidence suggests that in environments rich in [iron selenides](/e…