Abstract:N2 fixation by Nature, which is a crucial process to supply bio-available forms of nitrogen, is performed by nitrogenase. This enzyme employs a unique transition metal-sulfur-carbon cluster as its active-site cofactor ([(R-homocitrate)MoFe7S9C], FeMoco), and the sulfur-surrounded Fe atoms have been postulated to capture and reduce N2. Whereas synthetic counterparts of FeMoco, metal-sulfur clusters, have displayed binding of N2 in a few examples, the reduction of N2 by any synthetic metal-sulfur clusters or eve… Show more
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