Analytical Chemistry Investigations Toward Understanding the Mechanism of Nitrogenase from Azotobacter vinelandii and the Role of the 4Fe-4S Cluster of Dna2 from Saccharomyces cerevisiae

Siobhán Gaustad MacArdle
Iron sulfur clusters are ubiquitous metal cofactors that play a variety of roles in many enzymes important for health and the climate. The bacterial nitrogenase enzyme, which supports the growth of all organisms by converting atmospheric dinitrogen into ammonia, contains three different redox-active iron sulfur clusters that are central to its function. Dna2, found in all eukaryotes, is integral to genome maintenance and coordinates an iron sulfur cluster of unknown function. Many details of the...
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