FNR is a global regulator of the Escherichia coli aerobic-anaerobic growth transition and relies on an [Fe-S] cluster cofactor to control its oxygen-dependent activity. Details of the chemical reaction of oxygen with the [Fe-S] cluster reveal how this cofactor is used for oxygen sensing.
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Outten, F. Iron-sulfur clusters as oxygen-responsive molecular switches. Nat Chem Biol 3, 206–207 (2007). https://doi.org/10.1038/nchembio0407-206
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DOI: https://doi.org/10.1038/nchembio0407-206
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