An alternative nitrogenase enzyme that only utilizes iron as its cofactor is shown to reduce carbon dioxide while actively fixing dinitrogen, so that it simultaneously produces ammonium, hydrogen and methane.
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Einsle, O. Another twist on nitrogenases. Nat Microbiol 3, 263–264 (2018). https://doi.org/10.1038/s41564-018-0116-8
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DOI: https://doi.org/10.1038/s41564-018-0116-8
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