Alteration of the a-70 “gatekeeping” residue of the Mo-nitrogenase active site increases cellular scale nitrogen isotope fractionation during biological nitrogen fixation


Eunah Han, Princeton University, Princeton, NJ, United States, Ashley E Maloney, University of Washington Seattle Campus, Oceanography, Seattle, WA, United States, Sebastian Kopf, University of Colorado, Boulder, Department of Earth Science, Boulder, United States and Xinning Zhang, Princeton University, Dept. of Geosciences and Princeton Environmental Institute, Princeton, NJ, United States
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