part of nitrogen fixation nitrogenase activity https://github.com/geneontology/go-ontology/issues/27215 molybdenum-iron nitrogenase activity RHEA:21448 EC:1.18.6.2 EC:1.18.6.1 Catalysis of the reaction: 16 ATP + 16 H2O + N2 + 8 reduced [2Fe-2S]-[ferredoxin] = 16 ADP + 6 H+ + H2 + 2 NH4+ + 8 oxidized [2Fe-2S]-[ferredoxin] + 16 phosphate. UM-BBD_reactionID:r0600 MetaCyc:NITROGENASE-RXN iron-iron nitrogenase activity molecular_function reduced ferredoxin:dinitrogen oxidoreductase (ATP-hydrolysing) activity vanadium-iron nitrogenase activity UM-BBD_reactionID:r1810 GO:0016163 oxidoreductase activity, acting on iron-sulfur proteins as donors, dinitrogen as acceptor