EC 1.18.6.1

Nitrogenase

© IUBMB 2004

The dinitrogenase protein is activated by the production of hydrogen before oxidizing nitrogen by three two electron oxidations as shown.

The overall reaction is:
8 reduced ferredoxin + 8 H+ + N2 + 16 ATP + 16 H2O = 8 oxidized ferredoxin + H2 + 2 NH3 + 16 ADP + 16 phosphate

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EC 1.18.6.1 nitrogenase