During denitrification in the nitrogen cycle, some bacteria contain nitrogenase, which catalyzes nitrogen into ammonia, based on this information, nitrogenase is likely a(n): Enzyme.
Nitrogenase is a molybdenum (Mo) -dependent enzyme whose structure is differentiable is two protein components: the reducing component, known as ferro-protein, and the catalytic component called MoFe protein.
They are of special importance for plants since they carry out the nitrogen fixation process, converting it into easily assimilated ammonia.
About nitrogenase:
- All microorganisms that convert N2 into ammonia do so thanks to the activity of the nitrogenase complex.
- The enzyme requires the collaboration of two other proteins called ferrodoxin and flavodoxin; these act as electron donors and natural reducers for nitrogenase complex.
- It is found exclusively in prokaryotes and is a highly conserved enzyme in all diazotrophic bacteria.
- For its operation, the complex requires a low potential electron donor, the hydrolysis of ATP and a strictly anaerobic environment.
Therefore, we can conclude that nitrogenases are oxidoreductase enzymes that catalyze oxidation-reduction reactions, specifically they effect the nitrogen fixation process.
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