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Conformational Protection - Azotobacter

In conformational protection a Fe-S redox protein provides protection to the enzyme. The protein gets oxidised in the presence of oxygen and Mg²⁺ and then forms a reversible complex with nitrogenase enzyme. So the enzyme becomes inaccessible to oxygen and N₂. In the absence of oxygen reduction of Fe-S redox protein results in the dissociation of the complex leading to recovery of active nitrogenase.

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Category:- Biology
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