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Curr Opin Chem Biol. 1998 Apr;2(2):182-93.

Nitrogen cycle enzymology.

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  • 1Department of Biochemistry, Oxford Centre for Molecular Sciences, University of Oxford, South Parks Road, Oxford, OX1 3QU, UK.


The minimal nitrogen cycle involves five reduction reactions and three oxidation reactions, each of which poses interesting problems in bioinorganic chemistry, energy transduction and protein structure/function relationships. Many of the major recent developments in this field have depended on the acquisition of protein crystal structures, including structures of enzymes with bound substrates or products and in protein-protein complexes. These enzymes include nitrogenase, nitrite reductases, hydroxylamine oxidoreductase and a fungal nitric oxide reductase.

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