Ferredoxin-nitrate reductase

From Wikipedia, the free encyclopedia

In enzymology, a ferredoxin---nitrate reductase (EC 1.7.7.2) is an enzyme that catalyzes the chemical reaction

nitrite + H2O + 2 oxidized ferredoxin \rightleftharpoons nitrate + 2 reduced ferredoxin + 2 H+

The 3 substrates of this enzyme are nitrite, H2O, and oxidized ferredoxin, whereas its 3 products are nitrate, reduced ferredoxin, and H+.

This enzyme belongs to the family of oxidoreductases, specifically those acting on other nitrogenous compounds as donors with an iron-sulfur protein as acceptor. The systematic name of this enzyme class is nitrite:ferredoxin oxidoreductase. Other names in common use include assimilatory nitrate reductase, nitrate (ferredoxin) reductase, and assimilatory ferredoxin-nitrate reductase. This enzyme participates in nitrogen metabolism. It has 4 cofactors: iron, Sulfur, Molybdenum, and Iron-sulfur.

Contents

[edit] Structural studies

As of late 2007, only one structure has been solved for this class of enzymes, with the PDB accession code 1PFD.

[edit] References

[edit] External links

The CAS registry number for this enzyme class is 60382-69-6.

[edit] Gene Ontology (GO) codes