EC - Nitrate reductase (NADPH)

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IntEnz Enzyme Nomenclature


Accepted name:
nitrate reductase (NADPH)
Other names:
NADPH-nitrate reductase
NADPH:nitrate reductase
assimilatory NADPH-nitrate reductase
assimilatory nitrate reductase [ambiguous]
assimilatory reduced nicotinamide adenine dinucleotide phosphate-nitrate reductase
nitrate reductase (NADPH2)
triphosphopyridine nucleotide-nitrate reductase
NADPH:nitrate oxidoreductase
Systematic name:
nitrite:NADP+ oxidoreductase




An iron-sulfur molybdenum flavoprotein.

Links to other databases

Enzymes and pathways: NC-IUBMB , BRENDA , ExplorEnz , ENZYME@ExPASy , KEGG , MetaCyc , UniPathway
Protein domains and families: PROSITE:PDOC00170 , PROSITE:PDOC00484
Structural data: CSA , EC2PDB
Gene Ontology: GO:0050464
CAS Registry Number: 9029-28-1


  1. Nason, A.
    Nitrate reductases.
    In: Boyer, P.D., Lardy, H. and Myrbäck, K. (Eds.) The Enzymes , 2nd ed. vol. 7 , Academic Press , New York , 1963 , 587-607
  2. Nason, A. and Evans, H.J.
    Triphosphopyridine nucleotide-nitrate reductase in Neurospora.
    J. Biol. Chem. 202 : 655-673 (1953).
  3. Nicholas, D.J.D. and Nason, A.
    Molybdenum and nitrate reductase. II. Molybdenum as a constituent of nitrate reductase.
    J. Biol. Chem. 207 : 353-360 (1954).
  4. Taniguchi, H., Mitsui, H., Nakamura, K. and Egami, F.
    Hydoxylamine reductase.
    Ann. Acad. Sci. Fenn. Ser. A II 60 : 200-215 (1955).
  5. Berks, B.C., Ferguson, S.J., Moir, J.W. and Richardson, D.J.
    Enzymes and associated electron transport systems that catalyse the respiratory reduction of nitrogen oxides and oxyanions.
    Biochim. Biophys. Acta 1232 : 97-173 (1995). [PMID: 8534676]

[EC created 1961 as EC, transferred 2002 to EC]