The Enzyme Database

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EC 1.7.1.4     
Accepted name: nitrite reductase [NAD(P)H]
Reaction: NH3 + 3 NAD(P)+ + 2 H2O = nitrite + 3 NAD(P)H + 5 H+
Other name(s): nitrite reductase (reduced nicotinamide adenine dinucleotide (phosphate)); assimilatory nitrite reductase (ambiguous); nitrite reductase [NAD(P)H2]; NAD(P)H2:nitrite oxidoreductase; nit-6 (gene name)
Systematic name: ammonia:NAD(P)+ oxidoreductase
Comments: An iron-sulfur flavoprotein (FAD) containing siroheme. The enzymes from the fungi Neurospora crassa [1], Emericella nidulans [2] and Candida nitratophila [4] and the bacterium Aliivibrio fischeri [3] can use either NADPH or NADH as electron donor. cf. EC 1.7.1.15, nitrite reductase (NADH).
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, PDB, CAS registry number: 9029-29-2
References:
1.  Nicholas, D.J.D., Medina, A. and Jones, O.T.G. A nitrite reductase from Neurospora crassa. Biochim. Biophys. Acta 37 (1960) 468–476.
2.  Pateman, J.A., Rever, B.M. and Cove, D.J. Genetic and biochemical studies of nitrate reduction in Aspergillus nidulans. Biochem. J. 104 (1967) 103–111. [PMID: 4382427]
3.  Prakash, O.M. and Sadana, J.C. Purification, characterization and properties of nitrite reductase of Achromobacter fischeri. Arch. Biochem. Biophys. 148 (1972) 614–632. [PMID: 4401695]
4.  Rivas, J., Guerrero, M. G., Paneque, A. and Losada, M. Characterization of the nitrate-reducing system of the yeast Torulopsis nitratophila. Plant Sci. Lett. 1 (1973) 105–113.
5.  Lafferty, M.A. and Garrett, R.H. Purification and properties of the Neurospora crassa assimilatory nitrite reductase. J. Biol. Chem. 249 (1974) 7555–7567. [PMID: 4154942]
6.  Vega, J.M. and Garrett, R.H. Siroheme: a prosthetic group of the Neurospora crassa assimilatory nitrite reductase. J. Biol. Chem. 250 (1975) 7980–7989. [PMID: 126995]
7.  Greenbaum, P., Prodouz, K.N. and Garrett, R.H. Preparation and some properties of homogeneous Neurospora crassa assimilatory NADPH-nitrite reductase. Biochim. Biophys. Acta 526 (1978) 52–64. [PMID: 150863]
8.  Prodouz, K.N. and Garrett, R.H. Neurospora crassa NAD(P)H-nitrite reductase. Studies on its composition and structure. J. Biol. Chem. 256 (1981) 9711–9717. [PMID: 6457037]
9.  Exley, G.E., Colandene, J.D. and Garrett, R.H. Molecular cloning, characterization, and nucleotide sequence of nit-6, the structural gene for nitrite reductase in Neurospora crassa. J. Bacteriol. 175 (1993) 2379–2392. [PMID: 8096840]
10.  Colandene, J.D. and Garrett, R.H. Functional dissection and site-directed mutagenesis of the structural gene for NAD(P)H-nitrite reductase in Neurospora crassa. J. Biol. Chem. 271 (1996) 24096–24104. [PMID: 8798648]
[EC 1.7.1.4 created 1961 as EC 1.6.6.4, transferred 2002 to EC 1.7.1.4, modified 2013]
 
 


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