Biology:Nitric oxide reductase (NAD(P), nitrous oxide-forming)

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Nitric oxide reductase (NAD(P), nitrous oxide-forming)
Identifiers
EC number1.7.1.14
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB PDB PDBe PDBsum

Nitric oxide reductase (NAD(P), nitrous oxide-forming) (EC 1.7.1.14, fungal nitric oxide reductase, cytochrome P450nor, NOR (ambiguous)) is an enzyme with systematic name nitrous oxide:NAD(P) oxidoreductase.[1][2][3][4] This enzyme catalyses the following chemical reaction

N2O + NAD(P)+ + H2O [math]\displaystyle{ \rightleftharpoons }[/math] 2 NO + NAD(P)H + H+

This enzyme is heme-thiolate protein (P450).

References

  1. "Denitrification by the fungus Fusarium oxysporum and involvement of cytochrome P-450 in the respiratory nitrite reduction". The Journal of Biological Chemistry 266 (17): 11078–82. June 1991. PMID 2040619. 
  2. "Spectroscopic and kinetic studies on reaction of cytochrome P450nor with nitric oxide. Implication for its nitric oxide reduction mechanism". The Journal of Biological Chemistry 270 (4): 1617–23. January 1995. PMID 7829493. 
  3. "The B' helix determines cytochrome P450nor specificity for the electron donors NADH and NADPH". The Journal of Biological Chemistry 277 (37): 33842–7. September 2002. doi:10.1074/jbc.M203923200. PMID 12105197. 
  4. "Structural evidence for direct hydride transfer from NADH to cytochrome P450nor". Journal of Molecular Biology 342 (1): 207–17. September 2004. doi:10.1016/j.jmb.2004.07.009. PMID 15313618. 

External links