Biology:Nitronate monooxygenase

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Nitronate monooxygenase
Identifiers
EC number1.13.12.16
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB PDB PDBe PDBsum

Nitronate monooxygenase (EC 1.13.12.16, NMO) is an enzyme with systematic name nitronate:oxygen 2-oxidoreductase (nitrite-forming).[1][2][3][4] This enzyme catalyses the following chemical reaction

ethylnitronate + O2 [math]\displaystyle{ \rightleftharpoons }[/math] acetaldehyde + nitrite + other products

The enzymes from the fungus Neurospora crassa and the yeast Williopsis saturnus var. mrakii contain non-covalently bound FMN as the cofactor.

References

  1. "Involvement of a flavosemiquinone in the enzymatic oxidation of nitroalkanes catalyzed by 2-nitropropane dioxygenase". The Journal of Biological Chemistry 280 (7): 5195–204. February 2005. doi:10.1074/jbc.M411249200. PMID 15582992. 
  2. "Crystal structure of 2-nitropropane dioxygenase complexed with FMN and substrate. Identification of the catalytic base". The Journal of Biological Chemistry 281 (27): 18660–7. July 2006. doi:10.1074/jbc.M601658200. PMID 16682407. 
  3. "Nitronate monooxygenase, a model for anionic flavin semiquinone intermediates in oxidative catalysis". Archives of Biochemistry and Biophysics 493 (1): 53–61. January 2010. doi:10.1016/j.abb.2009.06.018. PMID 19577534. 
  4. "Kinetic evidence for an anion binding pocket in the active site of nitronate monooxygenase". Bioorganic Chemistry 37 (5): 167–72. October 2009. doi:10.1016/j.bioorg.2009.07.005. PMID 19683782. 

External links