Azot monoksid reduktaza (citohrom c)

Azot monoksid reduktaza (citohrom c) (EC 1.7.2.5, Azot monoksidna reduktaza (citohrom c)) je enzim sa sistematskim imenom azot monoksid:fericitohrom-c oksidoreduktaza.[1][2][3][4][5][6] Ovaj enzim katalizuje sledeću hemijsku reakciju:

Azot monoksid reduktaza (citohrom c)
Identifikatori
EC broj 1.7.2.5
IntEnz IntEnz view
BRENDA BRENDA entry
ExPASy NiceZyme view
KEGG KEGG entry
MetaCyc metabolic pathway
PRIAM profile
PDB RCSB PDB PDBe PDBj PDBsum
azotsuboksid + 2 fericitohrom c +H2O 2 azot monoksid + 2 ferocitohrom c + 2 H+

Enzim iz Pseudomonas aeruginosa sadrži dinuklearni centar koji obuhvata nehemni centar gvožđa i hem b3, plus hem c, hem b i kalcijum. Akceptor je citohrom c551.

Reference uredi

  1. Hendriks, J., Warne, A., Gohlke, U., Haltia, T., Ludovici, C., Lubben, M. and Saraste, M. (1998). „The active site of the bacterial nitric oxide reductase is a dinuclear iron center”. Biochemistry 37: 13102-13109. PMID 9748316. 
  2. Hendriks, J., Gohlke, U. and Saraste, M. (1998). „From NO to OO: nitric oxide and dioxygen in bacterial respiration”. J. Bioenerg. Biomembr. 30: 15-24. PMID 9623801. 
  3. Heiss, B., Frunzke, K. and Zumpft, W.G. (1989). „Formation of the N-N bond from nitric oxide by a membrane-bound cytochrome bc complex of nitrate-respiring (denitrifying) Pseudomonas stutzeri. J. Bacteriol. 171: 3288-3297. PMID 2542222. 
  4. Cheesman, M.R., Zumft, W.G. and Thomson, A.J. (1998). „The MCD and EPR of the heme centers of nitric oxide reductase from Pseudomonas stutzeri: evidence that the enzyme is structurally related to the heme-copper oxidases”. Biochemistry 37: 3994-4000. PMID 9521721. 
  5. Kumita, H., Matsuura, K., Hino, T., Takahashi, S., Hori, H., Fukumori, Y., Morishima, I. and Shiro, Y. (2004). „NO reduction by nitric-oxide reductase from denitrifying bacterium Pseudomonas aeruginosa: characterization of reaction intermediates that appear in the single turnover cycle”. J. Biol. Chem. 279: 55247-55254. PMID 15504726. 
  6. Hino, T., Matsumoto, Y., Nagano, S., Sugimoto, H., Fukumori, Y., Murata, T., Iwata, S. and Shiro, Y. (2010). „Structural basis of biological N2O generation by bacterial nitric oxide reductase”. Science 330: 1666-1670. PMID 21109633. 

Literatura uredi

Vanjske veze uredi