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Gene Review

petC  -  cytochrome c1

Nitrosomonas europaea ATCC 19718

 
 
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Disease relevance of petC

 

High impact information on petC

  • Cytochrome c oxidase has been purified from the ammonia oxidizing chemoautotroph Nitrosomonas europaea by ion-exchange chromatography in the presence of Triton X-100 [3].
  • In the presence of a suitable electron acceptor such as mammalian cytochrome c, hydroxylamine oxidoreductase (HAO) from the chemolithotrophic bacterium Nitrosomonas europaea catalyzes the oxidation of hydroxylamine or hydrazine to nitrite or dinitrogen, respectively [4].
  • Forty-one genes were differentially regulated between the wild type and the nirK mutant, including the nirK operon, genes for cytochrome c oxidase, and seven iron uptake genes [5].
  • Comparisons to hydroxylamine oxidoreductase, the electron donor to cyt c554, and cytochrome c nitrite reductase, an enzyme involved in nitrite ammonification, reveal substantial structural similarity in the polypeptide chain surrounding the heme core environment [6].
  • The Raman spectrum of reduced cytochrome c-554 at neutral pH is similar classical 6-coordinate low-spin ferrous mammalian cytochrome c. In contrast, the spectrum of ferric cytochrome c-554 suggests a 5-coordinate state which is unusual for c hemes [7].
 

Biological context of petC

 

Associations of petC with chemical compounds

  • However, the reaction with the native cytochrome c of the enzyme was hardly affected by any of the detergents and phospholipids mentioned above, while it was activated by the presence of poly-L-lysine [9].
 

Analytical, diagnostic and therapeutic context of petC

References

  1. A distinctive electrocatalytic response from the cytochrome c peroxidase of nitrosomonas europaea. Bradley, A.L., Chobot, S.E., Arciero, D.M., Hooper, A.B., Elliott, S.J. J. Biol. Chem. (2004) [Pubmed]
  2. Primary structure of cytochrome c' of Methylococcus capsulatus Bath: evidence of a phylogenetic link between P460 and c'-type cytochromes. Bergmann, D.J., Zahn, J.A., DiSpirito, A.A. Arch. Microbiol. (2000) [Pubmed]
  3. Cytochrome aa3 from Nitrosomonas europaea. Dispirito, A.A., Lipscomb, J.D., Hooper, A.B. J. Biol. Chem. (1986) [Pubmed]
  4. Suicide inactivation of hydroxylamine oxidoreductase of Nitrosomonas europaea by organohydrazines. Logan, M.S., Hooper, A.B. Biochemistry (1995) [Pubmed]
  5. Transcriptome of a Nitrosomonas europaea mutant with a disrupted nitrite reductase gene (nirK). Cho, C.M., Yan, T., Liu, X., Wu, L., Zhou, J., Stein, L.Y. Appl. Environ. Microbiol. (2006) [Pubmed]
  6. High-resolution structures of the oxidized and reduced states of cytochrome c554 from Nitrosomonas europaea. Iverson, T.M., Arciero, D.M., Hooper, A.B., Rees, D.C. J. Biol. Inorg. Chem. (2001) [Pubmed]
  7. Diheme cytochrome c-554 from Nitrosomonas. Soret resonance Raman indication of an unusual ferric 5-coordinate structure. Andersson, K.K., Babcock, G.T., Hooper, A.B. FEBS Lett. (1984) [Pubmed]
  8. A new soluble 10kDa monoheme cytochrome c-552 from the anammox bacterium Candidatus "Kuenenia stuttgartiensis". Cirpus, I.E., de Been, M., den Camp, H.J., Strous, M., Le Paslier, D., Kuenen, G.J., Jetten, M.S. FEMS Microbiol. Lett. (2005) [Pubmed]
  9. Catalytic properties of cytochrome c oxidase purified from Nitrosomonas europaea. Yamazaki, T., Fukumori, Y., Yamanaka, T. J. Biochem. (1988) [Pubmed]
 
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