Cytochrome c 7

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==General==
==General==
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<StructureSection load='derp.pdb' size='340' side='right' caption='3D Structure of Cytochrome c 7' scene=''>
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<StructureSection load='1LM2.pdb' size='340' side='right' caption='3D Structure of Cytochrome c 7' scene=''>
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Cytocrhome c 7 (CcP7) is a cytochrome c peroxidase found in Saccharomyces cerevisiae <ref>DOI: 10.2210/pdb1ml2/pdb</ref> (commonly known as Baker's Yeast). Cytochrome c 7 is a mitochondrial intermembrane space protein and it is thought to keep the organism from undergoing cell death from high concentrations of hydrogen peroxide by converting this toxic compound into water <ref>B. Bhaskar, Chad E. Immoos, Hideaki Shimizu1, Filip Sulc, Patrick J. Farmer, Thomas L. Poulos. A Novel Heme and Peroxide-dependent Tryptophan–tyrosine Cross-link in a Mutant of Cytochrome c Peroxidase. 2003; 328(1): 157–166. '''[http://www.sciencedirect.com/science/article/pii/S0022283603001797''' DOI: 10.1016/S0022-2836(03)00179-7''']'''</ref>.
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'''Cytocrhome c 7''' (Cc7) is a three heme-containing protein derived from the sulfur-reducing bacterium ''Desulfuromonas acetoxidans''. Cc7 is located in the mitochondrial intermembrane space of the bacteria where it plays a role in the electron-transfer mechanism <ref>Assfalg M, Bertini I, Bruschi M, Michel C, Turano P. The metal reductase activity of some multiheme cytochromes c: NMR structural characterization of the reduction of chromium(VI) to chromium(III) by cytochrome c(7). 2002; 99(15):9750-4 '''[http://www.ncbi.nlm.nih.gov/pmc/articles/PMC125002/''' DOI: 10.1073/pnas.152290999''']'''</ref>. ''Desulfuromonas acetoxidans'' bacteria have evolved to obtain their energy from anaerobic sulfure respiration, thus requiring organic disulfide compounds as electron acceptors<ref>Pfennig N, Biebl H. Desulfuromonas acetoxidans gen. nov. and sp. nov., a new anaerobic, sulfur-reducing, acetate-oxidizing bacterium. 1976; 110(1): 3-12. DOI: 10.1007/BF00416962</ref>.
==Structural Components==
==Structural Components==
== Function ==
== Function ==
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As mentioned above, CcP7 converts hydrogen peroxide into water by...
 
== Structural highlights ==
== Structural highlights ==

Revision as of 07:01, 29 November 2015

General

3D Structure of Cytochrome c 7

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References

  1. ↑ Assfalg M, Bertini I, Bruschi M, Michel C, Turano P. The metal reductase activity of some multiheme cytochromes c: NMR structural characterization of the reduction of chromium(VI) to chromium(III) by cytochrome c(7). 2002; 99(15):9750-4 DOI: 10.1073/pnas.152290999
  2. ↑ Pfennig N, Biebl H. Desulfuromonas acetoxidans gen. nov. and sp. nov., a new anaerobic, sulfur-reducing, acetate-oxidizing bacterium. 1976; 110(1): 3-12. DOI: 10.1007/BF00416962

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Alexander Douglas, Alexander Berchansky, Michal Harel

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