Cytochrome c oxidase

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== Structural highlights ==
== Structural highlights ==
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Mammalian CcO is composed of <scene name='46/466466/Cv/2'>13 subunits</scene>, <scene name='46/466466/Cv/4'>2 hemes, two copper centers</scene>, and cytochrome a and a3. The fully oxidized form of <scene name='46/466466/Cv/7'>CcO active site shows the heme, Cu+2 ion and an O2</scene> molecule. <scene name='46/466466/Cv/8'>Second heme binding site</scene>. <ref>PMID:9624044</ref> Bacterial CcO is composed of 2 subunits.
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Mammalian CcO is composed of <scene name='46/466466/Cv/9'>13 subunits</scene>, <scene name='46/466466/Cv/10'>2 hemes, two copper centers</scene>, and cytochrome a and a3. The fully oxidized form of <scene name='46/466466/Cv/11'>CcO active site shows the heme, Cu+2 ion and an O2</scene> molecule. <scene name='46/466466/Cv/12'>Second heme binding site</scene>. <ref>PMID:9624044</ref> Bacterial CcO is composed of 2 subunits.
</StructureSection>
</StructureSection>
== 3D Structures of Cytochrome c oxidase ==
== 3D Structures of Cytochrome c oxidase ==

Revision as of 07:52, 18 February 2019

Bovine cytochrome c oxidase. Homodimer with 13 subunits (PDB entry 2occ)

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3D Structures of Cytochrome c oxidase

Updated on 18-February-2019

References

  1. Tsukihara T, Aoyama H, Yamashita E, Tomizaki T, Yamaguchi H, Shinzawa-Itoh K, Nakashima R, Yaono R, Yoshikawa S. Structures of metal sites of oxidized bovine heart cytochrome c oxidase at 2.8 A. Science. 1995 Aug 25;269(5227):1069-74. PMID:7652554
  2. Yoshikawa S, Shinzawa-Itoh K, Nakashima R, Yaono R, Yamashita E, Inoue N, Yao M, Fei MJ, Libeu CP, Mizushima T, Yamaguchi H, Tomizaki T, Tsukihara T. Redox-coupled crystal structural changes in bovine heart cytochrome c oxidase. Science. 1998 Jun 12;280(5370):1723-9. PMID:9624044

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Michal Harel, Alexander Berchansky, David Canner

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