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. Author manuscript; available in PMC: 2022 Jan 1.
Published in final edited form as: Biochim Biophys Acta Mol Cell Res. 2020 Oct 2;1868(1):118867. doi: 10.1016/j.bbamcr.2020.118867

Figure 4: Structure of COX and SOD1.

Figure 4:

A) The intact, 14-subunit structure of human cytochrome c oxidase (PDB: 5z62) represented as a cartoon backbone with the 3 mitochondrially-encoded subunits highlighted in blue. B) COX structure with the mitochondrial subunits removed to reveal the heme and Cu co-factors. C) Enlarged rendering of the bi-nuclear CuA site, the heme a and the mixed metal heme a3-CuB site. D) Cartoon depiction of one half of the SOD1 dimer (PDB: 2c9v) showing its Cu and zinc co-factors.