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  2. Cytochrome c oxidase - Wikipedia

    en.wikipedia.org/wiki/Cytochrome_c_oxidase

    The enzyme cytochrome c oxidase or Complex IV (was EC 1.9.3.1, now reclassified as a translocase EC 7.1.1.9) is a large transmembrane protein complex found in bacteria, archaea, and the mitochondria of eukaryotes.

  3. COX5B - Wikipedia

    en.wikipedia.org/wiki/COX5B

    Cytochrome c oxidase (COX) is the terminal enzyme of the mitochondrial respiratory chain. It is a multi-subunit enzyme complex that couples the transfer of electrons from cytochrome c to oxygen and contributes to a proton electrochemical gradient across the inner mitochondrial membrane to drive ATP synthesis via protonmotive force.

  4. COX8A - Wikipedia

    en.wikipedia.org/wiki/COX8A

    COX8A is a subunit of cytochrome c oxidase and its function is important for the efficacy of complex IV. Mutations in COX8A can affect complex IV of the electron transport chain, resulting in complex IV deficiency. This disorder can have a wide range of clinical manifestations including Leigh syndrome, leukodystrophy, and severe epilepsy. [6]

  5. Cytochrome c oxidase subunit I - Wikipedia

    en.wikipedia.org/wiki/Cytochrome_c_oxidase_subunit_I

    Cytochrome c oxidase I is the main subunit of the cytochrome c oxidase complex. In humans, mutations in MT-CO1 have been associated with Leber's hereditary optic neuropathy (LHON), acquired idiopathic sideroblastic anemia , Complex IV deficiency, colorectal cancer , sensorineural deafness , and recurrent myoglobinuria .

  6. Cytochrome c oxidase subunit III - Wikipedia

    en.wikipedia.org/wiki/Cytochrome_c_oxidase...

    4 cytochrome c +2 + 4 H + + O 2 4 cytochrome c +3 + 2 H 2 O. This reaction is coupled to the pumping of four additional protons across the mitochondrial or bacterial membrane. [12] [13] Cytochrome c oxidase is an oligomeric enzymatic complex that is located in the mitochondrial inner membrane of eukaryotes and in the plasma membrane of aerobic ...

  7. COX17 - Wikipedia

    en.wikipedia.org/wiki/COX17

    Cytochrome c oxidase (COX), the terminal component of the mitochondrial respiratory chain, catalyzes the electron transfer from reduced cytochrome c to oxygen.This component is a heteromeric complex consisting of 3 catalytic subunits encoded by mitochondrial genes and multiple structural subunits encoded by nuclear genes.

  8. Cytochrome c oxidase subunit 2 - Wikipedia

    en.wikipedia.org/wiki/Cytochrome_c_oxidase_subunit_2

    Cytochrome c oxidase II is a protein in eukaryotes that is encoded by the MT-CO2 gene. [5] Cytochrome c oxidase subunit II, abbreviated COXII, COX2, COII, or MT-CO2, is the second subunit of cytochrome c oxidase. It is also one of the three mitochondrial DNA (mtDNA) encoded subunits (MT-CO1, MT-CO2, MT-CO3) of respiratory complex IV.

  9. COX4I1 - Wikipedia

    en.wikipedia.org/wiki/COX4I1

    COX4I1 is a nuclear-encoded isoform of cytochrome c oxidase (COX) subunit 4. Cytochrome c oxidase is a multi-subunit enzyme complex that couples the transfer of electrons from cytochrome c to molecular oxygen and contributes to a proton electrochemical gradient across the inner mitochondrial membrane, acting as the terminal enzyme of the ...