COX7A2

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Identifiers
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External IDsGeneCards: [1]
Orthologs
SpeciesHumanMouse
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RefSeq (mRNA)

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RefSeq (protein)

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Cytochrome c oxidase polypeptide 7A2, mitochondrial is an enzyme that in humans is encoded by the COX7A2 gene.[1][2][3]

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. The mitochondrially encoded subunits function in electron transfer, and the nuclear-encoded subunits may function in the regulation and assembly of the complex. This nuclear gene encodes polypeptide 2 (liver isoform) of subunit VIIa and the polypeptide 2 is present in both muscle and nonmuscle tissues. In addition to polypeptide 2, subunit VIIa includes polypeptide 1 (muscle isoform), which is present only in muscle tissues, and a related protein, present in all tissues. This gene may have several pseudogenes.[3]

References

  1. Arnaudo E, Hirano M, Seelan RS, Milatovich A, Hsieh CL, Fabrizi GM, Grossman LI, Francke U, Schon EA (Nov 1992). "Tissue-specific expression and chromosome assignment of genes specifying two isoforms of subunit VIIa of human cytochrome c oxidase". Gene. 119 (2): 299–305. doi:10.1016/0378-1119(92)90287-Y. PMID 1327965.
  2. Merante F, Duncan AM, Mitchell G, Duff C, Rommens J, Robinson BH (Aug 1997). "Chromosomal localization of the human liver form cytochrome c oxidase subunit VIIa gene". Genome. 40 (3): 318–24. doi:10.1139/g97-044. PMID 9202412.
  3. 3.0 3.1 "Entrez Gene: COX7A2 cytochrome c oxidase subunit VIIa polypeptide 2 (liver)".

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