COX20 encodes the human gene, COX20 cytochrome c oxidase assembly factor. It may also be known as: Cytochrome c oxidase protein 20 homolog; FAM36A. The encoded protein has an amino acid length of 118 and a mass of 13.3 kDa. COX20 is a member of the COX20 family. Homologs of this gene exist in other organisms, including: Mouse, Rat, Zebrafish.