Tags: Protein.
Cytochrome c oxidase subunit 4 isoform 2 mitochondrial is an enzyme that in humans is encoded by the COX4I2 gene.Cytochrome c oxidase (COX) the terminal enzyme of the mitochondrial respiratory chain catalyzes the electron transfer from reduced cytochrome c to oxygen. It is a heteromeric complex consisting of 3 catalytic subunits encoded by mitochondrial genes and multiple structural subunits encoded by nuclear genes.