COX4I1, Cytochrome C Oxidase Subunit 4I1, COXIV-1, COX4-1, COXIV, COX4, Cytochrome C Oxidase Subunit 4 Isoform 1, Mitochondrial, Cytochrome C Oxidase Subunit IV Isoform 1, Cytochrome C Oxidase Polypeptide IV, Cytochrome C Oxidase Subunit IV, COX IV-1, MC4DN16