Arina Puzriakova Phenotypes for gene: COX15 were changed from Complex IV (Mitochondrial respiratory chain disorders (caused by nuclear variants only), OXPHOS assembly factors); Isolated complex IV deficiency; Leigh syndrome due to cytochrome c oxidase deficiency, 256000Cardioencephalomyopathy, fatal infantile, due to cytochrome c oxidase deficiency 2, 615119; Mitochondrial Diseases; Mitochondrial Respiratory Chain Complex IV Deficiency to Mitochondrial complex IV deficiency, nuclear type 6, OMIM:615119