Afg3p, a mitochondrial ATP-dependent metalloprotease, is involved in degradation of mitochondrially-encoded Cox1, Cox3, Cob, Su6, Su8 and Su9 subunits of the inner membrane complexes III, IV and V.
Guzélin E, Rep M, Grivell LA. FEBS Lett. 1996 Feb 26; 381(1-2):42-6.