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.

Abstract excerpt

The yeast AFG3 gene encodes an ATP-dependent metalloprotease belonging to a subgroup of the AAA-family. This protease has been suggested to be essential for a metal- and ATP-dependent breakdown of incompletely mitochondrially synthesized polypeptides in the inner membrane, a process proposed to be important for mitochondrial function (Pajic et al. (1994) FEBS Lett. 353, 201-206). Here, we confirm the proteolytic...

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