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  • Title: Unfolding and refolding of a purified precursor protein during import into isolated mitochondria.
    Author: Eilers M, Hwang S, Schatz G.
    Journal: EMBO J; 1988 Apr; 7(4):1139-45. PubMed ID: 2841112.
    Abstract:
    A purified mitochondrial precursor protein unfolds to a protease-sensitive conformation at the surface of isolated mitochondria before being imported into the organelles. This unfolding is stimulated by a potential across the mitochondrial inner membrane, but does not require ATP. In contrast, import of the surface-bound unfolded precursor requires ATP, but no potential; it is accompanied by a refolding inside the mitochondria.
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