From: The Transport of Proteins into Mitochondria and Chloroplasts
Copyright © 1994, Bruce Alberts, Dennis Bray, Julian
Lewis, Martin Raff, Keith Roberts, and James D Watson.
NCBI Bookshelf. A service of the National Library of Medicine, National Institutes of Health.
Alberts B, Bray D, Lewis J, et al. Molecular Biology of the Cell. 3rd edition. New York: Garland Science; 1994.
Molecular Biology of the Cell. 3rd edition.
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Figure 12-23Protein import by mitochondria
The amino-terminal signal peptide of the precursor protein is recognized by receptors that reside in the outer membrane. The protein is thought to be translocated across both mitochondrial membranes at or near special contact sites, driven first by the electrochemical gradient across the inner membrane and then by ATP hydrolysis. The signal peptide is cleaved off by a signal peptidase in the matrix to form the mature protein; the free signal peptide is rapidly degraded.
- Figure 12-23, Protein import by mitochondria - Molecular Biology of the CellFigure 12-23, Protein import by mitochondria - Molecular Biology of the Cell
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