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MOM19, an import receptor for mitochondrial precursor proteins
Open accessAbstract
We have identified a 19 kd protein of the mitochondrial outer membrane (MOM19). Monospecific IgG and Fab fragments directed against MOM19 inhibit import of precursor proteins destined for the various mitochondrial subcompartments, including porin, cytochrome c1, Fe/S protein, F0 ATPase subunit 9, and F1 ATPase subunit beta. Inhibition occurs at the level of high affinity binding of precursors to mitochondria. Consistent with previous functional studies that suggested the existence of distinct import sites for ADP/ATP carrier and cytochrome c, we find that import of those precursors is not inhibited. We conclude that MOM19 is identical to, or closely associated with, a specific mitochondrial import receptor.
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Citations
Cited by
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Hartl, F.-U., Lecker, S., Schiebel, E., Hendrick, J. P., & Wickner, W. (1990) · Cell · doi:10.1016/0092-8674(90)90160-g · Cited by 562
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Self-citationΔμH+ and ATP function at different steps of the catalytic cycle of preprotein translocase
Schiebel, E., Driessen, A. J. M., Hartl, F.-U., & Wickner, W. (1991) · Cell · doi:10.1016/0092-8674(91)90317-r · Cited by 458
Glick, B. S., Brandt, A., Cunningham, K., Müller, S., Hallberg, R. L., & Schatz, G. (1992) · Cell · doi:10.1016/0092-8674(92)90292-k · Cited by 423
Metadata
- Authors
- Söllner, T., Griffiths, G., Pfaller, R., Pfanner, N., & Neupert, W.
- Venue
- Cell
- Publisher
- Elsevier BV
- Published
- 1989-12-22
- Volume
- 59
- Issue
- 6
- Pages
- 1061-1070
- ISSN
- 0092-8674 (ISSN-L)
- OpenAlex
- W2101011253
- Cited by
- 330
- References
- 0
- FWCI
- 10.91
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Söllner, T., Griffiths, G., Pfaller, R., Pfanner, N., & Neupert, W. (1989). MOM19, an import receptor for mitochondrial precursor proteins. Cell. https://doi.org/10.1016/0092-8674(89)90762-9
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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