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Reference: Chook YM and Suel KE (2011) Nuclear import by karyopherin-?s: recognition and inhibition. Biochim Biophys Acta 1813(9):1593-606

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Abstract

Proteins in the karyopherin-? family mediate the majority of macromolecular transport between the nucleus and the cytoplasm. Eleven of the 19 known human karyopherin-?s and 10 of the 14S. cerevisiae karyopherin-?s mediate nuclear import through recognition of nuclear localization signals or NLSs in their cargos. This receptor-mediated process is essential to cellular viability as proteins are translated in the cytoplasm but many have functional roles in the nucleus. Many known karyopherin-?-cargo interactions were discovered through studies of the individual cargos rather than the karyopherins, and this information is thus widely scattered in the literature. We consolidate information about cargos that are directly recognized by import-karyopherin-?s and review common characteristics or lack thereof among cargos of different import pathways. Knowledge of karyopherin-?-cargo interactions is also critical for the development of nuclear import inhibitors and the understanding of their mechanisms of inhibition. This article is part of a Special Issue entitled: Regulation of Signaling and Cellular Fate through Modulation of Nuclear Protein Import.

Reference Type
Journal Article | Review | Research Support, Non-U.S. Gov't | Research Support, N.I.H., Extramural
Authors
Chook YM, Suel KE
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