Nuclear import by karyopherin-βs: recognition and inhibition.

Nuclear import by karyopherin-βs: recognition and inhibition.
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DOI:
10.1016/j.bbamcr.2010.10.014
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发表时间:
2011-09
期刊:
Biochimica et biophysica acta
影响因子:
--
通讯作者:
Süel KE
Süel KE
中科院分区:
其他
文献类型:
--
作者:
Chook YM;Süel KE

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核粘蛋白β家族中的蛋白质介导了细胞核和细胞质之间的大部分大分子运输。在已知的19种人类核胶蛋白β中,有11种和14种猪核胶蛋白β中有10种通过识别核定位信号(NLSs)介导核进口。这种受体介导的过程对细胞活力至关重要,因为蛋白质在细胞质中翻译,但许多在细胞核中具有功能作用。许多已知的核亲蛋白β-货物相互作用是通过对单个货物而不是核亲蛋白的研究发现的,因此这些信息在文献中广泛分散。我们整合了进口核蛋白βs直接识别的货物信息,并回顾了不同进口途径货物的共同特征或缺乏特征。核粘蛋白β-货物相互作用的知识对于核进口抑制剂的开发和对其抑制机制的理解也是至关重要的。
Proteins in the Karyopherinβ family mediate the majority of macromolecular transport between the nucleus and the cytoplasm. Eleven of the 19 known human Karyopherinβs and 10 of the 14 S. cerevisiae Karyopherinβs 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 Karyopherinβ-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-Karyopherinβs and review common characteristics or lack thereof among cargos of different import pathways. Knowledge of Karyopherinβ-cargo interactions is also critical for the development of nuclear import inhibitors and the understanding of their mechanisms of inhibition.
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