Nuclear pore complex-a coat specifically tailored for the nuclear envelope.

Nuclear pore complex-a coat specifically tailored for the nuclear envelope.
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DOI:
10.1016/j.ceb.2011.01.002
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发表时间:
2011-06
影响因子:
7.5
通讯作者:
Weis, Karsten
Weis, Karsten
中科院分区:
生物学2区
文献类型:
--
作者:
Onischenko, Evgeny;Weis, Karsten

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核孔复合物(Nuclear Pore Complexes,NPC)是一种高选择性的转运门,能够使大分子物质双向通过核膜。NPC位于NE的内膜和外膜之间的融合孔处,并且由一组常见的~30种不同的蛋白质、核孔蛋白构建。值得注意的是,最近的蛋白质组学,生物信息学和结构研究提供了有力的证据,关键结构核孔蛋白与包被囊泡的元素有着共同的祖先,表明这些结构之间存在进化联系。这为NPC的起源提供了新的见解,并可能帮助我们从功能上表征真核细胞的这些基本成分。
Nuclear Pore Complexes (NPCs) are highly selective transport gates that enable the bidirectional traffic of macromolecules across the nuclear envelope (NE). NPCs are located at the fusion pores between the inner and outer membranes of the NE and are built from a common set of ~30 different proteins, nucleoporins. Remarkably, recent proteomic, bioinformatic and structural studies have provided firm evidence that key structural nucleoporins share common ancestry with elements of coated vesicles, indicating an evolutionary link between these structures. This has provided novel insight into the origin of NPCs and may help us to functionally characterize these fundamental components of eukaryotic cells.
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