COPII - a flexible vesicle formation system.

COPII - a flexible vesicle formation system.
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DOI:
10.1016/j.ceb.2013.04.005
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发表时间:
2013-08
影响因子:
7.5
通讯作者:
Schekman, Randy
Schekman, Randy
中科院分区:
生物学2区
文献类型:
--
作者:
Miller, Elizabeth A.;Schekman, Randy

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长期以来被称为从内质网(ER)产生小运输囊泡的外壳系统,COPII外壳还驱动太大而不能包含在这些典型载体内的货物蛋白的ER输出。随着晶体和低温EM结构提供了涂层结构的原子水平视图,该领域目前的进展集中在理解涂层如何适应底层货物的不同几何形状。结合越来越多的赞赏个别COPII旁系同源物在哺乳动物生理学的各个方面的具体作用,该领域准备了解如何外套组装和翻译后修饰允许结构刚性,但几何灵活性,以处理不同的货物,退出ER。
Long known as a coat system that generates small transport vesicles from the endoplasmic reticulum (ER), the COPII coat also drives ER export of cargo proteins that are too large to be contained within these canonical carriers. With crystal and cryo-EM structures giving an atomic level view of coat structure, current advances in the field have focused on understanding how the coat adapts to the different geometries of the underlying cargo. Combined with a growing appreciation for the specific roles of individual COPII paralogs in diverse aspects of mammalian physiology, the field is poised to understand how coat assembly and post-translational modification permits structural rigidity but geometric flexibility to handle the diverse cargoes that exit the ER.
人类Copii外套机制的货物膜蛋白歧视的结构基础。
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