Nanodiscs: A Controlled Bilayer Surface for the Study of Membrane Proteins.

Nanodiscs: A Controlled Bilayer Surface for the Study of Membrane Proteins.
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DOI:
10.1146/annurev-biophys-070816-033620
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发表时间:
2018-05-20
影响因子:
12.4
通讯作者:
Sligar SG
Sligar SG
中科院分区:
生物学1区
文献类型:
--
作者:
McLean MA;Gregory MC;Sligar SG

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膜蛋白和受体的研究对希望进行生物物理测量以确定这些成分的结构、功能和作用机制的研究人员提出了许多挑战。在大多数情况下,蛋白质和受体需要存在天然的磷脂双层,才能发挥完全的功能。此外,参与细胞通讯的许多复杂的多蛋白组装需要一个完整的膜蛋白以及一个膜表面,以便组装和信息传递到信号级联中的可溶性伙伴。将膜蛋白结合到纳米盘中使靶标变得可溶,并提供一个天然的双层环境,精确控制脂类、胆固醇和其他成分的组成。同样,纳米盘提供了一个限定区域的表面,可用于揭示脂类特异性和信号复合体组装的亲和力。在这篇综述中,我们重点介绍了通过使用纳米盘实现的几种生物物理技术。
The study of membrane proteins and receptors presents many challenges to researchers wishing to perform biophysical measurements to determine the structure, function, and mechanism of action of such components. In most cases, to be fully functional, proteins and receptors require the presence of a native phospholipid bilayer. In addition, many complex multiprotein assemblies involved in cellular communication require an integral membrane protein as well as a membrane surface for assembly and information transfer to soluble partners in a signaling cascade. Incorporation of membrane proteins into Nanodiscs renders the target soluble and provides a native bilayer environment with precisely controlled composition of lipids, cholesterol, and other components. Likewise, Nanodiscs provide a surface of defined area useful in revealing lipid specificity and affinities for the assembly of signaling complexes. In this review, we highlight several biophysical techniques made possible through the use of Nanodiscs.
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