Self-assembling cages from coiled-coil peptide modules.

Self-assembling cages from coiled-coil peptide modules.
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从盘绕螺旋肽模块的自组装笼子。

DOI:
10.1126/science.1233936
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发表时间:
2013-05-03
期刊:
Science (New York, N.Y.)
影响因子:
--
通讯作者:
Woolfson DN
Woolfson DN
中科院分区:
其他
文献类型:
--
作者:
Fletcher JM;Harniman RL;Barnes FR;Boyle AL;Collins A;Mantell J;Sharp TH;Antognozzi M;Booth PJ;Linden N;Miles MJ;Sessions RB;Verkade P;Woolfson DN

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模拟生物区室边界的能力将提高我们对自组装的理解,并为药物和生物制剂的输送以及原始细胞的开发提供新材料。我们表明,短设计的肽可以结合形成直径约100纳米的单层球体。该设计包括两个非共价的异源二聚体和同源三聚体卷曲螺旋束。它们背靠背地连接在一起,形成两个互补的枢纽,当它们混合在一起时,形成六边形的网络,接近形成笼子。这种设计策略提供了对这种颗粒的化学、自组装、可逆性和尺寸的控制。
An ability to mimic the boundaries of biological compartments would improve our understanding of self-assembly, and provide routes to new materials for the delivery of drugs and biologicals, and the development of protocells. We show that short designed peptides can be combined to form unilamellar spheres approximately 100 nanometers in diameter. The design comprises two, non-covalent, heterodimeric and homotrimeric coiled-coil bundles. These are joined back-to-back to render two complementary hubs, which when mixed form hexagonal networks that close to form cages. This design strategy offers control over chemistry, self-assembly, reversibility and size of such particles.
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