Detergent-Free Functionalization of Hybrid Vesicles with Membrane Proteins Using SMALPs.

Detergent-Free Functionalization of Hybrid Vesicles with Membrane Proteins Using SMALPs.
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使用SMALPS与膜蛋白与杂化囊泡进行无污染的功能化。

DOI:
10.1021/acs.macromol.2c00326
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发表时间:
2022-05-10
期刊:
影响因子:
5.5
通讯作者:
Jeuken, Lars J. C.
Jeuken, Lars J. C.
中科院分区:
化学1区
文献类型:
--
作者:
Catania, Rosa;Machin, Jonathan;Rappolt, Michael;Muench, Stephen P.;Beales, Paul A.;Jeuken, Lars J. C.

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由嵌段共聚物和脂质的混合物组成的混合囊泡(HV)是脂质体的稳健仿生物,在生物纳米技术、催化和合成生物学中提供有价值的构建块。然而,用膜蛋白官能化HV仍然是费力且昂贵的,在该领域中产生了显著的当前挑战。在这里,使用一种新的方法提取苯乙烯-马来酸(SMA),我们表明,膜蛋白(细胞色素bo 3)直接转移到HV的效率为73.9 ± 13.5%,而不需要洗涤剂,长时间孵育,或机械破坏。使用这种方法直接转移膜蛋白不可能进入脂质体,这表明HV比脂质体更容易从SMA脂质颗粒系统掺入膜蛋白。最后,我们表明,这种转移方法不仅限于细胞色素bo 3,也可以与复杂的膜蛋白混合物进行。
Hybrid vesicles (HVs) that consist of mixtures of block copolymers and lipids are robust biomimetics of liposomes, providing a valuable building block in bionanotechnology, catalysis, and synthetic biology. However, functionalization of HVs with membrane proteins remains laborious and expensive, creating a significant current challenge in the field. Here, using a new approach of extraction with styrene-maleic acid (SMA), we show that a membrane protein (cytochrome bo3) directly transfers into HVs with an efficiency of 73.9 ± 13.5% without the requirement of detergent, long incubation times, or mechanical disruption. Direct transfer of membrane proteins using this approach was not possible into liposomes, suggesting that HVs are more amenable than liposomes to membrane protein incorporation from a SMA lipid particle system. Finally, we show that this transfer method is not limited to cytochrome bo3 and can also be performed with complex membrane protein mixtures.
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