Novel Xylene-Linked Maltoside Amphiphiles (XMAs) for Membrane Protein Stabilisation.

Novel Xylene-Linked Maltoside Amphiphiles (XMAs) for Membrane Protein Stabilisation.
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DOI:
10.1002/chem.201501083
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发表时间:
2015-07-06
影响因子:
4.3
通讯作者:
Chae, Pil Seok
Chae, Pil Seok
中科院分区:
化学2区
文献类型:
--
作者:
Cho, Kyung Ho;Du, Yang;Scull, Nicola J.;Hariharan, Parameswaran;Gotfryd, Kamil;Loland, Claus J.;Guan, Lan;Byrne, Bernadette;Kobilka, Brian K.;Chae, Pil Seok

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Membrane proteins are key functional players in biological systems. These bio-macromolecules contain both hydrophilic and hydrophobic regions and thus amphipathic molecules are necessary to extract membrane proteins from their native lipid environments and stabilise them in aqueous solutions. Conventional detergents are commonly used for membrane protein manipulation, but membrane proteins surrounded by these agents often undergo denaturation and aggregation. In this study, we developed a novel class of maltoside-bearing amphiphiles, with a xylene linker in the central region, designated xylene-linked maltoside amphiphiles (XMAs). When these novel agents were evaluated with a number of membrane proteins, we found that XMA-4 and XMA-5 have particularly favorable efficacy with respect to membrane protein stabilisation, indicating that these agents hold significant potential for membrane protein structural study.
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