Detergent-free Lipodisq Nanoparticles Facilitate High-Resolution Mass Spectrometry of Folded Integral Membrane Proteins.

Detergent-free Lipodisq Nanoparticles Facilitate High-Resolution Mass Spectrometry of Folded Integral Membrane Proteins.
复制标题

DOI:
10.1021/acs.nanolett.0c04911
复制
发表时间:
2021-04-14
期刊:
影响因子:
10.8
通讯作者:
Robinson CV
Robinson CV
中科院分区:
材料科学1区
文献类型:
--
作者:
Hoi KK;Bada Juarez JF;Judge PJ;Yen HY;Wu D;Vinals J;Taylor GF;Watts A;Robinson CV

文献摘要

参考文献

被引文献

相似文献

由于其天然环境中组分的复杂性和多样性,整合膜蛋白对质谱(MS)提出了相当大的挑战。在这里,我们使用天然MS研究细菌视紫红质(bR)和古视紫红质-3(AR 3)的翻译后成熟,使用辛基葡萄糖苷洗涤剂胶束和脂质纳米颗粒。苯乙烯-马来酸共聚物(SMA)Lipodisqs中的蛋白质比膜支架蛋白质(MSP)Nanodisks中的蛋白质需要更低的碰撞能量才能获得良好分辨的光谱。通过比较使用不同的膜模拟物制备的膜蛋白的光谱,我们发现SMA可能有利于正确折叠的蛋白质的选择性溶解,并且比其他膜模拟物更好地保留天然脂质相互作用。我们的光谱揭示了翻译后修饰(PTM),脂质相互作用和蛋白质折叠状态的bR之间的相关性,提供了深入了解感光蛋白的成熟过程。
Integral membrane proteins pose considerable challenges to mass spectrometry (MS) owing to the complexity and diversity of the components in their native environment. Here, we use native MS to study the post-translational maturation of bacteriorhodopsin (bR) and archaerhodopsin-3 (AR3), using both octyl-glucoside detergent micelles and lipid-based nanoparticles. A lower collision energy was required to obtain well-resolved spectra for proteins in styrene-maleic acid copolymer (SMA) Lipodisqs than in membrane scaffold protein (MSP) Nanodiscs. By comparing spectra of membrane proteins prepared using the different membrane mimetics, we found that SMA may favor selective solubilization of correctly folded proteins and better preserve native lipid interactions than other membrane mimetics. Our spectra reveal the correlation between the post-translation modifications (PTMs), lipid-interactions, and protein-folding states of bR, providing insights into the process of maturation of the photoreceptor proteins.
DOI: 10.1038/nsb0295-139
发表时间: 1995-02-01
期刊: NATURE STRUCTURAL BIOLOGY
影响因子: --
作者:
BOOTH, PJ;FLITSCH, SL;KHORANA, HG
通讯作者: KHORANA, HG
DOI: 10.1016/j.sbi.2012.03.008
发表时间: 2012-08-01
影响因子: 6.8
作者:
Booth, Paula J.
通讯作者: Booth, Paula J.
DOI: 10.1016/s0969-2126(99)80118-x
发表时间: 1999-08-15
期刊: STRUCTURE
影响因子: 5.7
作者:
Belrhali, H;Nollert, P;Pebay-Peyroula, E
通讯作者: Pebay-Peyroula, E
DOI: 10.1186/1471-2091-9-31
发表时间: 2008-11-25
期刊: BMC Biochemistry
影响因子: --
作者:
Charalambous, Kalypso;Miller, David;Booth, Paula J.
通讯作者: Booth, Paula J.
DOI: 10.1038/nchem.2172
发表时间: 2015-03-01
期刊: NATURE CHEMISTRY
影响因子: 21.8
作者:
Bechara, Cherine;Noell, Anne;Robinson, Carol V.
通讯作者: Robinson, Carol V.