Lipid nanodisc scaffold and size alter the structure of a pentameric ligand-gated ion channel.
Lipid nanodisc scaffold and size alter the structure of a pentameric ligand-gated ion channel.
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脂质纳米盘支架和尺寸改变五聚体配体门控离子通道的结构。
DOI:
10.1038/s41467-023-44366-w
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发表时间:
2024-01-02
影响因子:
16.6
通讯作者:
Cheng, Wayland W. L.
中科院分区:
文献类型:
--
作者:
Dalal, Vikram;Arcario, Mark J.;Petroff II, John T.;Tan, Brandon K.;Dietzen, Noah M.;Rau, Michael J.;Fitzpatrick, James A. J.;Brannigan, Grace;Cheng, Wayland W. L.
Lipid nanodiscs have become a standard tool for studying membrane proteins, including using single particle cryo-electron microscopy (cryo-EM). We find that reconstituting the pentameric ligand-gated ion channel (pLGIC), Erwinia ligand-gated ion channel (ELIC), in different nanodiscs produces distinct structures by cryo-EM. The effect of the nanodisc on ELIC structure extends to the extracellular domain and agonist binding site. Additionally, molecular dynamic simulations indicate that nanodiscs of different size impact ELIC structure and that the nanodisc scaffold directly interacts with ELIC. These findings suggest that the nanodisc plays a crucial role in determining the structure of pLGICs, and that reconstitution of ion channels in larger nanodiscs may better approximate a lipid membrane environment. The authors show that lipid nanodiscs of different scaffold type and size alter the structure of the pentameric ligand-gated ion channel, ELIC. The results suggest that nanodisc selection is an important consideration for structural studies of membrane proteins.
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影响因子:
3.3
作者:
Klauda, Jeffery B.;Venable, Richard M.;Freites, J. Alfredo;O'Connor, Joseph W.;Tobias, Douglas J.;Mondragon-Ramirez, Carlos;Vorobyov, Igor;MacKerell, Alexander D., Jr.;Pastor, Richard W.
通讯作者:
Pastor, Richard W.
影响因子:
5.9
作者:
Barniol-Xicota M;Verhelst SHL
通讯作者:
Verhelst SHL
影响因子:
48
作者:
Frauenfeld J;Löving R;Armache JP;Sonnen AF;Guettou F;Moberg P;Zhu L;Jegerschöld C;Flayhan A;Briggs JA;Garoff H;Löw C;Cheng Y;Nordlund P
通讯作者:
Nordlund P
DOI:
10.1016/j.str.2018.01.007
发表时间:
2018-02-06
期刊:
Structure (London, England : 1993)
影响因子:
--
作者:
Flayhan A;Mertens HDT;Ural-Blimke Y;Martinez Molledo M;Svergun DI;Löw C
通讯作者:
Löw C
DOI:
10.1107/s0907444909052925
发表时间:
2010-02
期刊:
Acta crystallographica. Section D, Biological crystallography
影响因子:
--
作者:
Adams PD;Afonine PV;Bunkóczi G;Chen VB;Davis IW;Echols N;Headd JJ;Hung LW;Kapral GJ;Grosse-Kunstleve RW;McCoy AJ;Moriarty NW;Oeffner R;Read RJ;Richardson DC;Richardson JS;Terwilliger TC;Zwart PH
通讯作者:
Zwart PH