DeSiphering receptor core-induced and ligand-dependent conformational changes in arrestin via genetic encoded trimethylsilyl (1)H-NMR probe.
DeSiphering receptor core-induced and ligand-dependent conformational changes in arrestin via genetic encoded trimethylsilyl (1)H-NMR probe.
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通过基因编码的三甲基甲硅烷基 (1)H-NMR 探针,DeSiphering 受体核心诱导的和配体依赖性的抑制蛋白构象变化。
DOI:
10.1038/s41467-020-18433-5
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发表时间:
2020-09-25
影响因子:
16.6
通讯作者:
Sun JP
中科院分区:
文献类型:
--
作者:
Liu Q;He QT;Lyu X;Yang F;Zhu ZL;Xiao P;Yang Z;Zhang F;Yang ZY;Wang XY;Sun P;Wang QW;Qu CX;Gong Z;Lin JY;Xu Z;Song SL;Huang SM;Guo SC;Han MJ;Zhu KK;Chen X;Kahsai AW;Xiao KH;Kong W;Li FH;Ruan K;Li ZJ;Yu X;Niu XG;Jin CW;Wang J;Sun JP
Characterization of the dynamic conformational changes in membrane protein signaling complexes by nuclear magnetic resonance (NMR) spectroscopy remains challenging. Here we report the site-specific incorporation of 4-trimethylsilyl phenylalanine (TMSiPhe) into proteins, through genetic code expansion. Crystallographic analysis revealed structural changes that reshaped the TMSiPhe-specific amino-acyl tRNA synthetase active site to selectively accommodate the trimethylsilyl (TMSi) group. The unique up-field 1H-NMR chemical shift and the highly efficient incorporation of TMSiPhe enabled the characterization of multiple conformational states of a phospho-β2 adrenergic receptor/β-arrestin-1(β-arr1) membrane protein signaling complex, using only 5 μM protein and 20 min of spectrum accumulation time. We further showed that extracellular ligands induced conformational changes located in the polar core or ERK interaction site of β-arr1 via direct receptor transmembrane core interactions. These observations provided direct delineation and key mechanism insights that multiple receptor ligands were able to induce distinct functionally relevant conformational changes of arrestin. Characterization of dynamic conformational changes in membrane protein complexes by NMR spectroscopy remains challenging. Here authors report the site-specific incorporation of 4-trimethylsilyl phenylalanine (TMSiPhe) into proteins, which enabled the characterization of multiple conformational states of a phospho-β2 adrenergic receptor/β-arrestin-1 complex in response to different receptor ligands.
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影响因子:
64.8
作者:
Koehl A;Hu H;Maeda S;Zhang Y;Qu Q;Paggi JM;Latorraca NR;Hilger D;Dawson R;Matile H;Schertler GFX;Granier S;Weis WI;Dror RO;Manglik A;Skiniotis G;Kobilka BK
通讯作者:
Kobilka BK
影响因子:
16.6
作者:
Li, Fahui;Shi, Pan;Wang, Jiangyun
通讯作者:
Wang, Jiangyun
影响因子:
64.8
作者:
Eichel K;Jullié D;Barsi-Rhyne B;Latorraca NR;Masureel M;Sibarita JB;Dror RO;von Zastrow M
通讯作者:
von Zastrow M
影响因子:
21.8
作者:
Brem, Juergen;van Berkel, Sander S.;Schofield, Christopher J.
通讯作者:
Schofield, Christopher J.
影响因子:
3.5
作者:
Hu, Wanhui;Wang, Huixia;Liu, Dongsheng
通讯作者:
Liu, Dongsheng