Mass spectrometry of membrane transporters reveals subunit stoichiometry and interactions.
Mass spectrometry of membrane transporters reveals subunit stoichiometry and interactions.
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DOI:
10.1038/nmeth.1347
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发表时间:
2009-08
期刊:
影响因子:
48
通讯作者:
Robinson, Carol V.
中科院分区:
文献类型:
--
作者:
Barrera, Nelson P.;Isaacson, Shoshanna C.;Zhou, Min;Bavro, Vassiliy N.;Welch, Alex;Schaedler, Theresia A.;Seeger, Markus A.;Miguel, Ricardo Nunez;Korkhov, Vladimir M.;van Veen, Hendrik W.;Venter, Henrietta;Walmsley, Adrian R.;Tate, Christopher G.;Robinson, Carol V.
We describe a general mass spectrometry approach to determine subunit stoichiometry and lipid binding in intact membrane protein complexes. By exploring conditions for preserving interactions during transmission into the gas phase and for optimally stripping away detergent, by subjecting the complex to multiple collisions, we release the intact complex largely devoid of detergent This enabled us to characterize both subunit stoichiometry and lipid binding in 4 membrane protein complexes.
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