Visualizing a one-way protein encounter complex by ultrafast single-molecule mixing.
Visualizing a one-way protein encounter complex by ultrafast single-molecule mixing.
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DOI:
10.1038/nmeth.1568
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发表时间:
2011-03
期刊:
影响因子:
48
通讯作者:
Deniz, Ashok A.
中科院分区:
文献类型:
--
作者:
Gambin, Yann;VanDelinder, Virginia;Ferreon, Allan Chris M.;Lemke, Edward A.;Groisman, Alex;Deniz, Ashok A.
We combined rapid microfluidic mixing with single-molecule Förster Resonance Energy Transfer to study the folding kinetics of the intrinsically disordered human protein α-synuclein. The time-resolution of 0.2 ms revealed initial collapse of the unfolded protein induced by binding with lipid-mimics and subsequent rapid formation of transient structures within the encounter complex. The method also enabled study of rapid dissociation and unfolding of weakly bound complexes triggered by massive dilution.
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