The large conformational changes of Hsp90 are only weakly coupled to ATP hydrolysis

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作者
Moritz Mickler
Martin Hessling
Christoph Ratzke
Johannes Buchner
Thorsten Hugel
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[1] IMETUM,Physik
[2] CeNS,Department
[3] Department Chemie,undefined
[4] Center for Integrated Protein Science CIPSM,undefined
[5] Technische Universität München,undefined
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摘要
The Hsp90 chaperone is responsible for the stabilization of a large variety of regulatory proteins. Single-molecule FRET was used to examine the conformational dynamics of Hsp90 in its different nucleotide-bound states. The findings suggest that, in the absence of substrate and cochaperone proteins, Hsp90's conformational changes are not strongly coupled to ATP hydrolysis.
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页码:281 / 286
页数:5
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