Evidence map›Paper›PMID 38890550›Full record

ArticleNature structural & molecular biology2024

Structural basis for the dynamic chaperoning of disordered clients by Hsp90.

Xiaozhan Qu, Shuo Zhao, Chanjuan Wan, Lei Zhu, Tuo Ji, Paolo Rossi, Junfeng Wang, Charalampos G Kalodimos, Chao Wang, Weiya Xu and 1 more

Abstract read
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Article in Nature structural & molecular biology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

10 citing papers in PubMed.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

11 authors.

Xiaozhan QuMinistry of Education Key Laboratory for Membraneless Organelles and Cellular Dynamics, University of Science and Technology of China, Hefei, China.
Shuo ZhaoMinistry of Education Key Laboratory for Membraneless Organelles and Cellular Dynamics, University of Science and Technology of China, Hefei, China.
Chanjuan WanDivision of Life Sciences and Medicine, University of Science and Technology of China, University of Science and Technology of China, Hefei, China.
Lei ZhuHigh Magnetic Field Laboratory, CAS Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, China.ORCID http://orcid.org/0000-0001-5003-9059
Tuo JiMinistry of Education Key Laboratory for Membraneless Organelles and Cellular Dynamics, University of Science and Technology of China, Hefei, China.
Paolo RossiDepartment of Structural Biology, St. Jude Children's Research Hospital, Memphis, TN, USA.
Junfeng WangHigh Magnetic Field Laboratory, CAS Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, China.ORCID http://orcid.org/0000-0002-9608-6851
Charalampos G KalodimosDepartment of Structural Biology, St. Jude Children's Research Hospital, Memphis, TN, USA.ORCID http://orcid.org/0000-0001-6354-2796
Chao WangMinistry of Education Key Laboratory for Membraneless Organelles and Cellular Dynamics, University of Science and Technology of China, Hefei, China.ORCID http://orcid.org/0000-0003-3192-2780
Weiya XuMinistry of Education Key Laboratory for Membraneless Organelles and Cellular Dynamics, University of Science and Technology of China, Hefei, China. xuweiya@ustc.edu.cn.ORCID http://orcid.org/0000-0001-5796-8758
Chengdong HuangMinistry of Education Key Laboratory for Membraneless Organelles and Cellular Dynamics, University of Science and Technology of China, Hefei, China. huangcd@ustc.edu.cn.ORCID http://orcid.org/0000-0002-8997-9459

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Molecular chaperone heat shock protein 90 (Hsp90) is a ubiquitous regulator that fine-tunes and remodels diverse client proteins, exerting profound effects on normal biology and diseases. Unraveling the mechanistic details of Hsp90's function requires atomic-level insights into its client interactions throughout the adenosine triphosphate-coupled functional cycle. However, the structural details of the initial encounter complex in the chaperone cycle, wherein Hsp90 adopts an open conformation while engaging with the client, remain elusive. Here, using nuclear magnetic resonance spectroscopy, we determined the solution structure of Hsp90 in its open state, bound to a disordered client. Our findings reveal that Hsp90 uses two distinct binding sites, collaborating synergistically to capture discrete hydrophobic segments within client proteins. This bipartite interaction generates a versatile complex that facilitates rapid conformational sampling. Moreover, our investigations spanning various clients and Hsp90 orthologs demonstrate a pervasive mechanism used by Hsp90 orthologs to accommodate the vast array of client proteins. Collectively, our work contributes to establish a unified conceptual and mechanistic framework, elucidating the intricate interplay between Hsp90 and its clients.

Indexed as

HSP90 Heat-Shock ProteinsModels, MolecularProtein BindingAdenosine TriphosphateBinding SitesHumansHydrophobic and Hydrophilic InteractionsNuclear Magnetic Resonance, BiomolecularProtein ConformationAdenosine TriphosphateHSP90 Heat-Shock Proteins

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.