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The multiple facets of the Hsp90 machine

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Blair, Laura | Genest, Olivier | Mollapour, Mehdi

Edité par CCSD ; Nature Publishing Group -

International audience. The Ninth International Conference on the Hsp90 Chaperone Machine concluded in October 2018, in Leysin, Switzerland. The program highlighted findings in various areas, including integrated insight into molecular mechanism of Hsp90, cochaperones, and clients’ structure and function.Heat shock protein-90 (Hsp90) is a molecular chaperone critical for the folding, stability, and activity of client proteins 1. Hsp90 and its orthologs, including bacterial HtpG, mitochondrial TRAP1 and endoplasmic reticulum Grp94, exist as dimers, hydrolyze ATP, and cycle between distinct conformational states. Hsp90 preferentially binds proteins in near native states facilitating their remodeling for protein interactions and signaling. At the 9th International Conference on the Hsp90 Chaperone Machine approximately one-third of the attendees shared their data on Hsp90 structure and function through short talks (Figure 1). Here, we distill and summarize their findings

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