Reference: Xu L, et al. (2018) The same but different: the role of Hsp70 in heat shock response and prion propagation. Prion 12(3-4):170-174

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Abstract


The Hsp70 chaperone machinery is a key component of the heat-shock response and a modulator of prion propagation in yeast. A major factor in optimizing Hsp70 function is the highly coordinated activities of the nucleotide-binding and substrate-binding domains of the protein. Hsp70 inter-domain communication occurs through a bidirectional allosteric interaction network between the two domains. Recent findings identified the β6/β7 region of the substrate-binding domain as playing a critical role in optimizing Hsp70 function in both the stress response and prion propagation and highlighted the allosteric interaction interface between the domains. Importantly, while functional changes in Hsp70 can result in phenotypic consequences for both the stress response and prion propagation, there can be significant differences in the levels of phenotypic impact that such changes illicit.

Reference Type
Journal Article
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Xu L, Gong W, Zhang H, Perrett S, Jones GW
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