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Abstract Aggregation of the misfolded scrapie prion protein (PrPSc) is known to cause neurodegenerative diseases. In this paper, we have investigated the stability of PrPC by combining coarse-grained model and… Click to show full abstract
Abstract Aggregation of the misfolded scrapie prion protein (PrPSc) is known to cause neurodegenerative diseases. In this paper, we have investigated the stability of PrPC by combining coarse-grained model and all-atom molecular simulations. Our results show that the unfolding of PrPC starts from the opening of the folded domain with α1 moving away from α2α3 domain, and then arrives at a metastable intermediate, and forms a more stable dimer complex in the end. This work unravels the mechanism of the early stage of conformational conversion and dimerization of prion protein and provides significant hints for the development of anti-prion therapeutics.
Journal Title: Chemical Physics Letters
Year Published: 2018
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