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Updated: Jun 22, 2026

Rapid Generation of Amyloid from Native Proteins In vitro
Published on: December 5, 2013
Demixing transition of the aqueous solution of amyloidogenic peptides: a REMD simulation study
Gurpreet Singh1, Ivan Brovchenko, Alla Oleinikova
1Physical Chemistry, TU Dortmund University, Otto-Hahn-Str. 6, Dortmund, D-44227, Germany.
Abstract:
The aggregation of amyloidogenic peptides in liquid water is studied at various temperatures by replica exchange molecular dynamics (REMD) simulations. The formation of a peptide aggregate upon decreasing the temperature reveals features typical for a first-order demixing phase transition, which is smeared out due to the finite size of the simulation box. Various properties of the ensemble of peptides were used to describe the temperature-induced demixing phase transition, which was found to occur at about 375 K. The hydrational and volumetric properties of the peptides and their aggregates are analyzed.
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