General framework of pressure effects on structures formed by entropically driven self-assembly

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3 Citations (Scopus)

Abstract

We review a general framework of pressure effects on the structures formed by entropically driven self-assembly (for example, denaturation of proteins from their native structure and dissociation of ordered structure of the amyloid fibril occur at high pressures). In the framework, the translational entropy of water is an essential factor. Our findings are as follows: at low pressures, the structures almost minimizing the excluded volume (EV) generated for water molecules are stable. On the other hand, at high pressures, the structures possessing the largest possible water-accessible surface area together with sufficiently small EV become more stable. These characteristics are consistent with experimental observations.

Original languageEnglish
Pages (from-to)1632-1652
Number of pages21
JournalEntropy
Volume12
Issue number6
DOIs
Publication statusPublished - 2010 Jun

Keywords

  • Dissociation of protein complexes caused at high pressures
  • Pressure denaturation of proteins
  • Pressure-induced helix-coil transition of alanine-based peptides
  • Translational entropy
  • Water

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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