Investigation of protein refolding: a special feature of native structure responsible for refolding ability

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10 Citations (Scopus)

Abstract

A possible origin of the refolding ability of globular proteins is discussed. It is shown that the structure of native proteins has a special feature, namely, that this is the only structure in which the short overlapping segments of the polypeptide chain are in one of the significantly stable conformations of the oligopeptides with the same amino acid sequences as segments themselves. It is shown that this special feature is responsible for the refolding ability of proteins. A simple formula is given for the estimation of the time, t, necessary for the spontaneous formation of a refolding nucleus by a certain segment and it is shown that the segment which has the smallest t value, will serve as a refolding nucleus. It is suggested that natural selection which ensures the maintenance of the native structure of globular proteins automatically results in the refolding ability of proteins regardless of the biological relevance of this ability.

Original languageEnglish
Pages (from-to)703-710
Number of pages8
JournalJournal of Theoretical Biology
Volume113
Issue number4
DOIs
Publication statusPublished - Apr 21 1985

ASJC Scopus subject areas

  • Statistics and Probability
  • Modelling and Simulation
  • Biochemistry, Genetics and Molecular Biology(all)
  • Immunology and Microbiology(all)
  • Agricultural and Biological Sciences(all)
  • Applied Mathematics

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