Folding nuclei in proteins

Oxana V. Galzitskaya, Dmitry N. Ivankov, Alexei V. Finkelstein

Research output: Contribution to journalArticlepeer-review

70 Citations (Scopus)

Abstract

When a protein folds or unfolds, it passes through many half-folded microstates. Only a few of them can accumulate and be seen experimentally, and this happens only when the folding (or unfolding) occurs far from the point of thermodynamic equilibrium between the native and denatured states. The universal features of folding, though, are observed just close to the equilibrium point. Here the 'two-state' transition proceeds without any accumulation of metastable intermediates, and only the transition state ('folding nucleus') is outlined by its key influence on the folding-unfolding kinetics. Our aim is to review recent experimental and theoretical studies of the folding nuclei.

Original languageEnglish
Pages (from-to)113-118
Number of pages6
JournalFEBS Letters
Volume489
Issue number2-3
DOIs
Publication statusPublished - 2 Feb 2001
Externally publishedYes

Keywords

  • All-or-none transition
  • Folding intermediate
  • Folding nucleus
  • Protein folding
  • Rate of folding
  • Transition state
  • Two-state kinetics

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