Induced fit, conformational selection and independent dynamic segments: An extended view of binding events

Peter Csermely, Robin Palotai, Ruth Nussinov

Research output: Contribution to journalArticlepeer-review

Abstract

Single molecule and NMR measurements of protein dynamics increasingly uncover the complexity of binding scenarios. Here, we describe an extended conformational selection model that embraces a repertoire of selection and adjustment processes. Induced fit can be viewed as a subset of this repertoire, whose contribution is affected by the bond types stabilizing the interaction and the differences between the interacting partners. We argue that protein segments whose dynamics are distinct from the rest of the protein ('discrete breathers') can govern conformational transitions and allosteric propagation that accompany binding processes and, as such, might be more sensitive to mutational events. Additionally, we highlight the dynamic complexity of binding scenarios as they relate to events such as aggregation and signalling, and the crowded cellular environment.

Original languageEnglish
Pages (from-to)539-546
Number of pages8
JournalTrends in Biochemical Sciences
Volume35
Issue number10
DOIs
StatePublished - Oct 2010

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