Replica-exchange-with-tunneling for fast exploration of protein landscapes

J Chem Phys. 2015 Dec 14;143(22):224102. doi: 10.1063/1.4936968.


While the use of replica-exchange molecular dynamics in protein simulations has become ubiquitous, its utility is limited in many practical applications. We propose to overcome some shortcomings that hold back its use in settings such as multi-scale or explicit solvent simulations by integrating ideas of hybrid MC/MD into the replica-exchange protocol. This Replica-Exchange-with-Tunneling method is tested by simulating the Trp-cage protein, a system often used in molecular biophysics for testing sampling techniques.

Publication types

  • Research Support, Non-U.S. Gov't
  • Research Support, U.S. Gov't, Non-P.H.S.

MeSH terms

  • Molecular Dynamics Simulation*
  • Monte Carlo Method
  • Proteins / chemistry*


  • Proteins