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Phys. Rev. E 80, 056703 (2009) [8 pages]

Microcanonical replica exchange molecular dynamics simulation of proteins

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Parimal Kar1,*, Walter Nadler2,†, and Ulrich H. E. Hansmann1,‡
1Department of Physics, Michigan Technological University, Houghton, Michigan 49931, USA
2Institute for Advanced Simulation (IAS), Jülich Supercomputing Centre (JSC), Forschungszentrum Jülich, D-52425 Jülich, Germany

Received 17 September 2009; published 18 November 2009

We present microcanonical replica exchange molecular dynamics simulations as an alternative to canonical ones. Its advantage is the easily tunable high acceptance rate for replica exchange. We present the theory, comment on its actual implementation, and demonstrate its application for a common test case, the trp-cage protein.

© 2009 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevE.80.056703
DOI:
10.1103/PhysRevE.80.056703
PACS:
02.70.Ns, 87.10.Tf, 87.15.Cc

*pkar@mtu.edu

wnadler@fz-juelich.de

hansmann@mtu.edu