Journal
CHEMICAL PHYSICS LETTERS
Volume 342, Issue 3-4, Pages 382-386Publisher
ELSEVIER
DOI: 10.1016/S0009-2614(01)00613-3
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Molecular dynamics (MD) and Monte Carlo (MC) method were compared in terms of the sampling efficiency in protein simulations. In the comparison, both methods use torsion angles as the degrees of freedom and the same force field, ECEPP/2. The MC method used here is the force-bias scaled-collective-variable Monte Carlo (SCV MC) [A. Kidera, Int. J. Quant. Chem. 75 (1999) 207], which corresponds to a finite step size extension to Brownian dynamics. It is shown that MD has about 1.5 times larger sampling efficiency. This difference is attributed to the inertia force term in MD, which does not exist in MC. (C) 2001 Elsevier Science B.V. All rights reserved.
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