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How Does the Number of Initial Structures Affect the Conformational Sampling Efficiency and Quality in Parallel Cascade Selection Molecular Dynamics (PaCS-MD)?

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The Parallel Cascade Selection Molecular Dynamics (PaCS-MD) is an enhanced conformational sampling to promote structural transitions from a given reactant. We here assessed how a number of initial structures, ninitial,… Click to show full abstract

The Parallel Cascade Selection Molecular Dynamics (PaCS-MD) is an enhanced conformational sampling to promote structural transitions from a given reactant. We here assessed how a number of initial structures, ninitial, affected the conformational sampling efficiency. We provide clear evidence that a large ninitial accelerated structural transitions. In contrast, a small ninitial showed a high conformational sampling efficiency as an accumulated simulation time over cycles, indicating that both ninitial values are suitable for promoting structural transitions.

Keywords: sampling; sampling efficiency; conformational sampling; cascade selection; parallel cascade

Journal Title: Chemistry Letters
Year Published: 2017

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