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June 15, 2026Open Access

Toward accurate free energy calculations in biomolecular simulation: advances in Markov model reweighting and expanded ensemble method

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Authors

DNDung Nguyen

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Overview

Randomized trial demonstrates improved free energy landscape accuracy in molecular simulations, suggesting enhanced design capabilities.

Key Points

  • This research aims to enhance accuracy in free energy calculations for biomolecular simulations through improved computational tools.
  • Developed Bayesian Inference of Conformational Populations (BICePs) for reweighting Markov models.
  • Introduced a hybrid 1/t-modified Wang-Landau algorithm for expanded-ensemble methods.
  • Applied BICePs to ten peptide mimics and tested the hybrid algorithm on hydration free energy simulations.
  • BICePs refined folding landscapes, capturing changes in stability (≤2 kJ/mol), aligning closely with experimental results.
  • The hybrid WL algorithm reduced error saturation by up to 30%, achieving sub-0.1 kT precision.

Cite This Study

Dung Nguyen (2026) studied this question.

synapsesocial.com/papers/6a2f95b4a1cfeec4908279bchttps://doi.org/10.34944/grpe-fx65
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