ArticleThe Journal of chemical physics2015
Reducing the cost of evaluating the committor by a fitting procedure.
Article in The Journal of chemical physics, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Enhanced Sampling in the Age of Machine Learning: Algorithms and Applications.Chemical reviews · 2026Review
- Mechanism for the rare fluctuation that powers protein conformational change.The Journal of chemical physics · 2022Article
- A benchmark for reaction coordinates in the transition path ensemble.The Journal of chemical physics · 2016Article
- Reaction mechanism and reaction coordinates from the viewpoint of energy flow.The Journal of chemical physics · 2016Article
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Authors and funding
2 authors.
Funding
Abstract
Correct identification of reaction coordinates in complex systems is essential for understanding the mechanisms of their reaction dynamics. Existing methods for identifying reaction coordinates typically require knowledge of the committor--the probability of a given configuration to reach the product basin. The high computational cost of evaluating committors has limited applications of methods for identifying reaction coordinates. We proposed a fitting procedure that can reduce the cost of evaluating committors by an order of magnitude or more. The method only requires evaluating the committors of a few configurations in a transition path by the standard and costly shooting procedure. The committors of the other configurations are then estimated with great accuracy by a sigmoid function derived from fitting the few numerically evaluated committors. The method has been systematically tested on a model system of a Brownian particle moving in a one-dimensional double-well potential, and a small biomolecular system--the isomerization of alanine dipeptide in vacuum and in explicit water.
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