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DA Case, HM Aktulga, K Belfon… - Journal of chemical …, 2023 - ACS Publications
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Combined QM/MM, machine learning path integral approach to compute free energy profiles and kinetic isotope effects in RNA cleavage reactions

TJ Giese, J Zeng, S Ekesan… - Journal of chemical theory …, 2022 - ACS Publications
We present a fast, accurate, and robust approach for determination of free energy profiles
and kinetic isotope effects for RNA 2′-O-transphosphorylation reactions with inclusion of …

Perspective: Reference-Potential Methods for the Study of Thermodynamic Properties in Chemical Processes: Theory, Applications, and Pitfalls

JN Wang, Y Xue, P Li, X Pan, M Wang… - The journal of …, 2023 - ACS Publications
In silico investigations of enzymatic reactions and chemical reactions in condensed phases
often suffer from formidable computational costs due to a large number of degrees of …

How many conformations need to be sampled to obtain converged QM/MM energies? The curse of exponential averaging

U Ryde - Journal of chemical theory and computation, 2017 - ACS Publications
Combined quantum mechanical and molecular mechanical (QM/MM) calculations is a
popular approach to study enzymatic reactions. They are often based on a set of minimized …

[HTML][HTML] Recent developments in multiscale free energy simulations

EP Barros, B Ries, L Böselt, C Champion… - Current Opinion in …, 2022 - Elsevier
Physics-based free energy simulations enable the rigorous calculation of properties, such as
conformational equilibria, solvation or binding free energies. While historically most …

Multireference generalization of the weighted thermodynamic perturbation method

TJ Giese, J Zeng, DM York - The Journal of Physical Chemistry A, 2022 - ACS Publications
We describe the generalized weighted thermodynamic perturbation (gwTP) method for
estimating the free energy surface of an expensive “high-level” potential energy function …

Accelerated computation of free energy profile at ab initio quantum mechanical/molecular mechanics accuracy via a semi-empirical reference potential. I. Weighted …

P Li, X Jia, X Pan, Y Shao, Y Mei - Journal of chemical theory and …, 2018 - ACS Publications
Free energy profile (FE Profile) is an essential quantity for the estimation of reaction rate and
the validation of reaction mechanism. For chemical reactions in condensed phase or …

Predicting Octanol–Water Partition Coefficients: Are Quantum Mechanical Implicit Solvent Models Better than Empirical Fragment-Based Methods?

V Kundi, J Ho - The Journal of Physical Chemistry B, 2019 - ACS Publications
In this work, we examined the performance of contemporary quantum mechanical implicit
solvent models (SMD, SM8, SM12, and ADF-COSMO-RS) and empirical fragment-based …

Force field benchmark of amino acids. 2. Partition coefficients between water and organic solvents

H Zhang, Y Jiang, Z Cui, C Yin - Journal of Chemical Information …, 2018 - ACS Publications
The partitioning of amino acids between water and apolar environments is of vital
importance in protein function and drug delivery. Here we present an extensive benchmark …

Accelerated computation of free energy profile at ab initio quantum mechanical/molecular mechanical accuracy via a semi-empirical reference potential. II …

X Pan, P Li, J Ho, J Pu, Y Mei, Y Shao - Physical Chemistry Chemical …, 2019 - pubs.rsc.org
An efficient and accurate reference potential simulation protocol is proposed for producing
ab initio quantum mechanical/molecular mechanical (AI-QM/MM) quality free energy profiles …