QM/MM methods for biomolecular systems

HM Senn, W Thiel - Angewandte Chemie International Edition, 2009 - Wiley Online Library
Two are better than one: Quantum mechanics/molecular mechanics (QM/MM) methods are
the state‐of‐the‐art computational technique for treating reactive and other “electronic” …

From NWChem to NWChemEx: Evolving with the computational chemistry landscape

K Kowalski, R Bair, NP Bauman, JS Boschen… - Chemical …, 2021 - ACS Publications
Since the advent of the first computers, chemists have been at the forefront of using
computers to understand and solve complex chemical problems. As the hardware and …

NWChem: A comprehensive and scalable open-source solution for large scale molecular simulations

M Valiev, EJ Bylaska, N Govind, K Kowalski… - Computer Physics …, 2010 - Elsevier
The latest release of NWChem delivers an open-source computational chemistry package
with extensive capabilities for large scale simulations of chemical and biological systems …

NWChem: Past, present, and future

E Apra, EJ Bylaska, WA De Jong, N Govind… - The Journal of …, 2020 - pubs.aip.org
Specialized computational chemistry packages have permanently reshaped the landscape
of chemical and materials science by providing tools to support and guide experimental …

Distinct roles of catalytic cysteine and histidine in the protease and ligase mechanisms of human legumain as revealed by DFT-based QM/MM simulations

B Elsässer, FB Zauner, J Messner, WT Soh… - ACS …, 2017 - ACS Publications
The cysteine protease enzyme legumain hydrolyzes peptide bonds with high specificity after
asparagine and under more acidic conditions after aspartic acid [Baker, ENJ Mol. Biol. 1980 …

Phosphorylation reaction in cAPK protein kinase-free energy quantum mechanical/molecular mechanics simulations

M Valiev, J Yang, JA Adams, SS Taylor… - The Journal of …, 2007 - ACS Publications
We present results of a theoretical analysis of the phosphorylation reaction in cAMP-
dependent protein kinase using a combined quantum mechanical and molecular mechanics …

Recent developments in QM/MM methods towards open-boundary multi-scale simulations

S Pezeshki, H Lin - Molecular Simulation, 2015 - Taylor & Francis
Combined quantum mechanics/molecular mechanics (QM/MM) methods have been widely
used in multi-scale modelling and simulations of physical, chemical and biological …

Carbon and chlorine isotope fractionation patterns associated with different engineered chloroform transformation reactions

C Torrento, J Palau… - … science & technology, 2017 - ACS Publications
To use compound-specific isotope analysis for confidently assessing organic contaminant
attenuation in the environment, isotope fractionation patterns associated with different …

Vertical ionization potentials of nucleobases in a fully solvated DNA environment

E Cauët, M Valiev, JH Weare - The Journal of Physical Chemistry …, 2010 - ACS Publications
Vertical ionization potentials (IPs) of nucleobases embedded in a fully solvated DNA
fragment (12-mer B-DNA fragment+ 22 sodium counterions+ 5760 water molecules …

Computing converged free energy differences between levels of theory via nonequilibrium work methods: Challenges and opportunities

FL Kearns, PS Hudson, HL Woodcock… - Journal of …, 2017 - Wiley Online Library
We demonstrate that Jarzynski's equation can be used to reliably compute free energy
differences between low and high level representations of systems. The need for such a …