New tricks for old dogs: improving the accuracy of biomolecular force fields by pair-specific corrections to non-bonded interactions

J Yoo, A Aksimentiev - Physical Chemistry Chemical Physics, 2018 - pubs.rsc.org
In contrast to ordinary polymers, the vast majority of biological macromolecules adopt highly
ordered three-dimensional structures that define their functions. The key to folding of a …

CHARMM-GUI Membrane Builder: Past, Current, and Future Developments and Applications

S Feng, S Park, YK Choi, W Im - Journal of chemical theory and …, 2023 - ACS Publications
Molecular dynamics simulations of membranes and membrane proteins serve as
computational microscopes, revealing coordinated events at the membrane interface. As G …

CHARMM-GUI input generator for NAMD, GROMACS, AMBER, OpenMM, and CHARMM/OpenMM simulations using the CHARMM36 additive force field

J Lee, X Cheng, S Jo, AD MacKerell, JB Klauda, W Im - Biophysical journal, 2016 - cell.com
Proper treatment of nonbonded interactions is essential for the accuracy of molecular
dynamics (MD) simulations, especially in studies of lipid mono-and bilayers. The use of the …

CHARMM‐GUI Membrane Builder toward realistic biological membrane simulations

EL Wu, X Cheng, S Jo, H Rui, KC Song… - 2014 - Wiley Online Library
CHARMM‐GUI Membrane Builder, http://www. charmm‐gui. org/input/membrane, is a web‐
based user interface designed to interactively build all‐atom protein/membrane or …

All-atom molecular dynamics simulations of Synaptotagmin-SNARE-complexin complexes bridging a vesicle and a flat lipid bilayer

J Rizo, L Sari, Y Qi, W Im, MM Lin - Elife, 2022 - elifesciences.org
Synaptic vesicles are primed into a state that is ready for fast neurotransmitter release upon
Ca 2+-binding to Synaptotagmin-1. This state likely includes trans-SNARE complexes …

Comparative molecular dynamics simulation studies of realistic eukaryotic, prokaryotic, and archaeal membranes

ID Pogozheva, GA Armstrong, L Kong… - Journal of chemical …, 2022 - ACS Publications
We present a comparative all-atom molecular dynamics simulation study of 18
biomembrane systems with lipid compositions corresponding to eukaryotic, bacterial, and …

Molecular basis of PIP2-dependent regulation of the Ca2+-activated chloride channel TMEM16A

SC Le, Z Jia, J Chen, H Yang - Nature communications, 2019 - nature.com
The calcium-activated chloride channel (CaCC) TMEM16A plays crucial roles in regulating
neuronal excitability, smooth muscle contraction, fluid secretion and gut motility. While …

Developing and testing of lipid force fields with applications to modeling cellular membranes

AN Leonard, E Wang, V Monje-Galvan… - Chemical …, 2019 - ACS Publications
The amphipathic nature of the lipid molecule (hydrophilic head and hydrophobic tails)
enables it to act as a barrier between fluids with various properties and to sustain an …

Mechanistic understanding from molecular dynamics in pharmaceutical research 2: lipid membrane in drug design

T Róg, M Girych, A Bunker - Pharmaceuticals, 2021 - mdpi.com
We review the use of molecular dynamics (MD) simulation as a drug design tool in the
context of the role that the lipid membrane can play in drug action, ie, the interaction …

Calcium directly regulates phosphatidylinositol 4, 5-bisphosphate headgroup conformation and recognition

E Bilkova, R Pleskot, S Rissanen, S Sun… - Journal of the …, 2017 - ACS Publications
The orchestrated recognition of phosphoinositides and concomitant intracellular release of
Ca2+ is pivotal to almost every aspect of cellular processes, including membrane …