Comparison of protein force fields for molecular dynamics simulations

O Guvench, AD MacKerell - Molecular modeling of proteins, 2008 - Springer
In the context of molecular dynamics simulations of proteins, the term “force field” refers to
the combination of a mathematical formula and associated parameters that are used to …

[HTML][HTML] A suite of tutorials for the WESTPA rare-events sampling software [Article v1. 0]

AT Bogetti, B Mostofian, A Dickson… - Living journal of …, 2019 - ncbi.nlm.nih.gov
The weighted ensemble (WE) strategy has been demonstrated to be highly efficient in
generating pathways and rate constants for rare events such as protein folding and protein …

Nucleic acid solvation: from outside to insight

P Auffinger, Y Hashem - Current Opinion in Structural Biology, 2007 - Elsevier
Nucleic acids are polyanionic molecules that were historically considered to be solely
surrounded by a shell of water molecules and a neutralizing cloud of monovalent and …

Hydrophobic catalysis and a potential biological role of DNA unstacking induced by environment effects

B Feng, RP Sosa, AKF Mårtensson… - Proceedings of the …, 2019 - National Acad Sciences
Hydrophobic base stacking is a major contributor to DNA double-helix stability. We report
the discovery of specific unstacking effects in certain semihydrophobic environments. Water …

The structural plasticity of nucleic acid duplexes revealed by WAXS and MD

W He, YL Chen, L Pollack, S Kirmizialtin - Science advances, 2021 - science.org
Double-stranded DNA (dsDNA) and RNA (dsRNA) helices display an unusual structural
diversity. Some structural variations are linked to sequence and may serve as signaling units …

Balancing the interactions of ions, water, and DNA in the Drude polarizable force field

A Savelyev, AD MacKerell Jr - The Journal of Physical Chemistry …, 2014 - ACS Publications
Recently we presented a first-generation all-atom Drude polarizable force field for DNA
based on the classical Drude oscillator model, focusing on optimization of key dihedral …

Infrared microspectroscopy of live cells in microfluidic devices (MD-IRMS): Toward a powerful label-free cell-based assay

L Vaccari, G Birarda, L Businaro, S Pacor… - Analytical …, 2012 - ACS Publications
Until nowadays most infrared microspectroscopy (IRMS) experiments on biological
specimens (ie, tissues or cells) have been routinely carried out on fixed or dried samples in …

Structural properties and binding mechanism of DNA aptamers sensing saliva melatonin for diagnosis and monitoring of circadian clock and sleep disorders

M Pundir, MC De Rosa, L Lobanova… - Analytica Chimica …, 2023 - Elsevier
Circadian desynchrony with the external light-dark cycle influences the rhythmic secretion of
melatonin which is among the first signs of circadian rhythm sleep disorders. An accurate …

Cluster plasmonics: dielectric and shape effects on DNA-stabilized silver clusters

SM Copp, D Schultz, SM Swasey, A Faris… - Nano Letters, 2016 - ACS Publications
This work investigates the effects of dielectric environment and cluster shape on electronic
excitations of fluorescent DNA-stabilized silver clusters, AgN–DNA. We first establish that the …

Understanding B-DNA to A-DNA transition in the right-handed DNA helix: Perspective from a local to global transition

M Kulkarni, A Mukherjee - Progress in biophysics and molecular biology, 2017 - Elsevier
The right-handed DNA helix exhibits two major conformations, A-DNA and B-DNA,
depending on the environmental conditions. The B-DNA to A-DNA (B→ A) transition is …