Electrostatic interactions in protein structure, folding, binding, and condensation

HX Zhou, X Pang - Chemical reviews, 2018 - ACS Publications
Charged and polar groups, through forming ion pairs, hydrogen bonds, and other less
specific electrostatic interactions, impart important properties to proteins. Modulation of the …

[HTML][HTML] A practical guide to biologically relevant molecular simulations with charge scaling for electronic polarization

E Duboue-Dijon, M Javanainen, P Delcroix… - The Journal of …, 2020 - pubs.aip.org
Molecular simulations can elucidate atomistic-level mechanisms of key biological
processes, which are often hardly accessible to experiment. However, the results of the …

Enhanced-sampling simulations for the estimation of ligand binding kinetics: current status and perspective

K Ahmad, A Rizzi, R Capelli, D Mandelli… - Frontiers in molecular …, 2022 - frontiersin.org
The dissociation rate (k off) associated with ligand unbinding events from proteins is a
parameter of fundamental importance in drug design. Here we review recent major …

Further along the road less traveled: AMBER ff15ipq, an original protein force field built on a self-consistent physical model

KT Debiec, DS Cerutti, LR Baker… - Journal of chemical …, 2016 - ACS Publications
We present the AMBER ff15ipq force field for proteins, the second-generation force field
developed using the Implicitly Polarized Q (IPolQ) scheme for deriving implicitly polarized …

Peptide Gaussian accelerated molecular dynamics (Pep-GaMD): Enhanced sampling and free energy and kinetics calculations of peptide binding

J Wang, Y Miao - The Journal of chemical physics, 2020 - pubs.aip.org
Peptides mediate up to 40% of known protein–protein interactions in higher eukaryotes and
play an important role in cellular signaling. However, it is challenging to simulate both …

Mechanism of tripeptide trimming of amyloid β-peptide 49 by γ-secretase

A Bhattarai, S Devkota, HN Do, J Wang… - Journal of the …, 2022 - ACS Publications
The membrane-embedded γ-secretase complex processively cleaves within the
transmembrane domain of amyloid precursor protein (APP) to produce 37-to-43-residue …

Ligand modulation of sidechain dynamics in a wild-type human GPCR

LD Clark, I Dikiy, K Chapman, KEJ Rödström, J Aramini… - Elife, 2017 - elifesciences.org
GPCRs regulate all aspects of human physiology, and biophysical studies have deepened
our understanding of GPCR conformational regulation by different ligands. Yet there is no …

Histone H4 tails in nucleosomes: a fuzzy interaction with DNA

SO Rabdano, MD Shannon, SA Izmailov… - Angewandte …, 2021 - Wiley Online Library
The interaction of positively charged N‐terminal histone tails with nucleosomal DNA plays
an important role in chromatin assembly and regulation, modulating their susceptibility to …

Slow conformational exchange and overall rocking motion in ubiquitin protein crystals

V Kurauskas, SA Izmailov, ON Rogacheva… - Nature …, 2017 - nature.com
Proteins perform their functions in solution but their structures are most frequently studied
inside crystals. Here we probe how the crystal packing alters microsecond dynamics, using …

Rapid quantification of protein-ligand binding via 19F NMR lineshape analysis

SS Stadmiller, JS Aguilar, CA Waudby, GJ Pielak - Biophysical journal, 2020 - cell.com
Fluorine incorporation is ideally suited to many NMR techniques, and incorporation of
fluorine into proteins and fragment libraries for drug discovery has become increasingly …