Lessons from pressure denaturation of proteins

J Roche, CA Royer - Journal of the Royal Society …, 2018 - royalsocietypublishing.org
Although it is now relatively well understood how sequence defines and impacts global
protein stability in specific structural contexts, the question of how sequence modulates the …

Monitoring protein folding through high pressure NMR spectroscopy

J Roche, CA Royer, C Roumestand - Progress in nuclear magnetic …, 2017 - Elsevier
High-pressure is a well-known perturbation method used to destabilize globular proteins. It
is perfectly reversible, which is essential for a proper thermodynamic characterization of a …

q-Canonical Monte Carlo Sampling for Modeling the Linkage between Charge Regulation and Conformational Equilibria of Peptides

MJ Fossat, RV Pappu - The Journal of Physical Chemistry B, 2019 - ACS Publications
The overall charge content and the patterning of charged residues have a profound impact
on the conformational ensembles adopted by intrinsically disordered proteins. These …

High-resolution mapping of a repeat protein folding free energy landscape

MJ Fossat, TP Dao, K Jenkins, M Dellarole, Y Yang… - Biophysical …, 2016 - cell.com
A complete description of the pathways and mechanisms of protein folding requires a
detailed structural and energetic characterization of the conformational ensemble along the …

In Situ Monitoring of Protein Unfolding/Structural States under Cold High-Pressure Stress

DC Gomes, SCM Teixeira, JB Leão… - Molecular …, 2021 - ACS Publications
Biopharmaceutical formulations may be compromised by freezing, which has been
attributed to protein conformational changes at a low temperature, and adsorption to ice …

Native state volume fluctuations in proteins as a mechanism for dynamic allostery

AB Law, PJ Sapienza, J Zhang, X Zuo… - Journal of the American …, 2017 - ACS Publications
Allostery enables tight regulation of protein function in the cellular environment. Although
existing models of allostery are firmly rooted in the current structure–function paradigm, the …

Concurrent increases and decreases in local stability and conformational heterogeneity in Cu, Zn superoxide dismutase variants revealed by temperature …

CM Doyle, JA Rumfeldt, HR Broom, A Sekhar… - Biochemistry, 2016 - ACS Publications
The chemical shifts of backbone amide protons in proteins are sensitive reporters of local
structural stability and conformational heterogeneity, which can be determined from their …

High pressure ZZ-exchange NMR reveals key features of protein folding transition states

Y Zhang, S Kitazawa, I Peran, N Stenzoski… - Journal of the …, 2016 - ACS Publications
Understanding protein folding mechanisms and their sequence dependence requires the
determination of residue-specific apparent kinetic rate constants for the folding and …

Observation of α-helical hydrogen-bond cooperativity in an intact protein

J Li, Y Wang, J Chen, Z Liu, A Bax… - Journal of the American …, 2016 - ACS Publications
The presence and extent of hydrogen-bonding (H-bonding) cooperativity in proteins remains
a fundamental question, which in the past has been studied extensively, mostly by infrared …

A fine balance of hydrophobic-electrostatic communication pathways in a pH-switching protein

DWS MacKenzie, A Schaefer… - Proceedings of the …, 2022 - National Acad Sciences
Allostery is the phenomenon of coupling between distal binding sites in a protein. Such
coupling is at the crux of protein function and regulation in a myriad of scenarios, yet …