Cosolvent effects on protein stability

DR Canchi, AE García - Annual review of physical chemistry, 2013 - annualreviews.org
Proteins are marginally stable, and the folding/unfolding equilibrium of proteins in aqueous
solution can easily be altered by the addition of small organic molecules known as …

Protein stability in TMAO and mixed urea–TMAO solutions

P Ganguly, J Polák, NFA van der Vegt… - The Journal of …, 2020 - ACS Publications
Osmolytes are essential for cellular function under ubiquitous osmotic stress.
Trimethylamine N-oxide (TMAO) is one such osmolyte that has gained remarkable attention …

Molecular mechanism for the preferential exclusion of TMAO from protein surfaces

DR Canchi, P Jayasimha, DC Rau… - The Journal of …, 2012 - ACS Publications
Trimethylamine N-oxide (TMAO) is a naturally occurring protecting osmolyte that stabilizes
the folded state of proteins and also counteracts the destabilizing effect of urea on protein …

The hydrophobic effect and the role of cosolvents

NFA van der Vegt, D Nayar - The Journal of Physical Chemistry B, 2017 - ACS Publications
Cosolvents modulate aqueous solubility, hydrophobic interactions, and the stability and
function of most proteins in the living cell. Our molecular-level understanding of cosolvent …

Probing the action of chemical denaturant on an intrinsically disordered protein by simulation and experiment

W Zheng, A Borgia, K Buholzer… - Journal of the …, 2016 - ACS Publications
Chemical denaturants are the most commonly used agents for unfolding proteins and are
thought to act by better solvating the unfolded state. Improved solvation is expected to lead …

Ionic force field optimization based on single-ion and ion-pair solvation properties: Going beyond standard mixing rules

M Fyta, RR Netz - The Journal of chemical physics, 2012 - pubs.aip.org
Using molecular dynamics (MD) simulations in conjunction with the SPC/E water model, we
optimize ionic force-field parameters for seven different halide and alkali ions, considering a …

Mechanism of hydrophobic drug solubilization by small molecule hydrotropes

JJ Booth, S Abbott, S Shimizu - The Journal of Physical Chemistry …, 2012 - ACS Publications
Drugs that are poorly soluble in water can be solubilized by the addition of hydrotropes.
Albeit known for almost a century, how they work at a molecular basis is still controversial …

Aqueous ionic liquids and their effects on protein structures: an overview on recent theoretical and experimental results

J Smiatek - Journal of Physics: Condensed Matter, 2017 - iopscience.iop.org
Ionic liquids (ILs) are used in a variety of technological and biological applications. Recent
experimental and simulation results reveal the influence of aqueous ionic liquids on the …

Molecular dynamics simulation of aqueous urea solution: is urea a structure breaker?

D Bandyopadhyay, S Mohan, SK Ghosh… - The Journal of …, 2014 - ACS Publications
An aqueous solution of urea is a very important mixture of biological relevance because of
the definitive role of urea as protein denaturant at high concentrations. There has been an …

Quantitative assessments of the distinct contributions of polypeptide backbone amides versus side chain groups to chain expansion via chemical denaturation

AS Holehouse, K Garai, N Lyle, A Vitalis… - Journal of the …, 2015 - ACS Publications
In aqueous solutions with high concentrations of chemical denaturants such as urea and
guanidinium chloride (GdmCl) proteins expand to populate heterogeneous conformational …