Instability challenges and stabilization strategies of pharmaceutical proteins

M Akbarian, SH Chen - Pharmaceutics, 2022 - mdpi.com
Maintaining the structure of protein and peptide drugs has become one of the most important
goals of scientists in recent decades. Cold and thermal denaturation conditions …

Heterogeneity in protein folding and unfolding reactions

S Bhatia, JB Udgaonkar - Chemical Reviews, 2022 - ACS Publications
Proteins have dynamic structures that undergo chain motions on time scales spanning from
picoseconds to seconds. Resolving the resultant conformational heterogeneity is essential …

The role of key residues in structure, function, and stability of cytochrome-c

S Zaidi, MI Hassan, A Islam, F Ahmad - Cellular and molecular life …, 2014 - Springer
Abstract Cytochrome-c (cyt-c), a multi-functional protein, plays a significant role in the
electron transport chain, and thus is indispensable in the energy-production process …

How cooperative are protein folding and unfolding transitions?

P Malhotra, JB Udgaonkar - Protein Science, 2016 - Wiley Online Library
A thermodynamically and kinetically simple picture of protein folding envisages only two
states, native (N) and unfolded (U), separated by a single activation free energy barrier, and …

Ionic liquid-based strategy for predicting protein aggregation propensity and thermodynamic stability

TA Shmool, LK Martin, RP Matthews, JP Hallett - Jacs Au, 2022 - ACS Publications
Novel drug candidates are continuously being developed to combat the most life-
threatening diseases; however, many promising protein therapeutics are dropped from the …

Direct observation of chaperone-modulated talin mechanics with single-molecule resolution

S Chakraborty, D Chaudhuri, S Banerjee… - Communications …, 2022 - nature.com
Talin as a critical focal adhesion mechanosensor exhibits force-dependent folding dynamics
and concurrent interactions. Being a cytoplasmic protein, talin also might interact with …

Kinetic evidence for a two-stage mechanism of protein denaturation by guanidinium chloride

SK Jha, S Marqusee - … of the National Academy of Sciences, 2014 - National Acad Sciences
Dry molten globular (DMG) intermediates, an expanded form of the native protein with a dry
core, have been observed during denaturant-induced unfolding of many proteins. These …

An energetic model for macromolecules unfolding in stretching experiments

D De Tommasi, N Millardi… - Journal of The …, 2013 - royalsocietypublishing.org
We propose a simple approach, based on the minimization of the total (entropic plus
unfolding) energy of a two-state system, to describe the unfolding of multi-domain …

Multistate mechanism of lysozyme denaturation through synchronous analysis of Raman spectra

L Xing, K Lin, X Zhou, S Liu, Y Luo - The Journal of Physical …, 2016 - ACS Publications
The denaturation mechanism of hen egg lysozyme is still controversial. In this study, Raman
spectroscopy was employed to study the thermal and chemical denaturation mechanisms of …

Unfolding of a small protein proceeds via dry and wet globules and a solvated transition state

SS Sarkar, JB Udgaonkar, G Krishnamoorthy - Biophysical journal, 2013 - cell.com
Dissecting a protein unfolding process into individual steps can provide valuable information
on the forces that maintain the integrity of the folded structure. Solvation of the protein core …