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 …

[HTML][HTML] Single molecule FRET: A powerful tool to study intrinsically disordered proteins

SJ LeBlanc, P Kulkarni, KR Weninger - Biomolecules, 2018 - mdpi.com
Intrinsically disordered proteins (IDPs) are often modeled using ideas from polymer physics
that suggest they smoothly explore all corners of configuration space. Experimental …

Conformational ensembles of an intrinsically disordered protein consistent with NMR, SAXS, and single-molecule FRET

GNW Gomes, M Krzeminski, A Namini… - Journal of the …, 2020 - ACS Publications
Intrinsically disordered proteins (IDPs) have fluctuating heterogeneous conformations, which
makes their structural characterization challenging. Although challenging, characterization …

Sequence effects on size, shape, and structural heterogeneity in intrinsically disordered proteins

U Baul, D Chakraborty, ML Mugnai… - The Journal of …, 2019 - ACS Publications
Intrinsically disordered proteins (IDPs) lack well-defined three-dimensional structures, thus
challenging the archetypal notion of structure–function relationships. Determining the …

Abundant production of reactive water radical cations under ambient conditions

M Wang, XF Gao, R Su, P He, YY Cheng, K Li… - CCS …, 2022 - chinesechemsoc.org
Water radical cations, the crucial intermediates in many aqueous reactions and biochemical
processes, are difficult to investigate experimentally due to their short lifetime and low …

Evolution of all-atom protein force fields to improve local and global properties

GH Zerze, W Zheng, RB Best… - The journal of physical …, 2019 - ACS Publications
Experimental studies on intrinsically disordered and unfolded proteins have shown that in
isolation they typically have low populations of secondary structure and exhibit distance …

Unfolded states under folding conditions accommodate sequence-specific conformational preferences with random coil-like dimensions

I Peran, AS Holehouse, IS Carrico… - Proceedings of the …, 2019 - National Acad Sciences
Proteins are marginally stable molecules that fluctuate between folded and unfolded states.
Here, we provide a high-resolution description of unfolded states under refolding conditions …

Commonly used FRET fluorophores promote collapse of an otherwise disordered protein

JA Riback, MA Bowman… - Proceedings of the …, 2019 - National Acad Sciences
The dimensions that unfolded proteins, including intrinsically disordered proteins (IDPs),
adopt in the absence of denaturant remain controversial. We developed an analysis …

Small-angle X-ray scattering signatures of conformational heterogeneity and homogeneity of disordered protein ensembles

J Song, J Li, HS Chan - The Journal of Physical Chemistry B, 2021 - ACS Publications
An accurate account of disordered protein conformations is of central importance to
deciphering the physicochemical basis of biological functions of intrinsically disordered …

Integrating single-molecule spectroscopy and simulations for the study of intrinsically disordered proteins

JJ Alston, A Soranno, AS Holehouse - Methods, 2021 - Elsevier
Over the last two decades, intrinsically disordered proteins and protein regions (IDRs) have
emerged from a niche corner of biophysics to be recognized as essential drivers of cellular …