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 …

Rules of physical mathematics govern intrinsically disordered proteins

K Ghosh, J Huihui, M Phillips… - Annual Review of …, 2022 - annualreviews.org
In stark contrast to foldable proteins with a unique folded state, intrinsically disordered
proteins and regions (IDPs) persist in perpetually disordered ensembles. Yet an IDP …

[HTML][HTML] Relevance of electrostatic charges in compactness, aggregation, and phase separation of intrinsically disordered proteins

G Bianchi, S Longhi, R Grandori, S Brocca - International Journal of …, 2020 - mdpi.com
The abundance of intrinsic disorder in the protein realm and its role in a variety of
physiological and pathological cellular events have strengthened the interest of the scientific …

[PDF][PDF] Integrated view of internal friction in unfolded proteins from single-molecule FRET, contact quenching, theory, and simulations

A Soranno, A Holla, F Dingfelder, D Nettels… - Biophysical …, 2017 - cell.com
The dynamics of proteins, which are essential for both folding and function, are known to be
strongly dependent on solvent viscosity or friction. However, an increasing number of …

Non-aromatic fluorescence in biological matter: the exception or the rule?

UN Morzan, G Díaz Mirón, L Grisanti… - The Journal of …, 2022 - ACS Publications
While in the vast majority of cases fluorescence in biological matter has been attributed to
aromatic or conjugated groups, peptides associated with neurodegenerative diseases, such …

HYPK: A marginally disordered protein sensitive to charge decoration

A Firouzbakht, A Haider, K Gaalswyk… - Proceedings of the …, 2024 - National Acad Sciences
Intrinsically disordered proteins (IDPs) that lie close to the empirical boundary separating
IDPs and folded proteins in Uversky's charge–hydropathy plot may behave as “marginal …

[HTML][HTML] A unified analytical theory of heteropolymers for sequence-specific phase behaviors of polyelectrolytes and polyampholytes

YH Lin, JP Brady, HS Chan, K Ghosh - The Journal of chemical physics, 2020 - pubs.aip.org
The physical chemistry of liquid-liquid phase separation (LLPS) of polymer solutions bears
directly on the assembly of biologically functional dropletlike bodies from proteins and …

Universal and simple method for facile fabrication of sustainable high internal phase emulsions solely using meat protein particles with various pH values

R Li, Q He, M Guo, J Yuan, Y Wu, S Wang, L Rong… - Food …, 2020 - Elsevier
High internal phase emulsions (HIPEs) have recently been investigated for applications in
food areas: plant proteins, polysaccharides, and commercial surfactants have been used as …

[HTML][HTML] Carbonyl-based blue autofluorescence of proteins and amino acids

C Niyangoda, T Miti, L Breydo, V Uversky, M Muschol - PLoS One, 2017 - journals.plos.org
Intrinsic protein fluorescence is inextricably linked to the near-UV autofluorescence of
aromatic amino acids. Here we show that a novel deep-blue autofluorescence (dbAF) …

[HTML][HTML] Sequence charge decoration dictates coil-globule transition in intrinsically disordered proteins

T Firman, K Ghosh - The Journal of chemical physics, 2018 - pubs.aip.org
We present an analytical theory to compute conformations of heteropolymers—applicable to
describe disordered proteins—as a function of temperature and charge sequence. The …