Phase transitions of associative biomacromolecules

RV Pappu, SR Cohen, F Dar, M Farag, M Kar - Chemical Reviews, 2023 - ACS Publications
Multivalent proteins and nucleic acids, collectively referred to as multivalent associative
biomacromolecules, provide the driving forces for the formation and compositional …

The molecular basis for cellular function of intrinsically disordered protein regions

AS Holehouse, BB Kragelund - Nature Reviews Molecular Cell Biology, 2024 - nature.com
Intrinsically disordered protein regions exist in a collection of dynamic interconverting
conformations that lack a stable 3D structure. These regions are structurally heterogeneous …

A conceptual framework for understanding phase separation and addressing open questions and challenges

T Mittag, RV Pappu - Molecular cell, 2022 - cell.com
Macromolecular phase separation is being recognized for its potential importance and
relevance as a driver of spatial organization within cells. Here, we describe a framework …

Extreme dynamics in a biomolecular condensate

N Galvanetto, MT Ivanović, A Chowdhury, A Sottini… - Nature, 2023 - nature.com
Proteins and nucleic acids can phase-separate in the cell to form concentrated biomolecular
condensates,,–. The functions of condensates span many length scales: they modulate …

Interaction dynamics of intrinsically disordered proteins from single-molecule spectroscopy

A Chowdhury, D Nettels… - Annual review of …, 2023 - annualreviews.org
Many proteins contain large structurally disordered regions or are entirely disordered under
physiological conditions. The functions of these intrinsically disordered proteins (IDPs) often …

Biomolecular condensates regulate cellular electrochemical equilibria

Y Dai, Z Zhou, W Yu, Y Ma, K Kim, N Rivera… - Cell, 2024 - cell.com
Control of the electrochemical environment in living cells is typically attributed to ion
channels. Here, we show that the formation of biomolecular condensates can modulate the …

Competing interactions give rise to two-state behavior and switch-like transitions in charge-rich intrinsically disordered proteins

X Zeng, KM Ruff, RV Pappu - Proceedings of the National …, 2022 - National Acad Sciences
The most commonly occurring intrinsically disordered proteins (IDPs) are polyampholytes,
which are defined by the duality of low net charge per residue and high fractions of charged …

Driving forces of the complex formation between highly charged disordered proteins

A Chowdhury, A Borgia, S Ghosh… - Proceedings of the …, 2023 - National Acad Sciences
Highly disordered complexes between oppositely charged intrinsically disordered proteins
present a new paradigm of biomolecular interactions. Here, we investigate the driving forces …

Macromolecular condensation organizes nucleolar sub-phases to set up a pH gradient

MR King, KM Ruff, AZ Lin, A Pant, M Farag… - Cell, 2024 - cell.com
Nucleoli are multicomponent condensates defined by coexisting sub-phases. We identified
distinct intrinsically disordered regions (IDRs), including acidic (D/E) tracts and K-blocks …

Multifunctional intrinsically disordered regions in transcription factors

M Már, K Nitsenko… - Chemistry–A European …, 2023 - Wiley Online Library
Eukaryotic transcription factors (TFs) are the final integrators of a complex molecular
feedback mechanism that interfaces with the genome, consolidating information for …