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 …

Principles governing the phase separation of multidomain proteins

P Mohanty, U Kapoor… - Biochemistry, 2022 - ACS Publications
A variety of membraneless organelles, often termed “biological condensates”, play an
important role in the regulation of cellular processes such as gene transcription, translation …

A synergy between site-specific and transient interactions drives the phase separation of a disordered, low-complexity domain

P Mohanty, J Shenoy, A Rizuan… - Proceedings of the …, 2023 - National Acad Sciences
TAR DNA-binding protein 43 (TDP-43) is involved in key processes in RNA metabolism and
is frequently implicated in many neurodegenerative diseases, including amyotrophic lateral …

Driving forces behind phase separation of the carboxy-terminal domain of RNA polymerase II

D Flores-Solis, IP Lushpinskaia, AA Polyansky… - Nature …, 2023 - nature.com
Eukaryotic gene regulation and pre-mRNA transcription depend on the carboxy-terminal
domain (CTD) of RNA polymerase (Pol) II. Due to its highly repetitive, intrinsically disordered …

Expanding the molecular language of protein liquid–liquid phase separation

S Rekhi, CG Garcia, M Barai, A Rizuan, BS Schuster… - Nature Chemistry, 2024 - nature.com
Understanding the relationship between a polypeptide sequence and its phase separation
has important implications for analysing cellular function, treating disease and designing …

Single-molecule FRET unmasks structural subpopulations and crucial molecular events during FUS low-complexity domain phase separation

A Joshi, A Walimbe, A Avni, SK Rai, L Arora… - Nature …, 2023 - nature.com
Biomolecular condensates formed via phase separation of proteins and nucleic acids are
thought to be associated with a wide range of cellular functions and dysfunctions. We dissect …

Determinants that enable disordered protein assembly into discrete condensed phases

RM Welles, KA Sojitra, MV Garabedian, B Xia… - Nature Chemistry, 2024 - nature.com
Cells harbour numerous mesoscale membraneless compartments that house specific
biochemical processes and perform distinct cellular functions. These protein-and RNA-rich …

A solid beta-sheet structure is formed at the surface of FUS droplets during aging

L Emmanouilidis, E Bartalucci, Y Kan, M Ijavi… - Nature Chemical …, 2024 - nature.com
Phase transitions are important to understand cell dynamics, and the maturation of liquid
droplets is relevant to neurodegenerative disorders. We combined NMR and Raman …

Self-assembly of promoter DNA and RNA Pol II machinery into transcriptionally active biomolecular condensates

BA Lewis, SK Das, RK Jha, D Levens - Science Advances, 2023 - science.org
Transcription in the nucleus occurs in a concentrated, dense environment, and no
reasonable biochemical facsimile of this milieu exists. Such a biochemical environment …

Role of strong localized vs weak distributed interactions in disordered protein phase separation

S Rekhi, D Sundaravadivelu Devarajan… - The Journal of …, 2023 - ACS Publications
Interaction strength and localization are critical parameters controlling the single-chain and
condensed-state properties of intrinsically disordered proteins (IDPs). Here, we decipher …