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 …

Kinase regulation by liquid–liquid phase separation

TP López-Palacios, JL Andersen - Trends in Cell Biology, 2023 - cell.com
Liquid–liquid phase separation (LLPS) is emerging as a mechanism of spatiotemporal
regulation that could answer long-standing questions about how order is achieved in …

Polyubiquitin ligand-induced phase transitions are optimized by spacing between ubiquitin units

SKK Galagedera, TP Dao, SE Enos… - Proceedings of the …, 2023 - National Acad Sciences
Biomolecular condensates form via multivalent interactions among key macromolecules and
are regulated through ligand binding and/or posttranslational modifications. One such …

Developments in describing equilibrium phase transitions of multivalent associative macromolecules

X Zeng, RV Pappu - Current opinion in structural biology, 2023 - Elsevier
Biomolecular condensates are distinct cellular bodies that form and dissolve reversibly to
organize cellular matter and biochemical reactions in space and time. Condensates are …

Advanced imaging techniques for studying protein phase separation in living cells and at single-molecule level

G Mekonnen, N Djaja, X Yuan, S Myong - Current Opinion in Chemical …, 2023 - Elsevier
Protein-protein and protein-RNA interactions are essential for cell function and survival.
These interactions facilitate the formation of ribonucleoprotein complexes and biomolecular …

PAICS ubiquitination recruits UBAP2 to trigger phase separation for purinosome assembly

MC Chou, YH Wang, FY Chen, CY Kung, KP Wu… - Molecular Cell, 2023 - cell.com
Purinosomes serve as metabolons to enhance de novo purine synthesis (DNPS) efficiency
through compartmentalizing DNPS enzymes during stressed conditions. However, the …

Loss of C9orf72 perturbs the Ran-GTPase gradient and nucleocytoplasmic transport, generating compositionally diverse Importin β-1 granules

P McGoldrick, A Lau, Z You, TM Durcan, J Robertson - Cell Reports, 2023 - cell.com
A hexanucleotide (GGGGCC) n repeat expansion in C9orf72 causes amyotrophic lateral
sclerosis (ALS) and frontotemporal dementia (FTD), eliciting toxic effects through generation …

Ubiquitin-assisted phase separation of dishevelled-2 promotes Wnt signalling

V Vamadevan, N Chaudhary… - Journal of Cell …, 2022 - journals.biologists.com
ABSTRACT Dishvelled-2 (Dvl2) is an essential component of Wnt pathway, which controls
several cell fate decisions during development, such as proliferation, survival and …

E6AP AZUL interaction with UBQLN1/2 in cells, condensates, and an AlphaFold-NMR integrated structure

GR Buel, X Chen, W Myint, O Kayode, V Folimonova… - Structure, 2023 - cell.com
Summary The E3 ligase E6AP/UBE3A has a dedicated binding site in the 26S proteasome
provided by the RAZUL domain of substrate receptor hRpn10/S5a/PSMD4. Guided by …

Uncovering the molecular mechanism for dual effect of ATP on phase separation in FUS solution

CL Ren, Y Shan, P Zhang, HM Ding, YQ Ma - Science Advances, 2022 - science.org
Recent studies reported that adenosine triphosphate (ATP) could inhibit and enhance the
phase separation in prion-like proteins. The molecular mechanism underlying such a …