J-domain protein chaperone circuits in proteostasis and disease

R Zhang, D Malinverni, DM Cyr, P De Los Rios… - Trends in cell …, 2023 - cell.com
The J-domain proteins (JDP) form the largest protein family among cellular chaperones. In
cooperation with the Hsp70 chaperone system, these co-chaperones orchestrate a plethora …

Mechanisms of protein quality control in the endoplasmic reticulum by a coordinated Hsp40-Hsp70-Hsp90 system

JLM Kotler, TO Street - Annual review of biophysics, 2023 - annualreviews.org
The Hsp40, Hsp70, and Hsp90 chaperone families are ancient, highly conserved, and
critical to cellular protein homeostasis. Hsp40 chaperones can transfer their protein clients to …

DNAJB6 mutants display toxic gain of function through unregulated interaction with Hsp70 chaperones

M Abayev-Avraham, Y Salzberg, D Gliksberg… - Nature …, 2023 - nature.com
Molecular chaperones are essential cellular components that aid in protein folding and
preventing the abnormal aggregation of disease-associated proteins. Mutations in one such …

Structural transitions modulate the chaperone activities of Grp94

YS Amankwah, Y Fleifil, E Unruh… - Proceedings of the …, 2024 - National Acad Sciences
Hsp90s are ATP-dependent chaperones that collaborate with co-chaperones and Hsp70s to
remodel client proteins. Grp94 is the ER Hsp90 homolog essential for folding multiple …

[HTML][HTML] Large-scale, in-cell photocrosslinking at single-residue resolution reveals the molecular basis for glucocorticoid receptor regulation by immunophilins

A Baischew, S Engel, MC Taubert, TM Geiger… - Nature Structural & …, 2023 - nature.com
The Hsp90 co-chaperones FKBP51 and FKBP52 play key roles in steroid-hormone-receptor
regulation, stress-related disorders, and sexual embryonic development. As a prominent …

[HTML][HTML] J-domain proteins: From molecular mechanisms to diseases

J Marszalek, P De Los Rios, D Cyr, MP Mayer… - Cell Stress and …, 2024 - Elsevier
J-domain proteins (JDPs) are the largest family of chaperones in most organisms, but much
of how they function within the network of other chaperones and protein quality control …

J-domain proteins form binary complexes with Hsp90 and ternary complexes with Hsp90 and Hsp70

AC Wickramaratne, JY Liao, SM Doyle… - Journal of Molecular …, 2023 - Elsevier
Hsp90 and Hsp70 are highly conserved molecular chaperones that help maintain
proteostasis by participating in protein folding, unfolding, remodeling and activation of …

Uncoupling the Hsp90 and DnaK chaperone activities revealed the in vivo relevance of their collaboration in bacteria

M Corteggiani, N Bossuet-Greif… - Proceedings of the …, 2022 - National Acad Sciences
Chaperone proteins are essential in all living cells to ensure protein homeostasis. Hsp90 is
a major adenosine triphosphate (ATP)-dependent chaperone highly conserved from …

NUDCD3 deficiency disrupts V(D)J recombination to cause SCID and Omenn syndrome

R Chen, E Lukianova, IS van der Loeff… - Science …, 2024 - science.org
Inborn errors of T cell development present a pediatric emergency in which timely curative
therapy is informed by molecular diagnosis. In 11 affected patients across four …

Evolution of the conformational dynamics of the molecular chaperone Hsp90

S Riedl, E Bilgen, G Agam, V Hirvonen… - Nature …, 2024 - nature.com
Hsp90 is a molecular chaperone of central importance for protein homeostasis in the cytosol
of eukaryotic cells, with key functional and structural traits conserved from yeast to man …