The Hsp70 chaperone network

R Rosenzweig, NB Nillegoda, MP Mayer… - … reviews molecular cell …, 2019 - nature.com
The 70-kDa heat shock proteins (Hsp70s) are ubiquitous molecular chaperones that act in a
large variety of cellular protein folding and remodelling processes. They function virtually at …

In vivo aspects of protein folding and quality control

D Balchin, M Hayer-Hartl, FU Hartl - Science, 2016 - science.org
BACKGROUND Proteins are synthesized on ribosomes as linear chains of amino acids and
must fold into unique three-dimensional structures to fulfill their biological functions. Protein …

Molecular dissection of amyloid disaggregation by human HSP70

AS Wentink, NB Nillegoda, J Feufel, G Ubartaitė… - Nature, 2020 - nature.com
The deposition of highly ordered fibrillar-type aggregates into inclusion bodies is a hallmark
of neurodegenerative diseases such as Parkinson's disease. The high stability of such …

Recent advances in the structural and mechanistic aspects of Hsp70 molecular chaperones

MP Mayer, LM Gierasch - Journal of Biological Chemistry, 2019 - ASBMB
Hsp70 chaperones are central hubs of the protein quality control network and collaborate
with co-chaperones having a J-domain (an∼ 70-residue–long helical hairpin with a flexible …

Molecular mechanism of J-domain-triggered ATP hydrolysis by Hsp70 chaperones

R Kityk, J Kopp, MP Mayer - Molecular cell, 2018 - cell.com
Efficient targeting of Hsp70 chaperones to substrate proteins depends on J-domain
cochaperones, which in synergism with substrates trigger ATP hydrolysis in Hsp70s and …

A J-protein co-chaperone recruits BiP to monomerize IRE1 and repress the unfolded protein response

N Amin-Wetzel, RA Saunders, MJ Kamphuis, C Rato… - Cell, 2017 - cell.com
When unfolded proteins accumulate in the endoplasmic reticulum (ER), the unfolded protein
response (UPR) increases ER-protein-folding capacity to restore protein-folding …

Recent advances in understanding catalysis of protein folding by molecular chaperones

D Balchin, M Hayer‐Hartl, FU Hartl - FEBS letters, 2020 - Wiley Online Library
Molecular chaperones are highly conserved proteins that promote proper folding of other
proteins in vivo. Diverse chaperone systems assist de novo protein folding and trafficking …

How hsp70 molecular machines interact with their substrates to mediate diverse physiological functions

EM Clerico, JM Tilitsky, W Meng… - Journal of molecular …, 2015 - Elsevier
Hsp70 molecular chaperones are implicated in a wide variety of cellular processes,
including protein biogenesis, protection of the proteome from stress, recovery of proteins …

[HTML][HTML] Chaperones directly and efficiently disperse stress-triggered biomolecular condensates

H Yoo, JAM Bard, EV Pilipenko, DA Drummond - Molecular Cell, 2022 - cell.com
Stresses such as heat shock trigger the formation of protein aggregates and the induction of
a disaggregation system composed of molecular chaperones. Recent work reveals that …

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 …