The GroEL–GroES chaperonin machine: a nano-cage for protein folding

M Hayer-Hartl, A Bracher, FU Hartl - Trends in biochemical sciences, 2016 - cell.com
The bacterial chaperonin GroEL and its cofactor GroES constitute the paradigmatic
molecular machine of protein folding. GroEL is a large double-ring cylinder with ATPase …

Molecular chaperone functions in protein folding and proteostasis

YE Kim, MS Hipp, A Bracher… - Annual review of …, 2013 - annualreviews.org
The biological functions of proteins are governed by their three-dimensional fold. Protein
folding, maintenance of proteome integrity, and protein homeostasis (proteostasis) critically …

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 …

Converging concepts of protein folding in vitro and in vivo

FU Hartl, M Hayer-Hartl - Nature structural & molecular biology, 2009 - nature.com
Most proteins must fold into precise three-dimensional conformations to fulfill their biological
functions. Here we review recent concepts emerging from studies of protein folding in vitro …

Protein folding in the cytoplasm and the heat shock response

RM Vabulas, S Raychaudhuri… - Cold Spring …, 2010 - cshperspectives.cshlp.org
Proteins generally must fold into precise three-dimensional conformations to fulfill their
biological functions. In the cell, this fundamental process is aided by molecular chaperones …

Coarse-grained models of protein folding: toy models or predictive tools?

C Clementi - Current opinion in structural biology, 2008 - Elsevier
Coarse-grained models are emerging as a practical alternative to all-atom simulations for
the characterization of protein folding mechanisms over long time scales. While a decade …

Models of macromolecular crowding effects and the need for quantitative comparisons with experiment

AH Elcock - Current opinion in structural biology, 2010 - Elsevier
In recent years significant effort has been devoted to exploring the potential effects of
macromolecular crowding on protein folding and association phenomena. Theoretical …

Structural features of the GroEL-GroES nano-cage required for rapid folding of encapsulated protein

YC Tang, HC Chang, A Roeben, D Wischnewski… - Cell, 2006 - cell.com
GroEL and GroES form a chaperonin nano-cage for proteins up to∼ 60 kDa to fold in
isolation. Here we explored the structural features of the chaperonin cage critical for rapid …

Bioinspired polyethylene glycol coatings for reduced nanoparticle–protein interactions

J Toro-Mendoza, L Maio, M Gallego, F Otto, F Schulz… - ACS …, 2023 - ACS Publications
Nanoparticles (NPs) and other engineered nanomaterials have great potential as
nanodrugs or nanomedical devices for biomedical applications. However, the adsorption of …

[HTML][HTML] GroEL/ES chaperonin modulates the mechanism and accelerates the rate of TIM-barrel domain folding

F Georgescauld, K Popova, AJ Gupta, A Bracher… - Cell, 2014 - cell.com
The GroEL/ES chaperonin system functions as a protein folding cage. Many obligate
substrates of GroEL share the (βα) 8 TIM-barrel fold, but how the chaperonin promotes …