How does the ribosome fold the proteome?

AME Cassaignau, LD Cabrita… - Annual review of …, 2020 - annualreviews.org
Folding of polypeptides begins during their synthesis on ribosomes. This process has evolved
as a means for the cell to maintain proteostasis, by mitigating the risk of protein misfolding …

A structural ensemble of a ribosome–nascent chain complex during cotranslational protein folding

LD Cabrita, AME Cassaignau, HMM Launay… - Nature structural & …, 2016 - nature.com
Although detailed pictures of ribosome structures are emerging, little is known about the
structural and cotranslational folding properties of nascent polypeptide chains at the atomic level…

[HTML][HTML] The ribosome stabilizes partially folded intermediates of a nascent multi-domain protein

SHS Chan, T Włodarski, JO Streit, AME Cassaignau… - Nature …, 2022 - nature.com
Co-translational folding is crucial to ensure the production of biologically active proteins.
The ribosome can alter the folding pathways of nascent polypeptide chains, yet a structural …

[HTML][HTML] Modulating co-translational protein folding by rational design and ribosome engineering

…, CA Waudby, R Beckmann, AME Cassaignau… - nature …, 2022 - nature.com
Co-translational folding is a fundamental process for the efficient biosynthesis of nascent
polypeptides that emerge through the ribosome exit tunnel. To understand how this process is …

[HTML][HTML] Interactions between nascent proteins and the ribosome surface inhibit co-translational folding

AME Cassaignau, T Włodarski, SHS Chan… - Nature Chemistry, 2021 - nature.com
Most proteins begin to fold during biosynthesis on the ribosome. It has been suggested that
interactions between the emerging polypeptide and the ribosome surface might allow the …

[HTML][HTML] Nascent chains can form co-translational folding intermediates that promote post-translational folding outcomes in a disease-causing protein

…, SHS Chan, OL Thomas, AME Cassaignau… - Nature …, 2021 - nature.com
During biosynthesis, proteins can begin folding co-translationally to acquire their biologically-active
structures. Folding, however, is an imperfect process and in many cases misfolding …

A strategy for co-translational folding studies of ribosome-bound nascent chain complexes using NMR spectroscopy

AME Cassaignau, HMM Launay, ME Karyadi… - Nature protocols, 2016 - nature.com
During biosynthesis on the ribosome, an elongating nascent polypeptide chain can begin to
fold, in a process that is central to all living systems. Detailed structural studies of co-…

Systematic mapping of free energy landscapes of a growing filamin domain during biosynthesis

…, ME Karyadi, AME Cassaignau… - Proceedings of the …, 2018 - National Acad Sciences
Cotranslational folding (CTF) is a fundamental molecular process that ensures efficient protein
biosynthesis and minimizes the formation of misfolded states. However, the complexity of …

Common sequence motifs of nascent chains engage the ribosome surface and trigger factor

A Deckert, AME Cassaignau, X Wang… - Proceedings of the …, 2021 - National Acad Sciences
In the cell, the conformations of nascent polypeptide chains during translation are modulated
by both the ribosome and its associated molecular chaperone, trigger factor. The specific …

[HTML][HTML] Nascent chain dynamics and ribosome interactions within folded ribosome–nascent chain complexes observed by NMR spectroscopy

…, CA Waudby, T Włodarski, AME Cassaignau… - Chemical …, 2021 - pubs.rsc.org
The folding of many proteins can begin during biosynthesis on the ribosome and can be
modulated by the ribosome itself. Such perturbations are generally believed to be mediated …