[PDF][PDF] Cotranslational protein folding inside the ribosome exit tunnel

OB Nilsson, R Hedman, J Marino, S Wickles, L Bischoff… - Cell reports, 2015 - cell.com
At what point during translation do proteins fold? It is well established that proteins can fold
cotranslationally outside the ribosome exit tunnel, whereas studies of folding inside the exit …

A biphasic pulling force acts on transmembrane helices during translocon-mediated membrane integration

N Ismail, R Hedman, N Schiller… - Nature structural & …, 2012 - nature.com
Membrane proteins destined for insertion into the inner membrane of bacteria or the
endoplasmic reticulum membrane in eukaryotic cells are synthesized by ribosomes bound to the …

Computational design of a protein-based enzyme inhibitor

E Procko, R Hedman, K Hamilton… - Journal of molecular …, 2013 - Elsevier
While there has been considerable progress in designing protein–protein interactions, the
design of proteins that bind polar surfaces is an unmet challenge. We describe the …

The force-sensing peptide VemP employs extreme compaction and secondary structure formation to induce ribosomal stalling

T Su, J Cheng, D Sohmen, R Hedman… - elife, 2017 - elifesciences.org
10.7554/eLife.25642.001 Interaction between the nascent polypeptide chain and the ribosomal
exit tunnel can modulate the rate of translation and induce translational arrest to regulate …

Charge-driven dynamics of nascent-chain movement through the SecYEG translocon

N Ismail, R Hedman, M Lindén… - Nature structural & …, 2015 - nature.com
On average, every fifth residue in secretory proteins carries either a positive or a negative
charge. In a bacterium such as Escherichia coli, charged residues are exposed to an electric …

[HTML][HTML] Exploration of the arrest peptide sequence space reveals arrest-enhanced variants

F Cymer, R Hedman, N Ismail, G von Heijne - Journal of Biological …, 2015 - ASBMB
Translational arrest peptides (APs) are short stretches of polypeptides that induce
translational stalling when synthesized on a ribosome. Mechanical pulling forces acting on the …

[PDF][PDF] Forces on nascent polypeptides during membrane insertion and translocation via the Sec translocon

MJM Niesen, A Müller-Lucks, R Hedman… - Biophysical …, 2018 - cell.com
During ribosomal translation, nascent polypeptide chains (NCs) undergo a variety of physical
processes that determine their fate in the cell. This study utilizes a combination of arrest …

[HTML][HTML] Cotranslational translocation and folding of a periplasmic protein domain in Escherichia coli

H Sandhu, R Hedman, F Cymer, R Kudva… - Journal of Molecular …, 2021 - Elsevier
In Gram-negative bacteria, periplasmic domains in inner membrane proteins are cotranslationally
translocated across the inner membrane through the SecYEG translocon. To what …

Cotranslational folding of a periplasmic protein domain in Escherichia coli

H Sandhu, R Hedman, F Cymer, R Kudva, N Ismail… - bioRxiv, 2021 - biorxiv.org
In Gram-negative bacteria, periplasmic domains in inner membrane proteins are cotranslationally
translocated across the inner membrane through the SecYEG translocon. To what …

[HTML][HTML] Dynamics of peptide chains during co-translational translocation, membrane integration & domain folding

R Hedman - 2015 - diva-portal.org
The biosynthesis of proteins occurs at the ribosomes, where amino acids are linked together
into linear chains. Nascent protein chains may undergo several different processes during …