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Publications associées (94)

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A novel UGGT1 and p97-dependent checkpoint for native ectodomains with ionizable intramembrane residue

Maurizio Molinari

Only native polypeptides are released from the endoplasmic reticulum (ER) to be transported at the site of activity. Persistently misfolded proteins are retained and eventually selected for ER-associated degradation (ERAD). The paradox of a structure-based ...

Amer Soc Cell Biology2015

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The disulfide bonds that form between two cysteine residues are important in defining and rigidifying the structures of proteins and peptides. In polypeptides containing multiple cysteine residues, disulfide isomerization can lead to multiple products with ...

Nature Publishing Group2014

Large-scale filament formation inhibits the activity of CTP synthetase

Anne-Florence Raphaëlle Bitbol, Hsin-Jung Li

Synthetase (CtpS) is a universally conserved and essential metabolic enzyme. While many enzymes form small oligomers, CtpS forms large-scale filamentous structures of unknown function in prokaryotes and eukaryotes. By simultaneously monitoring CtpS polymer ...

eLife Sciences Publications, Ltd2014

A biocompatible "split luciferin" reaction and its application for non-invasive bioluminescent imaging of protease activity in living animals

Aurélien Godinat, Alma Rosa Morales Morales, Ghyslain Martial Alain Budin

The great complexity of many human pathologies, such as cancer, diabetes, and neurodegenerative diseases, requires new tools for studies of biological processes on the whole organism level. The discovery of novel biocompatible reactions has tremendously ad ...

2014

Active Conformation Control of Unfolded Proteins by Hyperthermal Collision with a Metal Surface

Klaus Kern, Stephan Rauschenbach, Gordon Rinke

The physical and chemical properties of macromolecules like proteins are strongly dependent on their conformation. The degrees of freedom of their chemical bonds generate a huge conformational space, of which, however, only a small fraction is accessible i ...

Amer Chemical Soc2014

Advantages of Extended Bottom-Up Proteomics Using Sap9 for Analysis of Monoclonal Antibodies

Yury Tsybin, Luca Fornelli, Kristina Srzentic, Unige Anna Laskay, Daniel Ayoub

Despite the recent advances in structural analysis of monoclonal antibodies with bottom-up, middle-down, and top-down mass spectrometry (MS), further improvements in analysis accuracy, depth, and speed are needed. The remaining challenges include quantitat ...

Amer Chemical Soc2014

Role and regulation of the melanization reaction in Drosophila immune response

Olivier Binggeli

In arthropods, the melanization reaction consists in the rapid synthesis of melanin at the site of infection and injury. A key enzyme in the melanization process is phenoloxidase (PO), which catalyzes the oxidation of phenols to quinones that subsequently ...

EPFL2013

Protein folding in the endoplasmic reticulum (ER) is error prone, and ER quality control (ERQC) processes ensure that only correctly folded proteins are exported from the ER. Glycoproteins can be retained in the ER by ERQC, and this retention contributes t ...

Amer Soc Cell Biology2013

Furin Is the Primary in Vivo Convertase of Angiopoietin-like 3 and Endothelial Lipase in Hepatocytes

Daniel Constam

The proprotein convertases (PCs) furin, PC5/6, and PACE4 exhibit unique and/or complementary functions. Their knockout (KO) in mice resulted in strong and specific phenotypes demonstrating that, in vivo, these PCs are unique and essential during developmen ...

American Society for Biochemistry and Molecular Biology2013

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Inhibition of coagulation factor XII (FXII) activity represents an attractive approach for the treatment and prevention of thrombotic diseases. The few existing FXII inhibitors suffer from low selectivity. Using phage display combined to rational design, w ...

2013