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The HSP90/R2TP quaternary chaperone assembles key cellular machines, including the three nuclear RNA polymerases and many non-coding RNPs. Here, we show that the R2TP binds many partners co-translationally. Remarkably, its co-translational interactome reveals many novel potential clients, and side-b...
ORGANISM(S): Homo sapiens (Human) 
2026-01-06 | PXD061298 | Pride
Heat shock protein-90 chaperone machinery is involved in the stability and activity of its client proteins. The chaperone function of Hsp90 is regulated by co-chaperones and post-translational modifications. Although structural evidence exists for Hsp90 interaction with clients, our understanding of...
ORGANISM(S): Homo sapiens (Human) 
2023-05-30 | PXD030486 | Pride
Eukaryotic protein homeostasis (proteostasis) is largely dependent on the action of highly conserved Hsp70 molecular chaperones. Recent evidence indicates that apart from conserved molecular allostery, Hsp70 proteins retained and adapted throughout the evolution the ability to assemble as functional...
ORGANISM(S): Homo sapiens (Human) 
2018-12-11 | PXD010069 | Pride
Co-chaperone protein CAR Cytoplasmic Retention Protein (CCRP) interacts with various nuclear receptors and determines their localization. However, there is limited information about in vivo role of CCRP especially in nuclear receptor-mediated gene regulation. We have generated CCRP global knockout (...
ORGANISM(S): Mus musculus 
Proteome-wide determinants of co-translational chaperone binding in bacteria
Co-translational determination of quaternary structures in chaperone factories
Molecular chaperones assist in protein folding by interacting with nascent polypeptide chains (NCs) during translation, but whether the ribosome can sense chaperone defects and abort translation of misfolding NCs has not been explored. Here we used quantitative proteomics in E. coli to investigate t...
ORGANISM(S): Escherichia coli 
2022-12-09 | PXD025219 | Pride
Protein biomarkers can be used to characterize and diagnose disease states such as cancer. They can also serve as therapeutic targets. Current methods for protein biomarker discovery, which generally rely on the large-scale analysis of gene and/or protein expression levels, fail to detect protein b...
ORGANISM(S): Homo Sapiens (ncbitaxon:9606) 
2017-03-29 | MSV000080761 | MassIVE
Protein biomarkers can be used to characterize and diagnose disease states such as cancer. They can also serve as therapeutic targets. Current methods for protein biomarker discovery, which generally rely on the large-scale analysis of gene and/or protein expression levels, fail to detect protein b...
ORGANISM(S): Homo Sapiens (ncbitaxon:9606) 
2017-03-29 | MSV000080760 | MassIVE
Chaperones are essential to the co-translational folding of most proteins. However, the principles of co-translational chaperone interaction throughout the proteome are poorly understood, as current methods are restricted to few substrates and cannot capture nascent protein folding or chaperone bind...
ORGANISM(S): Escherichia coli 
2025-03-25 | GSE292386 | GEO
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