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http://purl.uniprot.org/citations/15978066 | http://www.w3.org/2000/01/rdf-schema#comment | "In bacteria, Trigger factor (TF) is the first chaperone that interacts with nascent polypeptides as soon as they emerge from the exit tunnel of the ribosome. TF binds to the ribosomal protein L23 located next to the tunnel exit of the large subunit, with which it forms a cradle-like space embracing the polypeptide exit region. It cooperates with the DnaK Hsp70 chaperone system to ensure correct folding of a number of newly translated cytosolic proteins in Escherichia coli. Whereas TF is exclusively found in prokaryotes and chloroplasts, Saccharomyces cerevisiae, a eukaryotic microorganism, has a three-member Hsp70-J protein complex, Ssb-Ssz-Zuo, which could act as a ribosome-associated folding facilitator. In the work reported in this volume of Molecular Microbiology, Rauch et al. (2005, Mol Microbiol, doi:10.1111/j.1365-2958.2005.04690.x) examined the functional similarity of the ribosome-associated chaperones in prokaryotes and eukaryotes. In spite of the fact that TF and the Hsp70-based triad are structurally unrelated, TF can bind to the yeast ribosome via Rpl25 (the L23 counterpart) and can substitute for some, but not all, of the functions assigned to Ssb-Ssz-Zuo in yeast. The functional conservation of the ribosome-associated chaperones without structural similarity is remarkable and suggests that during evolution nature has employed a common design but divergent components to facilitate folding of polypeptides as they emerge from the ribosomal exit, a fundamental process required for the efficient expression of genetic information."xsd:string |
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http://purl.uniprot.org/citations/15978066 | http://purl.uniprot.org/core/author | "Ito K."xsd:string |
http://purl.uniprot.org/citations/15978066 | http://purl.uniprot.org/core/date | "2005"xsd:gYear |
http://purl.uniprot.org/citations/15978066 | http://purl.uniprot.org/core/name | "Mol Microbiol"xsd:string |
http://purl.uniprot.org/citations/15978066 | http://purl.uniprot.org/core/pages | "313-317"xsd:string |
http://purl.uniprot.org/citations/15978066 | http://purl.uniprot.org/core/title | "Ribosome-based protein folding systems are structurally divergent but functionally universal across biological kingdoms."xsd:string |
http://purl.uniprot.org/citations/15978066 | http://purl.uniprot.org/core/volume | "57"xsd:string |
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