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Updated: Jul 29, 2026

Microfluidic Mixers for Studying Protein Folding
Published on: April 10, 2012
Folding of nascent polypeptide chains in a high molecular mass assembly with molecular chaperones
J Frydman1, E Nimmesgern, K Ohtsuka
1Howard Hughes Medical Institute, Memorial Sloan-Kettering Cancer Center, New York, New York 10021.
Abstract:
The folding of polypeptides emerging from ribosomes was analysed in a mammalian translation system using firefly luciferase as a model protein. The growing polypeptide interacts with a specific set of molecular chaperones, including Hsp70, the DnaJ homologue Hsp40 and the chaperonin TRiC. The ordered assembly of these components on the nascent chain forms a high molecular mass complex that allows the cotranslational formation of protein domains and the completion of folding once the chain is released from the ribosome.
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