The molecular chaperone heat shock protein 90 is essential to maturate a large set of client proteins. In this thesis the folding and dimer-assembly process of such a large system is investigated using optical tweezers. It is found that the formation of intra- and cross-domain misfolds dominates protein folding. After assembly, heat shock protein 90 undergoes large conformational changes, which are important for the function and studied using single molecule methods. Particularly interesting is a domain linker, which regulates the conformations of the system.
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The molecular chaperone heat shock protein 90 is essential to maturate a large set of client proteins. In this thesis the folding and dimer-assembly process of such a large system is investigated using optical tweezers. It is found that the formation of intra- and cross-domain misfolds dominates protein folding. After assembly, heat shock protein 90 undergoes large conformational changes, which are important for the function and studied using single molecule methods. Particularly interesting is...
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