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  • Title: Localization of the chaperone binding site.
    Author: Boyle D, Gopalakrishnan S, Takemoto L.
    Journal: Biochem Biophys Res Commun; 1993 May 14; 192(3):1147-54. PubMed ID: 8507188.
    Abstract:
    The hypothesis derived from models of the multi-oligomeric chaperone complex suggests that partially denatured proteins bind in a central cavity in the aggregate. To test this hypothesis, the molecular chaperone, alpha crystallin, was bound to partially denatured forms of gamma crystallin, and the binding site was visualized by immunogold localization. In an alternative approach, gold particles were directly complexed with gamma crystallin, followed by binding to the alpha crystallin aggregate. In both cases, binding was localized to the central region of the aggregate, confirming for the first time that partially denatured proteins do indeed bind to a central region of the molecular chaperone aggregate.
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