Article
Studies on the mechanism of catalysis of iron-sulfur cluster transfer from IscU[2Fe2S] by HscA/HscB chaperones.
Biochemistry - 2 Dec 2008
Bonomi Francesco, Iametti Stefania, Morleo Anna, Ta Dennis, Vickery Larry E
Abstract excerpt
The HscA/HscB chaperone/cochaperone system accelerates transfer of iron-sulfur clusters from the FeS-scaffold protein IscU (IscU(2)[2Fe2S], holo-IscU) to acceptor proteins in an ATP-dependent manner. We have employed visible region circular dichroism (CD) measurements to monitor chaperone-catalyzed cluster transfer from holo-IscU to apoferredoxin and to investigate chaperone-induced changes in properties of the...
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