Article
The asymmetric trimeric architecture of [2Fe-2S] IscU: implications for its scaffolding during iron-sulfur cluster biosynthesis.
Journal of molecular biology - 31 Oct 2008
Shimomura Yoshimitsu, Wada Kei, Fukuyama Keiichi, Takahashi Yasuhiro
Abstract excerpt
IscU is a key component of the ISC machinery and is involved in the biogenesis of iron-sulfur (Fe-S) proteins. IscU serves as a scaffold for assembly of a nascent Fe-S cluster prior to its delivery to an apo protein. Here, we report the first crystal structure of IscU with a bound [2Fe-2S] cluster from the hyperthermophilic bacterium Aquifex aeolicus, determined at a resolution of 2.3 A, using multiwavelength...
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