Article
Histidine 103 in Fra2 is an iron-sulfur cluster ligand in the [2Fe-2S] Fra2-Grx3 complex and is required for in vivo iron signaling in yeast.
The Journal of biological chemistry - 7 Jan 2011
Li Haoran, Mapolelo Daphne T, Dingra Nin N, Keller Greg, Riggs-Gelasco Pamela J, Winge Dennis R, Johnson Michael K, Outten Caryn E
Abstract excerpt
The BolA homologue Fra2 and the cytosolic monothiol glutaredoxins Grx3 and Grx4 together play a key role in regulating iron homeostasis in Saccharomyces cerevisiae. Genetic studies indicate that Grx3/4 and Fra2 regulate activity of the iron-responsive transcription factors Aft1 and Aft2 in response to mitochondrial Fe-S cluster biosynthesis. We have previously shown that Fra2 and Grx3/4 form a...
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