Article
Expression, purification and characterization of an iron-sulfur cluster assembly protein, IscU, from Acidithiobacillus ferrooxidans.
Biotechnology letters - 1 Dec 2007
Zeng Jia, Zhao Wenjie, Liu Yuandong, Xia Lexian, Liu Jianshe, Qiu Guanzhou
Abstract excerpt
An iron-sulfur cluster assembly protein, IscU, is encoded by the operon iscSUA in Acidithiobacillus ferrooxidans. The gene of IscU was cloned and expressed in Escherichia coli. The protein was purified by one-step affinity chromatography to homogeneity. The protein was in apo-form, the [Fe(2)S(2)] cluster could be assembled in apoIscU with Fe(2+) and sulfide in vitro, and in the presence of IscA and IscS, the...
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