Enzyme Research

Research from Central South University yields new findings on enzyme research

Published in Blood Weekly, December 27th, 2007

According to a study from Changsha, People's Republic of China, "Iron-sulfur clusters are one of the most common types of redox center in nature. Three proteins of IscS (a cysteine desulfurase), IscU (a scaffold protein) and IscA (an iron chaperon) encoded by the operon iscSUA are involved in the iron-sulfur cluster assembly in Acidithiobacillus ferrooxidans."

"In this study the gene of IscS from A. ferrooxidans ATCC 23270 was cloned and expressed in Escherichia coli, the protein was purified by one-step affinity chromatography to homogeneity. The molecular mass of recombinant IscS was 46 kDa by SDS-PAGE," wrote J. Zeng and colleagues, Central South University.

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Source: Blood Weekly (2007-12-27)

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