Interchangeability and distinct properties of bacterial Fe-S cluster assembly systems: functional replacement of the isc and suf operons in Escherichia coli with the nifSU-like operon from Helicobacter pylori.

Abstract excerpt

The assembly of iron-sulfur (Fe-S) clusters, a key step in the post-translational maturation of Fe-S proteins, is mediated by a complex apparatus. In E. coli, this process involves two independent systems called ISC and SUF encoded by the iscSUA-hscBA-fdx gene cluster and sufABCDSE operon, respectively. Another system, termed NIF (nifSU), is required for the maturation of nitrogenase in nitrogen-fixing bacteria....

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