Fe-S cluster biogenesis by the bacterial Suf pathway.
Fe-S cluster biogenesis by the bacterial Suf pathway.
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DOI:
10.1016/j.bbamcr.2020.118829
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发表时间:
2020-11
期刊:
影响因子:
--
通讯作者:
Outten FW
中科院分区:
文献类型:
--
作者:
Blahut M;Sanchez E;Fisher CE;Outten FW
Biogenesis of iron-sulfur (Fe-S) clusters in an essential process in living organisms due to the critical role of Fe-S cluster proteins in myriad cell functions. During biogenesis of Fe-S clusters, multi-protein complexes are used to drive the mobilization and protection of reactive sulfur and iron intermediates, regulate assembly of various Fe-S clusters on an ATPase-dependent, multi-protein scaffold, and target nascent clusters to their downstream protein targets. The evolutionarily ancient sulfur formation (Suf) pathway for Fe-S cluster assembly is found in bacteria and archaea. In Escherichia coli, the Suf pathway functions as an emergency pathway under conditions of iron limitation or oxidative stress. In other pathogenic bacteria, such as Mycobacterium tuberculosis and Enterococcus faecalis, the Suf pathway is the sole source for Fe-S clusters and therefore is a potential target for the development of novel antibacterial compounds. Here we summarize the considerable progress that has been made in characterizing the first step of mobilization and protection of reactive sulfur carried out by the SufS-SufE or SufS-SufU complex, Fe-S cluster assembly on SufBC2D scaffold complexes, and the downstream trafficking of nascent Fe-S clusters to A-type carrier (ATC) proteins.
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