Mechanism of mitochondrial [2Fe2S] cluster biosynthesis.

Iron‑sulfur (FeS) clusters constitute ancient cofactors that accompany a versatile range of fundamental biological reactions across eukaryotes and prokaryotes. Several cellular pathways exist to coordinate iron acquisition and sulfur mobilization towards a scaffold protein during the tightly regulated synthesis of FeS clusters. The mechanism of mitochondrial eukaryotic [2Fe-2S] cluster synthesis is coordinated by the Iron-Sulfur Cluster (ISC) machinery and its aberrations herein have strong implications to the field of disease and medicine which is therefore of particular interest. Here, we describe our current knowledge on the step-by-step mechanism leading to the production of mitochondrial [2Fe2S] clusters while highlighting the recent developments in the field alongside the challenges that are yet to be overcome.

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Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.