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. 2017 Nov 9;23(4):569–579. doi: 10.1007/s00775-017-1504-x

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© The Author(s) 2017

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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Fig. 4 — Structural model of bacterial FeS cluster assembly complex. PDB file of bacterial FeS assembly complex [100]. Residues predicted to be critical for frataxin interaction with the FeS cluster scaffold and cysteine desulfurase are listed for bacterial proteins (CyaY, IscU, and IscS) and their yeast orthologs (Yfh1, Isu1, and Nfs1, respectively), as indicated [60]