6FCO:
reference: Structural and functional characterization of a frataxin from a thermophilic organism., Rasheed M, Jamshidiha M, Puglisi R, Yan R, Cota E, Pastore A, FEBS J. 2019 Feb;286(3):495-506. doi: 10.1111/febs.14750. Epub 2019 Jan 30. PMID: 30636112

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