2FQL:
reference: The structures of frataxin oligomers reveal the mechanism for the delivery and detoxification of iron., Karlberg T, Schagerlof U, Gakh O, Park S, Ryde U, Lindahl M, Leath K, Garman E, Isaya G, Al-Karadaghi S, Structure. 2006 Oct;14(10):1535-46. PMID: 17027502

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