6FTV:
reference: The NAMI A - human ferritin system: a biophysical characterization., Ciambellotti S, Pratesi A, Severi M, Ferraro G, Alessio E, Merlino A, Messori L, Dalton Trans. 2018 Jul 31. doi: 10.1039/c8dt00860d. PMID: 30063237

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