5V5K:
reference: Thermophilic Ferritin 24mer Assembly and Nanoparticle Encapsulation Modulated by Interdimer Electrostatic Repulsion., Pulsipher KW, Villegas JA, Roose BW, Hicks TL, Yoon J, Saven JG, Dmochowski IJ, Biochemistry. 2017 Jul 18;56(28):3596-3606. doi: 10.1021/acs.biochem.7b00296., Epub 2017 Jul 6. PMID: 28682599

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