5GN8:
reference: "Silent" Amino Acid Residues at Key Subunit Interfaces Regulate the Geometry of Protein Nanocages., Zhang S, Zang J, Zhang X, Chen H, Mikami B, Zhao G, ACS Nano. 2016 Nov 22;10(11):10382-10388. Epub 2016 Nov 9. PMID: 27934076

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