6KRM:
reference: Disassembly of the ring-type decameric structure of peroxiredoxin from Aeropyrum pernix K1 by amino acid mutation., Himiyama T, Nakamura T, Protein Sci. 2020 May;29(5):1138-1147. doi: 10.1002/pro.3837. Epub 2020 Feb 12. PMID: 32022337

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).