4B2T:
reference: The Crystal Structures of the Eukaryotic Chaperonin CCT Reveal Its Functional Partitioning., Kalisman N, Schroder GF, Levitt M, Structure. 2013 Mar 5. pii: S0969-2126(13)00039-7. doi:, 10.1016/j.str.2013.01.017. PMID: 23478063

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