6AE1:
reference: Crystal Structures of Csm2 and Csm3 in the Type III-A CRISPR-Cas Effector Complex., Takeshita D, Sato M, Inanaga H, Numata T, J Mol Biol. 2019 Jan 11. pii: S0022-2836(18)30903-3. doi:, 10.1016/j.jmb.2019.01.009. PMID: 30639408

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