6URW:
reference: Small Molecule Inhibitors Targeting the Interaction of Ricin Toxin A Subunit with Ribosomes., Li XP, Harijan RK, Kahn JN, Schramm VL, Tumer NE, ACS Infect Dis. 2020 Jun 8. doi: 10.1021/acsinfecdis.0c00127. PMID: 32428396

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