3WN4:
reference: Structure-Based Design of Novel Human Toll-like Receptor 8 Agonists., Kokatla HP, Sil D, Tanji H, Ohto U, Malladi SS, Fox LM, Shimizu T, David SA, ChemMedChem. 2014 Jan 28. doi: 10.1002/cmdc.201300573. PMID: 24474703

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