| 4EY7: reference: Structures of human acetylcholinesterase in complex with pharmacologically important ligands., Cheung J, Rudolph MJ, Burshteyn F, Cassidy MS, Gary EN, Love J, Franklin MC, Height JJ, J Med Chem. 2012 Oct 4. PMID: 23035744 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).