4BDT:
reference: Crystal Structures of Human Cholinesterases in Complex with Huprine W and Tacrine: Elements of Specificity for Anti-Alzheimer's Drugs Targeting Acetyl- and Butyrylcholinesterase., Nachon F, Carletti E, Ronco C, Trovaslet M, Nicolet Y, Jean L, Renard PY, Biochem J. 2013 May 17. PMID: 23679855

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