1QTI:
reference: Three-dimensional structure of a complex of galanthamine (Nivalin) with acetylcholinesterase from Torpedo californica: implications for the design of new anti-Alzheimer drugs., Bartolucci C, Perola E, Pilger C, Fels G, Lamba D, Proteins 2001 Feb 1;42(2):182-91. PMID: 11119642

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