The complex of a bivalent derivative of galanthamine with torpedo acetylcholinesterase displays drastic deformation of the active-site gorge: implications for structure-based drug design - Greenblatt, H M; Guillou, C; Guenard, D; Argaman, A; Botti, S; Badet, B; Thal, C; Silman, I; Sussman, J L (J Am Chem Soc, 2004)