An allosteric binding site of the α7 nicotinic acetylcholine receptor revealed in a humanized acetylcholine binding protein. by Delbart, F, Brams, M, Gruss, F, Noppen, S, Peigneur, S, Boland, S, Chaltin, P, Brandao-Neto, J, von Delft, F, Touw, W, Joosten, R, Liekens, S, Tytgat, J, Ulens, C