

Preface. Modelling of Transmembrane alpha-Helix Bundles; P. Tuff?ry, C. Etchebest, R. Lavery. Binding Sites of Acetylcholine in the Aromatic Gorge Leading to the Active Site of Acetylcholinesterase; A. Pullman. Binding of Cations and Protons in the Active Site of Acetylcholinesterase;...