1. Institute of Enzymology, Biological Research Center, Hungarian Academy of Sciences, P.O. Box 7, H-1518 Budapest, Hungary, Protein Modeling Group, Hungarian Academy of Sciences-Eötvös Loránd University, Pázmány Péter st. 1A, H-1117 Budapest, Hungary, Department of Computer Assisted Drug Discovery, Gedeon Richter Ltd., P.O. Box 27, H-1475 Budapest 10, Hungary, Department of Chemical Information Technologies, Budapest University of Technology and Economics, H-1111, Budapest, Szt. Gellért tér 4, and...