1. Structural Bioinformatics Laboratory, Biochemistry, Faculty of Science and EngineeringÅbo Akademi University Turku 20520 Finland
2. Institute for Biological Instrumentation of the Russian Academy of Sciences Pushchino 142290 Russia
3. Tohoku University, Biomolecular Engineering Sendai Miyagi 980‐8579 Japan
4. Pharmaceutical Sciences Laboratory, Faculty of Science and Engineering, PharmacyÅbo Akademi University Turku 20520 Finland