1. Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
2. Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo, Hokkaido 060-0812, Japan
3. Department of Biophysical Chemistry, Kyoto Pharmaceutical University, Kyoto, Kyoto 607-8414, Japan
4. Department of Biochemistry and Biophysics, Arrhenius Laboratories for Natural Sciences, Stockholm University, 10691 Stockholm, Sweden
5. Department of Neurochemistry, Stockholm University, 10692 Stockholm, Sweden