1. Graduate School of Chemical Sciences and Engineering, Hokkaido University, Sapporo 060-8628, Japan
2. Graduate School of Medical Sciences, Tokushima University, Tokushima 770-8503, Japan
3. Faculty of Education and Integrated Arts and Sciences, Waseda University, Tokyo 169-8050, Japan
4. Division of Structural Biology, Medical Institute of Bioregulation, Kyushu University, Fukuoka 812-8582, Japan
5. Department of Chemistry, Faculty of Science, Hokkaido University, Sapporo 060-0810, Japan
6. Institute of Advanced Medical Sciences, Tokushima University, Tokushima 770-8503, Japan
7. Fujii Memorial Institute of Medical Sciences, Institute of Advanced Medical Sciences, Tokushima University, Tokushima 770-8503, Japan