1. Faculty of Pharmaceutical Sciences; Hokkaido University; Kita-12, Nishi-6, Kita-ku Sapporo Hokkaido 060-0812 Japan
2. Computational Biology Research Center; National Institute of Advanced Industrial Science and Technology; 2-4-7, Aomi, Koutou-ku Tokyo 135-0064 Japan
3. School of Pharmaceutical Sciences; University of Shizuoka; Yata, Suruga-ku Shizuoka Shizuoka 422-8526 Japan
4. Rigaku Corporation; Application Laboratories; 3-9-12, Matsubara-cho Akishima Tokyo 196-8666 Japan
5. Center for Research and Education on Drug Discovery; Hokkaido University; Kita-12, Nishi-6, Kita-ku Sapporo Hokkaido 060-0812 Japan