Advanced Center for Computing and Communication, RIKEN, Hirosawa, Wako, Saitama, Japan, Department of Biophysics, Graduate School of Science, Kyoto University, Kyoto, Kitashirakawa Sakyo, Kyoto, Japan.|Advanced Center for Computing and Communication, RIKEN, Hirosawa, Wako, Saitama, Japan, Department of Biophysics, Graduate School of Science, Kyoto University, Kyoto, Kitashirakawa Sakyo, Kyoto, Japan.