1. Department of Physics, Graduate school of Science, Nagoya University, Nagoya, Aichi 464-8602, Japan
2. Research Center for Computational Science, Institute for Molecular Science, Okazaki, Aichi 444-8585, Japan
3. Structural Biology Research Center, Graduate School of Science, Nagoya University, Nagoya, Aichi 464-8602, Japan
4. Center for Computational Science, Graduate School of Engineering, Nagoya University, Nagoya, Aichi 464-8603, Japan
5. Information Technology Center, Nagoya University, Nagoya, Aichi 464-8601, Japan
6. JST-CREST, Nagoya, Aichi 464-8602, Japan
7. Department of Structural Molecular Science, The Graduate University for Advanced Studies, Okazaki, Aichi 444-8585, Japan
8. Exploratory Research Center on Life and Living Systems, National Institutes of Natural Sciences, Okazaki, Aichi 444-8787, Japan