1. Department of Physics, Graduate School of Science, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8602, Japan
2. Graduate School of System Informatics, Kobe University, Kobe 657-8501, Japan
3. Biostructural Mechanism Laboratory, RIKEN SPring-8 Center, 776 Sayo, Hyogo 679-5148, Japan
4. Graduate School of Science, University of Hyogo, Ako-gun, Hyogo 678-1297, Japan
5. Graduate School of Agriculture, Kyoto University, Kyoto 606-8502, Japan
6. Laboratory of Supramolecular Crystallography, Institute for Protein Research, Osaka University, Suita, Osaka 565-0871, Japan