1. Department
of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto 606-8502, Japan
2. Structural Biology Center, National Institute
of Genetics, and Department of Genetics, School of Life Science, Graduate University for Advanced Studies (Sokendai), Mishima, Shizuoka 411-8540, Japan
3. Institute for Integrated Cell-Material
Science (WPI-iCeMS), Kyoto University, Sakyo, Kyoto 606-8501, Japan