1. Department
of Chemistry, University of Tsukuba, Tsukuba 305-8571, Japan
2. Structural
Biology Research Center, Institute of Materials Structure Science, KEK/High Energy Accelerator Research Organization, 1-1 Oho, Tsukuba, Ibaraki 305-0801, Japan
3. Department
of Materials Engineering, National Institute of Technology, Nagaoka College, Nagaoka 940-8532, Japan
4. Department
of Physical Chemistry, Graduate School of Pharmaceutical Sciences, Chiba University, Chuoh-Inohana, Chiba 260-8675, Japan
5. Life
Science Center of Tsukuba Advanced Research Alliance, University of Tsukuba, Tsukuba 305-8577, Japan