1. Faculty
of Pharmaceutical Sciences, Hokkaido University, Hokkaido 060-0812, Japan
2. Department
of Chemistry, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo, 113-0033, Japan
3. Department
of Chemistry and Biotechnology, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo, 113-8656, Japan
4. Department of Microbiology
and Cell Biology, Tokyo Metropolitan Institute of Medical Science, Tokyo 156-8506, Japan