1. Department of Applied Chemistry and Biotechnology, Faculty of Engineering, Yamanashi University, 4 Takeda, Kofu 400-8511, Japan, Department of Bioengineering, Faculty of Bioscience and Biotechnology, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama 226-8501, Japan, and Tokyo Polytechnic College, 2-32-1 Ogawa-nishi-machi, Kodaira, Tokyo 187-0035, Japan