1. Department of Applied Chemistry, School of Engineering, The University of Tokyo, Bunkyo-ku, Tokyo 113-8656,
2
Department of Biotechnology, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871 and
3
CREST, Japan Science and Technology Agency, The University of Tokyo, Bunkyo-ku, Tokyo 113-8656, Japan