1. Department of Biochemistry and Microbiology, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand
2. Life Science Materials Laboratory, ADEKA Corporation, 7-2-34 Higashiogu, Arakawa-ku, Tokyo 116-8553, Japan
3. Department of Applied Biology, Graduate School of Science and Technology, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan