1. Institute for Laser Technology, Utsubo-Hommachi 1-8-4, Nishiku, Osaka 550-0004, Japan, Department of Applied Chemistry and Bioengineering, Graduate School of Engineering, Osaka City University, 3-3-138 Sugimoto, Sumiyoshiku, Osaka 558-8585, Japan, and Department of Biochemistry, Center for Excellence in Protein Structure and Function, Faculty of Science, Mahidol University, 272 Rama VI Road, Bangkok, 10400, Thailand