1. Bioplastic Research Team, RIKEN Center for Sustainable Resource Science, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
2. Department of Life Science and Technology, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8550, Japan
3. Research Center, Corporate Research Division, Nippon Shokubai Co., Ltd., 5-8 Nishi Otabi-cho, Suita, Osaka 564-0034, Japan
4. Nippon Shokubai Research Alliance Laboratory, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan