1. Department of Biotechnology Graduate School of Agricultural and Life science The University of Tokyo 1-1-1 Yayoi, Bunkyo-ku Tokyo 113-8657 Japan
2. Collaborative Research Institute for Innovative Microbiology The University of Tokyo 1-1-1 Yayoi, Bunkyo-ku Tokyo 113-8657 Japan
3. Structural Biology Research Center Institute of Materials Structure Science High Energy Accelerator Research Organization (KEK) 1-1 Oho, Tsukuba Ibaraki 305-0801 Japan
4. Department of Materials Structure Science School of High Energy Accelerator Science The Graduate University of Advanced Studies (Soken-dai) 1-1 Oho, Tsukuba Ibaraki 305-0801 Japan
5. National Institute of Advanced Industrial Science and Technology (AIST) 2-4-7 Aomi, Koto-ku Tokyo 135-0064 Japan
6. Biotechnology Research Center The University of Tokyo 1-1-1 Yayoi, Bunkyo-ku Tokyo Japan