1. Biological Macromolecules Laboratory Structural Biology Center National Institute of Genetics and Department of Genetics Sokendai (Graduate University for Advanced Studies) Mishima Japan
2. RIKEN SPring‐8 Center Sayo‐cho, Sayo‐gun Japan
3. Department of Biochemistry and Molecular Biology Colorado State University Fort Collins CO USA
4. XFEL Utilization Division Japan Synchrotron Radiation Research Institute (JASRI) Sayo‐gun Japan