1. Structural Biology Research Center and Division of Biological Science, Graduate School of Science, Nagoya University; Nagoya Japan
2. ERATO Actin Filament Dynamics Project, Japan Science and Technology Agency c/o RIKEN; Hyogo Japan
3. Laboratory for Structural Biochemistry, RIKEN Harima Institute Spring-8 Center; Hyogo Japan
4. X-ray Structural Analysis Research Team, RIKEN Spring-8 Center, RIKEN Harima Institute; Hyogo Japan