1. Kinetic Crystallography Research Team, Membrane Dynamics Research Group, RIKEN Harima Institute at SPring-8, 1-1-1 Kouto, Mikazuki-cho, Sayo-gun, Hyogo 679-5148, Japan, Department of Structural Biology, Graduate School of Pharmaceutical Sciences, Kyoto University, 46-29 Yoshida-Shimo-Adachi, Kyoto 606-8501, Japan, Institute for Chemical Research, Kyoto University, Gokasyo, Uji, Kyoto 611-0011, Japan, and BioScience Center, Nagoya University, Nagoya, Aichi 464-8601, Japan