1. Department of Ophthalmology,
2. Department of Pharmacology,
3. Department of Chemistry,
4. Structural Biophysics Laboratory, RIKEN Harima Institute, 1-1-1 Kouto, Mikazuki-cho, Sayo-gun, Hyogo 679-5148, Japan.
5. Graduate School of Bioscience and Biotechnology, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama 226-8501, Japan
6. Department of Biochemistry,
7. Biomolecular Structure Center, University of Washington, Seattle, WA 98195, USA.
8. Department of Biological Structure, and