1. Department
of Chemistry, Stanford University, Stanford, California 94305-5080, United States
2. Department
of Chemistry, KAIST, Daejeon 34141, Republic of Korea
3. Department
of Biochemistry and Molecular Biology, Pennsylvania State University, University Park, Pennsylvania 16802, United States
4. SPring-8/JASRI, Sayo-gun, Hyogo 679-5198, Japan
5. Research
Reactor Institute, Kyoto University, Kumatori-cho, Osaka 590-0494, Japan
6. Advanced
Photon Source, Argonne National Laboratory, Lemont, Illinois 60439, United States
7. Department
of Chemistry, Pennsylvania State University, University Park, Pennsylvania 16802, United States
8. Stanford
Synchrotron Radiation Lightsource, SLAC National Accelerator Laboratory, Stanford, California 94309, United States