1. Department
of Chemistry, University of California, Davis, California 95616, United States
2. Institut
für Chemie, Technische Universität Berlin, 10623 Berlin, Germany
3. Department
of Chemistry, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
4. Physical
Biosciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
5. Department of Biochemistry, Virginia Polytechnic Institute & State University, Blacksburg, Virginia 24061, United States
6. Research
and Utilization Division, SPring-8/JASRI, 1-1-1 Kouto, Sayo, Hyogo 679-5198, Japan
7. SR
Materials Science Instrumentation Unit, RIKEN SPring-8 Center, 1-1-1 Kouto, Sayo, Hyogo 679-5148, Japan