1. Department of Applied Science, University of California, Davis, California 95616, Physical Biosciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, Max Planck Institute for Terrestrial Microbiology, Karl-Von-Frisch-Strasse, D-35043 Marburg, Germany, Department of Chemistry, University of Illinois, Urbana, Illinois 61801, Department of Molecular Biology, The Scripps Research Institute, La Jolla, California 92037, Advanced Photon Source, Argonne National Laboratory, Argonne,...