1. Department of Chemistry, University of Washington, Box 351700 Bagley Hall, Seattle, Washington 98195-1700, University of Iceland, Science Institute, Dunhaga 3, 107 Reykjavik, Iceland, Portland Bioscience, Inc., Portland, Oregon 97201, Fleming Pharmaceuticals, 1733 Gilsinn Lane, Fenton, Missouri 63026, Molecular Physiology and Biophysics and Center for Structural Biology, Vanderbilt University, Nashville, Tennessee 37232, and Department of Physics and Department of Chemistry, Portland State University,...