Robyn Stanfield1, Edwin Pozharski2, Bernhard Rupp3. 1. The Scripps Research Institute, La Jolla, CA 92037; 2. School of Medicine, University of Maryland, Baltimore, MD 21201; EPozharskiy@som.umaryland.edu. 3. Medical University of Innsbruck, A 6020 Innsbruck, Austria; and Department of Forensic Crystallography, k.-k. Hofkristallamt, Vista, CA 92084.