1. Department of Chemistry, University of California, Irvine, 1102 Natural Sciences 2, Irvine, California 92697-2025, United States
2. Department of Molecular Biology and Biochemistry, University of California, Irvine, 3205 McGaugh Hall, Irvine, California 92697-3900, United States
3. Department of Pharmaceutical Sciences, University of California, Irvine, 856 Health Sciences Road, Suite 5400, Irvine, California 92697-3958, United States