1. Department
of Chemistry, University of California, 1102 Natural Sciences II, Irvine, California 92617, United States
2. School
of Pharmacy and Pharmaceutical Science, University of California, 9500 Gilman Drive, #0684, San Diego, California 92093, United States
3. Department
of Molecular Biology and Biochemistry, University of California, 3205 McGaugh
Hall, Irvine, California 92617, United States