1. Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, San Diego, La Jolla, California 92093, United States
2. Department of Chemistry, University of California, Davis, California 95616, United States
3. Computational and Systems Biology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, New York 10065, United States
4. Department of Pharmaceutical Sciences and Department of Chemistry, University of California, Irvine, California 92697, United States