1. School of Biology and School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, Georgia 30332, Department of Cell Biology and Neuroscience, University of California−Riverside, Riverside, California 92521, Bristol-Myers Squibb Pharmaceutical Research Institute, Princeton, New Jersey 08543, Institute for Tuberculosis Research, College of Pharmacy, University of Illinois at Chicago, Chicago, Illinois 60612, and Institute of Applied Sciences, University of the South Pacific, Suva, Fiji