1. Department of Biochemistry, Department of Biological Sciences, Department of Chemistry, and Purdue Center for Cancer Research Purdue University, Hockmeyer Hall of Structural Biology 240 S. Martin Jischke Drive West Lafayette IN 47907 USA
2. Department of Chemistry, Bindley Bioscience Center, and Purdue Center for Cancer Research Purdue University, Wetherill Laboratory of Chemistry 560 Oval Drive West Lafayette IN 47907 USA