1. Department of Chemistry and Chemical Biology, McMaster University, Hamilton, Ontario L8S 4M1, Canada
2. Department of Biochemistry and Biomedical Sciences, McMaster University, Hamilton, Ontario L8S 4M1, Canada
3. Department of Biochemistry, University of Kassel, Heinrich-Plett-Strasse 40, 34132 Kassel, Germany
4. Verna and Marrs McLean Department of Biochemistry and Molecular Biology, Baylor College of Medicine, Houston, Texas 77030, United States
5. Department of Pharmacology and Chemical Biology, Baylor College of Medicine, Houston, Texas 77030, United States
6. Center for Drug Discovery, Baylor College of Medicine, Houston, Texas 77030, United States