1. Verna and Marrs McLean Department of Biochemistry and Molecular Pharmacology, Baylor College of Medicine, One Baylor Plaza, Houston, Texas 77030, United States
2. Department of Chemistry, Rice University, 6100 Main Street, Houston, Texas 77005, United States
3. Center for Drug Discovery, Department of Pathology and Immunology, Baylor College of Medicine, One Baylor Plaza, Houston, Texas 77030, United States