1. Department of Biochemistry and Biophysics, Texas A&M University, College Station, Texas 77843, United States
2. Institute of Biochemistry, Biotechnology and Bioinformatics, Technische Universität Braunschweig, 38106 Braunschweig, Germany
3. UNC Eshelman School of Pharmacy and UNC School of Medicine, University of North Carolina, Chapel Hill, North Carolina 27599, United States
4. Department of Chemistry, Texas A&M University, College Station, Texas 77843, United States