1. Center for Drug Design, Academic Health Center, University of Minnesota, Minneapolis, Minnesota 55455, United States
2. Department
of Molecular Microbiology and Immunology and Department of Biochemistry, University of Missouri School of Medicine, Christopher S. Bond Life Sciences Center, Columbia, Missouri 65211, United States
3. Department of Microbiology and Molecular
Genetics, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania 15219, United States