1. Department of Microbiology-Immunology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
2. Center for Structural Genomics of Infectious Diseases, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
3. Center for Structural Genomics of Infectious Diseases, Consortium for Advanced Science and Engineering, University of Chicago, Chicago, Illinois, USA
4. Structural Biology Center, X-Ray Science Division, Argonne National Laboratory, Lemont, Illinois, USA
5. Department of Biomedical Sciences, University of California, Riverside School of Medicine, Riverside, California, USA
6. Center for Structural Genomics of Infectious Diseases, University of California, Riverside School of Medicine, Riverside, California, USA
7. Department of Biochemistry and Molecular Biology, University of Chicago, Chicago, Illinois, USA