1. Department of Chemistry and Molecular Biology, University of Gothenburg, S-405 30 Gothenburg, Sweden
2. Department of Structural and Functional Biology, Synthetic Biology Laboratory, Institute of Biology, University of Campinas, Campinas, SP 13083-862, Brazil
3. Seattle Structural Genomics Center for Infectious Disease, Seattle, Washington 98109, United States
4. Center for Global Infectious Disease Research, Seattle Children’s Research Institute, Seattle, Washington 98109, United States
5. Molecular Biophysics and Integrated Bioimaging, Berkeley Center for Structural Biology, Advanced Light Source, Berkeley National Laboratory, Berkeley, California 94720, United States
6. Department of Pediatrics, University of Washington, Seattle, Washington 98195, United States