1. Department
of Biochemistry, University of Washington, Seattle, Washington 98195, United States
2. Division
of Allergy and Infectious Diseases, Department of Medicine, University of Washington, Seattle, Washington 98195, United States
3. Department
of Chemistry, University of Washington, Seattle, Washington 98195, United States
4. Seattle Biomedical Research Institute, Seattle, Washington 98109, United States
5. High Throughput Biology, Global Pharmaceutical R&D, AbbVie, North Chicago, Illinois 60064, United States