1. Mass Spectrometry Research Center, Vanderbilt University, Nashville, Tennessee 37203, United States
2. Department of Chemistry, Vanderbilt University, Nashville, Tennessee 37203, United States
3. Vanderbilt Institute for Infection, Immunology, and Inflammation, Vanderbilt University Medical Center, Nashville, Tennessee 37203, United States
4. Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee 37203, United States
5. Department of Biochemistry, Vanderbilt University, Nashville, Tennessee 37203, United States
6. Department of Cell and Developmental Biology, Vanderbilt University, Nashville, Tennessee 37203, United States
7. Department of Medicine, Vanderbilt University, Nashville, Tennessee 37203g, United States
8. Department of Pharmacology, Vanderbilt University, Nashville, Tennessee 37203, United States