1. Department of Biochemistry, Vanderbilt University School of Medicine, 37205, Nashville, TN, USA
2. Mass Spectrometry Research Center, Vanderbilt University School of Medicine, 37232, Nashville, TN, USA
3. Department of Chemistry, Vanderbilt University, 37235, Nashville, TN, USA
4. Department of Pathology, Microbiology and Immunology, Vanderbilt University School of Medicine, 37232, Nashville, TN, USA
5. U.S. Department of Veterans Affairs, Tennessee Valley Healthcare System, 37212, Nashville, TN, USA
6. Departments of Pharmacology and Medicine, Vanderbilt University School of Medicine, 37232, Nashville, TN, USA