1. Microscopy Services Laboratory, University of North Carolina at Chapel Hill, Chapel Hill, NC 27516, USA
2. Department of Biochemistry & Biophysics, University of North Carolina at Chapel Hill, Chapel Hill, NC 27516, USA
3. Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, NC 27516, USA
4. Integrative Program for Biological & Genome Sciences (IBGS), University of North Carolina at Chapel Hill, Chapel Hill, NC 27516, USA
5. Department of Pharmacology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27516, USA
6. Computational Medicine Program, University of North Carolina at Chapel Hill, Chapel Hill, NC 27516, USA