* Corresponding authors

^a Department of Chemistry, Vanderbilt University, 7330 Stevenson Center, Station B 351822, Nashville, USA
E-mail: john.a.mclean@vanderbilt.edu
Fax: +1 615-343-1234
Tel: +1 615-322-1195

^b Vanderbilt Institute of Chemical Biology, Vanderbilt University, 896 Preston Building, Nashville, USA

^c Vanderbilt Institute of Integrative Biosystems Research and Education, Vanderbilt University, 6809 Stevenson Center, Nashville, USA

^d Department of Biological Sciences, Vanderbilt University, 6270 MRB III, 465 21st Avenue South, Nashville, USA

^e Vanderbilt Brain Institute, Vanderbilt University, U1205 Medical Research Building III, 465 21st Avenue South, Nashville, USA

^f Department of Biostatistics, Vanderbilt University School of Medicine, S-2323 Medical Center North, Nashville, USA

^g Vanderbilt Kennedy Center, Vanderbilt University, 110 Magnolia Circle, Nashville, USA