1. Department of Chemistry and Biochemistry, The University of Texas at Dallas, Richardson, Texas 75080, United States
2. Department of Biochemistry, Duke University Medical Center, Durham, North Carolina 27710, United States
3. Institute of Organic Chemistry and Center for Molecular Biosciences Innsbruck (CMBI), University of Innsbruck, Innsbruck 6020, Austria
4. Department of Chemistry, Duke University, Durham, North Carolina 27710, United States
5. Molecular Education, Technology, and Research Innovation Center, North Carolina State University, Raleigh, North Carolina 27695, United States
6. Department of Chemistry and Biochemistry, Utah State University, Logan, Utah 84322, United States