1. Departments
of Biochemistry, Chemistry, and Pharmacology, A.B. Hancock Memorial
Laboratory for Cancer Research, Vanderbilt Institute of Chemical Biology, Vanderbilt University School of Medicine, 850 RRB, 2220 Pierce Ave., Nashville, Tennessee 37232, United States
2. Department
of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
3. Northeastern
Collaborative Access Team, Argonne National Laboratory, Argonne, Illinois 60439, United States