1. Department
of Biochemistry, Center in Molecular Toxicology, Vanderbilt-Ingram
Cancer Center, Vanderbilt Institute of Chemical Biology, Center for
Structural Biology, Vanderbilt University School of Medicine, Nashville, Tennessee 37232, United States
2. Department
of Chemistry, Center in Molecular Toxicology, Vanderbilt-Ingram Cancer
Center, Vanderbilt Institute of Chemical Biology, Center for Structural
Biology, Vanderbilt University, Nashville, Tennessee 37235, United States
3. Northeastern
Collaborative Access Team and Department of Chemistry and Chemical
Biology, Cornell University, Argonne National Laboratory, Building 436E, Argonne, Illinois 60439, United States