1. Department
of Biochemistry and Cellular and Molecular Biology, The University of Tennessee, Knoxville, Tennessee 37996, United States
2. The
Joint Institute for Neutron Sciences, Oak Ridge National Laboratory, Knoxville, Tennessee 37831-6453, United States
3. Department
of Chemistry, The University of Tennessee, Knoxville, Tennessee 37996, United States
4. Graduate
School of Genome Science and Technology, The University of Tennessee and Oak Ridge National Laboratory, Knoxville, Tennessee 37996, United States