1. Department of Chemistry and Biochemistry, University of Oklahoma, Norman, Oklahoma 73019, United States
2. UT/ORNL Center
for Molecular Biophysics, Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
3. Department of Biochemistry and Cellular
and Molecular Biology, University of Tennessee, Knoxville, Tennessee 37996, United States
4. Department of Pharmacological & Physiological Science, Saint Louis University School of Medicine, St. Louis, Missouri 63104, United States