1. University of Tennessee/Oak Ridge National Laboratory Center for Molecular Biophysics, P.O. Box 2008, 1 Bethel Valley Road, Oak Ridge, Tennessee 37831,
United States
2. Department
of Biochemistry and
Cellular and Molecular Biology, University of Tennessee, M407 Walters Life Sciences, 1414 Cumberland Avenue, Knoxville,
Tennessee 37996, United States