1. Department of Biochemistry & Cellular and Molecular Biology, University of Tennessee, Knoxville, Tennessee 37996-0840, United States
2. Laboratory
of Biochemistry and Vascular Biology, Center for Biologics Evaluation
and Research, Food and Drug Administration, Silver Spring, Maryland 20993, United States
3. Computer
Science and Mathematics Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States