1. From the San Antonio Cardiovascular Proteomics Center and Mississippi Center for Heart Research (R.P.I., L.E.d.C.B., Y.-F.J., M.L.L.) and Department of Biophysics and Physiology (R.P.I., L.E.d.C.B., M.L.L.), University of Mississippi Medical Center, Jackson; Department of Electrical and Computer Engineering, University of Texas at San Antonio (Y.-F.J.); and Research Service, G.V. (Sonny) Department of Physiology and Biophysics, Montgomery Veterans Affairs Medical Center, Jackson, MS (M.L.L.).