Affiliation: | (1) Department of Biochemistry and Molecular Biophysics, Washington University School of Medicine, 660 S. Euclid Ave., Saint Louis, MO 63110, USA, US;(2) Department of Biology, St. John's University/College of St. Benedict, Collegeville, MN 56321-3000, USA Fax: +1-320-363-3202; e-mail: mreagan@csbsju.edu, US |