1. Center for Computational Biology and Bioinformatics, Department of Biochemistry and Molecular Biology, Indiana University School of Medicine, Indianapolis, Indiana 46202, Molecular Kinetics, Inc., Indianapolis, Indiana 46268, Institute for Biological Instrumentation, Russian Academy of Sciences, 142290 Pushchino, Moscow Region, Russia, and Department of Microbiology and Immunology and Walther Oncology Center, Indiana University School of Medicine, and Walther Cancer Institute, Indianapolis, Indiana 46202