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, School of Informatics, Indiana UniversityPurdue University, Indianapolis, Indiana 46202, and Institute for Biological Instrumentation, Russian Academy of Sciences, 142290 Pushchino, Moscow Region, Russia