Abstract
1 Max F. Perutz Laboratories, Department of Microbiology and Immunobiology, University of Vienna, Dr. Bohrgasse 9, A-1030 Vienna, Austria
2 Innsbruck Biocenter, Division of Genomics and RNomics, Medical University Innsbruck, Fritz-Pregl Str. 3, A-6020 Innsbruck, Austria
3 Bioinformatics Group, Department of Computer Science and Interdisciplinary Center for Bioinformatics, University of Leipzig, Härtelstraße 16-18, D-04107 Leipzig, Germany