Department of Computational Molecular Biology, Max-Planck Institute for Molecular Genetics, Berlin, Germany. goeke@molgen.mpg.de|Department of Computational Molecular Biology, Max-Planck Institute for Molecular Genetics, Berlin, Germany. goeke@molgen.mpg.de|Department of Computational Molecular Biology, Max-Planck Institute for Molecular Genetics, Berlin, Germany. goeke@molgen.mpg.de|Department of Computational Molecular Biology, Max-Planck Institute for Molecular Genetics, Berlin, Germany. goeke@molgen.mpg.de|Department of Computational Molecular Biology, Max-Planck Institute for Molecular Genetics, Berlin, Germany. goeke@molgen.mpg.de|Department of Computational Molecular Biology, Max-Planck Institute for Molecular Genetics, Berlin, Germany. goeke@molgen.mpg.de|Department of Computational Molecular Biology, Max-Planck Institute for Molecular Genetics, Berlin, Germany. goeke@molgen.mpg.de|Department of Computational Molecular Biology, Max-Planck Institute for Molecular Genetics, Berlin, Germany. goeke@molgen.mpg.de|Department of Computational Molecular Biology, Max-Planck Institute for Molecular Genetics, Berlin, Germany. goeke@molgen.mpg.de