1. DNA Repair Mechanisms and Cancer, German Cancer Research Center (DKFZ), Heidelberg D-69120, Germany
2. Faculty of Bioscience, Heidelberg University, Heidelberg D-69120, Germany
3. Department of Medical Biochemistry and Biophysics, Umeå University, Umeå SE-901 87 Sweden
4. Molecular and Cellular Modeling Group, Heidelberg Institute for Theoretical Studies (HITS), Heidelberg D-69118, Germany
5. Interdisciplinary Center for Scientific Computing (IWR), Heidelberg D-69120, Germany
6. Center for Molecular Biology of the University of Heidelberg (ZMBH), DKFZ-ZMBH Alliance, Heidelberg D-69120, Germany
7. Laboratory for Molecular Infection Medicine Sweden, Umeå University, Umeå SE-901 87, Sweden