[1] JKU, Inst Biophys, Appl Expt Biophys, Linz, Austria
[2] Heidelberg Inst Theoret Studies, Mol Biomech Grp, Heidelberg, Germany
[3] Univ Med Ctr Hamburg Eppendorf, Dept Pediat Hematol & Oncol, Hamburg, Germany
[4] Goethe Univ Frankfurt, Bioctr, Inst Biochem, D-60054 Frankfurt, Germany