[1] Tech Univ Dortmund, Fak Chem, D-44227 Dortmund, Germany
[2] Karlsruhe Inst Technol KIT, DFG Ctr Funct Nanostruct CFN, D-76131 Karlsruhe, Germany
[3] Max Planck Inst Mol Physiol, D-44227 Dortmund, Germany
[4] Univ Duisburg Essen, Zentrum Med Biotechnol ZMB, Fak Biol, D-45117 Essen, Germany
[5] Karlsruhe Inst Technol KIT, Inst Biol Interfaces IBG 1, D-76344 Eggenstein Leopoldshafen, Germany