1. Institute of Biochemistry, Medical Faculty, Friedrich Schiller‐University Jena Nonnenplan 2 07743 Jena Germany
2. Institute of Molecular Cell Biology, Medical Faculty, Friedrich Schiller‐University Jena Drackendorfer Strasse 1 07747 Jena Germany
3. Institute of Physiology, Medical Faculty, Friedrich Schiller‐University Jena Teichgraben 8 07740 Jena Germany
4. Institute of Physical Chemistry, Martin Luther‐University, Halle‐Wittenberg Mühlpforte 1 06108 Halle Germany