1. Institute of Physics, Biophysics, Martin-Luther University Halle-Wittenberg, Betty-Heimann Street 7, 06120 Halle, Germany
2. HALOmem, Membrane Protein Biochemistry, Martin-Luther-University Halle-Wittenberg, Kurt-Mothes-Street 3, 06120 Halle (Saale), Germany
3. Institute of Virology, Hannover Medical School, Carl-Neuberg-Straße 1, D-30625 Hannover, Germany
4. Structural Biology Research Center, Institute of Materials Structure Science, KEK/High Energy Accelerator Research Organization, 1-1 Oho, Tsukuba, Ibaraki, 305-0801, Japan
5. Department of Diabetes, Faculty of Lifesciences and Medicine, King’s College London, Great Maze Pond, London SE1 1UL, U.K.