[1] Univ Twente, Nanobiophys Grp, MIRA Inst Biomed Technol & Tech Med, Fac Sci & Technol, NL-7500 AE Enschede, Netherlands
[2] Katholieke Univ Leuven KUL, VIB Switch Lab, Dept Cellular & Mol Med, B-3000 Louvain, Belgium
[3] Vrije Univ Brussel VUB, Dept Biotechnol DBIT, B-1050 Brussels, Belgium
[4] VIB Dept Struct Biol, B-1050 Brussels, Belgium
[5] Univ Libre Bruxelles, Ctr Struct Biol & Bioinformat, Lab Struct & Funct Biol Membranes, B-1050 Brussels, Belgium
[6] JPT Peptide Technol GmbH, D-12489 Berlin, Germany