1. CBMN (UMR5248), Univ. Bordeaux–CNRS–INPInstitut Européen de Chimie et Biologie 2 rue Escarpit 33600 Pessac France
2. ARNA (U1212), Univ. Bordeaux–INSERM–CNRSInstitut Européen de Chimie et Biologie 2 rue Escarpit 33600 Pessac France
3. Department Pharmazie and Center for Integrated Protein ScienceLudwig-Maximilians-Universität Butenandtstr. 5–13 81377 München Germany