1. Faculty of Chemistry, Institute of Biological Chemistry, University of Vienna, Währinger Straße 38, Vienna 1090, Austria
2. Department of Biological Chemistry, Institute for Advanced Chemistry of Catalonia (IQAC-CSIC), Jordi Girona 18-26, Barcelona 08034, Spain
3. Institute for Molecular Bioscience, The University of Queensland, St Lucia, Queensland 4072, Australia