1. Christian Doppler Laboratory for Antibody Engineering at Department of Chemistry and Department of Biotechnology, BOKU—University of Natural Resources and Life Sciences, Vienna, Muthgasse 18, A-1190 Vienna, Austria
2. Institute for Organic Chemistry and Biochemistry, Technische Universität Darmstadt, Alarich-Weiss-Straße 4, D-64287 Darmstadt, Germany
3. Protein Engineering and Antibody Technologies, Merck KGaA, Frankfurter Straße 250, D-64293 Darmstadt, Germany
4. Department of Chemistry, BOKU—University of Natural Resources and Life Sciences, Vienna, Muthgasse 18, A-1190 Vienna, Austria