1. Department of Medicinal Chemistry
and Chemical Biology, Utrecht Institute for Pharmaceutical Sciences,
Faculty of Science, Utrecht University,
P.O. Box 80082, 3508 TB Utrecht, The Netherlands
2. Bio-organic synthesis, Leiden
Institute of Chemistry, Leiden University, P.O. Box 9502, 2300 RA, Leiden, The Netherlands
3. Center for Integrated Protein
Science at the Department Chemie, Lehrstuhl für Biochemie, Technische Universität München, Lichtenbergstrasse
4, 85748, Garching, Germany.