1. Department of Organic Chemistry and Biochemistry, Clemens-Schöpf-Institute, Technical University Darmstadt, Alarich-Weiss-Straße 4, 64287 Darmstadt, Germany
2. Institute of Biophysical Chemistry and Center for Biomolecular Magnetic Resonance, Goethe University, Max-von-Laue-Straße 9, 60438 Frankfurt am Main, Germany
3. Centre for Synthetic Biology, Technical University of Darmstadt, 64287 Darmstadt, Germany