1. Center for Synthetic Biology Technical University of Darmstadt 64287 Darmstadt Germany
2. Department of Biology Technical University of Darmstadt 64287 Darmstadt Germany
3. Institute of Pharmacy and Molecular Biotechnology (IPMB) Faculty of Engineering Sciences Heidelberg University 69120 Heidelberg Germany
4. Department of Biotechnology and Biomedicine Technical University of Denmark Kongens Lyngby 2800 Denmark