1. Max Planck Institute for Terrestrial Microbiology & Center for Synthetic Microbiology (Synmikro) Karl-von-Frisch Straße 16 35043 Marburg Germany
2. TU Dortmund University Department of Chemistry and Chemical Biology Otto-Hahn-Str. 4a 44227 Dortmund Germany
3. Max Planck Institute of Biochemistry Am Klopferspitz 18 82152 Martinsried Germany