1. Institute of Biotechnology and Biochemical Engineering Graz University of Technology Petersgasse 12/1 8010 Graz Austria
2. Department of Inorganic and Organic Chemistry (Section of Organic Chemistry) Institute of Computational and Theoretical Chemistry (IQTCUB) Martí i Franquès 1 08028 Barcelona Spain
3. Present address: Nostrum Biodiscovery Av. De Josep Tarradellas, 8–10 08029 Barcelona Spain
4. Institució Catalana de Recerca i Estudis Avançats (ICREA) Passeig Lluís Companys, 23 08010 Barcelona Spain
5. Austrian Center of Industrial Biotechnology (acib) Krenngasse 37 8010 Graz Austria