1. Department of Molecular Biology
2. Centre for Molecular Biology Severo Ochoa (CSIC-UAM)
3. University Autonomous from Madrid
4. 28049 Madrid
5. Spain
6. Department of Biotechnology, Chemistry and Pharmacy
7. Università di Siena
8. 53100 Siena
9. Italy
10. Institute of Catalysis and Petrochemistry
11. CSIC