1. Department of Biotechnology and Biomedicine Technical University of Denmark Søltofts Plads, building 224 DK-2800 Kongens Lyngby Denmark
2. Toulouse Biotechnology Institute Université de Toulouse, CNRS, INRAE, INSA 135 avenue de Rangueil 31077 Toulouse CEDEX 04 France
3. Department of Biochemistry and Structural Biology Lund University 221 00 Lund Sweden
4. Department of Chemistry Lund University PO Box 124 22100 Lund Sweden
5. Department of Chemistry Technical University of Denmark Kemitorvet, bulding 207 DK-2800 Kongens Lyngby Denmark
6. UFIP, UMR 6286 Université de Nantes, CNRS 2, chemin de la Houssiniere Nantes France