1. Carbios, Parc Cataroux─Bâtiment B80, 8 Rue de la Grolière, 63100 Clermont-Ferrand, France
2. Toulouse Biotechnology Institute, TBI, Université de Toulouse, CNRS, INRAE, INSA, 135 Avenue de Rangueil, 31077 Toulouse Cedex 4, France
3. Institute of Biochemistry, Biotechnology & Enzyme Catalysis, University of Greifswald, Felix-Hausdorff-Str. 4, 17487 Greifswald, Germany
4. Macromolecular Crystallography, Helmholtz-Zentrum Berlin für Materialien und Energie, Albert-Einstein-Straße 15, 12489 Berlin, Germany