1. Molecular Enzymology Group, University of Groningen, Nijenborgh 4, Groningen, AG 9747, The Netherlands
2. Department of Biology and Biotechnology “Lazzaro Spallanzani”, University of Pavia, Via Ferrata 9, Pavia 27100, Italy
3. Zymvol Biomodeling S.L., Carrer Roc Boronat, 117, Barcelona 08010, Spain