1. Department of Protein Science, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, AlbaNova University Center, SE-106 91 Stockholm, Sweden
2. Department of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University, P.O.
Box 16100, Fi-00076 Aalto, Finland
3. Spiber Technologies AB, AlbaNova University Center, 106 91 Stockholm, Sweden
4. VTT Technical Research Centre of Finland Ltd, Tietotie 2, Fi-02150 Espoo, Finland