1. International Centre for Brewing and Distilling, School of Engineering and Physical Sciences, Heriot-Watt University, Edinburgh EH14 4AS, U.K.
2. Horizon Proteins Ltd., 7-9 North Saint David Street, Edinburgh EH2 1AW, U.K.
3. Institute of Biological Chemistry, Biophysics and Bioengineering, School of Engineering and Physical Sciences, Heriot-Watt University, Edinburgh EH14 4AS, U.K.