FLEX: A heparin-binding fusion partner engineered from fibroblast growth factor 1 to enhance protein expression, solubility and purity
Ravina Mistry, John A. Harris, Dominic P. Byrne, Rachael Morris, Yong Li, Chris W Theron, Stephen B. Kaye, David Garth Fernig, Daniel M. Foulkes
This paper introduces FLEX, a fusion tag derived from FGF1 that enhances protein expression, solubility, and purity across different systems.
bioRxiv · Mar 18, 2026 · PreprintBiochemistry