Here, we present a robust and optimized protocol for the production of milligram quantities of native, tag-free monomers and fibrils of the exon1 of the Huntingtin protein (Httex1) based on the transient fusion of small ubiquitin related modifier (SUMO).
Reif, A., Chiki, A., Ricci, J., Lashuel, H. A. Generation of Native, Untagged Huntingtin Exon1 Monomer and Fibrils Using a SUMO Fusion Strategy. J. Vis. Exp. (136), e57506, doi:10.3791/57506 (2018).