C. Murar, M. Ninomiya, Satomi Shimura
Feb 7, 2020
Citations
1
Influential Citations
7
Citations
Journal
Angewandte Chemie
Abstract
Chemical protein synthesis allows the construction of well-defined structural variations and facilitates the development of deeper understanding of protein structure-function relationships and new protein engineering strategies. Here we report the chemical synthesis of interleukin-2 (IL-2) variants on a multimiligram scale and the formation of non-natural disulfide mimetics that improve stability against reduction. The synthesis was accomplished by convergent KAHA ligations; the acidic conditions of KAHA ligation proved to be valuable for the solubilization of the hydrophobic segments of IL-2. The bioactivity of the synthetic IL-2 and its analogues were shown to be equipotent to recombinant IL-2 and exhibit improved stability against reducing agents.