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Synthesis of Cysteine-Rich Peptides by Native Chemical Ligation without Use of Exogenous Thiols

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journal contribution
posted on 03.04.2015, 00:00 by Shugo Tsuda, Taku Yoshiya, Masayoshi Mochizuki, Yuji Nishiuchi
Native chemical ligation (NCL) performed without resorting to the use of thiol additives was demonstrated to be an efficient and effective procedure for synthesizing Cys-rich peptides. This method using tris­(2-carboxyethyl)­phosphine (TCEP) as a reducing agent facilitates the ligation reaction even at the Thr-Cys or Ile-Cys site and enables one-pot synthesis of Cys-rich peptides throughout NCL and oxidative folding.