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- Title
Chemical Synthesis of Native S‐Palmitoylated Membrane Proteins through Removable‐Backbone‐Modification‐Assisted Ser/Thr Ligation.
- Authors
Huang, Dong‐Liang; Montigny, Cédric; Zheng, Yong; Beswick, Veronica; Li, Ying; Cao, Xiu‐Xiu; Barbot, Thomas; Jaxel, Christine; Liang, Jun; Xue, Min; Tian, Chang‐Lin; Jamin, Nadège; Zheng, Ji‐Shen
- Abstract
The preparation of native S‐palmitoylated (S‐palm) membrane proteins is one of the unsolved challenges in chemical protein synthesis. Herein, we report the first chemical synthesis of S‐palm membrane proteins by removable‐backbone‐modification‐assisted Ser/Thr ligation (RBMGABA‐assisted STL). This method involves two critical steps: 1) synthesis of S‐palm peptides by a new γ‐aminobutyric acid based RBM (RBMGABA) strategy, and 2) ligation of the S‐palm RBM‐modified peptides to give the desired S‐palm product by the STL method. The utility of the RBMGABA‐assisted STL method was demonstrated by the synthesis of rabbit S‐palm sarcolipin (SLN) and S‐palm matrix‐2 (M2) ion channel. The synthesis of S‐palm membrane proteins highlights the importance of developing non‐NCL methods for chemical protein synthesis.
- Subjects
MEMBRANE proteins; CHEMICAL synthesis; PROTEIN synthesis; PEPTIDE synthesis; SERS spectroscopy
- Publication
Angewandte Chemie, 2020, Vol 132, Issue 13, p5216
- ISSN
0044-8249
- Publication type
Article
- DOI
10.1002/ange.201914836