Site-specific chemical fatty-acylation for gain-of-function analysis of protein S-palmitoylation in live cells.
2020
Protein S-palmitoylation, or S-fatty-acylation, regulates many fundamental cellular processes in eukaryotes. Herein, we present a chemical fatty-acylation approach that involves site-specific incorporation of cycloalkyne-containing unnatural amino acids and subsequent bioorthogonal reactions with fatty-acyl tetrazines to install fatty-acylation mimics at target protein sites, allowing gain-of-function analysis of S-palmitoylation in live cells.
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