Abstract
N-Acyl imidazoles are unique electrophiles that exhibit moderate reactivity, relatively long-half life, and high solubility in water. Thanks to their tunable reactivity and chemical selectivity, the application of N-acyl imidazole derivatives has launched to a number of chemical biology researches, which include chemical synthesis of peptide/protein, chemical labeling of native proteins of interest (POIs), and structural analysis and functional manipulation of RNAs. Since proteins and RNAs play pivotal roles in numerous biological events in all living organisms, the methods that enable the chemical modification of endogenously existing POIs and RNAs in live cells may offer a variety of opportunities not only for fundamental scientific study but also for biotechnology and drug development. In this review, we discuss the recent progress of N-acyl imidazole chemistry that contributes to the chemical labeling and functional control of endogenous proteins and RNAs under multimolecularly crowded biological conditions of live cells.
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