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Arylfluorosulfate-Based Electrophiles for Covalent Protein Labeling: A New Addition to the Arsenal.


ABSTRACT: Selective covalent modification of a targeted protein is a powerful tool in chemical biology and drug discovery, with applications ranging from identification and characterization of proteins and their functions to the development of targeted covalent inhibitors. Most covalent ligands contain an affinity motif and an electrophilic warhead that reacts with a nucleophilic residue of the targeted protein. Because the electrophilic warhead is prone to react and modify off-target nucleophiles, its reactivity should be balanced carefully to maximize target selectivity. Arylfluorosulfates have recently emerged as latent electrophiles for selective labeling of context-specific tyrosine and lysine residues in protein pockets. Here, we review the recent but intense introduction of arylfluorosulfates into the arsenal of available warheads for selective covalent modification of proteins. We highlight the untapped potential of this functional group for use in chemical biology and drug discovery.

SUBMITTER: Martin-Gago P 

PROVIDER: S-EPMC6518939 | biostudies-literature | 2019 Jan

REPOSITORIES: biostudies-literature

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Arylfluorosulfate-Based Electrophiles for Covalent Protein Labeling: A New Addition to the Arsenal.

Martín-Gago Pablo P   Olsen Christian A CA  

Angewandte Chemie (International ed. in English) 20181026 4


Selective covalent modification of a targeted protein is a powerful tool in chemical biology and drug discovery, with applications ranging from identification and characterization of proteins and their functions to the development of targeted covalent inhibitors. Most covalent ligands contain an affinity motif and an electrophilic warhead that reacts with a nucleophilic residue of the targeted protein. Because the electrophilic warhead is prone to react and modify off-target nucleophiles, its re  ...[more]

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