Volume 131, Issue 34 pp. 12044-12048
Forschungsartikel

A Cyclopropene Electrophile that Targets Glutathione S-Transferase Omega-1 in Cells

Gustav J. Wørmer

Gustav J. Wørmer

Department of Chemistry, Aarhus University, Langelandsgade 140, 8000 Aarhus C, Denmark

These authors contributed equally to this work.

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Bente K. Hansen

Bente K. Hansen

Department of Chemistry, Aarhus University, Langelandsgade 140, 8000 Aarhus C, Denmark

These authors contributed equally to this work.

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Prof. Dr. Johan Palmfeldt

Prof. Dr. Johan Palmfeldt

Department of Clinical Medicine—Research Unit for Molecular Medicine, Aarhus University hospital, Palle Juul-Jensens Boulevard 82, 8200 Aarhus N, Denmark

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Prof. Dr. Thomas B. Poulsen

Corresponding Author

Prof. Dr. Thomas B. Poulsen

Department of Chemistry, Aarhus University, Langelandsgade 140, 8000 Aarhus C, Denmark

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First published: 10 July 2019
Citations: 4

Abstract

Cyclopropenes are an important new addition to the portfolio of functional groups that can be used for bioorthogonal couplings. The inert nature of these highly strained compounds in complex biological systems is almost counterintuitive given their established electrophilic properties in organic synthesis. Here we provide the first demonstration of a cyclopropene that is capable of direct conjugation to protein targets in cells and show that this compound preferentially alkylates the active site cysteine of glutathione S-transferase omega-1 (GSTO1).

Conflict of interest

The authors declare no conflict of interest.

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