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A Chemical Biological Approach to Study G Protein-Coupled Receptors: Labeling the Adenosine A1 Receptor Using an Electrophilic Covalent Probe.

ABSTRACT: G protein-coupled receptors (GPCRs) have been known for decades as attractive drug targets. This has led to the development and approval of many ligands targeting GPCRs. Although ligand binding effects have been studied thoroughly for many GPCRs, there are multiple aspects of GPCR signaling that remain poorly understood. The reasons for this are the difficulties that are encountered upon studying GPCRs, for example, a poor solubility and low expression levels. In this work, we have managed to overcome some of these issues by developing an affinity-based probe for a prototypic GPCR, the adenosine A1 receptor (A1AR). Here, we show the design, synthesis, and biological evaluation of this probe in various biochemical assays, such as SDS-PAGE, confocal microscopy, and chemical proteomics.

SUBMITTER: Beerkens BLH 

PROVIDER: S-EPMC9679998 | biostudies-literature | 2022 Nov

REPOSITORIES: biostudies-literature

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A Chemical Biological Approach to Study G Protein-Coupled Receptors: Labeling the Adenosine A<sub>1</sub> Receptor Using an Electrophilic Covalent Probe.

Beerkens Bert L H BLH   Koç Çağla Ç   Liu Rongfang R   Florea Bogdan I BI   Le Dévédec Sylvia E SE   Heitman Laura H LH   IJzerman Adriaan P AP   van der Es Daan D  

ACS chemical biology 20221024 11

G protein-coupled receptors (GPCRs) have been known for decades as attractive drug targets. This has led to the development and approval of many ligands targeting GPCRs. Although ligand binding effects have been studied thoroughly for many GPCRs, there are multiple aspects of GPCR signaling that remain poorly understood. The reasons for this are the difficulties that are encountered upon studying GPCRs, for example, a poor solubility and low expression levels. In this work, we have managed to ov  ...[more]

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