Journal
ANNUAL REVIEW OF PHARMACOLOGY AND TOXICOLOGY, VOL 53, 2013
Volume 53, Issue -, Pages 211-229Publisher
ANNUAL REVIEWS
DOI: 10.1146/annurev-pharmtox-011112-140343
Keywords
nonsense suppression; voltage-gated ion channels; pentameric ligand-gated ion channels; Cys-loop receptors; G protein-coupled receptors
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Funding
- Canadian Institutes of Health Research [56858] Funding Source: Medline
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G protein-coupled receptors and ion channels couple a wide range of external stimuli to cellular growth and division, metabolism, motility, and a myriad of intra-and intercellular signaling pathways. G protein-coupled receptors initiate complex, interrelated downstream signaling cascades, whereas rapid ionic flux through channels directly supports membrane excitability and mediates cellular functions through second messengers. Because of these characteristics, these ubiquitous transmembrane proteins are valuable therapeutic targets and have provided fertile ground for the development of leading-edge synthetic and chemical biological approaches. Here we summarize recent advances in the use of site-directed incorporation of unnatural amino acids and chemical probes to study ligand-receptor interactions, determine the location of binding sites, and examine the downstream conformational consequences of ligand binding in G protein-coupled receptors and ion channels.
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