Review
Splice variants of G protein-coupled receptors
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- PMID: 14993330
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Review
Splice variants of G protein-coupled receptors
Mol Interv.
2001 Jun.
Abstract
G protein-coupled receptors (GPCRs) are encoded by a vast gene superfamily, reflecting the large number of ligands that must be specifically recognized at any given cell surface. The discovery that the variety of GPCRs is further expanded through the generation of splice variants was therefore somewhat surprising. Studies of the functional consequences of alternative splicing have focused on ligand binding, signaling, constitutive activity, and downregulation. However, GPCRs also appear to interact directly with many other intracellular proteins in addition to G proteins. Intriguingly, the domains involved in these interactions are the predominant sites of variation arising through splicing.
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