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GPCR ligand binding

There are more than 800 G-protein coupled receptor (GPCRs) in the human genome, making it the largest receptor superfamily. GPCRs are also the largest class of drug targets, involved in virtually all physiological processes (Frederiksson 2003). GPCRs are receptors for a diverse range of ligands from large proteins to photons (Kristiansen et al. 2004) and have an equal diversity of ligand-binding mechanisms (Gether et al. 2002). Classical GPCR signaling involves signal transduction via heterotrimeric G-proteins, however many G-protein independent mechanisms have been reported.

from REACTOME source record: R-HSA-500792
Type: pathway
Taxonomic scope
organism-specific biosystem
Homo sapiens

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