name: G protein-coupled receptor signaling in absence of ligand
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def: "A series of molecular signals beginning with a consequence of a G protein-coupled receptor promoting the exchange of GDP for GTP on the alpha-subunit of an associated heterotrimeric G-protein complex, where the G protein-coupled receptor is not bound to an agonist." [GOC:al, PMID:12402500, PMID:17629961]
comment: This term is intended for use by G protein-coupled receptors which signal at a low-level in the absence of agonist binding.
synonym: "basal G-protein coupled receptor signaling" NARROW [GOC:al]
synonym: "G-protein coupled receptor signaling in absence of agonist" EXACT [GOC:bf]
synonym: "G-protein coupled receptor signaling in absence of ligand" EXACT 
synonym: "G-protein coupled receptor signalling in absence of ligand" EXACT [GOC:mah]
is_a: GO:0007186 ! G protein-coupled receptor signaling pathway
is_a: GO:0038034 ! signal transduction in absence of ligand
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