FUNCTION: Regulates G protein-coupled receptor signaling cascades, including signaling via muscarinic acetylcholine receptor CHRM2 and dopamine receptor DRD2 (By similarity). Inhibits signal transduction by increasing the GTPase activity of G protein alpha subunits, thereby driving them into their i...
FUNCTION: Regulates G protein-coupled receptor signaling cascades, including signaling via muscarinic acetylcholine receptor CHRM2 and dopamine receptor DRD2 (By similarity). Inhibits signal transduction by increasing the GTPase activity of G protein alpha subunits, thereby driving them into their inactive GDP-bound form (PubMed:18434541). Modulates the activity of potassium channels that are activated in response to DRD2 and CHRM2 signaling (By similarity). {ECO:0000250|UniProtKB:P49804, ECO:0000269|PubMed:18434541}.
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GO - Biological processes (BP):
G protein-coupled acetylcholine receptor signaling pathway [GO:0007213]; G protein-coupled receptor signaling pathway [GO:0007186]; negative regulation of signal transduction [GO:0009968]; positive regulation of GTPase activity [GO:0043547]; regulation of dopamine receptor signaling pathway [GO:0060...
G protein-coupled acetylcholine receptor signaling pathway [GO:0007213]; G protein-coupled receptor signaling pathway [GO:0007186]; negative regulation of signal transduction [GO:0009968]; positive regulation of GTPase activity [GO:0043547]; regulation of dopamine receptor signaling pathway [GO:0060159]
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GO - Molecular function (MF):
GTPase activator activity [GO:0005096]; GTPase activity [GO:0003924]...
GTPase activator activity [GO:0005096]; GTPase activity [GO:0003924]
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GO - Cellular component (CC):
dendrite [GO:0030425]; extrinsic component of cytoplasmic side of plasma membrane [GO:0031234]; neuronal cell body membrane [GO:0032809]; nucleus [GO:0005634]; perikaryon [GO:0043204]; plasma membrane [GO:0005886]; synapse [GO:0045202]...
dendrite [GO:0030425]; extrinsic component of cytoplasmic side of plasma membrane [GO:0031234]; neuronal cell body membrane [GO:0032809]; nucleus [GO:0005634]; perikaryon [GO:0043204]; plasma membrane [GO:0005886]; synapse [GO:0045202]
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