Component of a heterodimeric G-protein coupled receptor for GABA, formed by GABBR1 and GABBR2. Within the heterodimeric GABA receptor, only GABBR1 seems to bind agonists, while GABBR2 mediates coupling to G proteins. Ligand binding causes a conformation change that triggers signaling via guanine nucleotide-binding proteins(G proteins) and modulates the activity of down-stream effectors, such as adenylate cyclase. Signaling inhibits adenylate cyclase, stimulates phospholipase A2, activates potassium channels, inactivates voltage-dependent calcium-channels and modulates inositol phospholipid hydrolysis. Calcium is required for high affinity binding to GABA. Plays a critical role in the fine-tuning of inhibitory synaptic transmission. Pre-synaptic GABA receptor inhibits neurotransmitter release by down-regulating high-voltage activated calcium channels, whereas postsynaptic GABA receptor decreases neuronal excitability by activating a prominent inwardly rectifying potassium(Kir) conductance that underlies the late inhibitory postsynaptic potentials. Not only implicated in synaptic inhibition but also in hippocampal long-term potentiation, slow wave sleep, muscle relaxation and antinociception. Activated by(-)-baclofen, cgp27492 and blocked by phaclofen. Isoform 1E may regulate the formation of functional GABBR1/GABBR2 heterodimers by competing for GABBR2 binding. This could explain the observation that certain small molecule ligands exhibit differential affinity for central versus peripheral sites.
Primary Antibodies
polyclonal
human,mouse,rat
gamma-aminobutyric acid(GABA) B receptor, 1
Rabbit
IgG
Unconjugated
liquid
ELISA, WB
95 kDa
≥95% as determined by SDS-PAGE
Immunogen affinity purified
WB: 1:500-1:2000
100µg
PBS with 0.02% sodium azide and 50% glycerol pH 7.3,-20℃ for 12 months(Avoid repeated freeze / thaw cycles.)
GABBR1
GABBR1,GPRC3A,GABA-B receptor 1,GABABR1,gamma-aminobutyric acid (GABA) B receptor 1,gamma-aminobutyric acid (GABA) B receptor
This product is for research use only.
Component of a heterodimeric G-protein coupled receptor for GABA, formed by GABBR1 and GABBR2. Within the heterodimeric ...
Precio a consultar
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