• Western blot of rat brain lysate showing specific immunolabeling of the ~53 kDa Beta 3-subunit of the GABAA-R.
  • Immunofluorescence of mouse retina showing staining of GABAA-R, Beta 3-subunit (: STJA0003647, green, 1:300) and calbindin (red). The blue is DAPI staining nuclear DNA. Photo courtesy of Dr. Arlene Hirano, UCLA.
  • Western blot of rat cortical neurons showing specific immunolabeling of the ~53 kDa Beta 3-subunit of the GABAA-R (1:1000). Image kindly provided by Lidong Liu, University of British Columbia, Vancouver.

Anti-GABRB3 antibody (Cytoplasmic Loop) (STJA0003647)

SKU:
STJA0003647-100

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Host: Rabbit
Applications: WB/IHC
Reactivity: Mouse/Rat
Note: STRICTLY FOR FURTHER SCIENTIFIC RESEARCH USE ONLY (RUO). MUST NOT TO BE USED IN DIAGNOSTIC OR THERAPEUTIC APPLICATIONS.
Short Description: Rabbit polyclonal antibody anti-GABAA Receptor b3 (Cytoplasmic Loop) is suitable for use in Western Blot and Immunohistochemistry research applications.
Clonality: Polyclonal
Conjugation: Unconjugated
Isotype: IgG
Formulation: 100 µl in 10 mM HEPES (pH 7.5) , 150 mM NaCl, 100 µg per ml BSA and 50% Glycerol.
Purification: This antibody was antigen affinity purified from pooled serum.
Dilution Range: WB 1:1000
IHC 1:300
Storage Instruction: Store at-20°C for up to 1 year from the date of receipt, and avoid repeat freeze-thaw cycles.
Gene Symbol: Gabrb3
Gene ID: 24922
Uniprot ID: GBRB3_RAT
Immunogen Region: Cytoplasmic Loop
Immunogen: Fusion protein from the cytoplasmic loop of the beta 3 subunit.
Tissue Specificity Expressed in brain (at protein level), in cerebellar granule cells.
Function Beta subunit of the heteropentameric ligand-gated chloride channel gated by gamma-aminobutyric acid (GABA), a major inhibitory neurotransmitter in the brain. GABA-gated chloride channels, also named GABA(A) receptors (GABAAR), consist of five subunits arranged around a central pore and contain GABA active binding site(s) located at the alpha and beta subunit interface(s). GABAARs containing beta-3/GABRB3 subunit are found at both synaptic and extrasynaptic sites. When activated by GABA, GABAARs selectively allow the flow of chloride anions across the cell membrane down their electrochemical gradient. Chloride influx into the postsynaptic neuron following GABAAR opening decreases the neuron ability to generate a new action potential, thereby reducing nerve transmission. GABAARs containing alpha-1 and beta-3 subunits exhibit synaptogenic activity.the gamma-2 subunit being necessary but not sufficient to induce rapid synaptic contacts formation. Extrasynaptic beta-3 receptors contribute to the tonic GABAergic inhibition. GABAARs containing alpha-1, beta-3 and epsilon subunits may permit spontaneous chloride channel activity while preserving the structural information required for GABA-gated openings. Beta-containing GABAARs can simultaneously bind GABA and histamine where histamine binds at the interface of two neighboring beta subunits, which may be involved in the regulation of sleep and wakefulness. Plays an important role in somatosensation and in the production of antinociception.
Protein Name Gamma-Aminobutyric Acid Receptor Subunit Beta-3
Gaba(A Receptor Subunit Beta-3
Gabaar Subunit Beta-3
Database Links Reactome: R-RNO-977443
Cellular Localisation Postsynaptic Cell Membrane
Multi-Pass Membrane Protein
Cell Membrane
Cytoplasmic Vesicle Membrane
The Beta-3 Subunits Are Present In Golgi Synapses And On The Extrasynaptic Membranes (When Coassembled With Alpha-1/6 And Gamma-2 Subunits)
And In Some Of The Mossy Fiber To Granule Cell Synapses (When Coassembled With Alpha-6 And Gamma-2 Subunits)
The Beta-3 Subunits
When Coassembled With Alpha-6 And Delta Subunits
Are Found Only On The Extrasynaptic Somatic And Dendritic Membranes
Alternative Antibody Names Anti-Gamma-Aminobutyric Acid Receptor Subunit Beta-3 antibody
Anti-Gaba(A Receptor Subunit Beta-3 antibody
Anti-Gabaar Subunit Beta-3 antibody
Anti-Gabrb3 antibody
Anti-Gabrb-3 antibody

Information sourced from Uniprot.org

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