Recombinant Rat Gamma-aminobutyric acid type B receptor subunit 2 (Gabbr2), partial

Code CSB-YP009135RA
MSDS
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Source Yeast
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Code CSB-EP009135RA
MSDS
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Source E.coli
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Code CSB-EP009135RA-B
MSDS
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Source E.coli
Conjugate Avi-tag Biotinylated
E. coli biotin ligase (BirA) is highly specific in covalently attaching biotin to the 15 amino acid AviTag peptide. This recombinant protein was biotinylated in vivo by AviTag-BirA technology, which method is BriA catalyzes amide linkage between the biotin and the specific lysine of the AviTag.
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Code CSB-BP009135RA
MSDS
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Source Baculovirus
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Code CSB-MP009135RA
MSDS
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Source Mammalian cell
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Product Details

Purity
>85% (SDS-PAGE)
Target Names
Gabbr2
Uniprot No.
Alternative Names
Gabbr2; Gpr51; Gamma-aminobutyric acid type B receptor subunit 2; GABA-B receptor 2; GABA-B-R2; GABA-BR2; GABABR2; Gb2; G-protein coupled receptor 51
Species
Rattus norvegicus (Rat)
Protein Length
Partial
Tag Info
Tag type will be determined during the manufacturing process.
The tag type will be determined during production process. If you have specified tag type, please tell us and we will develop the specified tag preferentially.
Form
Lyophilized powder
Note: We will preferentially ship the format that we have in stock, however, if you have any special requirement for the format, please remark your requirement when placing the order, we will prepare according to your demand.
Buffer before Lyophilization
Tris/PBS-based buffer, 6% Trehalose, pH 8.0
Reconstitution
We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20℃/-80℃. Our default final concentration of glycerol is 50%. Customers could use it as reference.
Troubleshooting and FAQs
Storage Condition
Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
Shelf Life
The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
Lead Time
Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
Note: All of our proteins are default shipped with normal blue ice packs, if you request to ship with dry ice, please communicate with us in advance and extra fees will be charged.
Notes
Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Datasheet
Please contact us to get it.

Customer Reviews and Q&A

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Target Background

Function
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. 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.
Gene References into Functions
  1. Study provided evidence that GABAB2 subunit is involved in anxiety-like behaviours induced by chronic cerebral hypoperfusion. Activation of GABAB2 subunits could improve BDNF/TrkB/NCAM signalling and reverse Kir3 channel surface expressions in hippocampal CA1, which may alleviate the anxiety-like behaviours in rats with chronic cerebral hypoperfusion. PMID: 27515806
  2. Gabbr2 exists in rat brain at birth and decreases between birth and PD15. PMID: 24020808
  3. GABABR activation reduces cyclic AMP-dependent phosphorylation of LKB1, a kinase involved in neuronal polarization, and rescues LKB1 overexpression-induced defects in cortical development. PMID: 23653212
  4. GABA(B)R2 proteins are reduced in the prefrontal cortex of aged rats but these reductions are not associated with spatial learning abilities. PMID: 22169202
  5. Regional distribution of GABABR2 in auditory neurons matches their inputs; the cellular localization of GABABR2 in auditory neurons fits the synaptic responses in these cells. PMID: 21371537
  6. Adult stem cells from rat adipose tissue or bone marrow were found to express GABA-B2 receptor subunits. GABA-B receptors in differentiated adipose tissue stem cells are functionally active, regulating a key process such as proliferation. PMID: 21618582
  7. Gamma-aminobutyric acid type B (GABA(B)) receptor internalization is regulated by the R2 subunit. PMID: 21724853
  8. Data show that recurrent febrile seizure down-regulated the expression of GABA(B)R2 in a long term. PMID: 17044980
  9. In the brain GABA B receptor 2, but not GABA B receptor 1, biochemically coprecipitates with M2 muscarinic receptors and overlaps with muscarinic M2 receptor expression in cortical neurons. PMID: 20016095
  10. An increased expression of GABA(B2) receptor subunits was seen in somatosensory cerebral cortex, ventrobasal thalamus and reticular thalamic nuclei in genetic absence seizure rats compared to controls. PMID: 12948615
  11. GABA(B)R2 protein is produced in rat testis and sperm and may play a role in GABA triggering of the acrosome reaction PMID: 14967916
  12. Oxygen-glucose deprivation or NMDA produced a ~75% decrease in GABA(B2)levels. Because GABA(B2) is needed for functional surface expression, its down-regulation removes an important inhibitory feedback mechanism under pathological conditions. PMID: 19328818

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Subcellular Location
Cell membrane; Multi-pass membrane protein. Cell junction, synapse, postsynaptic cell membrane; Multi-pass membrane protein. Perikaryon. Cell projection, dendrite.
Protein Families
G-protein coupled receptor 3 family, GABA-B receptor subfamily
Tissue Specificity
Highly expressed in areas of the brain including thalamic nuclei, the hippocampus, cerebellar Purkinje cells and the medial habenula, and moderately expressed in the cerebral cortex, certain anterioventral thalamic nuclei, dorsal medial hypothalamic nucle
Database Links
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7505 Fannin St., Ste 610, Room 7 (CUBIO Innovation Center), Houston, TX 77054, USA
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