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| Reactivity: | Human, Mouse, Rat |
| Applications: | WB, IHC, IF/IC, ELISA |
| Host Species: | Rabbit |
| Isotype: | IgG |
| Clonality: | Polyclonal antibody |
| Gene Name: | arrestin beta 2 |
| Gene Symbol: | ARRB2 |
| Synonyms: | ARB2; ARR2; BARR2; ARRB2 |
| Gene ID: | 409 |
| UniProt ID: | P32121 |
| Immunogen: | A synthetic peptide corresponding to a sequence within amino acids 300-400 of human ARRB2 (NP_004304.1). |
| Dilution: | WB 1:500-1:1000; IHC 1:50-1:200; IF/IC 1:50-1:200 |
| Purification Method: | Affinity purification |
| Concentration: | 0.89 mg/ml |
| Buffer: | PBS with 0.02% sodium azide, 50% glycerol, pH7.3. |
| Storage: | Store at -20°C. Avoid freeze/thaw cycles. |
| Documents: | Manual-ARRB2 antibody |
Background
Members of arrestin/beta-arrestin protein family are thought to participate in agonist-mediated desensitization of G-protein-coupled receptors and cause specific dampening of cellular responses to stimuli such as hormones, neurotransmitters, or sensory signals. Arrestin beta 2, like arrestin beta 1, was shown to inhibit beta-adrenergic receptor function in vitro. It is expressed at high levels in the central nervous system and may play a role in the regulation of synaptic receptors. Besides the brain, a cDNA for arrestin beta 2 was isolated from thyroid gland, and thus it may also be involved in hormone-specific desensitization of TSH receptors. Multiple alternatively spliced transcript variants encoding different isoforms have been found for this gene.
Images
 | Western blot analysis of lysates from HeLa cells, using ARRB2 Rabbit pAb (A1171) at 1:1000 dilution. Secondary antibody: HRP-conjugated Goat anti-Rabbit IgG (H+L) (AS014) at 1:10000 dilution. Lysates/proteins: 25μg per lane. Blocking buffer: 3% nonfat dry milk in TBST. Detection: ECL Basic Kit (RM00020). Exposure time: 90s. |
 | Immunohistochemistry analysis of paraffin-embedded Human colon using ARRB2 Rabbit pAb (A1171) at dilution of 1:100 (40x lens). High pressure antigen retrieval performed with 0.01M Citrate Bufferr (pH 6.0) prior to IHC staining. |
 | Immunohistochemistry analysis of paraffin-embedded Human tonsil using ARRB2 Rabbit pAb (A1171) at dilution of 1:100 (40x lens). High pressure antigen retrieval performed with 0.01M Citrate Bufferr (pH 6.0) prior to IHC staining. |
 | Immunofluorescence analysis of HeLa cells using ARRB2 Rabbit pAb (A1171) at dilution of 1:100 (40x lens). Secondary antibody: Cy3-conjugated Goat anti-Rabbit IgG (H+L) (AS007) at 1:500 dilution. Blue: DAPI for nuclear staining. |
 | Immunofluorescence analysis of NIH/3T3 cells using ARRB2 Rabbit pAb (A1171) at dilution of 1:100 (40x lens). Secondary antibody: Cy3-conjugated Goat anti-Rabbit IgG (H+L) (AS007) at 1:500 dilution. Blue: DAPI for nuclear staining. |
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