Recombinant Mouse Beta-arrestin-2(Arrb2)

Code CSB-YP835595MO
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Source Yeast
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Code CSB-EP835595MO
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Source E.coli
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Code CSB-EP835595MO-B
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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-BP835595MO
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Source Baculovirus
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Code CSB-MP835595MO
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Source Mammalian cell
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Product Details

Purity >85% (SDS-PAGE)
Target Names Arrb2
Uniprot No. Q91YI4
Alternative Names Arrb2Beta-arrestin-2; Arrestin beta-2
Species Mus musculus (Mouse)
Expression Region 1-410
Target Protein Sequence MGEKPGTRVF KKSSPNCKLT VYLGKRDFVD HLDKVDPVDG VVLVDPDYLK DRKVFVTLTC AFRYGREDLD VLGLSFRKDL FIATYQAFPP MPNPPRPPTR LQDRLLKKLG QHAHPFFFTI PQNLPCSVTL QPGPEDTGKA CGVDFEIRAF CAKSIEEKSH KRNSVRLIIR KVQFAPETPG PQPSAETTRH FLMSDRRSLH LEASLDKELY YHGEPLNVNV HVTNNSAKTV KKIRVSVRQY ADICLFSTAQ YKCPVAQLEQ DDQVSPSSTF CKVYTITPLL SDNREKRGLA LDGQLKHEDT NLASSTIVKE GANKEVLGIL VSYRVKVKLV VSRGGDVSVE LPFVLMHPKP HDHITLPRPQ SAPRETDVPV DTNLIEFDTN YATDDDIVFE DFARLRLKGM KDDDCDDQFC
Protein Length full length protein
Tag Info The following tags are available.
N-terminal His-tagged
Tag-Free
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
Protein 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.

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Target Background

Function
Functions in regulating agonist-mediated G-protein coupled receptor (GPCR) signaling by mediating both receptor desensitization and resensitization processes. During homologous desensitization, beta-arrestins bind to the GPRK-phosphorylated receptor and sterically preclude its coupling to the cognate G-protein; the binding appears to require additional receptor determinants exposed only in the active receptor conformation. The beta-arrestins target many receptors for internalization by acting as endocytic adapters (CLASPs, clathrin-associated sorting proteins) and recruiting the GPRCs to the adapter protein 2 complex 2 (AP-2) in clathrin-coated pits (CCPs). However, the extent of beta-arrestin involvement appears to vary significantly depending on the receptor, agonist and cell type. Internalized arrestin-receptor complexes traffic to intracellular endosomes, where they remain uncoupled from G-proteins. Two different modes of arrestin-mediated internalization occur. Class A receptors, like ADRB2, OPRM1, ENDRA, D1AR and ADRA1B dissociate from beta-arrestin at or near the plasma membrane and undergo rapid recycling. Class B receptors, like AVPR2, AGTR1, NTSR1, TRHR and TACR1 internalize as a complex with arrestin and traffic with it to endosomal vesicles, presumably as desensitized receptors, for extended periods of time. Receptor resensitization then requires that receptor-bound arrestin is removed so that the receptor can be dephosphorylated and returned to the plasma membrane. Mediates endocytosis of CCR7 following ligation of CCL19 but not CCL21. Involved in internalization of P2RY1, P2RY4, P2RY6 and P2RY11 and ATP-stimulated internalization of P2RY2. Involved in phosphorylation-dependent internalization of OPRD1 and subsequent recycling or degradation. Involved in ubiquitination of IGF1R. Beta-arrestins function as multivalent adapter proteins that can switch the GPCR from a G-protein signaling mode that transmits short-lived signals from the plasma membrane via small molecule second messengers and ion channels to a beta-arrestin signaling mode that transmits a distinct set of signals that are initiated as the receptor internalizes and transits the intracellular compartment. Acts as signaling scaffold for MAPK pathways such as MAPK1/3 (ERK1/2) and MAPK10 (JNK3). ERK1/2 and JNK3 activated by the beta-arrestin scaffold are largely excluded from the nucleus and confined to cytoplasmic locations such as endocytic vesicles, also called beta-arrestin signalosomes. Acts as signaling scaffold for the AKT1 pathway. GPCRs for which the beta-arrestin-mediated signaling relies on both ARRB1 and ARRB2 (codependent regulation) include ADRB2, F2RL1 and PTH1R. For some GPCRs the beta-arrestin-mediated signaling relies on either ARRB1 or ARRB2 and is inhibited by the other respective beta-arrestin form (reciprocal regulation). Increases ERK1/2 signaling in AGTR1- and AVPR2-mediated activation (reciprocal regulation). Involved in CCR7-mediated ERK1/2 signaling involving ligand CCL19. Is involved in type-1A angiotensin II receptor/AGTR1-mediated ERK activity. Is involved in type-1A angiotensin II receptor/AGTR1-mediated MAPK10 activity. Is involved in dopamine-stimulated AKT1 activity in the striatum by disrupting the association of AKT1 with its negative regulator PP2A. Involved in AGTR1-mediated chemotaxis. Appears to function as signaling scaffold involved in regulation of MIP-1-beta-stimulated CCR5-dependent chemotaxis. Involved in attenuation of NF-kappa-B-dependent transcription in response to GPCR or cytokine stimulation by interacting with and stabilizing CHUK. Suppresses UV-induced NF-kappa-B-dependent activation by interacting with CHUK. The function is promoted by stimulation of ADRB2 and dephosphorylation of ARRB2. Involved in IL8-mediated granule release in neutrophils. Involved in p53/TP53-mediated apoptosis by regulating MDM2 and reducing the MDM2-mediated degradation of p53/TP53. May serve as nuclear messenger for GPCRs. Upon stimulation of OR1D2, may be involved in regulation of gene expression during the early processes of fertilization. Also involved in regulation of receptors other than GPCRs. Involved in endocytosis of TGFBR2 and TGFBR3 and down-regulates TGF-beta signaling such as NF-kappa-B activation. Involved in endocytosis of low-density lipoprotein receptor/LDLR. Involved in endocytosis of smoothened homolog/Smo, which also requires GRK2. Involved in endocytosis of SLC9A5. Involved in endocytosis of ENG and subsequent TGF-beta-mediated ERK activation and migration of epithelial cells. Involved in Toll-like receptor and IL-1 receptor signaling through the interaction with TRAF6 which prevents TRAF6 autoubiquitination and oligomerization required for activation of NF-kappa-B and JUN. Involved in insulin resistance by acting as insulin-induced signaling scaffold for SRC, AKT1 and INSR. Involved in regulation of inhibitory signaling of natural killer cells by recruiting PTPN6 and PTPN11 to KIR2DL1. Involved in the internalization of the atypical chemokine receptor ACKR3. Acts as an adapter protein coupling FFAR4 receptor to specific downstream signaling pathways, as well as mediating receptor endocytosis. During the activation step of NLRP3 inflammasome, directly associates with NLRP3 leading to inhibition of proinflammatory cytokine release and inhibition of inflammation.
Gene References into Functions
  1. Data show that inactivation of the beta-arrestin-2 gene, barr2, in beta-cells of adult mice greatly impairs insulin release and glucose tolerance . PMID: 28145434
  2. Spinal Arrb2 may serve as an intracellular gate for acute to chronic pain transition via desensitization of NMDAR. PMID: 27538456
  3. Knockout of mice beta-arrestin2, but not beta-arrestin1, results in deficits in plasticity mediated by mGlu1 receptors in CA3 pyramidal neurons and by mGlu5 receptors in CA1 pyramidal neurons. PMID: 27886171
  4. beta-arrestin 2 can protect liver tissue from LPS-induced injury via inhibition of TLR4/NF-kappaB signaling pathway-mediated inflammation. PMID: 29375207
  5. Non-visual arrestins regulate the focal adhesion formation via small GTPases RhoA and Rac1 independently of G-protein-coupled receptors. PMID: 29133163
  6. Arrb2 induces cardiomyocyte death by interacting with the p85 subunit of PI3K, and negatively regulating the formation of p85-PI3K/CaV3 survival complex, thus blocking activation of PI3K-Akt-GSK3beta cell survival signalling pathway in cardiac ischemia-reperfusion. PMID: 29016703
  7. these results suggest that beta-arrestin2 down-regulation increases hepatocellular carcinoma cell migration and invasion ability PMID: 27759077
  8. beta-Arrestin2 increases the Itch-mediated ubiquitylation of SuFu PMID: 29515120
  9. Arrestin beta2 deficiency-mediated intestinal progenitor/stem cell radioprotection relied on protracted NF-kappaB activation and subsequent suppression of PUMA induction. PMID: 27128598
  10. GIP stimulation induces a switch in GIPR recycling from a rapid endosomal to a slow trans-Golgi network (TGN) pathway. GPCR kinases and b-arrestin2 are required for this switch in recycling. PMID: 27974210
  11. selective inactivation of the GPCR-associated protein beta-arrestin 2 in hepatocytes of adult mice results in greatly increased hepatic GCGR signaling, leading to striking deficits in glucose homeostasis PMID: 28650340
  12. AT1R-beta-arrestin-2 pathway signaling plays an important role in renal fibrosis. PMID: 28274926
  13. These data suggest that one allele of arrestin-2 is unable to support normal locomotor behavior due to signaling and/or developmental defects. PMID: 28419873
  14. Beta-arrestin-2 with beta-arrestin-1 shared common mechanisms to suppress podocyte autophagy by negative regulation of ATG12-ATG5 conjugation. PMID: 27054338
  15. [beta]-arrestin2 regulates intestinal mucosal inflammation under both homeostatic and colitic conditions. Its mode of action involves negative regulation of T-cell activation and its requirement for induction of regulatory T cells. PMID: 26296063
  16. Results suggest that the antipruritic effects of kappa opioid receptor agonists may not require betaarrestin2 PMID: 26318102
  17. This shows that mood stabilizers lamotrigine, lithium and valproate can exert behavioral effects in mice by disrupting the beta-arrestin 2-mediated regulation of Akt/GSK3 signaling by D2 dopamine receptors. PMID: 26459714
  18. findings show for the first time that Ang II receptor signaling to beta-arrestin regulates ARF6 activation. These proteins together control receptor endocytosis and ultimately cell migration. PMID: 26703465
  19. These results reveal that the protective effect of deficiency of Arrb2 is due to loss of negative regulation of Akt. PMID: 26582201
  20. that Insulin-like growth factor-1 contributes to the mucosal repair by beta-arrestin2-mediated extracellular signal-regulated kinase signaling in experimental colitis PMID: 26362717
  21. ARRB2 is not involved in hepatocellular carcinogenesis. PMID: 26077142
  22. morphine activated JNK2 through an arrestin-independent Src- and PKC-dependent mechanism, whereas fentanyl activated JNK2 through a Src-GRK3/arrestin-2-dependent and PKC-independent mechanism. PMID: 26056051
  23. Arrb2 is required for potentiation of odorant receptor responses by Chrm3. PMID: 25800153
  24. Beta arrestin 2 participates in the perpetuation of airway hyperresponsiveness in a murine asthma model. PMID: 25569510
  25. GPR40 functions via both G protein-mediated and beta-arrestin-mediated mechanisms; endogenous and synthetic ligands differentially engage these pathways to promote insulin secretion. PMID: 26157145
  26. Arrb2 knockout prevents development of cellular mu opioid receptor tolerance but does not affect opioid-withdrawal-related adaptations in single periaqueductal grey neurons PMID: 24597632
  27. The anti-inflammatory action exerted by beta-arrestin-2 appears to be mediated in part through the direct inhibition of p38MAPK, preventing NF-kB activation, and in part through cAMP and PKA activation primed by G protein signaling. PMID: 25318610
  28. beta-arrestin-biased signaling regulates memory reconsolidation PMID: 25831532
  29. findings suggest specific localization of beta-arrestin2 in the myenteric plexus within MOR1-expressing neurons and provide a relation for direct intracellular crosstalk between activation and beta-arrestin2 signaling in the myenteric neurons. PMID: 25083714
  30. ARRB2 is unlikely to be involved in the regulation of insulin secretion, but it is required for beta cell mass plasticity. PMID: 24317793
  31. behavioral studies indicate that GPCR-driven beta-arrestin2 sequestration plays an important peripheral role in the development of thermal sensitivity PMID: 24695785
  32. These results reveal a novel mechanism by which beta-arrestin 2 negatively regulates TLR4-mediated inflammatory reactions PMID: 25012660
  33. Identify N-methyl-d-aspartate receptor as down-regulator of inflammasome activity via beta-arrestin-2 pathway. PMID: 25104498
  34. a novel adaptor beta-arrestin 2 that associates with phosphorylated TIGIT for further recruitment of SHIP1 (SH2-containing inositol phosphatase 1) through the ITT-like motif. PMID: 24817116
  35. results support a model in which beta-arrestin 2 inhibits the production of proinflammatory chemokines, which limits the recruitment of myeloid immune cells and thereby attenuates allergic skin inflammation PMID: 24577407
  36. Beta-arrestin2 regulates cannabinoid CB1 receptors in brain. PMID: 24094141
  37. In Ghrhr D60G homozygous and heterozygous pbARR2-Cre, PTEN mice. PMID: 23689346
  38. These results suggest that beta-arrestin-2 negatively regulates alcohol preference and reward PMID: 23839051
  39. Loss of beta-arrestin 2 reduces the number of Foxp3+ CD4+ regulatory T cells, exacerbating autoimmune encephalomyelitis. PMID: 23859136
  40. beta-arrestin2 plays a protective role in myocardial inflammation-induced inflammation. PMID: 23861891
  41. CCR1.beta-arrestin-2 complex may be related to a potential scavenging function of the receptor, which may be important for maintenance of chemokine gradients and receptor responsiveness in complex fields of chemokines during inflammation. PMID: 24056371
  42. morphine suppresses TLR4-induced TNF release in mast cells, preventing the IKK-dependent phosphorylation of SNAP-23, which is necessary for TNF exocytosis, and this inhibition correlates with the formation of a beta-arrestin-2/TRAF6 complex PMID: 23960234
  43. our results reveal a negative regulatory role for beta-arr2 in polymicrobial infection-induced inflammation PMID: 23753627
  44. beta-arrestin2 deficient pancreatic islets exhibit blunted insulin secretion. The number of docked insulin granules in beta-arrestin2 deficient islets is decreased compared to wild-type islets, while insulin content and beta cell mass remains unchanged. PMID: 23660189
  45. Suggest beta-arrestin-2-dependent signaling plays a major role in AngII-induced abdominal aortic aneurysm formation. PMID: 23524589
  46. beta-arrestin 2 physically associates with the Aph-1a subunit of the gqamma-secretase complex and redistributes the complex toward detergent-resistant membranes, increasing the catalytic activity of the complex. PMID: 23202293
  47. Deletion of GSK3beta in D2R-expressing neurons reveals distinct roles for beta-arrestin2 signaling in antipsychotic and lithium action. PMID: 23188793
  48. The Cftr/betaarr2 double knockout mice also exhibit wild-type (WT) levels of cholesterol synthesis, and WT profiles of signaling protein expression have previously been shown to be altered in CF due to cholesterol-related pathways. PMID: 22523395
  49. Heterologous (but not homologous) desensitization required beta-arrestin-2 (betaarr-2). PMID: 22689562
  50. Data suggest that the proteinase-activated receptor-2 PAR(2)-enhanced inflammatory process is beta-arrestin-2 dependent, whereas the protective anticonstrictor effect of bronchial epithelial PAR(2) may be beta-arrestin independent. PMID: 23012429

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Subcellular Location Cytoplasm. Nucleus. Cell membrane. Membrane, clathrin-coated pit. Cytoplasmic vesicle. Note=Translocates to the plasma membrane and colocalizes with antagonist-stimulated GPCRs.
Protein Families Arrestin family
Tissue Specificity Predominantly localized in neuronal tissues and in the spleen.
Database Links

KEGG: mmu:216869

STRING: 10090.ENSMUSP00000099623

UniGene: Mm.203747

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