Human beta -Arrestin 1 Antibody

  
  • Species Reactivity
    Human
  • Specificity
    Detects human beta -Arrestin 1 in direct ELISAs and Western blots.
  • Source
    Monoclonal Rat IgG2A Clone # 425817
  • Purification
    Protein A or G purified from hybridoma culture supernatant
  • Immunogen
    E. coli-derived recombinant human beta -Arrestin 1
    Met1-Arg418
    Accession # P49407
  • Formulation
    Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
  • Label
    Unconjugated
Applications
  •  
    Recommended
    Concentration
    Sample
  • Western Blot
    2 µg/mL
    See below
  • Immunohistochemistry
    8-25 µg/mL
    Immersion fixed paraffin-embedded sections of human colon cancer tissue
Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
Data Examples
Detection of Human beta ‑Arrestin 1 by Western Blot. Western blot shows lysates of human peripheral blood mononuclear cells under reducing (R) and non-reducing (NR) conditions. PVDF membrane was probed with 2 µg/mL Rat Anti-Human beta ‑Arrestin 1 Monoclonal Antibody (Catalog # MAB45601) followed by HRP-conjugated Anti-Rat IgG Secondary Antibody (Catalog # HAF005). A specific band for beta ‑Arrestin 1 was detected at approximately 60 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
Preparation and Storage
  • Reconstitution
    Reconstitute at 0.5 mg/mL in sterile PBS.
  • Shipping
    The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
  • Stability & Storage
    Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
    • 12 months from date of receipt, -20 to -70 °C as supplied.
    • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
    • 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Background: beta-Arrestin 1
The Arrestin family consists of four members: Arrestin 1 (visual Arrestin), Arrestin 2 ( beta -Arrestin 1), Arrestin 3 ( beta -Arrestin 2), and Arrestin 4 (cone Arrestin). While visual and cone Arrestins are found almost exclusively in the retina, beta -Arrestins 1 and 2 are ubiquitously expressed, and were initially described as negative regulators of G protein-coupled receptor (GPCR) signaling. More recently, beta -Arrestins have been determined to serve as scaffolds for various signaling pathways, including the MAPK cascades activating ERK2, p38 alpha, and JNK3. These beta -Arrestin scaffolds tie together the appropriate kinases in series, forming a discreet signaling module that localizes components to specific subcellular environments and facilitates greater kinase activation.
  • Entrez Gene IDs:
    408 (Human); 109689 (Mouse); 25387 (Rat)
  • Alternate Names:
    ARB1; ARR1; ARRB1; arrestin 2; Arrestin beta-1; arrestin, beta 1; betaArrestin 1; beta-Arrestin 1; beta-arrestin-1
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