Human Adiponutrin/PNPLA3 Antibody

  
  • Species Reactivity
    Human
  • Specificity
    Detects human Adiponutrin/PNPLA3 in direct ELISAs and Western blots. In direct ELISAs, approximately 15% cross‑reactivity with recombinant mouse Adiponutrin is observed.
  • Source
    Polyclonal Sheep IgG
  • Purification
    Antigen Affinity-purified
  • Immunogen
    E. coli-derived recombinant human Adiponutrin/PNPLA3
    Arg160-Arg349
    Accession # Q9NST1
  • 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
    1 µg/mL
    See below
  • Immunocytochemistry
    5-15 µg/mL
    See below
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
Immunocytochemistry
Adiponutrin/ADPN in Human Adipocytes. Adiponutrin/ADPN was detected in immersion fixed human adipocytes using 10 µg/mL Sheep Anti-Human Adiponutrin/ADPN Antigen Affinity-purified Polyclonal Antibody (Catalog # AF5208) for 3 hours at room temperature. Cells were stained with the NorthernLights™ 557-conjugated Anti-Sheep IgG Secondary Antibody (red; Catalog # NL010) and counter­stained with DAPI (blue). View our protocol for Fluorescent ICC Staining of Cells on Coverslips.
Detection of Human Adiponutrin/ADPN by Western Blot. Western blot shows lysates of human adipose tissue. PVDF membrane was probed with 1 µg/mL of Sheep Anti-Human Adiponutrin/ADPN Antigen Affinity-purified Polyclonal Antibody (Catalog # AF5208) followed by HRP-conjugated Anti-Sheep IgG Secondary Antibody (Catalog # HAF016). A specific band was detected for Adiponutrin/ADPN at approximately 53 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 8.
Preparation and Storage
  • Reconstitution
    Reconstitute at 0.2 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: Adiponutrin/PNPLA3
Human Adiponutrin (ADPN; also PNPLA3 and patatin-like phospholipase domain-containing protein 3) is a 53 kDa member of the PNPLA family of phospholipase A2 enzymes. It is expressed in white adipocytes. Adiponutrin is elevated in response to insulin and appears to act not as a phospholipase, but a molecule involved in anabolic pathways. ADPN is likely to be a type II transmembrane protein that is 481 amino acids (aa) in length. It contains one patatin domain (aa 10‑179) that is associated with in vitro enzyme activity and a transmembrane segment between aa 42‑62. There appear to be two splice variants. One shows a four aa deletion of aa 59‑62 and a second shows an alternate start site at Met379. Over aa 160‑349, human ADPN shares 61% aa identity with mouse Adiponutrin.
  • Long Name:
    Patanin-like Phospholipase Domain-containing Protein 3
  • Entrez Gene IDs:
    80339 (Human); 362972 (Rat)
  • Alternate Names:
    Acylglycerol O-acyltransferase; Adiponutrin; ADPN; ADPNdJ796I17.1; C22orf20; Calcium-independent phospholipase A2-epsilon; chromosome 22 open reading frame 20; EC 2.3.1.-; EC 2.7.7.56; EC 3.1.1.3; EC 4.2.3.4; FLJ22012; iPLA(2)epsilon; iPLA2-epsilon; patatin-like phospholipase domain containing 3; patatin-like phospholipase domain-containing protein 3; PNPLA3
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