Human Nicastrin Antibody MAB5378: R&D Systems

Human Nicastrin Antibody

  
  • Species Reactivity
    Human
  • Specificity
    Detects human Nicastrin in direct ELISAs.
  • Source
    Monoclonal Mouse IgG1 Clone # 716918
  • Purification
    Protein A or G purified from hybridoma culture supernatant
  • Immunogen
    Chinese hamster ovary cell line CHO-derived recombinant human Nicastrin
    Asn34-Glu669
    Accession # Q92542
  • 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
  • Immunocytochemistry
    8-25 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
Nicastrin in HepG2 Human Cell Line.

Nicastrin was detected in immersion fixed HepG2 human hepatocellular carcinoma cell line using Mouse Anti-Human Nicastrin Monoclonal Antibody (Catalog # MAB5378) at 10 µg/mL for 3 hours at room temperature. Cells were stained using the NorthernLights™ 557-conjugated Anti-Mouse IgG Secondary Antibody (red; Catalog # NL007) and counterstained with DAPI (blue). Specific staining was localized to cytoplasm. View our protocol for Fluorescent ICC Staining of Cells on Coverslips.

Preparation and Storage
  • Reconstitution
    Sterile PBS to a final concentration of 0.5 mg/mL.
  • 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: Nicastrin

Nicastrin (NCT) is a 150‑160 kDa member of the Nicastrin family of proteins. It is a component of the aspartyl protease gamma -secretase complex and serves to stabilize and direct gamma -secretase components to proper positions in the plasma membrane. The gamma -secretase complex mediates the cleavage of intramembrane proteins such as Notch-1 and APP. Mature human Nicastrin is a 676 amino acid type I transmembrane glycoprotein. It contains a 636 aa extracellular domain (aa 34‑669) that shows a 58 aa sequence (aa 312‑369) which interacts with gamma -secretase substrates. There are multiple splice variants of NCT. One shows a deletion of aa 195‑322 and 394‑709, a second shows a 29 aa substitution for the C-terminal 604 aa and a third shows a deletion of aa 200‑709 accompanied by an insertion of 33 aa after Leu30. Over aa 34‑669, human NCT shares 90% aa identity with mouse NCT.

  • Entrez Gene IDs:
    23385 (Human); 59287 (Mouse); 289231 (Rat)
  • Alternate Names:
    anterior pharynx-defective 2; APH2; ATAG1874; KIAA0253APH2; NCSTN; Nicastrin
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