Human Nicastrin Antibody

Catalog #: MAB5378 Datasheet / COA / SDS

Catalog #	Availability	Size / Price	Qty
MAB5378
MAB5378-SP

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Human Nicastrin Antibody Summary

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 either lyophilized or as a 0.2 µm filtered solution in PBS.

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.

Scientific Data

Immunocytochemistry

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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.

Reconstitution Calculator

Preparation and Storage

Reconstitution

Sterile PBS to a final concentration of 0.5 mg/mL.

Shipping

Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store immediately at the temperature recommended below.

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