Human ZAP70 Antibody

Catalog # Availability Size / Price Qty
AF6375
AF6375-SP
Detection of Human ZAP70 by Western Blot.
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Human ZAP70 Antibody Summary

Species Reactivity
Human
Specificity
Detects human ZAP70 in Western blots.
Source
Polyclonal Sheep IgG
Purification
Antigen Affinity-purified
Immunogen
E. coli-derived recombinant human ZAP70
Phe10-Cys102
Accession # P43403
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.
Label
Unconjugated

Applications

Recommended Concentration
Sample
Western Blot
1 µg/mL
See below
Simple Western
20 µg/mL
See below
Immunohistochemistry
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.

Scientific Data

Western Blot Detection of Human ZAP70 antibody by Western Blot. View Larger

Detection of Human ZAP70 by Western Blot. Western blot shows lysates of Jurkat human acute T cell leukemia cell line, MOLT-4 human acute lymphoblastic leukemia cell line, and Ramos human Burkitt's lymphoma cell line. PVDF Membrane was probed with 1 µg/mL of Human ZAP70 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF6375) followed by HRP-conjugated Anti-Sheep IgG Secondary Antibody (Catalog # HAF016). A specific band was detected for ZAP70 at approximately 70 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 2.

Immunohistochemistry ZAP70 antibody in Human Lymphoma by Immunohistochemistry (IHC-P). View Larger

ZAP70 in Human Lymphoma. ZAP70 was detected in immersion fixed paraffin-embedded sections of human lymphoma using Human ZAP70 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF6375) at 3 µg/mL overnight at 4 °C. Before incubation with the primary antibody, tissue was subjected to heat-induced epitope retrieval using Antigen Retrieval Reagent-Basic (Catalog # CTS013). Tissue was stained using the Anti-Sheep HRP-DAB Cell & Tissue Staining Kit (brown; Catalog # CTS019) and counterstained with hematoxylin (blue). Specific staining was localized to epithelial cell cytoplasm. View our protocol for Chromogenic IHC Staining of Paraffin-embedded Tissue Sections.

Simple Western Detection of Human ZAP70 antibody by Simple Western<sup>TM</sup>. View Larger

Detection of Human ZAP70 by Simple WesternTM. Simple Western lane view shows lysates of Jurkat human acute T cell leukemia cell line, MOLT-4 human acute lymphoblastic leukemia cell line, Ramos human Burkitt's lymphoma cell line, and Raji human Burkitt's lymphoma cell line, loaded at 0.2 mg/mL. A specific band was detected for ZAP70 at approximately 66 kDa (as indicated) using 20 µg/mL of Sheep Anti-Human ZAP70 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF6375) followed by 1:50 dilution of HRP-conjugated Anti-Sheep IgG Secondary Antibody (Catalog # HAF016). This experiment was conducted under reducing conditions and using the 12-230 kDa separation system.

Reconstitution Calculator

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Preparation and Storage

Reconstitution
Sterile PBS to a final concentration of 0.2 mg/mL.
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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: ZAP70

ZAP70 (Zeta-associated protein 70 kDa; also Syk-related tyrosine kinase) is a 68-70 kDa member of the SYK subfamily, tyrosine kinase family of molecules. It is found in immature thymocytes, plus T cells and NK cells, and is essential for TCR-mediated IL-2 production, plus the development of CD8+ T cells. Human ZAP70 is 619 amino acids (aa) in length. It contains two SH2 domains (aa 10-102 and 162-254), a regulatory interdomain region (aa 255-337), and a C-terminal tyrosine kinase domain (aa 338-539). The two SH2 domains bind to phosphorylated tyrosines on the CD3  zeta -chain following TCR activation. This activates the ZAP70 kinase domain with the initiation of downstream signaling via SLP76 and LAT. There are four potential splice variants of ZAP70. One termed TZK is 37 kDa in size, and characterized by an alternative start site at Met308. This is expressed in very early thymocytes. Two others show an alternative start site 88 aa upstream of the standard site, with one of these variants also showing a deletion of aa 495-541. A fourth variant contains an eight aa substitution for aa 1-134. Over aa 10-102, human ZAP70 shares 98% aa identity with mouse ZAP70.

Long Name
Zeta-chain [TCR] Associated Protein Kinase 70 kDa
Entrez Gene IDs
7535 (Human); 22637 (Mouse); 301348 (Rat)
Alternate Names
70 kDa zeta-associated protein; EC 2.7.10; EC 2.7.10.2; mrtle; mur; SRK; SRKFLJ17679; STD; STDFLJ17670; Syk-related tyrosine kinase; tyrosine-protein kinase ZAP-70; TZK; ZAP70; ZAP-70; zeta-chain (TCR) associated protein kinase (70 kD); zeta-chain (TCR) associated protein kinase 70kDa; zeta-chain associated protein kinase, 70kD

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