Invitrogen™ Phospho-ZAP70/Syk (Tyr319, Tyr352) Monoclonal Antibody (n3kobu5), PE, eBioscience™, Invitrogen™

Catalog No.	Quantity
50-112-8993	25 Tests
50-112-9140	100 Tests

Catalog No. 50-112-8993 Supplier Invitrogen™ Supplier No. 12900641

Description

Mouse Monoclonal Antibody

Description: This n3kobu5 monoclonal antibody recognizes human and mouse zeta chain-associated protein of 70 kD (also known as ZAP-70) and spleen tyrosine kinase (also known as SYK) when phosphorylated on Y319 and Y352, respectively. ZAP-70 and SYK are members of the SYK protein tyrosine kinase (PTK) family that are phosphorylated and activated by Src family PTKs. ZAP-70/SYK Y319/Y352 are located in the so-called interdomain of ZAP-70/SYK (between the N-terminal dual SH2 domains and the C-terminal kinase domain). Phosphorylation of ZAP-70 Y319 by Lck is necessary for T cell receptor (TCR)-dependent association of ZAP-70 with Lck and phospholipase C gamma and subsequent activation of calcium-dependent and Ras signaling cascades. SYK Y352 phosphorylation by Fyn/Lyn is critical for propagation of B cell receptor (BCR) signaling and for B cell development. Specificity of this n3kobu5 clone was determined by ELISA, flow cytometry, and western blotting. Applications Reported: This n3kobu5 antibody has been reported for use in intracellular staining followed by flow cytometric analysis. Applications Tested: This n3kobu5 antibody has been pre-titrated and tested by intracellular staining followed by flow cytometric analysis of stimulated normal human peripheral blood cells. This can be used at 5 μL (0.03 μg) per test. A test is defined as the amount (μg) of antibody that will stain a cell sample in a final volume of 100 μL.

ZAP70 and SYK are closely related cytoplasmic tyrosine kinases that play central roles in immune receptor signaling. ZAP70 (Zeta-chain-associated protein kinase 70; gene: ZAP70) is primarily expressed in T lymphocytes and natural killer (NK) cells, where it is recruited to the T cell receptor (TCR) complex following antigen recognition. Upon activation, ZAP70 phosphorylates downstream adaptor proteins and initiates signaling cascades that drive T cell activation, proliferation, and differentiation. SYK (Spleen Tyrosine Kinase; gene: SYK) is predominantly expressed in B cells and other hematopoietic cells and functions analogously in B cell receptor (BCR) signaling, as well as in Fc receptor and integrin-mediated pathways. Although ZAP70 and SYK share structural homology and overlapping signaling mechanisms, they exhibit distinct expression patterns and immunological roles. Dysregulation of either kinase has been implicated in autoimmune disease, immunodeficiency, and hematologic malignancies, making them important targets in immunology and therapeutic research.

Specifications

• Antigen: Phospho-ZAP70/Syk (Tyr319, Tyr352)
• Applications: Flow Cytometry
• Classification: Monoclonal
• Clone: n3kobu5
• Concentration: 5 μL/Test
• Conjugate: PE
• Formulation: PBS with BSA and 0.09% sodium azide; pH 7.2
• Gene: ZAP70
• Gene Accession No.: P43403, P43404, P43405, P48025
• Gene Alias: 70 kDa zeta-associated protein; p72-Syk; Syk kinase; Syk-related kinase; TCR-associated protein tyrosine kinase; Tyrosine-protein kinase SYK; ZAP-70
• Gene Symbols: Syk, ZAP70
• Host Species: Mouse
• Purification Method: Affinity chromatography
• Quantity: 25 Tests
• Regulatory Status: RUO
• Primary or Secondary: Primary
• Gene ID (Entrez): 20963, 22637, 6850, 7535
• Target Species: Human, Mouse
• Content And Storage: 4°C, store in dark, DO NOT FREEZE!
• Product Type: Antibody
• Form: Liquid
• Isotype: IgG2b κ

For Research Use Only.