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ZAP70 antibody - N-terminal region
Rabbit Polyclonal Antibody
- 产品详情
- 实验流程
Application 
| WB |
|---|---|
| Primary Accession | P43403 |
| Other Accession | NM_207519, NP_997402 |
| Reactivity | Human, Mouse, Rat, Pig, Guinea Pig, Bovine |
| Predicted | Human, Mouse, Rat, Pig, Guinea Pig, Bovine |
| Host | Rabbit |
| Clonality | Polyclonal |
| Calculated MW | 69872 Da |
| Gene ID | 7535 |
|---|---|
| Alias Symbol | FLJ17670, FLJ17679, SRK, STD, TZK, ZAP-70 |
| Other Names | Tyrosine-protein kinase ZAP-70, 2.7.10.2, 70 kDa zeta-chain associated protein, Syk-related tyrosine kinase, ZAP70, SRK |
| Format | Liquid. Purified antibody supplied in 1x PBS buffer with 0.09% (w/v) sodium azide and 2% sucrose. |
| Reconstitution & Storage | Add 50 ul of distilled water. Final anti-ZAP70 antibody concentration is 1 mg/ml in PBS buffer with 2% sucrose. For longer periods of storage, store at 20°C. Avoid repeat freeze-thaw cycles. |
| Precautions | ZAP70 antibody - N-terminal region is for research use only and not for use in diagnostic or therapeutic procedures. |
| Name | ZAP70 |
|---|---|
| Synonyms | SRK |
| Function | Tyrosine kinase that plays an essential role in regulation of the adaptive immune response. Regulates motility, adhesion and cytokine expression of mature T-cells, as well as thymocyte development. Also contributes to the development and activation of primary B-lymphocytes. When antigen presenting cells (APC) activate T-cell receptor (TCR), a serie of phosphorylations lead to the recruitment of ZAP70 to the doubly phosphorylated TCR component CD247/CD3Z through ITAM motif at the plasma membrane. This recruitment serves to localization to the stimulated TCR and to relieve its autoinhibited conformation. Release of ZAP70 active conformation is further stabilized by phosphorylation mediated by LCK. Subsequently, ZAP70 phosphorylates at least 2 essential adapter proteins: LAT and LCP2. In turn, a large number of signaling molecules are recruited and ultimately lead to lymphokine production, T-cell proliferation and differentiation. Furthermore, ZAP70 controls cytoskeleton modifications, adhesion and mobility of T- lymphocytes, thus ensuring correct delivery of effectors to the APC. ZAP70 is also required for TCR-CD247/CD3Z internalization and degradation through interaction with the E3 ubiquitin-protein ligase CBL and adapter proteins SLA and SLA2. Thus, ZAP70 regulates both T- cell activation switch on and switch off by modulating TCR expression at the T-cell surface. During thymocyte development, ZAP70 promotes survival and cell-cycle progression of developing thymocytes before positive selection (when cells are still CD4/CD8 double negative). Additionally, ZAP70-dependent signaling pathway may also contribute to primary B-cells formation and activation through B-cell receptor (BCR). |
| Cellular Location | Cytoplasm. Cell membrane; Peripheral membrane protein. Note=In quiescent T-lymphocytes, it is cytoplasmic. Upon TCR activation, it is recruited at the plasma membrane by interacting with CD247/CD3Z. Colocalizes together with RHOH in the immunological synapse. RHOH is required for its proper localization to the cell membrane and cytoskeleton fractions in the thymocytes (By similarity). |
| Tissue Location | Expressed in T- and natural killer cells. Also present in early thymocytes and pro/pre B-cells |
Research Areas
For Research Use Only. Not For Use In Diagnostic Procedures.
Application Protocols
Provided below are standard protocols that you may find useful for product applications.
REFERENCES
Chan A.C.,et al.Cell 71:649-662(1992).
Kuroyama H.,et al.Biochem. Biophys. Res. Commun. 315:935-941(2004).
Hillier L.W.,et al.Nature 434:724-731(2005).
Arpaia E.,et al.Cell 76:947-958(1994).
Isakov N.,et al.J. Exp. Med. 181:375-380(1995).
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