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> home > Products > Primary Antibodies > Antibody Collections > Anti-Kinome Antibodies > BLK Antibody
BLK Antibody
Purified Mouse Monoclonal Antibody
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Application 
| WB, FC, ICC, E |
|---|---|
| Primary Accession | P51451 |
| Reactivity | Human |
| Host | Mouse |
| Clonality | Monoclonal |
| Clone Names | 1E6 |
| Isotype | IgG1 |
| Calculated MW | 58kDa |
| Description | Blk is a Src family protein tyrosine kinase expressed in all stages of B cell development . Activation of B cells by various ligands is accompanied by activation of Blk . It has been suggested that Blk is involved in the control of B cell differentiation and proliferation . Blk transcripts have also been detected in human thymocytes, but not in mature T cells, implicating that Blk may play an important role in thymopoiesis . Blk function may be redundant, however, as mice that do not express Blk are not impaired with respect to B cell development and immune response . |
| Immunogen | Purified recombinant fragment of human BLK expressed in E. Coli. |
| Formulation | Ascitic fluid containing 0.03% sodium azide. |
| Gene ID | 640 |
|---|---|
| Other Names | Tyrosine-protein kinase Blk, 2.7.10.2, B lymphocyte kinase, p55-Blk, BLK |
| Dilution | WB~~1/500 - 1/2000 IF~~1/200 - 1/1000 FC~~1/200 - 1/400 |
| Storage | Maintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles. |
| Precautions | BLK Antibody is for research use only and not for use in diagnostic or therapeutic procedures. |
| Name | BLK |
|---|---|
| Function | Non-receptor tyrosine kinase involved in B-lymphocyte development, differentiation and signaling (By similarity). B-cell receptor (BCR) signaling requires a tight regulation of several protein tyrosine kinases and phosphatases, and associated coreceptors (By similarity). Binding of antigen to the B-cell antigen receptor (BCR) triggers signaling that ultimately leads to B-cell activation (By similarity). Signaling through BLK plays an important role in transmitting signals through surface immunoglobulins and supports the pro-B to pre-B transition, as well as the signaling for growth arrest and apoptosis downstream of B-cell receptor (By similarity). Specifically binds and phosphorylates CD79A at 'Tyr-188'and 'Tyr-199', as well as CD79B at 'Tyr-196' and 'Tyr-207' (By similarity). Phosphorylates also the immunoglobulin G receptors FCGR2A, FCGR2B and FCGR2C (PubMed:8756631). With FYN and LYN, plays an essential role in pre-B-cell receptor (pre-BCR)-mediated NF-kappa-B activation (By similarity). Contributes also to BTK activation by indirectly stimulating BTK intramolecular autophosphorylation (By similarity). In pancreatic islets, acts as a modulator of beta-cells function through the up-regulation of PDX1 and NKX6-1 and consequent stimulation of insulin secretion in response to glucose (PubMed:19667185). Phosphorylates CGAS, promoting retention of CGAS in the cytosol (PubMed:30356214). |
| Cellular Location | Cell membrane; Lipid-anchor. Note=Present and active in lipid rafts. Membrane location is required for the phosphorylation of CD79A and CD79B (By similarity). |
| Tissue Location | Expressed in lymphatic organs, pancreatic islets, Leydig cells, striate ducts of salivary glands and hair follicles |
Research Areas
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Application Protocols
Provided below are standard protocols that you may find useful for product applications.
References
1. N Engl J Med. 2008 Feb 28;358(9):900-9. 2. Genes Immun. 2009 Apr;10(3):219-26. 3. Proc Natl Acad Sci U S A. 2009 Aug 25;106(34):14460-5.
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$ 325.00
Cat# AO1487a
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