Phospho-LCK (Tyr505) Monoclonal Antibody (SRRCHA), PE

货号：12-9076-41,12-9076-42

规格：25 Tests ,100 Tests

价格：1343,3307

产品类型：流式抗体

品牌：Thermo Fisher

物种：人/小鼠

宿主：小鼠

抗体亚型：IgG1, kappa

克隆号：SRRCHA

荧光染料：PE

类型:	单抗	同型对照：	Mouse IgG1 kappa Isotype Control (P3.6.2.8.1), PE
浓度：	5 µL/Test	用法：	5 µL (0.25 µg)/test(Flow)

产品详细信息Description: This SRRCHA monoclonal antibody recognizes human and mouse LCK when phosphorylated on tyrosine 505 (Y505). Y505 is a negative-regulatory site that is phosphorylated by the kinase CSK. LCK is expressed in T cells where it associates with the cytoplasmic tails of the CD4 and CD8 co-receptors on T helper cells and cytotoxic T cells, respectively. When the TCR is engaged, LCK acts to phosphorylate the intracellular chains of CD3 and zeta chains of the TCR complex, allowing the cytoplasmic tyrosine kinase, ZAP-70, to bind to them. LCK then phosphorylates and activates ZAP-70, which then phosphorylates the adaptor protein, LAT, that serves as a docking site for a number of other proteins, including SLP-76, Grb2, and phospholipase C gamma1. Mice lacking expression of LCK show defects in T cell development and function.Applications Reported: This SRRCHA antibody has been reported for use in intracellular staining followed by flow cytometric analysis.Applications Tested: This SRRCHA antibody has been pre-diluted and tested by intracellular staining followed by flow cytometric analysis of Jurkat cells using the Intracellular Fixation and Permeabilization Buffer Set (Product # 88-8824-00) and protocol. Please refer to "Staining Intracellular Antigens for Flow Cytometry, Protocol A: Two step protocol for intracellular (cytoplasmic) proteins" located in the Best Protocols Section under the Resources tab online. This may be used at 5 µL (0.25 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. Cell number should be determined empirically but can range from 10^5 to 10^8 cells/test.Excitation: 488-561 nm; Emission: 578 nm; Laser: Blue Laser, Green Laser, Yellow-Green Laser靶标信息LCK is a member of the Src-family tyrosine kinase, which are essential for signaling through the T-cell receptor (TCR) complex. Upon TCR triggering, LCK phosphorylates the ITAM motives in its zeta subunits establishing binding sites for the SH2 domains of the tyrosine kinase ZAP70, which is also phosphorylated by LCK and activated to generate subsequent signaling platforms by phosphorylation of adaptor LAT. The majority of LCK is localized to the plasma membrane, however, there is also a significant fraction associated with the Golgi apparatus which may contribute to Raf activation under conditions of weak stimulation through the TCR. LCK contains N-terminal sites for myristylation and palmitylation, a PTK domain, and SH2 and SH3 domains which are involved in mediating protein-protein interactions with phosphotyrosine-containing and proline-rich motifs, respectively. LCK is also involved in the regulation of apoptosis induced by various stimuli, but not by the death receptors. Diseases associated with LCK include Immunodeficiency 22 and CD45 deficiency. Alternatively splice variants of the LCK gene encoding different isoforms of the protein have been found.

数据

Phospho-LCK (Tyr505) Antibody (12-9076-42) in FlowJurkat cells were unstimulated (blue histogram) or stimulated for 5 minutes with hydrogen peroxide-activated sodium pervanadate. Cells were then stained intracellularly, using the Intracellular Fixation and Permeabilization Buffer Set (Product # 88-8824-00) and protocol, with Mouse IgG1 kappa Isotype Control, PE (Product # 12-4714-82) or phospho-LCK (Y505) Monoclonal Antibody, PE (purple histogram).

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