Invitrogen

Phospho-LCK (Tyr505) Monoclonal Antibody (SRRCHA), PerCP-eFluor™ 710, eBioscience™

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产品信息

46-9076-42

应用
建议稀释比
已发表文章

流式细胞分析 (Flow)

5 µL (0.06 µg)/test
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产品规格

种属反应

Human, Mouse

已发表种属

C. elegans, Mouse

宿主/亚型

Mouse / IgG1, kappa

推荐的同型对照

Mouse IgG1 kappa Isotype Control (P3.6.2.8.1), PerCP-eFluor™ 710, eBioscience™

分类

Monoclonal

类型

Antibody

克隆号

SRRCHA

抗原

Phospho peptide

偶联物

PerCP-eFluor™ 710 PerCP-eFluor™ 710 PerCP-eFluor™ 710

激发/发射光谱

482/708 nm 查看光谱 spectra

形式

Liquid

浓度

5 µL/Test

纯化类型

Affinity chromatography

保存液

PBS, pH 7.2, with BSA

内含物

0.09% sodium azide

保存条件

4°C, store in dark, DO NOT FREEZE!

运输条件

Ambient (domestic); Wet ice (international)

RRID

AB_2573868

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-titrated and tested by intracellular staining followed by flow cytometric analysis of activated human peripheral blood cells. This can be used at 5 µL (0.06 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.

PerCP-eFluor® 710 emits at 710 nm and is excited with the blue laser (488 nm); it can be used in place of PerCP-Cyanine5.5. We recommend using a 710/50 bandpass filter, however, the 695/40 bandpass filter is an acceptable alternative. Please make sure that your instrument is capable of detecting this fluorochrome.

Light sensitivity: This tandem dye is sensitive to photo-induced oxidation. Please protect this vial and stained samples from light.

Fixation: Samples can be stored in IC Fixation Buffer (Product # 00-8222) (100 µL of cell sample + 100 µL of IC Fixation Buffer) or 1-step Fix/Lyse Solution (Product # 00-5333) for up to 3 days in the dark at 4°C with minimal impact on brightness and FRET efficiency/compensation. Some generalizations regarding fluorophore performance after fixation can be made, but clone specific performance should be determined empirically.

Staining Protocol: All protocols work well for this monoclonal antibody. Use of Protocol A: Two-step protocol: intracellular (cytoplasmic) proteins allows for the greatest flexibility for detection of surface and intracellular (cytoplasmic) proteins. Use of Protocol B: One-step protocol: intracellular (nuclear) proteins is recommended for staining of transcription factors in conjunction with surface and phosphorylated intracellular (cytoplasmic) proteins. Protocol C: Two-step protocol: Fixation/Methanol allows for the greatest discrimination of phospho-specific signaling between unstimulated and stimulated samples, but with limitations on the ability to stain specific surface proteins (refer to "Clone Performance Following Fixation/Permeabilization" located in the BestProtocols Section under the Resources tab online). All Protocols can be found in the Flow Cytometry Protocols: "Staining Intracellular Antigens for Flow Cytometry Protocol" located in the BestProtocols® Section under the Resources tab online.

Excitation: 488 nm; Emission: 710 nm; Laser: Blue Laser.

Filtration: 0.2 µm post-manufacturing filtered.

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.

仅用于科研。不用于诊断过程。未经明确授权不得转售。

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生物信息学

蛋白别名: EC 2.7.10.2; kinase Lck; Leukocyte C-terminal Src kinase; LSK; Lymphocyte cell-specific protein-tyrosine kinase; OTTHUMP00000008640; OTTHUMP00000008740; OTTHUMP00000008741; p56(LSTRA) protein-tyrosine kinase; p56-LCK; Protein YT16; Proto-oncogene Lck; Proto-oncogene tyrosine-protein kinase LCK; RP4-675E8.4; T cell-specific protein-tyrosine kinase; T-lymphocyte specific protein tyrosine kinase p56lck; tyr; Tyrosine-protein kinase Lck

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基因别名: Hck-3; IMD22; LCK; LSK; Lsk-t; Lskt; p56; p56Lck; pp58lck; YT16

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UniProt ID: (Human) P06239, (Mouse) P06240

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Entrez Gene ID: (Human) 3932, (Mouse) 16818

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功能
glycoprotein binding protein tyrosine kinase activity non-membrane spanning protein tyrosine kinase activity protein serine/threonine phosphatase activity protein binding ATP binding protein C-terminus binding kinase activity protein kinase binding protein phosphatase binding SH2 domain binding CD4 receptor binding CD8 receptor binding identical protein binding phosphatidylinositol 3-kinase binding phosphatidylinositol-4,5-bisphosphate 3-kinase activity ATPase binding nucleotide binding antigen binding protein kinase activity receptor binding transferase activity transferase activity, transferring phosphorus-containing groups protein complex binding
参与通路
protein phosphorylation activation of cysteine-type endopeptidase activity involved in apoptotic process cell surface receptor signaling pathway transmembrane receptor protein tyrosine kinase signaling pathway response to mechanical stimulus response to metal ion positive regulation of gene expression phosphorylation dephosphorylation peptidyl-tyrosine phosphorylation T cell differentiation peptidyl-tyrosine autophosphorylation regulation of cell proliferation response to drug positive regulation of tyrosine phosphorylation of Stat5 protein response to hydrogen peroxide regulation of apoptotic process innate immune response positive regulation of gamma-delta T cell differentiation protein autophosphorylation B cell receptor signaling pathway regulation of T cell receptor signaling pathway positive regulation of T cell activation release of sequestered calcium ion into cytosol positive regulation of uterine smooth muscle contraction cellular response to peptide hormone stimulus positive regulation of intrinsic apoptotic signaling pathway protein dephosphorylation cellular zinc ion homeostasis regulation of phosphatidylinositol 3-kinase signaling viral process hemopoiesis platelet activation T cell costimulation phosphatidylinositol phosphorylation phosphatidylinositol-mediated signaling regulation of defense response to virus by virus T cell receptor signaling pathway positive regulation of T cell receptor signaling pathway leukocyte migration regulation of lymphocyte activation
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