PE anti-BTK Phospho (Tyr551)/ITK Phospho (Tyr512) Antibody

Pricing & Availability
Clone
A16064A (See other available formats)
Other Names
BTK: Bruton’s tyrosine kinase, Bruton agammaglobulinemia tyrosine kinase, AGMX1, ATK, IMD1, PSCTK1, XLA, BPK, ITK: Interleukin-2-inducible T-cell kinase, T-cell-specific kinase, EMT, LYK, PSCTK2
Isotype
Mouse IgG1, κ
Ave. Rating
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Product Citations
publications
A16064A_PE_BTKPhospho_Antibody_1_052319_updated.png
Human peripheral blood lymphocytes were treated with (left), or without (right) hydrogen peroxide for 5 minutes, fixed with Fixation Buffer (Cat No. 420801), permeabilized with Intracellular Staining Permeabilization Wash Buffer (Cat No. 421002), then stained with CD19 Brilliant Violet 421™ and anti-BTK Phospho (Tyr551)/ITK Phospho (Tyr512) (Clone A16064A) PE.
  • A16064A_PE_BTKPhospho_Antibody_1_052319_updated.png
    Human peripheral blood lymphocytes were treated with (left), or without (right) hydrogen peroxide for 5 minutes, fixed with Fixation Buffer (Cat No. 420801), permeabilized with Intracellular Staining Permeabilization Wash Buffer (Cat No. 421002), then stained with CD19 Brilliant Violet 421™ and anti-BTK Phospho (Tyr551)/ITK Phospho (Tyr512) (Clone A16064A) PE.
  • A16064A_PE_BTKPhospho_Antibody_2_052319_updated.png
    C57BL/6 mouse splenocytes were treated with (left), or without (right) hydrogen peroxide for 5 minutes, fixed with Fixation Buffer (Cat. No. 420801), permeabilized with Intracellular Staining Permeabilization Wash Buffer (Cat. No. 421002), then stained with CD19 APC and anti-BTK Phospho (Tyr551)/ITK Phospho (Tyr512) (Clone A16064A) PE.
See PE spectral data
Cat # Size Price Quantity Avail. Save
646903 25 tests 104€
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646904 100 tests 236€
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Description

Bruton’s tyrosine kinase (BTK) is a Tec family kinase that plays a critical role in B cell development. Upon B cell receptor engagement, BTK translocates to the plasma membrane, where it is transphosphorylated by LYN and SYK kinases at Tyr 551. This initial phosphorylation event is followed by autophosphorylation at Tyr 223. Phosphorylated Tyr 223 is proposed to serve as a docking site for other proteins containing an SH2 domain. Downregulation of BTK activity is achieved through phosphorylation at Ser 180 by PKCβ, which results in reduced membrane recruitment and concomitant transphosphorylation. BTK-mediated B cell receptor signaling is required for B cell survival in the bone marrow and is a therapeutic target for certain B cell malignancies. Mutations in the BTK gene results in X-linked agammaglobulinemia (XLA), a primary immunodeficiency disease characterized by a failure in B cell maturation. Additionally, BTK plays a role in Toll-like receptor signaling in innate immune cells, and has been shown to play a direct role in NLRP3 inflammasome activation, thus contributing to ischaemic brain injury.

 

IL2-inducible T-cell kinase (ITK) is a tyrosine kinase that is expressed in T cells. It regulates the proliferation, differentiation and development of conventional T cells and NK T cells. Once T cells are activated, a series of phosphorylation events occur leading to the phosphorylation of Tyr 512 in the activation loop by LCK. Subsequent autophosphorylation at Tyr 180 leads to activation of the kinase. Activated ITK can stimulated downstream intracellular calcium mobilization and NFAT nucleus translocation, and in turn, activate T cells. The phenotypes of mice deficient in ITK show severely affected immune response and development.

Product Details
Technical Data Sheet (pdf)

Product Details

Reactivity
Human, Mouse
Antibody Type
Monoclonal
Host Species
Mouse
Immunogen
Human BTK peptide phosphorylated at Tyr 551.
Formulation
Phosphate-buffered solution, pH 7.2, containing 0.09% sodium azide and 0.2% (w/v) BSA (origin USA).
Preparation
The antibody was purified by affinity chromatography and conjugated with PE under optimal conditions. The solution is free of unconjugated PE and unconjugated antibody.
Concentration
Lot-specific (please contact technical support for concentration and total µg amount, or use our Lookup tool if you have a lot number.)
Storage & Handling
The antibody solution should be stored undiluted between 2°C and 8°C, and protected from prolonged exposure to light. Do not freeze.
Application

ICFC - Quality tested

Recommended Usage

Each lot of this antibody is quality control tested by intracellular flow cytometry using our True-Phos™ Perm Buffer in Cell Suspensions Protocol. For flow cytometric staining, the suggested use of this reagent is 5 µl per million cells in 100 µl staining volume or 5 µl per 100 µl of whole blood.

Excitation Laser
Blue Laser (488 nm)
Green Laser (532 nm)/Yellow-Green Laser (561 nm)
Application Notes

This clone was initially generated against a BTK peptide sequence containing phospho Tyrosine 551, but was shown to also bind to the highly homologous phospho Tyrosine 512 within the T-cell specific tyrosine kinase ITK. Due to complete conservation of these BTK and ITK phosphosites and the surrounding residues between human and mice, this antibody is predicted to recognize mouse BTK Phospho Tyrosine 551 and mouse ITK Phospho Tyrosine 517.

RRID
AB_2721624 (BioLegend Cat. No. 646903)
AB_2721625 (BioLegend Cat. No. 646904)

Antigen Details

Structure
BTK encodes a 659 amino acid protein with a predicted molecular weight of 76.2 kD. Contains a PH domain (a.a. 1-133) that binds phosphatidylinositol (3,4,5)-triphosphate (PIP3) and polyphosphates, an SH3 domain (a.a. 214-274), an SH2 domain (a.a. 281-377), and a protein kinase domain (402-655).
ITK encodes a 620 amino acid protein with a predicted molecular weight of 71.8 kD. Contains one PH domain (a.a. 4-111) for plasma membrane recruitment, both SH3 (a.a. 171-231) and SH3 (a.a. 239-338) domains, and one protein kinase domain (a.a. 363-615).
Distribution

BTK: Cytosol, plasma membrane-associated, B cells
ITK: Cytosol, plasma membrane-associated, T cells

Function
BTK: Links B cell receptor engagement with downstream signaling events
ITK: Links T cell receptor engagement with downstream signaling events
Interaction
ARID3A, BLNK, CAV1, GNAQ, GTF2I, PLGC2, PRKD1, SH3BP5
Ligand/Receptor
PIP3
Biology Area
Cell Biology, Signal Transduction
Molecular Family
Phospho-Proteins, Protein Kinases/Phosphatase
Antigen References
  1. Yang W, et al. 1997. Proc Natl Acad Sci U.S.A. 94:604.
  2. Park H, et al. 1996. Immunity. 4:515.
  3. Lin L, et al. 2009. Biochemistry. 48:2021.
  4. Heyeck SD, et al. 1997. J. Biol. Chem. 272:25401.
  5. Nore BF, et al. 2003. Biochim. Biophys. Acta. 1645:123.
Gene ID
3702 View all products for this Gene ID 695 View all products for this Gene ID
UniProt
View information about BTK Phospho (Tyr551)/ITK Phospho (Tyr512) on UniProt.org

Related FAQs

What type of PE do you use in your conjugates?
We use R-PE in our conjugates.
Go To Top Version: 1    Revision Date: 01.05.2018

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