Anti-Phospho-IL-7 Receptor Alpha Chain Y449 Antibody

IL7R antibody

Boster Bio Anti-Phospho-IL-7 Receptor Alpha Chain Y449 Antibody (Catalog # P02222). Tested in ELISA, WB applications. This antibody reacts with Human, Mouse, Rat.

Product Info Summary

SKU: P02222
Size: 100ug
Reactive Species: Human, Mouse, Rat
Host: Rabbit
Application: ELISA, IHC, WB

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Product Name

Anti-Phospho-IL-7 Receptor Alpha Chain Y449 Antibody

View all IL7R Antibodies

SKU/Catalog Number

P02222

Size

100ug

Form

Liquid (sterile filtered)

Description

Boster Bio Anti-Phospho-IL-7 Receptor Alpha Chain Y449 Antibody (Catalog # P02222). Tested in ELISA, WB applications. This antibody reacts with Human, Mouse, Rat.

Storage & Handling

Store IL-7 Receptor Alpha Chain phospho Y449 Antibody at -20°C prior to opening. Aliquot contents and freeze at -20°C or below for extended storage. Avoid cycles of freezing and thawing. Centrifuge product if not completely clear after standing at room temperature. This product is stable for several weeks at 4°C as an undiluted liquid. Dilute only prior to immediate use. Expiration date is one (1) year from date of opening. (Ship on dry ice.)

Cite This Product

Anti-Phospho-IL-7 Receptor Alpha Chain Y449 Antibody (Boster Biological Technology, Pleasanton CA, USA, Catalog # P02222)

Host

Rabbit

Contents

0.02 M Potassium Phosphate, 0.15 M Sodium Chloride, pH 7.2, 0.01% (w/v) Sodium Azide

Clonality

Polyclonal

Isotype

IgG

Immunogen

This affinity purified antibody was prepared from whole rabbit serum produced by repeated immunizations with a synthetic peptide corresponding to residues near Y449 of mouse IL-7 protein.

Reactive Species

P02222 is reactive to IL7R in Human, Mouse, Rat

Observed Molecular Weight

42 kDa

Calculated molecular weight

51.6 kDa

Background of IL7R

This antibody is suitable for Cancer, Immunology and Nuclear Signaling research. Interleukin-7 is a glycoprotein involved in the regulation of lymphopoiesis. Response of cells to IL7 is dependent on the presence of the interleukin 7 receptor (IL7R); the active receptor is an alpha/gamma chain heterodimer. The gamma(c) chain, which also associates with the interleukin-2 receptor, serves primarily to activate signal transduction by the IL7R complex, while the alpha chain of IL7R determines specific signaling events through its association with cytoplasmic signaling molecules. The human and mouse sequence is nearly identical. In humans, severe combined immunodeficiency is caused by genetic defects in IL-7 receptor. The tyrosine residue at the 449 position is a critical signaling site of the intracellular domain of IL-7 receptor. This site is rapidly phosphorylated by janus kinases after the IL-7 receptor is engaged. IL-7 Receptor Alpha Chain phospho Y449 Antibody is ideal for investigators involved in Cell Signaling, Signal Transduction and Immunology research.

Antibody Validation

Boster validates all antibodies on WB, IHC, ICC, Immunofluorescence, and ELISA with known positive control and negative samples to ensure specificity and high affinity, including thorough antibody incubations.

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Applications

P02222 is guaranteed for ELISA, IHC, WB Boster Guarantee

Assay Dilutions Recommendation

The recommendations below provide a starting point for assay optimization. The actual working concentration varies and should be decided by the user.

ELISA: 1:5,000 - 1:50,000
IHC: User optimized
WB: 1:10,000
This affinity purified antibody has been tested for use in ELISA, immunoprecipitation, and western blotting.  Specific conditions for reactivity should be optimized by the end user.  Expect a band approximately 55 kDa in size corresponding to phosphorylated IL-7 by western blotting in the appropriate cell lysate or extract.  This phospho-specific polyclonal antibody reacts with mouse IL-7 pY449 and shows minimal reactivity by ELISA against the non-phosphorylated form of the immunizing peptide.

Validation Images & Assay Conditions

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6 Customer Q&As for Anti-Phospho-IL-7 Receptor Alpha Chain Y449 Antibody

Question

We are interested in to test anti-Phospho-IL-7 Receptor Alpha Chain Y449 antibody P02222 on human b-cell for research purposes, then I may be interested in using anti-Phospho-IL-7 Receptor Alpha Chain Y449 antibody P02222 for diagnostic purposes as well. Is the antibody suitable for diagnostic purposes?

Verified Customer

Verified customer

Asked: 2020-01-31

Answer

The products we sell, including anti-Phospho-IL-7 Receptor Alpha Chain Y449 antibody P02222, are only intended for research use. They would not be suitable for use in diagnostic work. If you have the means to develop a product into diagnostic use, and are interested in collaborating with us and develop our product into an IVD product, please contact us for more discussions.

Boster Scientific Support

Answered: 2020-01-31

Question

I was wanting to use your anti-Phospho-IL-7 Receptor Alpha Chain Y449 antibody for WB for human b-cell on frozen tissues, but I want to know if it has been validated for this particular application. Has this antibody been validated and is this antibody a good choice for human b-cell identification?

Verified Customer

Verified customer

Asked: 2020-01-27

Answer

As indicated on the product datasheet, P02222 anti-Phospho-IL-7 Receptor Alpha Chain Y449 antibody has been validated for WB on human, mouse, rat tissues. We have an innovator award program that if you test this antibody and show it works in human b-cell in IHC-frozen, you can get your next antibody for free.

Boster Scientific Support

Answered: 2020-01-27

Question

I have a question about product P02222, anti-Phospho-IL-7 Receptor Alpha Chain Y449 antibody. I was wondering if it would be possible to conjugate this antibody with biotin. I would need it to be without BSA or sodium azide. I am planning on using a buffer exchange of sodium azide with PBS only. Would there be problems for me to conjugate the antibody and store it in -20 degrees in small aliquots?

Verified Customer

Verified customer

Asked: 2019-10-08

Answer

We do not advise storing this antibody with PBS buffer only in -20 degrees. If you want to store it in -20 degrees it is best to add some cryoprotectant like glycerol. If you want carrier free P02222 anti-Phospho-IL-7 Receptor Alpha Chain Y449 antibody, we can provide it to you in a special formula with trehalose and/or glycerol. These molecules will not interfere with conjugation chemistry and provide a good level of protection for the antibody from degradation. Please be sure to specify this in your purchase order.

Boster Scientific Support

Answered: 2019-10-08

Question

Will anti-Phospho-IL-7 Receptor Alpha Chain Y449 antibody P02222 work on monkey WB with testis?

Verified Customer

Verified customer

Asked: 2017-11-13

Answer

Our lab technicians have not validated anti-Phospho-IL-7 Receptor Alpha Chain Y449 antibody P02222 on monkey. You can run a BLAST between monkey and the immunogen sequence of anti-Phospho-IL-7 Receptor Alpha Chain Y449 antibody P02222 to see if they may cross-react. If the sequence homology is close, then you can perform a pilot test. Keep in mind that since we have not validated monkey samples, this use of the antibody is not covered by our guarantee. However we have an innovator award program that if you test this antibody and show it works in monkey testis in WB, you can get your next antibody for free.

Boster Scientific Support

Answered: 2017-11-13

Question

Would anti-Phospho-IL-7 Receptor Alpha Chain Y449 antibody P02222 work for WB with b-cell?

Verified Customer

Verified customer

Asked: 2017-07-20

Answer

According to the expression profile of b-cell, IL7R is highly expressed in b-cell. So, it is likely that anti-Phospho-IL-7 Receptor Alpha Chain Y449 antibody P02222 will work for WB with b-cell.

Boster Scientific Support

Answered: 2017-07-20

Question

Does P02222 anti-Phospho-IL-7 Receptor Alpha Chain Y449 antibody work on parafin embedded sections? If so, which fixation method do you recommend we use (PFA, paraformaldehyde, other)?

S. Moore

Verified customer

Asked: 2016-02-17

Answer

You can see on the product datasheet, P02222 anti-Phospho-IL-7 Receptor Alpha Chain Y449 antibody as been tested on WB. It is best to use PFA for fixation because it has better tissue penetration ability. PFA needs to be prepared fresh before use. Long term stored PFA turns into formalin, as the PFA molecules congregate and become formalin.

Boster Scientific Support

Answered: 2016-02-17

Order DetailsPrice
P02222-P02222

100 μg

$641

Free Secondary Antibody

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P02222
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*Sample sizes are prepared on demand and will take extra lead time. (cannot be conjugated)
$641.00

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Boster Guarantee

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We promise all of our products perform as described in datasheets.

This product is for Research Use Only. Not for use in diagnostic procedures.

Update date: Apr 28, 2026