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Product Info Summary
| SKU: | PROTP15248-6 |
|---|---|
| Size: | 5ug,20ug,100ug |
| Origin Species: | Human |
| Source: | Escherichia coli |
| Application: | Cell Culture |
Product info
Product Name
Human recombinant IL-9 (Interleukin-9) protein, AF
View all IL9 recombinant proteins
SKU/Catalog Number
PROTP15248-6
Size
5ug,20ug,100ug
Tag
His Tag (N-term)
Description
Interleukin 9 (IL-9) is a pleiotropic cytokine that had pleiotropic functions in the immune system, has a molecular mass of 14.5 kDa. The major source of IL-9 is T lymphocytes. It is secreted by CD4+ helper cells that acts as a regulator of a variety of hematopoietic cells.
Storage & Handling
Lyophilized protein should be stored at -20°C for 1 year. Upon reconstitution, store at 2°C to 8°C for up to 1 week. Further dilute in a buffer containing a carrier protein or stabilizer (e.g. 0.1% BSA, 10%FBS, 5%HSA or 5% trehalose solution), protein aliquots should be stored at -20°C or -80°C for 3-6 months. Avoid repeated freeze/thaw cycles.
Cite This Product
Human recombinant IL-9 (Interleukin-9) protein, AF (Boster Biological Technology, Pleasanton CA, USA, Catalog # PROTP15248-6)
Form
Lyophilized
Formulation
The protein was lyophilized from a 0.2 μm filtered solution containing 1X PBS, pH 8.0. If you have any concerns or special requirements, please confirm with us.
Purity
>98% as determined by SDS-PAGE.
Predicted MW
15.9 kDa
Molecular weight
The protein has a calculated MW of 14.93 kDa. The protein migrates as 13-17 kDa under reducing condition (SDS-PAGE analysis).
Activity
Measure by its ability to induce proliferation in MO7e cells. The ED₅₀ for this effect is <0.25 ng/mL. The specific activity of recombinant human IL-9 is approximately >5 x10⁶ IU/ mg.
Endotoxin
<0.01 EU per 1 μg of the protein by the LAL method.
Amino Acid Sequence
QGCPTLAGILDINFLINKMQEDPASKCHCSANVTSCLCLGIPSDNCTRPCFSERLSQMTNTTMQTRYPLIFSRVKKSVEVLKNNKCPYFSCEQPCNQTTAGNALTFLKSLLEIFQKEKMRGMRGKI with polyhistidine tag at the N-terminus.
Reconstitution
Centrifuge at 3000 rpm for 5 mins before opening. It is recommended to reconstitute the lyophilized protein in sterile H₂O to a concentration not less than 100 μg/mL and incubate the stock solution at room temperature for at least 20 mins to ensure sufficient re-dissolved. Do Not Vortex! Vigorous shaking may impair the biological activity of the protein.
Assay dilution & Images
Validation Images & Assay Conditions
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SDS- PAGE analysis of recombinant human IL-9
Specific Publications For Human recombinant IL-9 (Interleukin-9) protein, AF (PROTP15248-6)
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