Sự miêu tả
Interleukin-31 (IL-31) is a cytokine with a molecular weight of 15.65 kDa, consisting of 141 amino acid residues. Primarily secreted by Th2 cells, IL-31 binds to a receptor known as IL-31RA. Upon binding to IL-31RA, it activates multiple signaling pathways, including the MAPK, PI3K/AKT, and JAK/STAT pathways. It plays a crucial role in regulating various biological functions, such as cell proliferation, hematopoiesis, cytokine induction, inflammation, and immune responses. Additionally, it responds to antigens by promoting cell-mediated immunity.
Specifications
|
Cat.No. |
90296ES08 / 90296ES20 / 90296ES60 / 90296ES76 |
|
Size |
5 μg / 20 μg / 100 μg / 500 μg |
Components
|
Name |
90296ES08 |
90296ES20 |
90296ES60 |
90296ES76 |
|
HiActi™ Recombinant Mouse IL-31 Protein, His Tag |
5 μg |
20 μg |
100 μg |
500 μg |
Performance parameters
|
Synonyms |
interleukin 31, IL31 |
|
Species |
Mouse |
|
Expression Sequence |
MSHTLPVRLLRPSDDVQKIVEELQSLSKMLLKDVEEEKGVLVSQNYTLPCLSPDAQPPNNIHSPAIRAYLKTIRQLDNKSVIDEIIEHLDKLIFQDAPETNISVPTDTHECKRFILTISQQFSECMDLALKSLTSGAQQATT with polyhistidine tag at the C-terminus. |
|
Accession |
Q6EBC2 |
|
Tag |
C-His |
|
Expression System |
E.coli |
|
Molecular Weight |
The protein has a calculated MW of 16.78 kDa. The protein migrates as 18 kDa under reducing condition |
|
Purity |
>98% as determined by SDS-PAGE. |
|
Endotoxin |
<0.1 EU per 1 μg of the protein by the LAL method. |
|
Formulation |
The protein was lyophilized from a 0.2 µm filtered solution containing 1X PBS, pH 8.0. |
|
Appearance |
Lyophilized Powder |
|
Biological activity |
Measured by its ability to induce A549 cells proliferation. The ED₅₀ for this effect is < 40 ng/mL |
|
Reconstitution Instructions |
Briefly centrifuge the vial at 3000 rpm for 5 minutes before opening. It is recommended to reconstitute the lyophilized powder with sterile water to a concentration of no less than 100 μg/mL, and let it stand for at least 20 minutes to ensure complete dissolution. The reconstituted solution can be further diluted and aliquoted. When performing further dilution and aliquoting, a carrier protein (0.1% BSA, 10% FBS, or 5% HSA) must be added. For serum-free experimental requirements, a 5% trehalose solution can be used as an alternative carrier. |
Storage
Store at -25 to -15°C. Valid for 1 year from receipt. After reconstitution, store at 2 to 8°C for up to 7 days, or at -85 to -65°C for up to 3 months. To avoid repeated freeze-thaw cycles, we recommend aliquoting the protein upon first use.
Notes
1. This product is for research use only.
2. Please operate with lab coats and disposable gloves,for your safety.
Documents:
Safety Data Sheet
Manuals:
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