Recombinant Porcine Interleukin-1 Receptor Antagonist Protein (Porcine IL-1RA)
产品名称： Recombinant Porcine Interleukin-1 Receptor Antagonist Protein (Porcine IL-1RA)
英文名称： Recombinant Porcine Interleukin-1 Receptor Antagonist Protein (Porcine IL-1RA)
产品编号： 90182ES08
产品价格： 0
产品产地： Yeasen
品牌商标： Yeasen
更新时间： 2024-12-10T11:28:44
使用范围： null
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Product Information
Product Name
Cat#
Size
Price（¥）
Recombinant Porcine Interleukin-1 Receptor Antagonist Protein (Porcine IL-1RA)
90182ES08
5 μg
815
90182ES60
100 μg
5,645
90182ES76
500 μg
14,865
Product Description
IL-1ra was originally isolated from the urine of patients with monocytic leukemia and has also been purified from adherent monocytes. The naturally-occurring, fully glycosylated form has an apparent molecular weight of about 25,000 Daltons. The protein shows 26% amino acid homology to IL-1 beta and 19% homology to IL-1 alpha. It will compete with either factor for receptor binding, but does not interact with either one. Human IL-1ra will bind to both types of IL-1 receptors (I and II) on human cells, but reportedly will not block binding to the type II receptor on murine pre-B cell lines. The recombinant, non-glycosylated form of IL-ra blocks binding of IL-1 to its receptor equally as well as the naturally-occurring, glycosylated form. The IL-1ra has been shown to block the inflammatory responses induced by IL-1 both in vitro and in vivo. Human, mouse and rat IL-1ra all share approximately 80% homology with porcine IL-1ra.
Product Properties
Synonyms
DIRA; ICIL-1ra; IL1F3
Accession
Q29056
GeneID
397499
Source
E.coli-derived Porcine IL-1RA, His26-Gln177.
Molecular Weight
Approximately 17.1 kDa.
AA Sequence
HPLGKRPCRM QAFRIWDVNQ KTFYLRNNQL VAGYLQGPNT KLEEKIDVVP VEPHFVFLGI HGGKLCLSCV KSGDEMKLQL DAVNITDLRK NSEQDKRFTF IRSDSGPTTS FESAACPGWF LCTALEADQP VGLTNTPKAA VKVTKFYFQQ DQ
Tag
None
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Purity
> 97% by SDS-PAGE and HPLC analyses.
Biological Activity
The ED50 as determined by inhibiting IL-1α-dependent proliferation of murine D10S cells is less than 50 ng/mL, corresponding to a specific activity of > 2.0 × 104 IU/mg in the presence of 75 pg/mL rPoIL-1α. Fully biologically active when compared to standard.
Endotoxin
< 0.1 EU per 1μg of the protein by the LAL method.
Formulation
Lyophilized from a 0.2 µm filtered concentrated solution in 1 × PBS, pH 7.4, 1 mM DTT.
Reconstitution
We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute in sterile distilled water or aqueous buffer containing 0.1% BSA to a concentration of 0.1-1.0 mg/mL. Stock solutions should be apportioned into working aliquots and stored at ≤ -20°C. Further dilutions should be made in appropriate buffered solutions.
Shipping and Storage
The products are shipped with ice pack and can be stored at -20℃ to -80℃ for 1 year.
Recommend to aliquot the protein into smaller quantities when first used and avoid repeated freeze-thaw cycles.
Cautions
1. Avoid repeated freeze-thaw cycles.
2. For your safety and health, please wear lab coats and disposable gloves for operation.
3. For research use only!
HB220425