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Product Info Summary
| SKU: | PROTQ14116-3 |
|---|---|
| Size: | 100ug,1mg |
| Origin Species: | Human |
| Source: | Escherichia coli |
| Application: | Cell Culture, ELISA |
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Product info
Product Name
Human recombinant IL-18 protein, GMP
View all IL-18/IL-1F4 recombinant proteins
SKU/Catalog Number
PROTQ14116-3
Size
100ug,1mg
Tag
Tag Free
Description
Interleukin-18 (IL-18) belongs to the IL-1 superfamily and is constitutively produced by macrophages, dendritic cells (DCs) and other cells. IL-18 binds to the receptor of IL-18 (IL-18R) and initiate the recruitment and heterodimerization of the IL-18RAcP, leading to downstream activation of NF-κB. After stimulation with IL-18, multiple cytokines including IFN-γ, IL-13, IL-4, IL-8, and GM-CSF and both Th1 and Th2 lymphokines could be produced by different cells. As an immunoregulaory cytokine, IL-18 can promote development of T helper 1 (Th1) cells, which maximizes the production of IFN by synergistically stimulating to mature Th1 effectors in combination with IL-12. On the contrary, it inhibits the production of the anti-inflammatory cytokine IL-10. In addition, IL-18 exhibits multiple proinflammatory functions, such as increases in cell adhesion molecules, nitric oxide synthesis, and chemokine production.
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-18 protein, GMP (Boster Biological Technology, Pleasanton CA, USA, Catalog # PROTQ14116-3)
Form
Lyophilized
Formulation
Lyophilized from a 0.2 μm filtered solution of PBS, pH 7.4.
Purity
>97% as determined by SDS-PAGE analysis.
Predicted MW
22.326kDa
Molecular weight
The protein has a calculated MW of 18.2 kDa. The protein migrates as 15 kDa under reducing condition (SDS-PAGE analysis).
Activity
Measure by its ability to induce IFN gamma secretion in KG-1 cells. The ED₅₀ for this effect is <6 ng/mL.
Endotoxin
<0.05 EU per 1 μg of the protein by the LAL method.
Amino Acid Sequence
YFGKLESKLSVIRNLNDQVLFIDQGNRPLFEDMTDSDCRDNAPRTIFIISMYKDSQPRGMAVTISVKCEKISTLSCENKIISFKEMNPPDNIKDTKSDIIFFQRSVPGHDNKMQFESSSYEGYFLACEKERDLFKLILKKEDELGDRSIMFTVQNED
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 0.5 mg/mL and incubate the stock solution at RT for at least 20 min to ensure sufficient re-dissolved.
Assay dilution & Images
Validation Images & Assay Conditions
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SDS- PAGE analysis of GMP human IL-18
Protein Target Info & Infographic
Gene/Protein Information For IL18 (Source: Uniprot.org, NCBI)
Gene Name
IL18
Full Name
Interleukin-18
Weight
22.326kDa
Superfamily
IL-1 family
Alternative Names
IGIF, IL-1g, IL1F4 IL18 IGIF, IL-18, IL-1g, IL1F4 interleukin 18 interleukin-18|IFN-gamma-inducing factor|IL-1 gamma|iboctadekin|interleukin 18 (interferon-gamma-inducing factor)|interleukin-1 gamma
*If product is indicated to react with multiple species, protein information is based on the gene entry specified above in "Species".For more info on IL18, check out the IL18 Infographic
We have 30,000+ of these available, one for each gene! Check them out.
In this infographic, you will see the following information for IL18: database IDs, superfamily, protein function, synonyms, molecular weight, chromosomal locations, tissues of expression, subcellular locations, post-translational modifications, and related diseases, research areas & pathways. If you want to see more information included, or would like to contribute to it and be acknowledged, please contact us at [email protected].
Specific Publications For Human recombinant IL-18 protein, GMP (PROTQ14116-3)
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