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ActoFactor™ Recombinant Human Interferon, lambda 3

  • Specification
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Cat.No.
CSC-CTK0196
Description
IL-28B is a cytokine remotely related to type I interferons and the IL-10 family. Interleukin-28B, Interleukin 28A (IL-28A), and Interleukin 29 (IL-29) are 3 closely related cytokine genes which form a cytokine gene cluster on a chromosomal region mapped to 19q13. Expression of the cytokines encoded by these 3 genes can be induced by viral infection. All 3 cytokines interact with a heterodimeric class II cytokine receptor which consists of interleukin 10 receptor, beta (IL10RB) and interleukin 28 receptor, alpha (IL-28RA). Recombinant human Interleukin-28B produced in HEK cells is a non-glycosylated monomer, having a total molecular weight of 24 kDa. It has been purified by proprietary chromatographic techniques.
Organism
Human
Product Overview
Human IFNL3 expressed in HEK cells
Molecular Mass
24 kDa
Size
CAT# CSC-CTK0196-10 (10 μg); CAT# CSC-CTK0196-50 (50 μg)
Expression System
HEK cells
Purity
Greater than 95% as determined by SDS-PAGE analysis.
Activity
rHu IFN-lambda 3 is fully biologically active when compared to a standard. The specific activity was determined by the dose-dependent protection of the cytopathic effect on A549 cells (human lung adenocarcinoma epithelial cell line) that were challenged with encephalomyocarditis (EMC) virus and is typically 0.1-1 ng/ml.
Endotoxin Level
Less than 1 EU/μg.
Formulation
Sterile-filtered, white, lyophilized (freeze-dried) powder. Lyophilized from a concentrated protein solution (1 mg/ml) in 1xPBS.
Reconstitution
Please centrifuge product briefly before opening vial. The lyophilized protein should be reconstituted in sterile, ultra-pure water to a concentration of 0.1-1.0 mg/ml. This solution can then be diluted into other aqueous buffers and stored at -20°C for future use.
Storage & Stability
The lyophilized protein, though stable at room temperature for up to 3 weeks, is best stored desiccated at -20°C. Reconstituted protein should be used immediately or stored long-term in undiluted working aliquots at -20°C. For long term storage, it is recommended to add a carrier protein (0.1% HSA or BSA). Avoid repeated freeze/thaw cycles.
Citation Guidance
If you use this products in your scientific publication, it should be cited in the publication as: Creative Bioarray cat no. If your paper has been published, please click here to submit the Pub Med ID of your paper to get a coupon.
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