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ActoFactor™ Recombinant Human Interferon regulatory factor 3

  • Specification
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Cat.No.
CSC-CTK0189
Description
Members of the Interferon regulatory factor (IRF) family regulate gene expression critical to immune response, hemopoiesis, and proliferation. IRF-3 is a member of the IRF family, and is distinct from other family members. Its transcriptional activity is regulated solely by posttranslational modifications. It plays a crucial role in activation of innate immunity and inflammation in response to viral infection. IRF-3 mediates interferon-stimulated response element (isre) promoter activation. Functions as a molecular switch for antiviral activity. DsRNA generated during the course of an viral infection leads to IRF3 phosphorylation on the c-terminal serine/threonine cluster. This induces a conformational change, leading to its dimerization, nuclear localization and association with creb binding protein (crebbp) to form dsrna-activated factor 1 (draf1), a complex which activates the transcription of genes under the control of ISRE. The complex binds to the ie and prdiii regions on the IFN-alpha and IFN-beta promoters respectively. IRF-3 does not have any transcription activation domains. Human recombinant IRF-3 produced in E. coli is a single, non-glycosylated, polypeptide chain containing 111 amino acids (1-112) and having a molecular mass of 13 kDa.
Species
Human
Product Overview
Human IRF3 expressed in E.coli
Molecular Mass
13 kDa
Size
CAT# CSC-CTK0189-20 (20 μg); CAT# CSC-CTK0189-100 (100 μg)
Expression System
E.coli
Purity
Greater than 95% as determined by SDS-PAGE and RP-HPLC analysis.
Activity
N/A
Endotoxin Level
N/A
Formulation
Sterile-filtered, colorless protein solution in 1X PBS (pH 7.4).
Reconstitution
Please centrifuge product briefly before opening vial. The dissolved protein can be diluted into other aqueous buffers and stored at -20°C for future use.
Storage & Stability
Store at 4°C if entire vial will be used within 1 week. Store frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA). Avoid multiple 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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