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Human IFN omega 1 / IFNW1 Protein (His Tag)

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Human IFNω/IFNW1 Protein Product Information
Protein Construction:A DNA sequence encoding the human IFNW1 (P05000) (Met1-Ser195) was expressed with a polyhistidine tag at the C-terminus.
Expressed Host:Human Cells
Shipping:In general, recombinant proteins are provided as lyophilized powder which are shipped at ambient temperature.
Bulk packages of recombinant proteins are provided as frozen liquid. They are shipped out with blue ice unless customers require otherwise.
Human IFNω/IFNW1 Protein QC Testing
Purity:> 95 % as determined by SDS-PAGE
Bio-Activity:Measured in antiviral assays using WISH human amnion cells infected with vesicular stomatitis virus(VSV).
The ED50 for this effect is typically 2-8 pg/mL.
Endotoxin:< 1.0 EU per μg of the protein as determined by the LAL method
Stability:Samples are stable for up to twelve months from date of receipt at -70℃
Predicted N Terminal:Leu 22
Molecule Mass:The recombinant human IFNW1 consists of 185 amino acids and predicts a molecular mass of 21.6 KDa. It migrates as an approximately 22 KDa band in SDS-PAGE under reducing conditions.
Formulation:Lyophilized from sterile PBS, pH 7.4
1. Normally 5 % - 8 % trehalose and mannitol are added as protectants before lyophilization. Specific concentrations are included in the hardcopy of COA.
2. Please contact us for any concerns or special requirements.
Human IFNω/IFNW1 Protein Usage Guide
Storage:Store it under sterile conditions at -20℃ to -80℃. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
Reconstitution:A hardcopy of COA with reconstitution instruction is sent along with the products. Please refer to it for detailed information.
Other IFNω/IFNW1 Recombinant Protein Products
IFN omega Background

IFNs are a large family of proteins having antiviral, antiproliferative, and immunomodulatory effects, and are divided into two major classes, type I  and type I I, on the basis of differences in receptor binding and nucleotide sequence. Type I IFNs consist of IFN α, β, τ, and ω and bind to the type I  IFN receptor, whereas IFN-γ is the only type I I IFN and is specific for the type I I IFN receptor. Human IFN-ω, was identified by three independent groups in 1985 and is structurally related to IFN-α and -β. Both human IFN-ω and IFN-α are produced by virally induced leukocytes and have similar antiviral activities on human cell lines, and a sizeable proportion (at least 10%) of the total antiviral activity of leukocyte IFN is contributed by IFN-ωl. In addition, it was reported that IFN-ω could inhibit the growth of human tumors in vivo.

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Catalog: 10353-H08H-100
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