Human Interferon Omega-1 / Ifnω / IFNW1 Protein (Fc Tag)

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Human Interferon Omega-1 / Ifnω / IFNW1 Protein (Fc Tag) Human Interferon omega-1 / IFNω / IFNW1 Protein (Fc Tag) Catalog Number: 10353-H01H General Information SDS-PAGE: Gene Name Synonym: IFN-omega 1; IFNW1; interferon omega-1 Protein Construction: A DNA sequence encoding the human IFNω (NP_002168.1) (Cys 24-Ser 195) was fused with the Fc region of human IgG1 at the N-terminus. Source: Human Expression Host: HEK293 Cells QC Testing Purity: > 92 % as determined by SDS-PAGE Bio Activity: Protein Description Measured in antiviral assays using WISH human amnion cells infected with vesicular stomatitis virus (VSV). The EC50 for this effect is 0.03-0.3 IFNs are a large family of proteins having antiviral, antiproliferative, and ng/mL. immunomodulatory effects, and are divided into two major classes, type I and type II, on the basis of differences in receptor binding and nucleotide Endotoxin: 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 II IFN and is specific for the < 1.0 EU per μg of the protein as determined by the LAL method type II 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- Stability: ω and IFN-α are produced by virally induced leukocytes and have similar Samples are stable for up to twelve months from date of receipt at -70 ℃ 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. Predicted N terminal: Glu 20 In addition, it was reported that IFN-ω could inhibit the growth of human tumors in vivo. Molecular Mass: References The recombinant human IFNω/Fc chimera is a disulfide-linked homodimer. The reduced monomer comprises 409 amino acids with a predicted molecular 1.Capon D.J., et al.,(1985), Two distinct families of human and bovine mass of 46.6 kDa. As a result of glycosylation, rh IFNω/Fc monomer migrates interferon-alpha genes are coordinately expressed and encode functional as an approximately 50 kDa band in SDS-PAGE under reducing conditions. polypeptides. Mol. Cell. Biol. 5:768-779. 2.Adolf G.R., et al., (1991), Human interferon omega 1: isolation of the gene, expression in Chinese hamster Formulation: ovary cells and characterization of the recombinant protein.Biochim. Biophys. Acta 1089:167-174. 3.Humphray S.J., et al.,(2004), DNA Lyophilized from sterile PBS, pH 7.4 sequence and analysis of human chromosome 9.Nature 429:369-374. Normally 5 % - 8 % trehalose, mannitol and 0.01% Tween80 are added as protectants before lyophilization. Specific concentrations are included in the hardcopy of COA. Please contact us for any concerns or special requirements. Usage Guide Storage: Store it under sterile conditions at -20℃ to -80℃ upon receiving. Recommend to aliquot the protein into smaller quantities for optimal storage. Avoid repeated freeze-thaw cycles. Reconstitution: Detailed reconstitution instructions are sent along with the products. Manufactured By Sino Biological Inc., FOR RESEARCH USE ONLY. NOT FOR USE IN HUMANS. For US Customer: Fax: 267-657-0217 Tel:215-583-7898 Global Customer: Fax :+86-10-5862-8288 Tel:+86-400-890-9989 http://www.sinobiological.com.
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