The activity is assessed in "IU" using an inhibition assay, with the result corresponding to a specific activity in international units per milligram (IU/mg).
407320
γ-Interferon, Mouse, Recombinant, E. coli
Synonym(s):
Interferon γ precursor, IFN-γ, rmIFN-γ
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About This Item
UNSPSC Code:
12352202
NACRES:
NA.77
Pricing and availability is not currently available.
Recommended Products
Assay
≥95% (RP-HPLC, FPLC, and SDS-PAGE)
Quality Level
form
lyophilized
manufacturer/tradename
Calbiochem®
storage condition
OK to freeze
desiccated
shipped in
wet ice
storage temp.
−20°C
General description
Recombinant, mouse γ-interferon (γ-IFN) expressed in E. coli as a single, non-glycosylated polypeptide containing 134 amino acids. Purified by chromatographic methods. IFN-γ is a type II cytokine produced by activated T cells and natural killer cells. It plays a significant role immunoregulation and has been implicated in the induction of the expression of class II histocompatibility molecules in cells that do not normally express them, resulting in autoimmune disease.
Recombinant, mouse γ-interferon (γ-IFN) expressed in E. coli as a single, non-glycosylated polypeptide containing 134 amino acids. Purified by chromatographic methods. IFN-γ is a type II cytokine produced by activated T cells and natural killer cells. It plays a significant role immunoregulation and has been implicated in the induction of the expression of class II histocompatibility molecules in cells that do not normally express them, resulting in autoimmune disease.
Biochem/physiol Actions
Reported as IU/mg on a lot-specific basis using a cytopathic effect inhibition assay.
Warning
Toxicity: Standard Handling (A)
Physical form
Lyophilized from 0.5X PBS, pH 7.2.
Reconstitution
Following reconstitution, refrigerate (4°C) for short-term storage or aliquot and freeze (-20°C) for long-term storage. Stock solutions are stable for 2-7 days at 4°C or for up to 4 months at -20°C. Avoid freeze/thaw cycles of solutions.
Reconstitute with sterile water to ≥100 µg/ml, containing 0.1% HSA or BSA. Further dilute with aqueous buffers just prior to use.
Other Notes
Alvarado, J., et al. 2005. Immunol. Lett.99, 109.
Di Rosa, M., et al. 2005. Clin. Chem. Lab. Med.43, 499.
Malaguarnera, L., et al. 2005. J. Clin. Lab. Anal.19, 128.
Di Rosa, M., et al. 2005. Clin. Chem. Lab. Med.43, 499.
Malaguarnera, L., et al. 2005. J. Clin. Lab. Anal.19, 128.
Legal Information
CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany
Storage Class Code
11 - Combustible Solids
WGK
WGK 2
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
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Johnathan Ho et al.
PLoS biology, 14(10), e2000117-e2000117 (2016-10-26)
STAT2 is the quintessential transcription factor for type 1 interferons (IFNs), where it functions as a heterodimer with STAT1. However, the human and murine STAT2-deficient phenotypes suggest important additional and currently unidentified type 1 IFN-independent activities. Here, we show that
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How can product 407320-20UG be measured in IU for a dose concentration of 100 IU/mL for an experiment, considering that the label specifies a specific activity of 10 million U/mg P? Is there any interchangeability between these units and the ones I require?
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