Recombinant Mouse IFN-gamma Protein Best Seller

R&D Systems, part of Bio-Techne | Catalog # 485-MI

R&D Systems, part of Bio-Techne
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Carrier Free
485-MI-100/CF
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With Carrier
485-MI-100
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Key Product Details

Source

E. coli

Accession #

NP_032363

Conjugate

Unconjugated

Applications

Bioactivity

View all IFN-gamma Proteins and Enzymes »

Product Specifications

Source

E. coli-derived mouse IFN-gamma protein
His23-Cys155, with an N-terminal Met

Purity

>97%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.

Endotoxin Level

<0.10 EU per 1 μg of the protein by the LAL method.

N-terminal Sequence Analysis

Met

Predicted Molecular Mass

15.6 kDa

SDS-PAGE

11-12 kDa, reducing conditions

Activity

Measured in an anti-viral assay using L-929 mouse fibroblast cells infected with encephalomyocarditis (EMC) virus. Vogel, S.N. et al. (1982) Infect. Immunol. 38:681.
The ED50 for this effect is 0.3-0.9 ng/mL.

Reviewed Applications

Read 13 reviews rated 4.5 using 485-MI in the following applications:

Scientific Data Images for Recombinant Mouse IFN-gamma Protein

Recombinant Mouse IFN-gamma Protein Bioactivity

Recombinant Mouse IFN-gamma Protein Bioactivity

Recombinant Mouse IFN-gamma (Catalog # 485-ML) demonstrates anti-viral activity in L-929 mouse fibroblast cells infected with encephalomyocarditis (EMC) virus. The ED50 for this effect is 0.3-0.9 ng/mL.
Recombinant Mouse IFN-gamma Protein SDS-PAGE

Recombinant Mouse IFN-gamma Protein SDS-PAGE

1 μg/lane of Recombinant Mouse IFN-gamma was resolved with SDS-PAGE under reducing (R) conditions and visualized by silver staining, showing a single band at 11-12 kDa.

Formulation, Preparation and Storage

Carrier Free
What does CF mean?

CF stands for Carrier Free (CF). We typically add Bovine Serum Albumin (BSA) as a carrier protein to our recombinant proteins. Adding a carrier protein enhances protein stability, increases shelf-life, and allows the recombinant protein to be stored at a more dilute concentration. The carrier free version does not contain BSA.

What formulation is right for me?

In general, we advise purchasing the recombinant protein with BSA for use in cell or tissue culture, or as an ELISA standard. In contrast, the carrier free protein is recommended for applications, in which the presence of BSA could interfere.

Carrier: 485-MI
Formulation Lyophilized from a 0.2 μm filtered solution in Sodium Succinate, Mannitol,Tween® 80 and TCEP with BSA as a carrier protein.
Reconstitution Reconstitute at 100 μg/mL in sterile PBS containing at least 0.1% human or bovine serum albumin.
Shipping The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.
Carrier Free: 485-MI/CF
Formulation Lyophilized from a 0.2 μm filtered solution in Sodium Succinate, Mannitol,Tween® 80 and TCEP with Trehalose.
Reconstitution Reconstitute at 100 μg/mL in sterile PBS.
Shipping The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.

Background: IFN-gamma

Interferon-gamma (IFN-gamma), also known as type II or immune interferon, exerts a wide range of immunoregulatory activities and is considered to be the prototype proinflammatory cytokine (1, 2). Mature mouse IFN-gamma exists as a noncovalently linked homodimer of 20-25 kDa variably glycosylated subunits (3). It shares 86% amino acid sequence identity with rat IFN-gamma and 38%-44% with bovine, canine, cotton rat, equine, feline, human, porcine, and rhesus IFN-gamma. IFN-gamma dimers bind to IFN‑ gamma RI (alpha subunits) which then interact with IFN-gamma RII (beta subunits) to form the functional receptor complex of two alpha and two beta subunits. Inclusion of IFN-gamma RII increases the binding affinity for ligand and the efficiency of signal transduction (4, 5). IFN-gamma is produced by a variety of immune cells under inflammatory conditions, notably by T cells and NK cells (6). It plays a key role in host defense by promoting the development and activation of Th1 cells, chemoattraction and activation of monocytes and macrophages, up-regulation of antigen presentation molecules, and immunoglobulin class switching in B cells. It also exhibits antiviral, antiproliferative, and apoptotic effects (6, 7). In addition, IFN-gamma functions as an anti-inflammatory mediator by promoting the development of regulatory T cells and inhibiting Th17 cell differentiation (8, 9). The pleiotropic effects of IFN-gamma contribute to the development of multiple aspects of atherosclerosis (7).

References

  1. Billiau, A. and P. Matthys (2009) Cytokine Growth Factor Rev. 20:97.
  2. Pestka, S. et al. (2004) Immunol. Rev. 202:8.
  3. Gray, P.W. and D.V. Goeddel (1983) Proc. Natl. Acad. Sci. 80:5842.
  4. Marsters, S.A. et al. (1995) Proc. Natl. Acad. Sci. 92:5401.
  5. Krause, C.D. et al. (2000) J. Biol. Chem. 275:22995.
  6. Schroder, K. et al. (2004) J. Leukoc. Biol. 75:163.
  7. McLaren, J.E. and D.P. Ramji (2009) Cytokine Growth Factor Rev. 20:125.
  8. Muhl, H. and J. Pfeilschifter (2003) Int. Immunopharmacol. 3:1247.
  9. Kelchtermans, H. et al. (2008) Trends Immunol. 29:479.

Long Name

Interferon gamma

Alternate Names

IFG, IFI, IFNG, IFNgamma

Entrez Gene IDs

3458 (Human); 15978 (Mouse); 25712 (Rat); 396991 (Porcine); 281237 (Bovine); 403801 (Canine); 493965 (Feline)

Gene Symbol

IFNG

UniProt

NP_032363

Additional IFN-gamma Products

Product Documents for Recombinant Mouse IFN-gamma Protein

Product Datasheets

Certificate of Analysis

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Note: Certificate of Analysis not available for kit components.

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Product Specific Notices for Recombinant Mouse IFN-gamma Protein

For research use only

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