Recombinant Mouse IFNAA Protein, CF

Catalog # Availability Size / Price Qty
Recombinant Mouse IFNAA Protein Bioactivity
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Product Details

Recombinant Mouse IFNAA Protein, CF Summary

Product Specifications

>95%, 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.
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 <15 pg/mL.
Chinese Hamster Ovary cell line, CHO-derived mouse IFNAA protein
Accession #
N-terminal Sequence
Predicted Molecular Mass
19.3 kDa
16-21 kDa, under reducing conditions

Product Datasheets

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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.


Formulation Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose.
Reconstitution Reconstitute at 100 μg/mL in PBS.
Shipping The product is shipped with polar packs. 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.

Scientific Data

Bioactivity Recombinant Mouse IFNAA Protein Bioactivity View Larger

Recombinant Mouse IFNAA (Catalog # 10150-IF) suppresses viral activity on L-929 mouse fibroblast cells infected with encephalomyocarditis (EMC) virus. The ED50 for this effect is <15 pg/mL.

SDS-PAGE Recombinant Mouse IFNAA Protein SDS-PAGE View Larger

2 μg/lane of Recombinant Mouse IFNAA (Catalog # 10150-IF) was resolved with SDS-PAGE under reducing (R) and non-reducing (NR) conditions and visualized by Coomassie® Blue staining, showing bands at 16-21 kDa.

Reconstitution Calculator

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.


Background: IFNAA

Interferon-alpha A (IFNAA), also referred to as interferon-alpha 15 (IFNA15), is one of 14 subtypes within the IFN-alpha family (1). The members of the IFN-alpha family, also known as alpha leukocyte interferons, encompass a group of distinct but closely related proteins which share approximately 80% amino acid (aa) sequence identity and have a similar globular structure composed of five alpha-helices (1-3). IFN-alpha family members signal through a common set of cell surface receptor complex composed of IFNAR2 and IFNAR1 subunits (2). The mature extracellular domain (ECD) of mouse IFNAA is 167 aa and shares 93% and 92% aa sequence identity with mouse and rat, respectively. Most of the members of the murine IFN-alpha family are N-glycosylated, however IFNAA is one of 4 members that lacks a N-glycosylation site (3). IFNAA is one of the many interferon alpha subtypes belonging to the Type I leukocyte IFN family. The Type I IFN family has antiviral, anti-proliferative and natural killer cell activities.

Long Name
Interferon alpha A
Entrez Gene IDs
242517 (Mouse)
Alternate Names
Gm12597; IFNA15; IFNAA

Manufacturing Specifications

  1. Pestka, S. (2007) J Biol Chem. 282:20047.
  2. Oritani, K. et al. (2001). Cytokine & Growth Factor Reviews, 12:337.
  3. Pesch, V. et al. (2004). Journal of Virology, 78:8219.


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