Functional Studies (Func), Antibody Production (AbP), Standard (STD), Protein Interaction (PI)
Specificité
Optimal preservation of protein structure, post-translational modifications and functions.
Attributs du produit
Recombinant human Interleukin-12 alpha / IL12A (transcript variant 2) protein expressed in CHO cells.
Produced with end-sequenced ORF clone
Tested for bioactivity.
Pureté
> 95 % as determined by SDS-PAGE and Coomassie blue staining
niveau d'endotoxine
Endotoxin level is <0.1 ng/μg of protein (<1EU/μg).
Biological Activity Comment
Assay #1: ED50 was determined by the stimulation of IFN-gamma production by murine splenocytes co-stimulated with IL-18 is > 0.1 ng/ml, corresponding to a specific activity of > 1 x 10^7 units/mg. Assay #2: Determined by its ability to stimulate the proliferation of 2D6 cells. The expected ED50 is
Recombinant human proteins can be used for: Native antigens for optimized antibody production Positive controls in ELISA and other antibody assays Protein-protein interaction In vitro biochemical assays and cell-based functional assays
Restrictions
For Research Use only
Buffer
Lyophilized from a 0.2 μM filtered solution of 20 mM phosphate buffer,100 mM NaCl, pH 7.2
Conseil sur la manipulation
Resuspend the protein in the desired concentration in proper buffer
Stock
-80 °C
Stockage commentaire
Store at -80°C. Thaw on ice, aliquot to individual single-use tubes, and then re-freeze immediately. Only 2-3 freeze thaw cycles are recommended.