Recombinant Mouse IL-4
Product Specifications
Product Name Alternative
Interleukin-4; B-cell IgG differentiation factor; B-cell growth factor 1; B-cell stimulatory factor 1; IGG1 induction factor; Lymphocyte stimulatory factor 1; IL-4; BSF-1
Accession Number
P07750
Endotoxin
< 1 EU/µg as determined by LAL test.
Purity
Greater than 95% as determined by reducing SDS-PAGE. (QC verified)
Bioactivity
Measured in a cell proliferation assay using M-NFS-60 mouse lymphoblast cells. The ED50 for this effect is 0.01 ng/ml. (Regularly tested)
Reconstitution
Always centrifuge tubes before opening.Do not mix by vortex or pipetting. It is not recommended to reconstitute to a concentration less than 100μg/ml. Dissolve the lyophilized protein in distilled water. Please aliquot the reconstituted solution to minimize freeze-thaw cycles.
Molecular Weight
Mol Mass:13.4 KDa; APMol Mass:14 KDa, reducing conditions
Shipping Conditions
The product is shipped at ambient temperature.Upon receipt, store it immediately at the temperature listed below.
Storage Conditions
Lyophilized protein should be stored at ≤ -20°C, stable for one year after receipt. Reconstituted protein solution can be stored at 2-8°C for 2-7 days. Aliquots of reconstituted samples are stable at ≤ -20°C for 3 months.
Formulation
Lyophilized from a 0.2 μm filtered solution of 20mM PB,5% Sucrose,4% Mannitol,0.1% PS-80, pH 6.5.
Available Sizes
Frequently Asked Questions
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