Recombinant Human IL-4 (C-6His)
Product Specifications
Product Name Alternative
Interleukin-4; IL-4; B-Cell Stimulatory Factor 1; BSF-1; Binetrakin; Lymphocyte Stimulatory Factor 1; Pitrakinra; IL4
Accession Number
P05112
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 TF‑1 human erythroleukemic cells.The ED50 for this effect is 0.05-0.5 ng/ml. (QC verified)
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:16 KDa; APMol Mass:17-22&15 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 PBS, pH 7.4.
Available Sizes
Frequently Asked Questions
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