ED50: <5 ng/ml, as determined by its ability to activate STAT following receptor ligand interaction and found to be <5 ng/ml, corresponding to a specific activity of 200,000 units.
Purity
>95% as determined by SEC-HPLC and SDS-PAGE.
Product Form
Lyophilized
Concentration
1 mg/ml
Formulation
Lyophilized from 20 mM Phosphate Buffered Saline, pH 7.4, with 150 mM Sodium Chloride.
Storage
Shipped at ambient temperature. Lyophilized: Short term (3 weeks) store at 25°C. Long term store desiccated below -18°C. Reconstituted: Short term (2-7 days) store at 4°C. Long term store below -18°C. Avoid freeze/thaw cycles.
Synonyms
IL31, Interleukin-31
Disclaimer
This product is for research use only. It is not intended for diagnostic or therapeutic use.
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