DESCRIPTION

• Tag: Native
• Purity: ≥ 95 % as determined by SDS-PAGE. ≥ 95 % as determined by SEC-HPLC.
• Source: E. coli
• Species: Human
• Storage: Samples are stable for up to twelve months from date of receipt at -20℃ to -80℃. Store it under sterile conditions at -20℃ to -80℃. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
• Activity: 1.Measured in a cell proliferation assay using TF-1 human erythroleukemic cells. The ED50 for this effect is 0.05-0.25 ng/mL. 2.Western blot analysis of extracts from serum-starved Hela, untreated (-) or treated with IL4 (Cat# 11846-HNAE) (100 ng/mL, 15min; +), using Phospho-Stat6 (Tyr641) Antibody, Rabbit MAb at 1:10000 dilution (upper) or Anti-STAT6 Antibody, Rabbit PAb (Cat# 201061-T36) at 1:1000 dilution (lower) (Routinely tested).
• Category: Proteins
• Molecule: IL4
• Endotoxin: < 5 EU per mg of the protein.
• Lead Time: 1-3 days
• Formulation: Lyophilized from sterile PBS, pH 7.4.
• Molecular Mass: The recombinant human IL4 consisting of 130 amino acids and migrates with an apparent molecular mass of 15.1 kDa as predicted.
• Reconstitution: A hardcopy of datasheet with reconstitution instructions is sent along with the products. Please refer to it for detailed information.
• Accession Number: P05112-1
• Predicted N Terminal: Met