This Recombinant Human Interleukin-4 (IL4) (Active) spans the amino acid sequence from region 25-153aa. Purity: Greater than 90% as determined by SDS-PAGE.
Biological Origin: Homo sapiens (Human). Biological Activity: The ED50 as determined by the dose-dependent stimulation of the proliferation of TF-1 cells is 1.864-4.949 ng/mL. Application Notes: We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20°C/-80°C. Our default final concentration of glycerol is 50%. Customers could use it as reference
(Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.
The ED50 as determined by the dose-dependent stimulation of the proliferation of TF-1 cells is 1.864-4.949 ng/mL.
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