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Description
Images & Validation
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| Application Notes |
|---|
Key Properties
−| Source | Pichia pastoris |
|---|---|
| Biological Activity | The biological activity is determined by measuring the dose-dependent proliferation of human TF–1 cells and CD23 expression. A concentration range of 0.1–10.0 ng/ml is effective for most in vitro applications. ED50 = 0.05–0.4ng/ml. |
| Purity | Greater than 98% as determined by SDS-PAGE. |
Storage & Handling
−| Storage | Stability: Lyophilized Interleukin-4 although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Interleukin-4 should be stored at 4°C between 2-7 days and for future use below -18°C. Please prevent freeze-thaw cycles |
|---|---|
| Form/Appearance | Sterile Filtered White lyophilized (freeze-dried) powder. |
| Buffer/Preservatives | The protein was lyophilized from 0.2µm filtered solution in 20mM sodium phosphate buffer pH 6.0 in absence of any carrier protein. |
| Expiration Date | 6 months from date of receipt. |
| Disclaimer | For research use only |
Alternative Names
−BCGF, BCDF, B cell stimulating factor, BSF-1, Lymphocyte stimulatory factor 1, IL-4, MGC79402, Binetrakin, Pitrakinra.
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Human IL 4 Protein (orb429408)
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