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Description
Research Area
,Cancer,Chemokines & Cytokines,Growth Factors,Immunology,Innate Immunity,Signal Transduction
Images & Validation
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| Application Notes |
|---|
Key Properties
−| Source | E. coli |
|---|---|
| Biological Activity | ED50 is less than 2 ng/ml as determined by the dose-dependent stimulation of TF-1 cells.Specific Activity of 5.0 x 106 IU/mg. |
| Target | IL4 |
| Tag | Tag Free |
| MW | 15.1 kD |
| Purity | Greater than 95% as determined by reducing SDS-PAGE.Endotoxin level less than 0.1 ng/ug (1 IEU/ug) as determined by LAL test. |
| Protein Sequence | His25-Ser153 |
Storage & Handling
−| Storage | Lyophilized protein should be stored at -20˚°C, though stable at room temperature for 3 weeks.Reconstituted protein solution can be stored at 4-7˚°C for 2-7 days.Aliquots of reconstituted samples are stable at -20˚°C for 3 months. |
|---|---|
| Form/Appearance | Lyophilized |
| Buffer/Preservatives | Lyophilized from a 0.2 um filtered solution of 20mM PB, 150mM NaCl, pH 7.4. It is not recommended to reconstitute to a concentration less than 100 ug/ml. Dissolve the lyophilized protein in ddH2O. |
| Expiration Date | 6 months from date of receipt. |
| Disclaimer | For research use only |
Alternative Names
−Interleukin-4, IL-4, B-Cell Stimulatory Factor 1, BSF-1, Binetrakin, Lymphocyte Stimulatory Factor 1, Pitrakinra, IL4
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Protocol Information
Protein Handling and Storage Guide
Protein Handling Guide
IL-4 Recombinant Protein (orb1229822)
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