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R&D Systems™ Recombinant Human IL-4 (CHO-expressed) Protein
Measured in a cell proliferation assay using TF-1 human erythroleukemic cells. ED50 for this effect is 0.05 to 0.2 ng/mL.
$340.50 - $982.00
Specifications
| Accession Number | P05112 |
|---|---|
| For Use With (Application) | Bioactivity |
| Formulation | Lyophilized from a 0.2 μm filtered solution in PBS. |
| Gene ID (Entrez) | 3565 |
| Molecular Weight (g/mol) | M.W. (Observed): 17-25 kDa, reducing conditions; M.W. (theoretical): 15.0 kDa |
| Catalog Number | Mfr. No. | Quantity | Price | Quantity & Availability | |||||
|---|---|---|---|---|---|---|---|---|---|
| Catalog Number | Mfr. No. | Quantity | Price | Quantity & Availability | |||||
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65-07I-L025CF
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R&D Systems™
6507IL025/CF |
25 μg |
Each for $340.50
|
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65-07I-L100CF
|
R&D Systems™
6507IL100/CF |
100 μg |
Each for $982.00
|
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Description
Measured in a cell proliferation assay using TF-1 human erythroleukemic cells. Kitamura, T. et al. (1989) J. Cell Physiol. 140:323. The ED50 for this effect is 0.05-0.2 ng/mL.Specifications
| P05112 | |
| Lyophilized from a 0.2 μm filtered solution in PBS. | |
| M.W. (Observed): 17-25 kDa, reducing conditions; M.W. (theoretical): 15.0 kDa | |
| Chinese Hamster Ovary cell line, CHO-derived human IL-4 protein His25-Ser153 | |
| <0.01 EU / 1 μg of the protein by the LAL method. | |
| IL4 | |
| Human | |
| Lyophilized from a 0.2 μm filtered solution in PBS. | |
| >95%, by SDS-PAGE under reducing conditions and visualized by silver stain. |
| Bioactivity | |
| 3565 | |
| B cell growth factor 1, BCDF, B-cell stimulatory factor 1, BCGF1, BCGF-1, binetrakin, BSF1, BSF-1, IL4, IL-4B_cell stimulatory factor 1, interleukin 4, interleukin-4, Lymphocyte stimulatory factor 1, MGC79402, Pitrakinra | |
| Use a manual defrost freezer and avoid repeated freeze-thaw cycles. 12 months from date of receipt, -20°C to -70°C as supplied. 1 month, 2°C to 8°C under sterile conditions after reconstitution. 3 months, -20°C to -70°C under sterile conditions after reconstitution. | |
| B cell growth factor 1, BCDF, B-cell stimulatory factor 1, BCGF1, BCGF-1, binetrakin, BSF1, BSF-1, IL4, IL-4B_cell stimulatory factor 1, IL4E12, interleukin 4, interleukin-4, Lymphocyte stimulatory factor 1, MGC79402, Pitrakinra | |
| Unconjugated | |
| Reconstitute at 100 μg/mL in PBS. | |
| <0.01 EU per 1 μg of the protein by the LAL method. | |
| IL-4 |
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