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R&D Systems™ Recombinant Human IL-4 Protein
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Mængde:
1 mg
10 μg
100 μg
50 μg
500 μg
Beskrivelse
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 0.0400-0.320 ng/mL.
Tekniske data
Tekniske data
| Adgangsnummer | P05112.1 |
| Til brug med (applikation) | Bioactivity |
| Formulering | Lyophilized from a 0.2μm filtered solution in PBS with Trehalose. |
| Gen-id (Entrez) | 3565 |
| Molekylvægt (g/mol) | M.W. (Observed): 13 kDa, under reducing conditions., M.W. (Theoretical): 15.1 kDa |
| Mængde | 10 μg |
| Kilde | E. coli-derived human IL-4 protein His25-Ser153, with an N-terminal Met |
| Opbevaringskrav | Use a manual defrost freezer and avoid repeated freeze-thaw cycles. 12 months from date of receipt, -20 to -70 °C as supplied. 1 month, 2 to 8 °C under sterile conditions after reconstitution. 3 months, -20 to -70 °C under sterile conditions after reconstitution. |
| Endotoksin koncentration | <0.10 EU per 1μg of the protein by the LAL method. |
| Gene Alias | 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 |
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