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R&D Systems™ Recombinant Human IL-7 (HEK-293-expressed) Protein
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Quantité:
1 mg
10 μg
250 μg
50 μg
Conditionnement:
10µg
1mg
250µg
50µg
Description
Measured in a cell proliferation assay using PHA-activated human peripheral blood lymphocytes (PBL). Yokota, T. et al. (1986) Proc. Natl. Acad. Sci. USA 83:5894. The ED50 for this effect is 0.100-0.500 ng/mL. The specific activity of Recombinant Human IL-7 is >1.00 x 108 units/mg, which is calibrated against the human IL-7 reference standard (NIBSC code: 90/530). Specific activity is for reference purposes only and is not routinely tested.
Spécification
Spécification
| Numéro d’adhésion | P13232.1 |
| À utiliser avec (application) | Bioactivity |
| Formule | Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. |
| Identification génétique (Entrez) | 3574 |
| Poids moléculaire | MolecularWeight-observed: 18-28 kDa, under reducing conditions.; MolecularWeight-theroretical: 17 kDa |
| Quantité | 10 μg |
| Source | Human embryonic kidney cell, HEK293-derived human IL-7 protein Asp26 - His177 |
| Conditions de stockage | 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. |
| Concentration en endotoxines | <0.10 EU / 1 μg of the protein by the LAL method. |
| Alias de gène | IL7, IL-7 interleukin-7, interleukin 7, Lymphopoietin-1, PBGF |
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