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R&D Systems™ Recombinant Human/Mouse/Rat Activin A Protein
CHO derived
Brand: R&D Systems™ 338-AC-050/CF
This item is not returnable.
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Description
Measured by its ability to induce hemoglobin expression in K562 human chronic myelogenous leukemia cells. Schwall, R.H. et al. (1991) Method Enzymol. 198:340. The ED50 for this effect is 0.2-1.2 ng/mL.Specifications
| P08476 | |
| Lyophilized from a 0.2 μm filtered solution in Acetonitrile and TFA. | |
| M.W. (Observed): 14 kDa, reducing conditions 24 kDa, non-reducing conditions; M.W. (theoretical): 13 kDa (monomer) | |
| 50 μg | |
| 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. | |
| <0.01 EU / 1 μg of the protein by the LAL method. | |
| Unconjugated | |
| Reconstitute at 100-500 μg/mL in sterile 4 mM HCl. | |
| Activin A |
| Bioactivity | |
| 3624 | |
| Activin A | |
| Chinese Hamster Ovary cell line, CHO-derived Activin A protein Gly311-Ser426 | |
| Disulfide-linked homodimer | |
| INHBA | |
| Recombinant | |
| >95%, by SDS-PAGE with silver staining. |
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