R&D Systems Human LIF R alpha Recombinant Protein
Manufacturer: R&D Systems 249LR050/CF
DescriptionMeasured by its ability to inhibit LIF-dependent proliferation of TF-1 human erythroleukemic cells. Kitamura, T. et al. (1989) J. Cell Physiol. 140:323. The ED 50 for this effect is 3-10 µg/mL in the presence of 0.3 ng/mL of recombinant human LIF.
|Lyophilized from a 0.2μm filtered solution in PBS.|
|>90%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie™ Blue Staining.|
|<0.1 EU per 1μg of the protein by the LAL method.|
|LIF R alpha|
|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.|
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