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R&D Systems™ Human SCF Recombinant Protein
Extensive quality control produces industry leading bioactivity and lot-to-lot consistency that instills confidence in results and ensures reproducibility. Applications: Bioactivity
Supplier: R&D Systems™ 255SC050
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DescriptionMeasured 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 1-5 ng/mL. The specific activity of Recombinant Human SCF is approximately 1.3 x 106 IU/mg, which is calibrated against recombinant human SCF WHO International Standard (NIBSC code: 91/682). Specific activity is for reference purposes only and is not routinely tested.
Ships at ambient temperature.
|Lyophilized from a 0.2μm filtered solution in PBS with BSA as a carrier protein.|
|M.W. (theroretical): 19 kDa|
|97%, by SDS-PAGE under reducing conditions and visualized by silver stain.|
|E. coli-derived human SCF/c-kit Ligand protein Glu26-Ala189,with an N-terminal Met|
|c-kit Ligand, DCUA, DFNA69, DKFZp686F2250, familial progressive hyperpigmentation 2, FPH2, FPHH, KIT ligand, Kitl, KITLG, KL-1, Mast cell growth factor, MGF, MGFSHEP7, SCFStem cell factor, SFc-Kit ligand, SHEP7, SLF, steel factor|
|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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