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R&D Systems™ Human Flt-3 Ligand Recombinant Protein, Carrier-Free

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™ 308FK01M/CF

Catalog No. 30-8FK-01MCF

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Measured in a cell proliferation assay using BaF3 mouse pro-B cells transfected with mouse Flt-3. The ED50 for this effect is 0.2-1 ng/mL. The specific activity of Recombinant Human Flt-3 Ligand/FLT3L is approximately 1.2 x 103 U/μg, which is calibrated against Recombinant Human Flt-3 Ligand/FLT3L WHO Standard (NIBSC code: 96/532). Specific activity is for reference purposes only and is not routinely tested.

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Ships at ambient temperature.



>97%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie™ Blue Staining
Spodoptera frugiperda,Sf 21 (baculovirus)-derived human Flt-3 Ligand/FLT3L protein Thr27-Pro185
FL, FLG3L, Flt3 ligand, Flt3L, FLT3LG, fms-related tyrosine kinase 3 ligand, SL cytokine
Recombinant protein
Lyophilized from a 0.2μm filtered solution in Acetonitrile and TFA
17.5 kDa (monomer)
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.
<1.0 EU per 1μg of the protein by the LAL method
0.2 to 1ng/mL


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