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R&D Systems™ Recombinant Mouse Klotho beta Protein, CF

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™ 2619KB050

Catalog No. 2619KB050

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Measured in a cell proliferation assay using BaF3 mouse pro-B cells transfected with human FGF RIIIc. The ED50 for this effect is 0.2-1 μg/mL in the presence of Recombinant Human FGF-21 (Catalog # 2539-FG ) and Heparin.


Supplied as a 0.2 µm filtered solution in PBS, Glycerol and EDTA.
M.W. (Observed): 140 kDa, reducing conditions; M.W. (theoretical): 110.2 kDa
>90%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie™ Blue Staining.
Mouse myeloma cell line, NS0-derived mouse Klotho beta protein Phe53-Leu995, with a C-terminal 10-His tag
<0.10 EU / 1 µg of the protein by the LAL method.
Klotho beta
Klotho beta
50 µg
Use a manual defrost freezer and avoid repeated freeze-thaw cycles. 12 months from date of receipt, -70 °C as supplied. 1 month, 2°C to 8°C under sterile conditions after opening.


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