Human B-cell Activating Factor; BAFF

Human B-cell Activating Factor; BAFF

Stock Code: 3571766
Manufacturer Part No: GF136
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Analysis Note


Specific Activity: Human BAFF is biologically active when compared to standards. The ED50 as determined by its dose-dependent mitogenic activity on human RPMI 8226 cells is 5-10 ng/mL.


Disclaimer


Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.


General description


Product Source: E.coli


Human BAFF (B-cell activating factor belonging to the TNF family) is a novel ligand in the TNF family. BAFF plays an important role as co-stimulator of B-cell proliferation and function. Recombinant human BAFF is a soluble 17.0 kDa protein containing 153 amino acid residues, comprising the TNF-like extracellular domain of BAFF.


Legal Information


CHEMICON is a registered trademark of Merck KGaA, Darmstadt, Germany


Physical form


Lyophilized from sterile filtered 0.5X PBS, pH 7.5, and 0.5 mM DTT, containing no additives.


Storage and Stability


The lyophilized powder is stable for a few weeks at room temperature, but best stored at -20°C for up to one year from date of receipt. Reconstituted material can be stored at 2°-8°C for one week, but undiluted aliquots at -20°C are recommended. Avoid repeated freeze/thaw cycles.

Quality Level100
ManufacturerSIGMA-ALDRICH
Impurities﹤0.1 ng/µg Endotoxin (of BAFF; 1 EU/ug)
Assay>98% (SDS-PAGE)

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