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Human BAFF protein

Human BAFF protein

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Specification

Product name Human BAFF protein
Sequence Amino acid sequence derived from soluble form of human BAFF (Q9Y275-1) (Ala 134-Leu 285) was expressed and purified.
Activity Measured in a cell proliferation assay using anti-IgM stimulated mouse B cells. The ED50 for this effect is typically 0.4-2 ng/mL in the presence of goat anti-mouse IgM μ chain.
Protein length The recombinant human BAFF consists of 152 amino acids and has a predicted molecular mass of 17 kDa. In SDS-PAGE under reducing conditions, rhBAFF is migrates as an approximately 19 kDa band.
Preparation method HEK293 Cells
Purity > 96 % as determined by SDS-PAGE
Alternative BAFF; BLYS; CD257; DTL; TALL-1; TALL1; THANK; TNFSF20; ZTNF4; Tumor necrosis factor ligand superfamily member 13B; TNFSF13B

Product Properties

Formulation Lyophilized from sterile PBS, pH 7.4
Molecular weight 17 kDa
Usage notes Always centrifuge tubes before opening. It is recommended to reconstitute the lyophilized Human BAFF protein in sterile ddH2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Storage instructions Lyophilized Human BAFF protein product should be stored desiccated below -20°C. Upon reconstitution, the protein should be stored at 4°C between 2-7 days and for future use below -20°C. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA). Please prevent freeze-thaw cycles.
Shipping The product is shipped at ambient temperature.
Precautions The product listed herein is for research use only and is not intended for use in human or clinical diagnosis. Suggested applications of our products are not recommendations to use our products in violation of any patent or as a license. We cannot be responsible for patent infringements or other violations that may occur with the use of this product.

Additional Information

Background B lymphocyte stimulator (BLyS), also known as TNFSF13B, CD257 and BAFF, is single-pass type II membrane protein, which belongs to the tumor necrosis factor family. BAFF is abundantly expressed in peripheral blood Leukocytes and is specifically expressed in monocytes and macrophages. BAFF is a cytokine and serves as a ligand for receptors TNFRSF13B (TACI), TNFRSF17 (BCMA), and TNFRSF13C (BAFFR). These receptors is a prominent factor in B cell differentiation, homeostasis, and selection. BLyS levels affect survival signals and selective apoptosis of autoantibody-producing B cells. Thus, it acts as a potent B cell activator and has been shown to play an important role in the proliferation and differentiation of B cells. Overexpression of BLyS in mice can lead to clinical and serological features of systemic lupus erythematosus (SLE) and Sjögren's syndrome (SS). BLyS as an attractive therapeutic target in human rheumatic diseases. The ability of BLyS to regulate both the size and repertoire of the peripheral B cell compartment raises the possibility that BLyS and antagonists thereof may form the basis of a therapeutic trichotomy. As an agonist, BLyS protein may enhance humoral immunity in congenital or acquired immunodeficiencies such as those resulting from viral infection or cancer therapy.
Gene ID 10673
Alternative BAFF; BLYS; CD257; DTL; TALL-1; TALL1; THANK; TNFSF20; ZTNF4; Tumor necrosis factor ligand superfamily member 13B; TNFSF13B
Others The Endotoxin level is less than 1.0 EU per μg of the protein as determined by the LAL method
Accession Q9Y275-1

Image & description

Fig.SDS-PAGE analysis of Human BAFF protein.

Fig.SDS-PAGE analysis of Human BAFF protein.

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