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>   home   >   Products   >   Proteins   >   Human CellExp Fc gamma RIIB /CD32b, human recombinant protein   

Human CellExp Fc gamma RIIB /CD32b, human recombinant protein

FCGR2B, CD32b, CD32, FCG2, IGFR2, CDw32

     
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Product info
Primary Accession P31994
Calculated MW This protein is fused with 6×His tag at the C-terminus, has a calculated MW of 20.2 kDa. The predicted N-terminus is Ala 46. DTT-reduced Protein migrates as 23-33 kDa due to different glycosylation.
Additional Info
Gene ID 2213
Gene Symbol FCGR2B
Other Names FCGR2B, CD32b, CD32, FCG2, IGFR2, CDw32
Gene Source Human
Source HEK293 cells
Assay&Purity SDS-PAGE; ≥95%
Assay2&Purity2 N/A;
Recombinant Yes
Results Measured by its ability to bind human IgG with an estimated Kd <150 nM.
Target/Specificity Fc gamma RIIB /CD32b
Application Notes Centrifuge the vial prior to opening. Reconstitute in sterile PBS, pH 7.4 to a concentration of 50 µg/ml. Do not vortex. This solution can be stored at 2-8°C for up to 1 month. For extended storage, it is recommended to store at -20°C.
Format Lyophilized
Storage -20°C; Lyophilized from 0.22 µm filtered solution in PBS, pH7.4. Generally 5-8% Mannitol or trehalose is added as a protectant before lyophilization.
Citations (0)
citation

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Background

Receptors for the Fc region of IgG (Fc γ R) are members of the Ig superfamily that function in the activation or inhibition of immune responses. Three classes of human Fc γ Rs: RI (CD64), RII (CD32), and RIII (CD16), which generate multiple isoforms, are recognized. There are three genes for human Fcγ RII /CD32 (A, B, and C) and one for mouse Fcγ RII B (CD32B). CD32 is a low affinity receptor for IgG. Low affinity immunoglobulin gamma Fc region receptor II-b (FCGR2B) also known as CD32b, FCG2, IGFR2. CD32B is expressed on B cells and myeloid dendritic cells. Ligation of CD32B on B cells down regulates antibody production and may, in some circumstances, promote apoptosis. Co-ligation of CD32B on dendritic cells inhibits maturation and blocks cell activation. CD32B may also be a target for monoclonal antibody therapy for malignancies.

References

Ng S.,et al.Submitted (JAN-1997) to the EMBL/GenBank/DDBJ databases.
Stuart S.G.,et al.EMBO J. 8:3657-3666(1989).
Brooks D.G.,et al.J. Exp. Med. 170:1369-1385(1989).
Engelhardt W.,et al.Eur. J. Immunol. 20:1367-1377(1990).
Ebert L.,et al.Submitted (MAY-2004) to the EMBL/GenBank/DDBJ databases.

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Discontinued
Cat# PBV11011r-10
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