Name :
Biotinylated Cynomolgus Fc gamma RIIB / CD32b Protein, His,Avitag™ (SPR & BLI & MALS verified)
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) is also known as CD32b, FCG2, IGFR2. CD32B is expressed on B cells and myeloid dendritic cells. Ligation of CD32B on B cells downregulates 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.
Biological Activity :
Species :
Source :
Biotinylated Cynomolgus CD32b, His,Avitag (CDB-C82E4) is expressed from human 293 cells (HEK293). It contains AA Ala 46 – Pro 224 (Accession # Q8SPW3-1 ).
Tag :
Synonyms :
（Synonym）FCGR
Purity :
（Purity）>95% as determined by SDS-PAGE.
Storage and Stability :
For long term storage, the product should be stored at lyophilized state at -20°C or lower.
Endotoxin Level :
（Endotoxin）Less than 1.0 EU per μg by the LAL method.
Formulation :
Lyophilized from 0.22 μm filtered solution in PBS, pH7.4 with trehalose as protectant.
Protein Structure :
This protein carries a polyhistidine tag at the C-terminus, followed by an Avi tag (Avitag™).
Refactoring Approach :
Please see Certificate of Analysis for specific instructions.
Protein Labeling :
Passed as determined by the HABA assay / binding ELISA.
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