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Description
Biotinylated Fc γ RIIB/CD32b Avi&His Tag Protein, HumanProduct Specification Species Human Antigen Fc RIIB CD32b Synonyms FCGR2B C, CD32b c, Fc RII b c, Fc gamma RII b c, CD32, FCG2, IGFR2, CDw32 Accession P31994 1 Amino Acid Sequence Ala46 Pro217, with C terminal Avi&His Tag APPKAVLKLEPQWINVLQEDSVTLTCRGTHSPESDSIQWFHNGNLIPTHTQPSYRFKANNNDSGEYTCQTGQTSLSDPVHLTVLSEWLVLQTPHLEFQEGETIVLRCHSWKDKPLVKVTFFQNGKSKKFSRSDPNFSIPQANHSHSGDYHCTGNIGYTLYSSKPVTITVQAPGGGSGLNDIFEAQKIEWHEHHHHHHHH Expression System HEK293
Product Specification
| Species | Human |
| Antigen | Fc γ RIIB/CD32b |
| Synonyms | FCGR2B/C, CD32b/c, Fc RII-b/c, Fc-gamma RII-b/c, CD32, FCG2, IGFR2, CDw32 |
| Accession | P31994-1 |
| Amino Acid Sequence | Ala46-Pro217, with C-terminal Avi&His Tag APPKAVLKLEPQWINVLQEDSVTLTCRGTHSPESDSIQWFHNGNLIPTHTQPSYRFKANNNDSGEYTCQTGQTSLSDPVHLTVLSEWLVLQTPHLEFQEGETIVLRCHSWKDKPLVKVTFFQNGKSKKFSRSDPNFSIPQANHSHSGDYHCTGNIGYTLYSSKPVTITVQAPGGGSGLNDIFEAQKIEWHEHHHHHHHH |
| Expression System | HEK293 |
| Molecular Weight | 29-32kDa |
| Purity | ＞95% by SDS-PAGE |
| Endotoxin | <0.1EU/μg |
| Conjugation | Biotin |
| Tag | Avi Tag, His Tag |
| Physical Appearance | Lyophilized Powder |
| Storage Buffer | PBS, pH7.4 |
| Reconstitution | Reconstitute at 0.1-1 mg/ml according to the size in ultrapure water after rapid centrifugation. |
| Stability & Storage | · 12 months from date of receipt, lyophilized powder stored at -20 to -80℃. · 3 months, -20 to -80℃ under sterile conditions after reconstitution. · 1 week, 2 to 8℃ under sterile conditions after reconstitution. · Please avoid repeated freeze-thaw cycles. |
| Reference | 1. Christopher T. Rankin, Maria-Concetta Veri, Sergey Gorlatov, Nadine Tuaillon, Steve Burke, Ling Huang, H. David Inzunza, Hua Li, Shannon Thomas, Syd Johnson, Jeffrey Stavenhagen, Scott Koenig, Ezio Bonvini: CD32B, the human inhibitory Fc-γ receptor IIB, as a target for monoclonal antibody therapy of B-cell lymphoma, Blood (2006) 108 (7): 2384-2391. |
Background
IgG Fc region receptors are members of the Ig superfamily that play roles in activating or inhibiting immune responses such as degranulation, phagocytosis, ADCC, cytokine release, and B-cell proliferation. There are three genes for human Fc γ RII /CD32 (A, B, and C) and one for mouse Fc γ RII B (CD32B). CD32 is a low affinity receptor for IgG. 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.
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