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Recombinant Human CD32a/FCGR2A Protein (H131, His Tag)
SKU: PKSH032418-50
Recombinant Human CD32a/FCGR2A Protein (H131, His Tag)
| SKU # | PKSH032418 |
| Expression Host | HEK293 Cells |
Description
| Synonyms | CD32, CD32A, CDw32, FCG2, FCGR2 , FCGR2A, FCGR2A1, Fc gamma RIIA, Fc-gamma RII-a, Fc-gamma-RIIa, FcGR, FcRII-a, IGFR2, IgG Fc receptor II-a, Low affinity immunoglobulin gamma Fc region receptor II-a |
| Species | Human |
| Expression Host | HEK293 Cells |
| Sequence | Ala36-Ile218 |
| Accession | P12318 |
| Calculated Molecular Weight | 21.1 kDa |
| Observed Molecular Weight | 25-32 kDa |
| Tag | C-His |
| Bio-activity | Not validated for activity |
Properties
| Purity | > 95 % as determined by reducing SDS-PAGE. |
| Endotoxin | < 1.0 EU per μg of the protein as determined by the LAL method. |
| Storage | Generally, lyophilized proteins are stable for up to 12 months when stored at -20 to -80℃. Reconstituted protein solution can be stored at 4-8℃ for 2-7 days. Aliquots of reconstituted samples are stable at < -20℃ for 3 months. |
| Shipping | This product is provided as lyophilized powder which is shipped with ice packs. |
| Formulation | Lyophilized from a 0.2 μm filtered solution of PBS, pH 7.4. Normally 5% - 8% trehalose, mannitol and 0.01% Tween 80 are added as protectants before lyophilization. Please refer to the specific buffer information in the printed manual. |
| Reconstitution | Please refer to the printed manual for detailed information. |
Background
Human FcγRs are divided into three classes designated FcγRI (CD64); FcγRII (CD32); and FcγRIII (CD16); which generate multiple isoforms; are recognized. The activating- type receptor either has or associates non-covalently with an accessory subunit that has an immunoreceptor tyrosine-based activation motif (ITAM) in its cytoplasmic domain. FcγRI binds IgG with high affinity and functions during early immune responses; whereas FcγRII and RIII are low affinity receptors that recognize IgG as aggregates surrounding multivalent antigens during late immune responses.Human CD32; also known as Low affinity immunoglobulin γ Fc region receptor II-a (IgG Fc receptor II-a); FcγRII A or FCGR2A Protein; is expressed on cells of both myeloid and lymphoid lineages as well as on cells of non-hematopoietic origin. Associated with an ITAM-bearing adapter subunit; FcRγ; CD32a (FcγRII A) delivers an activating signal upon ligand binding; and results in the initiation of inflammatory responses including cytolysis; phagocytosis; degranulation; and cytokine production. The responses can be modulated by signals from the co-expressed inhibitory receptors such as Fcγ RII B; and the strength of the signal is dependent on the ratio of expression of the activating and inhibitory receptors.