Description：Recombinant Human FCGR2B Protein is produced by Mammalian expression system and the target gene encoding Thr43-Pro217 is expressed with a 6His tag at the C-terminus.Form：Lyophilized from a 0.2 μM filtered solution of 20mM PB, 150mM NaCl, pH 7.2.Gene Symbol：FCGR2BAlternative Names：CD32; FCG2; IGFR2; Low affinity immunoglobulin gamma Fc region receptor II-b; IgG Fc receptor II-b; CDw32; Fc-gamma RII-b; Fc-gamma-RIIb; FcRII-b; CD32 Entrez Gene (Human)： 2213; SwissProt (Human)： P31994; Purity：Greater than 95% as determined by SEC-HPLC and reducing SDS-PAGE.Chemical Structure：TPAAPPKAVL KLEPQWINVL QEDSVTLTCR GTHSPESDSI QWFHNGNLIP THTQPSYRFK ANNNDSGEYT CQTGQTSLSD PVHLTVLSEW LVLQTPHLEF QEGETIVLRC HSWKDKPLVK VTFFQNGKSK KFSRSDPNFS IPQANHSHSG DYHCTGNIGY TLYSSKPVTI TVQAPVDHHH HHHDirections for Use：Always centrifuge tubes before opening. Do not mix by vortex or pipetting. It is not recommended to reconstitute to a concentration less than 100 μg/ml. Dissolve the lyophilized protein in 1X PBS. Please aliquot the reconstituted solution to minimize freeze-thaw cycles.Quality Control：Endotoxin: Less than 0.1 ng/μg (1 IEU/μg) as determined by LAL test.Storage/Stability：Lyophilized protein should be stored at -20°C, though stable at room temperature for 3 weeks. Reconstituted protein solution can be stored at 2-8°C for 2-7 days. Aliquots of reconstituted samples are stable at -20°C for 3 months.