Human PD-L1 / B7-H1 Protein, His Tag (MALS verified)
分子別名(Synonym)
PD-L1,CD274,B7-H1,PDCD1L1,PDCD1LG1
表達區(qū)間及表達系統(tǒng)(Source)
Human PD-L1, His Tag (PD1-H5229) is expressed from human 293 cells (HEK293). It contains AA Phe 19 - Arg 238 (Accession # NP_054862.1 ).
Predicted N-terminus: Phe 19
蛋白結構(Molecular Characterization)
This protein carries a polyhistidine tag at the C-terminus.
The protein has a calculated MW of 26.0 kDa. The protein migrates as 30-35 kDa when calibrated against Star Ribbon Pre-stained Protein Marker under reducing (R) condition (SDS-PAGE) due to glycosylation.
內毒素(Endotoxin)
Less than 1.0 EU per μg by the LAL method.
純度(Purity)
>98% as determined by SDS-PAGE.
>90% as determined by SEC-MALS.
制劑(Formulation)
Lyophilized from 0.22 μm filtered solution in PBS, pH7.4 with trehalose as protectant.
Contact us for customized product form or formulation.
重構方法(Reconstitution)
Please see Certificate of Analysis for specific instructions.
For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.
存儲(Storage)
For long term storage, the product should be stored at lyophilized state at -20°C or lower.
Please avoid repeated freeze-thaw cycles.
This product is stable after storage at:
-20°C to -70°C for 12 months in lyophilized state;
-70°C for 12 months under sterile conditions after reconstitution.
背景(Background)
程序性細胞死亡1配體1(PDL1)也稱為B7-H、B7H1、MGC142294、MGC1422 96、PD-L1、PDCD1L1和PDCD1LG1,是生長中的B7免疫分子家族的成員,參與細胞和體液免疫反應的調節(jié)。PDL1是一個細胞表面免疫球蛋白超家族,在細胞外區(qū)域內有兩個Ig樣結構域和一個短的細胞質結構域。這種蛋白質在大多數(shù)外周組織以及造血細胞中廣泛表達。PDL1及其屬于CD28分子家族的受體之間的相互作用在調節(jié)T細胞活化和耐受中提供刺激和抑制信號。PDL1可以通過誘導細胞凋亡和阻止細胞周期進展來抑制正在進行的T細胞反應。
關鍵字: PD-L1;PD-L1蛋白;PD-L1重組蛋白;ACRO;百普賽斯;
百普賽斯集團ACROBiosystems Group(股票代碼:301080)是成立于2010年的跨國生物科技公司,是為全球生物醫(yī)藥、健康產(chǎn)業(yè)領域提供關鍵生物試劑產(chǎn)品及解決方案的行業(yè)平臺型基石企業(yè)。2021年在創(chuàng)業(yè)板上市。百普賽斯集團業(yè)務遍布全球,橫跨亞洲、北美洲、歐洲,在中國、美國、瑞士等12個城市設有辦公室、研發(fā)中心及生產(chǎn)基地。目前累計服務客戶超6000家,與全球Top 20醫(yī)藥企業(yè)均建立了長期、穩(wěn)定的合作伙伴關系。集團旗下?lián)碛衅放艫CROBiosystems百普賽斯、bioSeedin柏思薈、Condense Capital墾拓資本和ACRODiagnostics百斯醫(yī)學等。