Recombinant Streptavidin Protein (MALS verified)
分子別名(Synonym)
Streptavidin,SA
表達區(qū)間及表達系統(Source)
Recombinant Streptavidin (STN-N5116) is expressed from E.coli cells.
蛋白結構(Molecular Characterization)
This protein carries no "tag". The protein has a calculated MW of 13.8 kDa.
The protein is designed as a tetramer.
應用說明(Application)
ELISA assay
內毒素(Endotoxin)
Less than 1.0 EU per μg by the LAL method / rFC method.
純度(Purity)
>95% as determined by SDS-PAGE.
>95% as determined by SEC-MALS.
制劑(Formulation)
Lyophilized from 0.22 μm filtered solution in NaCl, 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 2 years in lyophilized state;
-70°C for 3 months under sterile conditions after reconstitution.


背景介紹
鏈霉親和素是一種從鏈霉菌中純化得到的四聚體蛋白,對生物素具有極高的結合親和力,其每個亞基均可結合一分子生物素。該蛋白等電點(pI=6.0-7.5)低于親和素(pI=7.4),因此在生理pH條件下對各類生物組分的非特異性結合較弱。鏈霉親和素廣泛應用于親和色譜、ELISA、免疫組化及Western Blotting等技術領域。
關鍵字: 鏈霉親和素;Streptavidin;Streptavidin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、健康產業(yè)領域提供關鍵生物試劑產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。集團旗下擁有品牌ACROBiosystems百普賽斯、bioSeedin柏思薈、Condense Capital墾拓資本和ACRODiagnostics百斯醫(yī)學等。