價格 | 詢價 | ||
包裝 | 100ug | 500ug | 1000ug |
最小起訂量 | 100ug |
發(fā)貨地 | 北京 |
更新日期 | 2025-07-18 |
中文名稱:鏈霉親和素 | 英文名稱:Streptavidin |
CAS:9013-20-1 | 品牌: 百普賽斯 |
產(chǎn)地: 北京 | 保存條件: -20°C to -70°C |
純度規(guī)格: 99.9% | 產(chǎn)品類別: 重組蛋白 |
貨號: Streptavidin | 用途范圍: 科研 |
規(guī)格: 100ug | 是否進(jìn)口: 否 |
分子別名(Synonym)
Streptavidin,SA
表達(dá)區(qū)間及表達(dá)系統(tǒng)(Source)
Streptavidin (A24C) Protein, His Tag (STN-N51H3) is expressed from E. coli cells. It contains AA Cys 24 - Gln 183 (Accession # P22629-1 (A24C)).
Predicted N-terminus: Met
蛋白結(jié)構(gòu)(Molecular Characterization)
This protein carries a polyhistidine tag at the C-terminus.
The protein has a calculated MW of 18.6 kDa. The protein migrates as 20-22 kDa when calibrated against Star Ribbon Pre-stained Protein Marker under reducing (R) condition (SDS-PAGE).
內(nèi)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.
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(gòu)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 3 months under sterile conditions after reconstitution.
背景介紹
Streptavidin is a 66KDa tetrameric protein purified from the bacterium Streptomyces avidinii, and exhibits high binding affinity to biotin. Each unit can bind one biotin. Horseradish peroxidase is metalloenzyme, a 44KDa glycoprotein. When incubate with substrates, it produces a coloured, fluorimetric, or luminescent derivatives, which can be detected and quantified. HRP conjugated Streptavidin is widely used for the detection and quantification of biotinylated proteins.
成立日期 | 2010-07-22 (16年) | 注冊資本 | 8000萬人民幣 |
員工人數(shù) | 500人以上 | 年營業(yè)額 | ¥ 1億以上 |
主營行業(yè) | 醫(yī)藥中間體,原料藥,激素類,氨基糖苷類,中樞神經(jīng)系統(tǒng)用藥 | 經(jīng)營模式 | 工廠,試劑 |
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