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- 详细信息
- 文献和实验
- 技术资料
- 保存条件:
-20℃ to -80℃
- 保质期:
12个月
- 英文名:
Recombinant Human PSMA/FOLH1 Protein (Site-Specific AF 647 Conjugation, His Tag)
- 库存:
99
- 供应商:
北京义翘神州科技股份有限公司
- 规格:
25.00 µg/100.00 µg
| 规格: | 25.00 µg | 产品价格: | ¥3480.0 |
|---|---|---|---|
| 规格: | 100.00 µg | 产品价格: | ¥11180.0 |
蛋白名称:Human PSMA/FOLH1 Protein (Site-Specific AF 647 Conjugation, His Tag)
蛋白构建:A DNA sequence encoding the human FOLH1 (NP_004467.1) (Lys 44-Ala 750) was expressed with a N-terminal polyhistidine tag. The protein is site-specifically conjugated with AF 647 (Excitation Max.= 655 nm, Emission Max.= 680 nm).
表达宿主:CHO Cells1.Flow cytometric analysis of anti-FOLH1 CAR expression. 5e5 of anti-FOLH1 CAR-293 cells were stained with 100 μL of 5 μg/mL of AF 647-conjugated human FOLH1 Protein (Site-Specific AF 647 Conjugation, His Tag, Cat. No. 15877-H85C-SG) and negative control protein. Non-transduced 293 cells were used as a control (left). AF 647 signal was used to evaluate the binding activity (QC tested). 2.Binding activity of AF 647-conjugated FOLH1 protein to PBMC cells. PBMC cells were stained with FITC conjugated anti-CD3 antibody and AF 647-conjugated human FOLH1 Protein (Site-Specific AF 647 Conjugation, His Tag, Cat. No. 15877-H85C-SG) and detected by flow cytometry. FITC signal was used to evaluate the content of CD3+ T cells in PBMCs. AF 647 signal was used to evaluate the non-specific binding activity to PBMCs (QC tested).
蛋白内毒素:< 1.0 EU per μg protein as determined by the LAL method.
预测N端:Gly
蛋白分子量:The protein has a predicted molecular mass of 83 kDa.
蛋白NP号:NP_004467.1
蛋白氨基酸序列:Lys44-Ala750
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文献和实验Engineering THIOMABs for Site-Specific Conjugation of Thiol-Reactive Linkers
, we have engineered THIOMABs (antibodies with engineered reactive cysteine residues) for site-specific conjugation and showed that these antibody conjugates display homogeneous labeling with optimal in vitro and in vivo characteristics. Here, we describe protocols
质,小分子或是金属。当融合有亲和标签的蛋白通过标签-配体作用结合再层析基质上时,通过洗杂步骤,即可去除掉其他的细胞成分。 为了洗脱所需要的蛋白质,通过改变缓冲液的条件,如pH,或通过竞争亲和标签和配体连接的方法来进行。 但怎样的纯化是较为成功的呢?仅达到所需的质量量级,如毫克级(或克级)即可满足吗? 这些并不简单。质在蛋白纯化中同样尤为重要,比如,就蛋白的生物活性和纯度而言,通常会有所要求。 以下我们来讨论并且比较2种技术: His-tag系统和Strep-tag®系统,都使用了亲和层析法来纯化
注意的是,两种配体的洗脱和再生buffer稍有差别,使用的时候还需注意! 系统特点 高达 pM 范围的亲和力(KD up to 6.2 x 10-11 M) 纯化树脂材质稳定 小标签 (8-28 aa)无需移除,不影响蛋白折叠和功能 极高的蛋白纯度(纯度>95%) 应用于多种目标蛋白检测系统:Western blot, ELISA, 免疫荧光, FACS等 兼容多种缓冲条件:高盐,洗涤剂,金属离子,螯合剂,还原剂 适用于多种蛋白的纯化 Twin-Strep-tag®标签蛋白固定在界面上时 (SPR
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