- 询价
- Cell Signaling Technology
- 2365
- USA
- 2025年08月11日
- W, IP, IF-IC
- Rabbit
- All
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- 详细信息
- 文献和实验
- 技术资料
- 抗体英文名：
His-Tag Antibody
- 抗原：
6xHis synthetic peptide
- 应用范围：
W, IP, IF-IC
- 宿主：
Rabbit
- 库存：
大量
- 供应商：
CST
- 级别：
详见MSDS文件
- 保质期：
详见说明书
- 适应物种：
All
- 是否单克隆：
2
- 保存条件：
-20°c
- 规格：
100 ul (10 western blots)/carrier free & custom formulation / quantity
| 规格： | 产品价格： | ￥请询价 | |
|---|---|---|---|
| 规格： | 100 ul (10 western blots) | 产品价格： | ￥请询价 |
| 规格： | carrier free & custom formulation / quantity | 产品价格： | ￥请询价 |
pathway more info application references datasheet PDF MSDS PDF protocols
Applications Key: W=Western Blotting IP=Immunoprecipitation IF-IC=Immunofluorescence (Immunocytochemistry)
Reactivity Key: All=All species expected
Species cross-reactivity is determined by western blot.
| Applications | Reactivity | Sensitivity | Source |
|---|---|---|---|
| W IP IF-IC | All | Transfected Only | Rabbit |
| Protocols |
* Product-specific protocol. |
|---|---|
| Specificity / Sensitivity | His-Tag Antibody detects recombinant proteins containing the 6xHis epitope tag. The antibody recognizes the 6xHis-tag fused to either the amino or carboxy terminus of targeted proteins in transfected cells. |
| Source / Purification | Polyclonal antibodies are produced by immunizing animals with a 6xHis synthetic peptide. Antibodies are purified by protein A and peptide affinity chromatography. Western Blotting
Western blot analysis of extracts from cells expressing C-terminal His-tagged protein (lane 1) or control extract (lane 2), using His-Tag Antibody. IP
Immunoprecipitation of C-terminal His-tagged protein (lane 1) or N-terminal HA-tagged protein (lane 2), using His-Tag Antibody, then western analysis with the same antibody. IF-IC
Confocal immunofluorescent analysis of COS cells transfected with a His-tagged protein using His-Tag Polyclonal Antibody. Blue pseudocolor = DRAQ5® #4084 (fluorescent DNA dye). |
| Background | Epitope tags are useful for the labeling and detection of proteins using immunoblotting, immunoprecipitation, and immunostaining techniques. Because of their small size, they are unlikely to affect the tagged protein's biochemical properties. A variety of plasmids contain DNA that encodes an amino-terminal tag consisting of six histidine (6xHis) residues followed by an extended multiple cloning site. The 6xHis tag on the expressed recombinant proteins allows for efficient coupling to Ni2+ affinity resins and purification by single step chromatography (1).As is the case with other protein tag systems (2), this polyhistidine tag can often be cleaved at sites recognized by proteases such as thrombin and enterokinases to isolate the protein of interest (1).
|
| Application References | Have you published research involving the use of our products? If so we'd love to hear about it. Please let us know ! |
| Companion Products |
For Research Use Only. Not For Use In Diagnostic Procedures. |
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文献和实验质，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
科技公司，而Nextal是一家研究蛋白质晶体学的公司，他们拥有一套体系可以简化制备用于蛋白质晶体成像的蛋白的过程。它的加入为Qiagen在蛋白质研究这一块注入了新鲜的血液。用基因工程的手段表达蛋白质，必需经过纯化才能实现最终目的。不同性质的蛋白质纯化条件各不相同太难摸索，这一点和核酸相差甚远，所以将目的蛋白和一个亲和纯化标签融合表达，通过亲和纯化Tag蛋白来纯化目的蛋白，就成为常用的迂回手段。大的Tag最后要经过切割得到目的蛋白，而His-Tag，这个只有6个组氨酸大小的标签在pH8.0时不带电，很小，几乎没有
Generation of Antibody Molecules Through Antibody Engineering
been overcome to a large extent using genetic-engineering techniques to produce chimeric mouse/human and completely human antibodies. Such an approach is particularly suitable because of the domain structure of the antibody molecule ( 2 ), where functional
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