TRAP试剂盒
实验介绍

TRAP( tagged RNA affinity purification)是一种通过设计ncRNA-MS2载体与GST-MS2融合表达载体并共转细胞,以检测与ncRNA结合的蛋白质(RBPs)或RNA的研究方法。根据研究对象的不同,TRAP可与高通量测序、qPCR联用,鉴定与ncRNA结合的RNA种类与相互作用水平;或是与MS、Western blot联用,鉴定与ncRNA结合的蛋白质种类与结合强度。 (本试剂盒仅供科研用途)

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详细介绍


实验原理:


TRAP方法首先设计GST-MS2融合表达载体和ncRNA-MS2茎环结构串联重复载体,共转细胞获得GST-MS2融合蛋白和ncRNA-MS2融合RNA,在胞内形成GST-MS2~ncRNA-MS2与蛋白或RNA的复合体;然后裂解细胞,利用谷胱甘肽亲和琼脂糖磁珠拉取获得目的蛋白-RNA复合物;最后进一步分离纯化,获得目的蛋白或目的RNA进行下一步检测分析。

 

产品优势:


1. 伯信独立研发。

2. 解决了传统的TRAP实验目前只应用于LncRNA等互作RNA或蛋白研究的局限性问题。

3. 使用环状RNA表达载体而非探针进行杂交,避免了circRNA研究中接头序列被蛋白结合后探针不能结合circRNA导致的假阴性影响,且降低了探针杂交过程中RNA的降解。



技术流程:





结果实例








详见产品说明书Bes5106 TRAP 



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