抗-FLAG^® M2亲和凝胶

Protocol for immunoprecipitation (IP) of FLAG fusion proteins using M2 monoclonal antibody 4% agarose affinity gels

免疫沉淀（IP）可用于高效、高产量分离和纯化与FLAG®肽标签融合的蛋白质。此过程采用ANTI-FLAG® M2亲和凝胶进行，后者是一种与琼脂糖树脂共价结合的高度特异性单克隆抗体。

The FLAG® Expression System is a proven method to express, purify and detect recombinant fusion proteins. Sigma®, the proven provider of FLAG®, now offers a magnetic bead for immunoprecipitation, protein purification, and the study of protein-protein interactions. The ANTI-FLAG® M2 Magnetic Bead is composed of murine derived, anti-FLAG® M2 monoclonal antibody attached to superparamagnetic iron impregated 4% agarose beads, with an average diameter of 50 µm. The M2 antibody is capable of binding to fusion proteins containing a FLAG peptide sequence at the N-terminus, Met-N-terminus, or C-terminus locations in mammalian, bacterial, and plant extracts.

FLAG®表达系统是一种表达、纯化和检测重组融合蛋白的成熟方法。作为FLAG®的可靠供应商，Sigma®现提供FLAG标签抗体标记的免疫磁珠，用于免疫沉淀、蛋白纯化和蛋白互作研究。ANTI-FLAG® M2磁珠由ANTI-FLAG® M2鼠单克隆抗体与超顺磁铁包覆的4%琼脂糖微珠偶联而成，平均粒径50 µM。M2抗体可结合哺乳动物、细菌和植物提取物融合蛋白N端、Met-N端或C端的FLAG®肽。

用于纯化重组蛋白的蛋白纯化技术、试剂和方法包括离子交换、排阻层析和蛋白亲和层析。

Find protein research tools to prepare, isolate, and analyze proteins. Organized by how to extract, protect, purify, enrich, modify, and quantify proteins.

Protein purification techniques, reagents, and protocols for purifying recombinant proteins using methods including, ion-exchange, size-exclusion, and protein affinity chromatography.