KIR2DL1 IgG Fc fusion protein expressed in COS 7 cells successfully and the protein can mimic the natural KIR2DL1 protein and is used as a potential tool in the recognition of its ligands.

• KIR2DL1 Ig融合蛋白表达载体成功构建并在COS 7细胞中获得功能性表达 ,为KIR2DL1的功能及其配体MHC的研究奠定了基础