重组新冠病毒 Spike S1 (mutations) 蛋白 (His标签)（产品说明）
蛋白名称：Recombinant SARS-CoV-2 Spike S1 (mutations) Protein (His Tag)

蛋白构建：A DNA sequence encoding the SARS-CoV-2 Spike S1 (YP_009724390.1, with mutations T19R, G142D, E156G, 157-158 deletion, L452R, T478K, D614G, P681R) (Met1-Arg685) was expressed with a polyhistidine tag at the C-terminus. The mutations were identified in the SARS-CoV-2 variant (known as variant B.1.617.2) which emerged in the India.

表达宿主：HEK293 Cells

蛋白纯度：> 90 % as determined by SDS-PAGE.

蛋白活性：Immobilized ACE2 Protein, Human, Recombinant (mFc Tag)(Cat:10108-H05H) at 2 μg/mL (100 μL/well) can bind SARS-CoV-2 Spike S1 (T19R, G142D, E156G, 157-158 deletion, L452R, T478K, D614G, P681R) Protein (His Tag)(Cat:40591-V08H23), the EC50 is 30-180ng/mL.

蛋白内毒素：< 1.0 EU per μg protein as determined by the LAL method.

蛋白标签：C-His