重组新冠病毒 BJ.1(Omicron) Spike S1+S2 trimer 蛋白(ECD,His 标签)（产品说明）
蛋白名称：SARS-CoV-2 BJ.1 (Omicron) Spike S1+S2 trimer Protein (ECD, His Tag)
蛋白构建：A DNA sequence encoding the SARS-CoV-2 (BJ.1) Spike S1+S2 (YP_009724390.1, with mutations T19I, del24-26, A27S, V83A, G142D, del145Y, H146Q, Q183E, V213E, G339H, R346T, L368I, S371F, D405N, R408S, K417N, N440K, V445P, G446S, S477N, T478K, V483A, E484A, F490V, Q493R, Q498R, N501Y, Y505H, D614G, H655Y, N679K, P681H, N764K, D796Y, G798D, F817P, A892P, A899P, A942P, Q954H, N969K, K986P, V987P, S1003I and furin cleavage site mutants) expressed with the bacteriophage T4 fibritin and a polyhistidine tag at the C-terminus. The mutations were identified in the SARS-CoV-2 variant (known as variant BJ.1).
表达宿主：HEK293 Cells
蛋白纯度：> 90 % as determined by SDS-PAGE. > 90 % as determined by SEC-HPLC.
蛋白活性：Immobilized human ACE2 protein (Fc tag)(Cat: 10108-H05H) at 2 μg/mL (100 μL/well) can bind Recombinant SARS-CoV-2 BJ.1(Omicron) Spike S1+S2 trimer Protein(ECD,His Tag)(Cat:40589-V08H44), the EC50 is 2.6-7.8 ng/mL.
蛋白内毒素：< 1.0 EU per μg protein as determined by the LAL method.
预测N端：Val 16
蛋白分子量：The recombinant SARS-CoV-2 (BJ.1) Spike S1+S2 consists of 1229 amino acids and predicts a molecular mass of 136.60 kDa.
蛋白NP号：YP_009724390.1
蛋白氨基酸序列：Met1-Gln1208
蛋白标签：C-His
蛋白保存条件：Store it under sterile conditions at -20℃ to -80℃. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.