重组新冠病毒 BA.3 (Omicron) Spike S1+S2 trimer 蛋白 (ECD,His 标签)（产品说明）
蛋白名称：SARS-CoV-2 BA.3 (Omicron) Spike S1+S2 trimer Protein (ECD, His Tag)
蛋白构建：A DNA sequence encoding the SARS-CoV-2 (BA.3) Spike S1+S2 (YP_009724390.1, with mutations A67V, H69del, V70del, T95I, G142D, V143del, Y144del, Y145del, N211del, L212I, G339D, S371F, S373P, S375F, D405N, K417N, N440K, G446S, S477N, T478K, E484A, Q493R, Q498R, N501Y, Y505H, D614G, H655Y, N679K, P681H, N764K, D796Y, F817P, A892P, A899P, A942P, Q954H, N969K, K986P, V987P 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 BA.3).
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 BA.3 (Omicron) Spike S1+S2 trimer Protein (His Tag)(Cat:40589-V08H35), the EC50 is 5-15 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 (BA.3) Spike S1+S2 consists of 1227 amino acids and predicts a molecular mass of 136.48 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.