重组新冠病毒Coronavirus spike蛋白（产品说明）
蛋白名称：SARS-COV-2 NB.1.8.1 (Omicron) Spike S1+S2 trimer Protein (His Tag) (MALS-verified)
蛋白构建：A DNA sequence encoding the SARS-CoV-2 (NB.1.8.1) Spike S1+S2 (YP_009724390.1, with mutations ins16MPLF, T19I, R21T, T22N, del24/25/26, A27S, S50L, F59S, del69/70, V127F, G142D, del144, F157S, R158G, G184S, del211, L212I, V213G, L216F, H245N, A264D, I332V, G339H, K356T, S371F, S373P, S375F, T376A, R403K, D405N, R408S, K417N, A435S, N440K, V445H, G446S, N450D, L452W, L455S, F456L, N460K, S477N, T478I, N481K, del483, E484K, F486P, Q493E, Q498R, N501Y, Y505H, E554K, A570V, D614G, P621S, H655Y, N679K, P681R, R682G, R683S, R685S, N764K, D796Y, F817P, A892P, A899P, S939F, A942P, Q954H, N969K, K986P, V987P, P1143L 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 NB.1.8.1).
表达宿主：HEK293 Cells
蛋白纯度：≥ 90 % as determined by SDS-PAGE. ≥ 90 % as determined by SEC-MALS.Immobilized Recombinant Human ACE2 / Angiotensin-Converting Enzyme 2 Protein (Fc Tag) (Cat: 10108-H02H) at 2 μg/mL (100 μL/well) can bind Recombinant SARS-COV-2 NB.1.8.1 (Omicron) Spike S1+S2 trimer Protein (His Tag) (Cat: 40589-V08H71), the EC50 is 3-10 ng/mL (QC tested).
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 (NB.1.8.1) Spike S1+S2 trimer consists of 1227 amino acids and predicts a molecular mass of 136.46 kDa. The molecular weight of this protein is around 502.7 kDa verified by SEC-MALS.
蛋白NP号：YP_009724390.1
蛋白氨基酸序列：Met1-Gln1208