Product Name :
Recombinant SARS-COV-2 Spike RBD (Omicron BA.4/BA.5/BA.5.1.3/BA.5.2) Protein, His Tag
Description :
FAQ COA 已发表文献 Coronaviruses are commonly comprised of four structural proteins: Spike protein (S), Envelope protein (E), Membrane protein (M) and Nucleocapsid protein (N) . The SARS-CoV-2 S protein is a glycoprotein that mediates membrane fusion and viral entry. The S protein is homotrimeric, with each ~180-kDa monomer consisting of two subunits, S1 and S2 . The RBD of SARS-CoV-2 binds a metallopeptidase, angiotensin-converting enzyme 2 (ACE-2). 产品性质 别名 S protein RBD; S glycoprotein RBD; Spike protein RBD Accession QHD43416.1 Recombinant SARS-CoV-2 Spike RBD (Omicron BA.4/BA.5/BA.5.1.3/BA.5.2) Protein is expressed from Expi293 with His tag at the C-terminal. It contains Arg319-Phe541(G339D, S371F, S373P, S375F, T376A, D405N, R408S, K417N, N440K, L452R, S477N, T478K, E484A, F486V, Q498R, N501Y, Y505H). 分子量 Approximately 26.05 kDa. Due to glycosylation, the protein migrates to 35-45 kDa based on Tris-Bis PAGE result. > 95% as determined by SDS-PAGE and HPLC. ELISA DataImmobilized SARS-CoV-2 Spike RBD (Omicron BA.4/BA.5/BA.5.1.3/BA.5.2) , His Tag at 1g/ml (100l/Well) on the plate. Dose response curve for Human ACE2, hFc Tag with the EC50 of 39.7ng/ml determined by ELISA. 内毒素 1.0EU per 1g of the protein by the LAL method. Lyophilized from 0.22m filtered solution in PBS (pH 7.4). 复溶 Centrifuge tubes before opening. Reconstituting to a concentration more than 100 g/mL is recommended (usually we use 1mg/mLsolution for lyophilization). Dissolve the lyophilized protein in distilled water.
Storage :
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