SARS-CoV-2 trimeric spike protein (D614G)

  Mopdification C-terminal transmembrane region replaced with a trimerization domain and a polyhistidine tag. Two stabilizing proline mutations and scrambled S1/S2 furin cleavage site (see reference). D614G mutation. Isolate (Seq ID) Wuhan-Hu-1 (GenBank: MN908947), D614G mutation Expression System CHOExpressTM cells Purity > 90 % as determined by SDS-PAGE Conjugate  His N-terminus VNLT Molecular Weight The recombinant SARS-CoV-2 trimeric spike protein consists of 3576 amino acids with a predicted molecular mass of ~400 kDa Endotoxin Format Liquid Concentration 1.0 mg/ml Buffer 0.01M PBS, pH 7.4 Preservative  None Storage Store at -20°C to -80°C. Avoid repeated freeze-thaw cycles. Ship  Shipped on dry ice