|Product Name||SARS-CoV-2 Trimeric Spike|
|Form/Appearance||PBS pH 7.4|
|Storage||Store at -70°C upon receipt. Recommended to aliquot into smaller quantities. Avoid repeated freeze-thaw cycles. Shipping on dry ice.|
|Note||For research use only.|
Protein contains amino acids 14-1211, plus two extra amino acids (AS) in N-terminus, trimerization domain and His-6 tag at C-terminus, GS linker between protein and trimerization domain and GSG linker between trimerization domain and His-tag. Furin cleavage (RRAR) site between Spike S1 and S2 is mutated (GSAS). Also, two stabilizing prolines (PP) have been added to the S2 domain.