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Sino Biological SARS-CoV-2 Spike S1+S2 trimer Protein (ECD, His & AVI Tag), Biotinylated 20ug
Supplier: Sino Biological 40589V49HB20

A DNA sequence encoding the SARS-CoV-2 Spike S1+S2 (YP_009724390.1, with mutations D614G,F817P, A892P, A899P,A942P, K986P, V987P and furin cleavage site mutants) was expressed with bacteriophage T4 fibritin and a C-terminal polyhistidine tagged AVI tag at the C-terminus. The expressed protein was biotinylated in vivo by the Biotin-Protein ligase (BirA enzyme) which is co-expressed.
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