SARS-CoV-2 Spike S1+S2 Protein (T19R & L452R & E484Q & D614G & P681R & D950N & G142D, His & Avi), Biotinylated is expressed in Baculovirus insect cells with His and Avi tag. The predicted molecular weight is 136.36 kDa and the accession number is A0A6G7K
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