Biotinylated SARS-CoV-2 S protein, His,Avitag SPN-C82E4 is expressed from human 293 cells HEK293. It contains AA Val 16 - Pro 1213 A ccession QHD43416.1 L18F, D80A, D215G, 242-244del, R246I, K417N, E484K, N501Y, D614G, A701V, R683A, R685A,F817P, A89 1 * 200 µG