Biotinylated SARS-CoV-2 S protein, His,Avitag SPN-C82E6 is expressed from human 293 cells HEK293. It contains AA Val 16 - Pro 1213 A ccession QHD43416.1 L18F, T20N, P26S, D138Y, R190S, K417T, E484K, N501Y, D614G, H655Y, T1027I, V1176F, R683A, R685A, 1 * 25 µG