Biotinylated SARS-CoV-2 S protein, His,Avitag SPN-C82E5 is expressed from human 293 cells HEK293. It contains AA Val 16 - Pro 1213 A ccession QHD43416.1 HV69-70del, Y144del, N501Y, A570D, D614G, P681H, T716I, S982A, D1118H, R683A, R685A, F817P, A892 1 * 25 µG