Biotinylated SARS-CoV-2 Spike NTD, His,Avitag (B.1.1.529/Omicron) (SPD-C82H4) is expressed from human 293 cells (HEK293). It contain s AA Ser 13 - Leu 303 (Accession # QHD43416.1 (A67V, HV69-70del, T95I, G142D, VYY143-145del, N211del, L212I, ins214EP 1 * 200 µG