SARS-CoV-2 S protein, His Tag SPN-C52H6 is the ectodomain of SARS-CoV-2 S protein that contains AA Val 16 - Pro 1213 Accession QHD4 3416.1 and HV69-70del, Y144del, N501Y, A570D, D614G, P681H, T716I, S982A, D1118H mutations, which have become increasi 1 * 50 µG