SARS-CoV-2 S1 protein, Fc Tag (S1D-C5253) is expressed from human 293 cells (HEK293). It contains AA Val 16 - Arg 685 (Accession # Q HD43416.1). The mutations (L18F, T20N, P26S, D138Y, R190S, K417T, E484K, N501Y, D614G, H655Y) were identified in the 1 * 100 µG