SARS-CoV-2 Spike RBD (L452R, T478K, N501Y), His Tag (SPD-C5225) is expressed from human 293 cells (HEK293). It contains AA Arg 319 - Lys 537 (Accession # QHD43416.1 (L452R, T478K, N501Y)). The mutations (L452R, T478K, N501Y) were identified in the S 1 * 100 µG