SARS-CoV-2 Spike RBD (L452R, E484Q), Fc Tag (SPD-C525d) is expressed from human 293 cells (HEK293). It contains AA Arg 319 - Lys 537 (Accession # QHD43416.1 (L452R, E484Q)). The mutations (L452R, E484Q) were identified in the SARS-CoV-2 variants whi 1 * 100 µG