Spike RBD (B.1.1.7), Avi-His-Tag (SARS-CoV-2)

Recombinant SARS-CoV-2 Spike protein, RBD (Receptor Binding Domain) encompassing amino acids 319-541. This protein corresponds to SARS-CoV-2 Variant, originally identified in the United Kingdom and contains mutations N501Y, A570D, D614G, P681H, T716I, S982A, D1118, deletions: 21765:6 (69-70HV), 21991:3 (44Y). It also contains a C-terminal Avi-Tag(TM) and a C-terminal His-tag. The recombinant protein is >90% pure following high affinity Ni-NTA purification.