Description
A DNA sequence encoding the SARS-CoV-2 Spike RBD (YP_009724390.1, with mutations R346K, E484K, N501Y) (Arg319-Phe541) was expressed with a polyhistidine tag at the C-terminus. The mutations were identified in the SARS-CoV-2 variant (known as variant B.1.621) which emerged in the South America