Name Spike RBD protein (SARS-CoV-2 South Africa variant "Beta") Description C-terminal 6xHis-tagged recombinant spike RBD (K417N, E484K, N501Y) protein (aa 319-541) (SARS-CoV-2 South Africa variant B.1.351, "Beta", 20H/501.V2) (GISAID No. EPI_ISL_736980) Source Glycosylated recombinant viral protein expressed and purified from HEK293 cells Application Western blot standard, antibody ELISA, immunogen, etc. Purity > 95% (SDS-PAGE) Endotoxin <0.1 EU per µg of purified protein by LAL test Size 50 µg |