Name Spike RBD protein (SARS-CoV-2 UK variant "alpha") Description C-terminal His-tagged recombinant spike RBD (N501Y) protein (aa 319-541) (SARS-CoV-2 UK Kent variant, B.1.1.7, "Alpha", 20I/501Y.V1) (GISAID No. EPI_ISL_601443) 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 |