Name SARS-CoV-2 S1 Protein of the UK Variant B.1.1.7 Description C-terminal His-tagged recombinant SARS-CoV-2 S1 protein (aa 16-683) of the UK variant B.1.1.7 (also "Alpha", 20I/501Y.V1, Kent variant) (GISAID No. EPI_ISL_601443) Source HEK-293 expressed recombinant SARS-CoV-2 S1 protein of the UK variant B.1.1.7 Application Western blot standard, functional ACE2 binding ELISA, immunogen, etc. Purity > 95% (SDS-PAGE) Endotoxin <0.01 EU per µg of purified protein by LAL test Size 50 µg |