Application Note: Activity was measured by its binding ability in a functional ELISA. Immobilized Recombinant SARS-CoV-2 (COVID-19) Spike RBD protein at 2 μg/mL (100 μL/well) can bind Recombinant Human ACE2 with a linear range of 8-80 ng/mL.
Form: Lyophilized powder
Buffer (with preservative): Reconstitute with distilled water to 0.1-0.5mg/ml. Lyophilized from 0.22μm-filtered PBS (pH7.4), no preservative.
Concentration:
Region Sequence: Arg319-Phe541 of SARS-CoV-2 (COVID-19) Spike RBD protein (Accession #YP_009724390.1) fused with a 6×His tag at the C-terminus.