Product Overview
Recombinant COVID-19 (Delta) Spike RBD protein(319-541aa), fused with C-terminal hFc Tag, was expressed in HEK293.
Biological Activity
ELISA plate pre-coated by 2 μg/mL (100 μL/well) SARS-CoV-2 (Delta) S protein RBD , hFc Tag can bind Human ACE2 Protein, mFc Tag in a linear range of 4.115–3000 ng/mL.
Storage
Store at -20°C to -80°C for 12 months in lyophilized form. After reconstitution, if not intended for use within a month, aliquot and store at -80°C (Avoid repeated freezing and thawing).Lyophilized proteins are shipped at ambient temperature.