Lyophilized from 0.22 μm-filtered PBS (pH 7.4). Reconstitute with distilled water to a concentration of 0.1-0.5 mg/mL.
Store at -20ºC or below. After reconstitution, keep as concentrated solution. Avoid freeze-thaw cycles.
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.
> 95% by SDS-PAGE
< 0.1 EU/μg (determined by LAL method)
For laboratory use only. Not for any clinical, therapeutic, or diagnostic use in humans or animals. Not for animal or human consumption.