Form
Lyophilized powder
Buffer
Reconstitute with distilled water to 0.1-0.5mg/ml. Lyophilized from 0.22μm-filtered PBS (pH7.4).
Preservative
No preservative
Storage
Store at -20ºC or below. After reconstitution, the protein solution is stable at -20 ºC for 1 month, at 4ºC for up to 1 week. Avoid freeze-thaw cycles.
Region/Sequence
Val16-Arg685 of SARS-CoV-2 (COVID-19) Spike S1 protein (Accession #YP_009724390.1) fused with a 6×His tag at the C-terminus.
Expression System
HEK293 cells
Purity
> 90% by SDS-PAGE
Endotoxin
< 1.0 EU/μg (determined by the LAL method)
Conjugation
Unconjugated
Note
For laboratory use only. Not for any clinical, therapeutic, or diagnostic use in humans or animals. Not for animal or human consumption.