A DNA sequence encoding the SARS-CoV-2 (2019-nCoV) spike protein S1 Subunit (YP_009724390.1) (Val16-Arg685) was expressed with a polyhistidine tag at the C-terminus. The purified protein was biotinylated in vitro.
Formulation
Lyophilized from sterile PBS, pH 7.4.
Method Type
COVID-19
Molecular Weight
76.5kDa
Host
HEK293
Purity
> 90% as determined by reducing SDS-PAGE.
Storage
Lyophilized proteins are stable for up to 12 months when stored at-20 to-80°C. Reconstituted protein solution can be stored at 4-8°C for 2-7 days. Aliquots of reconstituted samples are stable at <-20°C for 3 months.