A DNA sequence encoding the human coronavirus (HCoV-OC43) spike protein (S1+S2 ECD) (AVR40344.1) (Met1-Pro1304) was expressed with a polyhistidine tag at the C-terminus.
Formulation
Lyophilized from sterile 20 mM PB, 300 mM NaCl, 10 % glycerol, pH 7.5
Method Type
COVID-19
Molecular Weight
145.1 kDa
Host
Baculovirus-Insect Cells
Purity
> 85 % 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.