【Derived From】： E.coli

【Endotoxin】： Not measured

【Amino Acid】： S2 Subunit_686–986aa with 78 mutations

【Purity】： ≥85% by SDS-PAGE.

【Name】： SARS-CoV-2 (2019-nCoV) Spike S2

【Full Name】： SARS-CoV-2 (2019-nCoV) Spike S2

【Uniprot】： P0DTC2

【Gene ID】： 43740568

【Mol Mass】： 32kDa

【Application】： Immunology research

【Purification】： NI-NTA affinity purification

【Bioactive】： No activity experimental data，to be verified.

【Tag】： With a 6×His tag at the N/C-terminus.

【Concentration】： 1mg/ml by SDS-PAGE.

【Reconstitution】： Reconstituted protein solution can be diluted with distilled water. Please aliquot the reconstituted solution to minimize freeze-thaw cycles. (It is not recommended to reconstitute to a concentration less than 10μg/ml. Dissolve the lyophilized protein in distilled water.)

【Storage】： Reconstituted protein solution can be stored at 4-7℃ for 2-7 days，stored at < -20℃ for 1 year.

【Formulation】： Powder: Lyophilized from a 0.2 μm filtered solution of 20mM Tris-HCl，150mM NaCl，1mM DTT，PH7.2-8.0. (Or liquid with 5% glycerol.)