The spike protein (S) of coronavirus (CoV) attaches the virus to its cellular receptor, angiotensin-converting enzyme 2 (ACE2) . A defined receptor-binding domain (RBD) on S mediates this interaction.

高活性、高纯度、低内毒素、高批间一致性

ELISA Data : Immobilized Human ACE2, His Tag at 5μg/ml (100μl/well) on the plate. Dose response curve for SARS-COV-2 Spike S1, hFc Tag with the EC50 of 59.7ng/ml determined by ELISA .

SPR Data: Biotinylated Human ASGR1, His Tag captured on CM5 Chip via Anti-his antibody can bind SARS-COV-2 Spike S1, hFc Tag with an affinity constant of 0.132 μM as determined in SPR assay .

-85~-65℃保存，收到货之日起，有效期1年。建议分装蛋白为一次实验使用量，分装后，-80℃冻存。避免反复冻融。