Recombinant Sars-Cov-2 Spike Glycoprotein (S) Protein (His-sumostar), Active

Product Overview Description Recombinant Sars-Cov-2 Spike Glycoprotein (S) Protein (His-sumostar), Active is produced by our Yeast expression system. This is a protein fragment. Purity Greater than 90% as determined by SDS-PAGE. Endotoxin Less than 1.0 EU/ug as determined by LAL method. Activity 1. Measured by its binding ability in a functional ELISA. Immobilized SARS-CoV-2-S1-RBD at 2 μg/ml can bind SARS-CoV-2-S Antibody , the EC 50 of SARS-CoV-2-S1-RBD protein is 19.60-39.42 ng/ml. 2. Measured by its binding ability in a functional ELISA. Immobilized SARS-CoV-2-S1-RBD at 5 μg/ml can bind human ACE2 , the EC 50 of SARS-CoV-2-S1-RBD protein is 31.80 - 44.69 ng/ml. 3. Measured by its binding ability in a functional ELISA. Immobilized SARS-CoV-2-S1-RBD at 2 μg/ml can bind SARS-CoV-2-S Antibody , the EC 50 of SARS-CoV-2-S1-RBD protein is 13.48-19.50 ng/ml. 4. SARS-CoV-2 Spike protein RBD his/sumostar tag captured on COOH chip can bind Human ACE2 protein Fc tag with an affinit