The Binding Activity of SARS-CoV-2-N Antibody-N Antibody, HRP conjugated with SARS-CoV-2-N. Activity: Measured by its binding ability in a functional ELISA. Immobilized SARS-CoV-2-N (CSB-EP3325GMY) at 2 μg/ml can bind SARS-CoV-2-N Antibody, HRP conjugated, the EC<sub>50</sub> is 188.35 ng/ml.