The Binding Activity of Human ALPG with Anti-ALPG Recombinant Antibody. Activity: Measured by its binding ability in a functional ELISA. Immobilized Human ALPG (CSB-MP001633HU) at 2 μg/mL can bind Anti-ALPG recombinant antibody , the EC<sub>50</sub> is 14.09-23.17 ng/mL.