The Binding Activity of GLP1R with anti-GLP1R antibody. Activity: Measured by its binding ability in a functional ELISA. Immobilized Human GLP1R(CSB-MP009514HUb1) at 2 μg/mL can bind Anti-GLP1R recombinant antibody, the EC<sub>50</sub> is 54.54-94.23 ng/mL.