The Binding Activity of CCR9 with Anti-CCR9 recombinant antibody. Activity: Measured by its binding ability in a functional ELISA. Immobilized Human CCR9 at 10 μg/mL can bind Anti-CCR9 recombinant antibody (CSB-RA004848MA1HU). The EC<sub>50</sub> is 31.67-36.83 ng/mL.The VLPs (CSB-MP3838) is negative control.