Figure 2.

DS‐5573a binds to IgC1 and IgC2 domains of human B7‐H3. (a) Expression vector‐transfected CHO‐K1 cells were treated with 1 μg/mL DS‐5573a (open histogram) or isotype control (gray histogram) and were stained with FITC‐conjugated anti‐human antibody. (b) Cells were treated with 1 μg/mL anti‐FLAG mAb (open histogram) or isotype control (gray histogram) and were stained with FITC‐conjugated anti‐mouse antibody.