1. Immobilized Her2/ERBB2 Protein, Human, Recombinant (ECD, His Tag)(Cat:10004-H08H) at 2 μg/ml (100 μl/well) can bind Anti-Erbb2 Antibody (Trastuzumab)(Cat:68046-H002), the EC50 is 10-60 ng/mL.2. Measured by its ability to block anti-ErbB2 mediated inhibition of BT474 huma...