a. Affinity of CEA-mAb and BsAbs to antigens. CEA: carcinoembryonic antigen. | ||
Antibody | Affinity (nM) | |
 | Binding to CEA | Binding to CD3 |
CEA -mAb | 4.7±0.3 | - |
CEA -BsAb | 2.3±0.4 | 50.7±7.4 |
CEA -BsAb-WT | 4.6±0.1 | 97.1±5.2 |
b. Affinity of h2E-mAb and BsAbs to antigens. | ||
Antibody | Affinity (nM) | |
 | Binding to Glypican-3 | Binding to CD3 |
h2E-mAb | 47.0±4.1 | - |
h2E-BsAb | 80.5±7.6 | 49.3±2.3 |
h2E-BsAb-WT | 64.2±5.5 | 25.1±9.7 |