Table 1.
Biological characterization of WT mAb1 and the mutants
| Mutation | aNormalized G0-F | ADCC potency | FcγRIIIa-binding affinity, KD (nM) | Antigen-binding affinity, KD (nM) |
|---|---|---|---|---|
| WT | 6.52% | 100.0 ± 6.7% | 266 ± 3 | 113 |
| HC: N201A,N203A,K210A | 6.43% | 111.5 ± 3.5% | 274 ± 8 | 119 |
| HC: N201G,N203D,K210A | 6.41% | 120.5 ± 0.5% | 273 ± 8 | 125 |
Normalized G0-F = [G0-F ÷ (G0-F + G0)] × 100%; detailed glycosylation profile is shown in Table S2.