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. 2023 Jul 24;12:64. doi: 10.1186/s40164-023-00423-0

Table 1.

The binding kinetics of DuAb or EDuAb to CD3 and CD19 protein

Method Ligand Analyte Ka(1/Ms) Kd(1/Ms) KD(M) Rmax(RU) Fit Model
CM5 Human CD3E&CD3D hHeterodimer Protein DuAb 3.14E + 05 2.63E-03 4.39E-08 402.1 1:1 binding
CM5 Human CD3E&CD3D hHeterodimer Protein EDuAb 1.89E + 05 7.06E-04 3.82E-08 639.4 1:1 binding
CM5 Human CD19 Protein DuAb 1.44E + 05 5.48E-02 3.80E-07 206.7 1:1 binding
CM5 Human CD19 Protein EDuAb 2.55E + 05 1.65E-02 6.45E-08 85.3 1:1 binding