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. 2021 Jun 24;10(1):1943180. doi: 10.1080/2162402X.2021.1943180

Table 1.

Affinity of IBI323, IBI110 and Bi127 to human PD-L1 and LAG-3 measured by SPR

Antibody Antigen ka (1/Ms) kd (1/s) KD (M)
IBI323 hLAG-3 2.45 (± 0.01) E05 1.69 (± 0.36) E-04 6.71 (± 1.34) E-10
IBI110 2.59 (± 0.27) E05 1.73 (± 0.34)E-04 6.77 (± 1.80) E-10
IBI323 hPD-L1 9.17 (± 0.62) E05 1.21 (± 0.14) E-04 1.32 (± 0.07) E-11
Bi127 2.16 (± 0.06) E06 1.80 (± 0.05) E-04 8.33 (± 0.01) E-11