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. 2024 Feb 15;10:79. doi: 10.1038/s41420-024-01845-3

Table 2.

Functional analysis of antigen binding properties.

Antibody Kd (pM)
Trastuzumab-Qtag2 92.1 ± 3.1
TrastuzumabKdel-Qtag2 66.2 ± 2.9
TrastuzumabKdel-Qtag2-PEG4-VC-MMAE 85.3 ± 2.8

Biacore surface plasmon resonance analysis of anti-human IgG FC captured (AHC biosensor) recombinant antibodies and conjugates with rhu-HER2 protein. KD, affinity constant.