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Intact mass analyses. (A) The deconvoluted MW of the anti-EGFR/HER2 BsAb. (B) The deconvoluted MW of the anti-CD20/CD20 BsAb. MWs in red indicate the theoretical mass with C-terminal lysine clipping and MWs in blue indicate the observed mass. Anti-CD20 monospecific Ab (1) and anti-CD20 monospecific Ab (2) contain Fab corresponding to rituximab and obinutuzumab monoclonal antibodies, respectively.
