Biospecific bivalent antibodies include light and heavy chains of an antibody that binds to the first antigen dominated by CH1 instead of CH3, and a light and heavy chain of an antibody that binds to the second antigen, in which CH3 is dominated by chlorine instead of Met. Prepare, and compose.

摘要

Biological specific bivalent antibody includes a light and heavy chain of antibody, which is connected with the first antigen with ch1 instead of CH3, and a light and heavy chain with CH3 instead of chlorine; preparation method and composition.