Recombinant Anti-CD28 x Anti-CD3 Bispecific Antibody (IgG-VHH) is designed to be expressed as a LC and an extended HC with VHH moiety linked to the C terminus. It is a symmetric bispecific and tetravalent molecule, bivalent for each antigen specificity, 2+2 antigen-binding valency. This BsAb can improve T-cell activation. It is designed for the research of Tumors therapy.
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