Recombinant Anti-CD20 x Anti-CD28 Bispecific Antibody (VHH-Fc-VHH, Tetravalent HCAb) is a fusion protein of two diabodies connected together by an Fc region. In a diabody, the two VHHs with short linkers are from anti-CD20 and anti-CD28 antibodies. The VH and VL domains form an inter-chain pairing. The diabody with different specificities is fused to the Fc fragment, which results in 2+2 antigen-binding valency and exerts Fc-mediated functions or just extends the half-life. This BsAb can retarget T cells to tumor cells. It is designed for the research of Lymphoma therapy.
Constant Domain-extended Bispecific Fragments
FuncS; Promising therapeutic agent
MS4A1; membrane-spanning 4-domains, subfamily A, member 1; B1; S7; Bp35; CD20; CVID5; MS4A2; LEU-16; B-lymphocyte antigen CD20; CD20 antigen; CD20 receptor; leukocyte surface antigen Leu-16; B-lymphocyte cell-surface antigen B1
CD3; CD3E; CD3e molecule; Cluster of differentiation 3; CD3e molecule, epsilon (CD3-TCR complex); T3E; TCRE; IMD18; T-cell surface glycoprotein CD3 epsilon chain; CD3-epsilon; T-cell surface antigen T3/Leu-4 epsilon chain; CD3e antigen, epsilon polypeptide (TiT3 complex); T-cell antigen receptor complex, epsilon subunit of T3
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