Figure 1: Structural features of monoclonal antibody for antigen binding and immune responses. ADCC, Antibody-Dependent Cellmediated Cytotoxicity; CDC, Complement-Dependent Cytotoxicity; CDR: Complementarity-Determining Region; CH:Constant Region Heavy Chain; CL: Constant Region Light Chain;FcRn: Neonatal Fc Receptor; VH: Variable Region Heavy Chain; VL:Variable Region Light Chain.