Immunogen sequence: NEEMGGITQT PYKVSISGTT VILTCPQYPG SEILWQHNDK NIGGDEDDKN IGSDEDHLSL KEFSELEQSG YYVCYPRGSK PEDANFYLYL RARVCENCME MD. The CD3 complex, composed of gamma, delta, epsilon, and zeta subunits, is essential for the assembly, trafficking, and s