recent studies using cloned antigen-specific t lymphocytes and monoclonal antibodies directed at their various surface glycoprotein components have led to identification of the human t cell antigen receptor as a surface complex comprised of a clonotypic 90 kda ti heterodimer and the invariant 20 and 25 kda t3 molecules .
C0039194
t lymphocytes
C0034790
t cell antigen receptor