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 kd ti heterodimer and the in-variant 20 and 25 kd t3 molecules .
C0039194
t lymphocytes
C0034790
t cell antigen receptor