References: Straus DB, Weiss A. The CD3 chains of the T cell antigen receptor associate with the ZAP-70 tyrosinekinase and are tyrosine phosphorylated after receptor stimulation. J Exp Med. 1993;178:1523-1530.
Chan AC, Iwashima M, Turch CW, Weiss A. ZAP-70: a 70 kd protein-tyrosine kinase that associates with the TCR zeta chain. Cell. 1992;71:649-662.