Beckman Cd3-Rd1, Ucht1, 50 Tests, Ce, Ivd

Beckman cd3ζ see tcrζ in human non-cd antigens section. the cd3 antigen is a complex of 5 invariable polypeptidic chains, γ, δ, ε, ζ and η, whose molecular weights are respectively 25-28, 21, 20, 16 and 22 kda. the ζ chain occurs in the cd3 complex as a disulphide linked homodimer or as a heterodimer with the η chain. cd3 is part of a bigger complex which includes the t cell receptor (tcr). this complex is expressed by mature t cells and by thymocytes. t cell activation may be induced when a foreign antigen is presented to the tcr through mhc complex. - BKMPFZ (Additional S&H Or Hazmat Fees May Apply)