located on chromosome 17q. There are two
transcripts, 579 bp and 1503 bp, which are generated
through alternative polyadenylation sites.1 The human
cDNA is constitutively expressed by liver parenchymal
al. (1989). The biologic roles of CD2, CD4, and CD8 in T-cell activation. Ann.
Rev. Immunol. 7:579-599.
Jefferies, W.A et al (1985). Authentic T helper CD4 (W3/25) antigen on rat peritoneal