A 275 basepair fragment at the 5' end of the interleukin 2 gene enhances expression from a heterologous promoter in response to signals from the T cell antigen receptor.

Durand DB, Bush MR, Morgan JG, Weiss A, Crabtree GR. A 275 basepair fragment at the 5' end of the interleukin 2 gene enhances expression from a heterologous promoter in response to signals from the T cell antigen receptor. J Exp Med. 1987 Feb 01; 165(2):395-407.