Mutagenesis of NF kappa B or Sp-1 elements within the LTR resulted in no change in the ability of CD8+ T cell supernatants to inhibit Tat- or mitogen- mediated LTR transcription .
mutagenesis of nf kappa b or sp-1 elements within the ltr resulted in no change in the ability of cd8+ t cell supernatants to inhibit tat- or mitogen- mediated ltr transcription .
O O O O O O O O O O B-DNA_domain_or_region O O O O O O O O B-cell_type I-cell_type I-cell_type O O O O O O O O O O