When cotransfected with the HIV LTR CAT into CV-1 cells , both the pCD41 and pGD41 clones trans-activated the HIV LTR .
when cotransfected with the hiv ltr cat into cv-1 cells , both the pcd41 and pgd41 clones trans-activated the hiv ltr .
O O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O B-cell_line I-cell_line O O O B-DNA_molecule O B-DNA_molecule O O O B-DNA_domain_or_region I-DNA_domain_or_region O