For this purpose , human GATA-3 , either recombinant or in nuclear extracts , and three natural GATA elements of the HIV-1 long terminal repeat ( sites 1 , 2 , and 3 ) were chosen , in which only site 2 is a noncanonical GATA site .
for this purpose , human gata-3 , either recombinant or in nuclear extracts , and three natural gata elements of the hiv-1 long terminal repeat ( sites 1 , 2 , and 3 ) were chosen , in which only site 2 is a noncanonical gata site .
O O O O B-protein_molecule I-protein_molecule O O O O O B-cell_component I-cell_component O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O O B-virus O O O O O O O O O O O O O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region O O O B-DNA_domain_or_region I-DNA_domain_or_region O