Since the DSE and TRE sites cannot bind CREB/ATF homodimers , we propose a mechanism in which the HIV-1 DSE bind heterodimers composed of both AP-1 and CREB/ATF proteins .
since the dse and tre sites cannot bind creb/atf homodimers , we propose a mechanism in which the hiv-1 dse bind heterodimers composed of both ap-1 and creb/atf proteins .
O O B-DNA_domain_or_region O B-DNA_family_or_group O O O B-protein_molecule O O O O O O O O O O B-DNA_domain_or_region O B-protein_complex O O O O O O O O