Mutational analyses of the HIV-1 LTR showed that one C/EBP site is required for normal LTR transcription both before and after cellular activation and that the two 3' C/EBP sites are functionally equivalent .
mutational analyses of the hiv-1 ltr showed that one c/ebp site is required for normal ltr transcription both before and after cellular activation and that the two 3' c/ebp sites are functionally equivalent .
O O O O B-virus B-DNA_domain_or_region O O O B-DNA_domain_or_region I-DNA_domain_or_region O O O O B-DNA_domain_or_region B-other_name O O O O O O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region O O O O