Three binding sites for C/EBP proteins are found in the human immunodeficiency virus type 1 ( HIV-1 ) long terminal repeat ( LTR ) ( V . M . Tesmer , A . Rajadhyaksha , J . Babin , and M . Bina , Proc . Natl . Acad . Sci . USA 90 : 7298-7302 , 1993 ) .
three binding sites for c/ebp proteins are found in the human immunodeficiency virus type 1 ( hiv-1 ) long terminal repeat ( ltr ) ( v . m . tesmer , a . rajadhyaksha , j . babin , and m . bina , proc . natl . acad . sci . usa 90 : 7298-7302 , 1993 ) .
O O O O B-protein_family_or_group I-protein_family_or_group O O O O B-virus I-virus I-virus I-virus I-virus O B-virus O O O O O B-DNA_domain_or_region O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O