tokens: Binding of the 65-kDa plus 50-kDa heterodimer to the HIV-1 enhancer can be negatively regulated in monocytes , providing one mechanism restricting HIV-1 gene expression .
folded_tokens: binding of the 65-kda plus 50-kda heterodimer to the hiv-1 enhancer can be negatively regulated in monocytes , providing one mechanism restricting hiv-1 gene expression .
labels: O O O B-protein_subunit O B-protein_complex I-protein_complex O O B-virus O O O O O O B-cell_type O O O O O B-virus O O O