Moreover , a dominant negative form of CBP decreased the activity of class II promoters and levels of class II determinants on the surface of cells .
moreover , a dominant negative form of cbp decreased the activity of class ii promoters and levels of class ii determinants on the surface of cells .
O O O O O O O B-protein_molecule O O O O B-DNA_family_or_group I-DNA_family_or_group I-DNA_family_or_group O O O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O O B-cell_component I-cell_component I-cell_component O