The results showed that the activation of U2 snRNA transcription in B-cells also requires an enhancer comprising both the Oct and at least one Sp 1-binding site .
the results showed that the activation of u2 snrna transcription in b-cells also requires an enhancer comprising both the oct and at least one sp 1-binding site .
O O O O O O O O O O O B-cell_type O O O O O O O B-DNA_domain_or_region O O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O