Deletion of the EBNA2-dependent enhancer located upstream of Cp resulted in a ca . two- to fivefold reduction in Cp activity in the LCLs assayed .
deletion of the ebna2-dependent enhancer located upstream of cp resulted in a ca . two- to fivefold reduction in cp activity in the lcls assayed .
O O O B-DNA_domain_or_region I-DNA_domain_or_region O O O B-DNA_domain_or_region O O O O O O O O O O B-DNA_domain_or_region O O O B-cell_line O O