Both CIITA and Bob1 increase the expression from the DRA promoter , which is a prototypic class II promoter .
both ciita and bob1 increase the expression from the dra promoter , which is a prototypic class ii promoter .
O B-protein_molecule O B-protein_molecule O O O O O B-DNA_domain_or_region I-DNA_domain_or_region O O O O O B-DNA_family_or_group I-DNA_family_or_group I-DNA_family_or_group O