The class II transactivator CIITA is required for transcriptional activation of the major histocompatibility complex ( MHC ) class II genes .
the class ii transactivator ciita is required for transcriptional activation of the major histocompatibility complex ( mhc ) class ii genes .
O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group B-protein_molecule O O O O O O O B-DNA_family_or_group I-DNA_family_or_group I-DNA_family_or_group I-DNA_family_or_group I-DNA_family_or_group I-DNA_family_or_group I-DNA_family_or_group I-DNA_family_or_group I-DNA_family_or_group O