In vivo modification of major histocompatibility complex class II DRA promoter occupancy mediated by the AIR-1 trans-activator .
in vivo modification of major histocompatibility complex class ii dra promoter occupancy mediated by the air-1 trans-activator .
O O O O B-protein_complex I-protein_complex I-protein_complex I-protein_complex I-protein_complex O O O O O O B-protein_molecule I-protein_molecule O