Mapping of the interaction site of the defective transcription factor in the class II major histocompatibility complex mutant cell line clone-13 to the divergent X2-box .
mapping of the interaction site of the defective transcription factor in the class ii major histocompatibility complex mutant cell line clone-13 to the divergent x2-box .
O O O B-protein_domain_or_region I-protein_domain_or_region O O B-protein_family_or_group B-protein_family_or_group I-protein_family_or_group O O B-cell_line I-cell_line I-cell_line I-cell_line I-cell_line I-cell_line I-cell_line I-cell_line I-cell_line O O B-DNA_domain_or_region I-DNA_domain_or_region O