The characterization of CIITA mutants that are able to discriminate between promoters with or without the W box strongly suggests that CIITA requires such interactions for function .
the characterization of ciita mutants that are able to discriminate between promoters with or without the w box strongly suggests that ciita requires such interactions for function .
O O O B-protein_molecule O O O O O O O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region O O O B-protein_molecule O O O O O O