Functional analysis of cis-linked regulatory sequences in the HLA DRA promoter by transcription in vitro .
functional analysis of cis-linked regulatory sequences in the hla dra promoter by transcription in vitro .
O O O B-DNA_family_or_group I-DNA_family_or_group I-DNA_family_or_group O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O B-other_name O O O