Transcription of the hypersensitive site HS2 enhancer in erythroid cells .
transcription of the hypersensitive site hs2 enhancer in erythroid cells .
B-other_name O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O B-cell_type I-cell_type O