tokens: The GATA-1 autoregulatory enhancer effectively restricts the expression of the LTR-driven proviral transcription unit to the erythroblastic progeny of both human progenitors and mouse-repopulating stem cells .
folded_tokens: the gata-1 autoregulatory enhancer effectively restricts the expression of the ltr-driven proviral transcription unit to the erythroblastic progeny of both human progenitors and mouse-repopulating stem cells .
labels: O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O O B-cell_type I-cell_type O O B-cell_type I-cell_type O B-cell_line I-cell_line I-cell_line O