tokens: Although p45 mRNA is transcribed from two different promoters , aNF-E2 promoter and fNF-E2 promoter , in erythroid and megakaryocytic lineage cells , p45 mRNA is transcribed only from aNF-E2 promoter .
folded_tokens: although p45 mrna is transcribed from two different promoters , anf-e2 promoter and fnf-e2 promoter , in erythroid and megakaryocytic lineage cells , p45 mrna is transcribed only from anf-e2 promoter .
labels: O B-protein_molecule O O O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region O B-DNA_domain_or_region I-DNA_domain_or_region O O O O O O O O B-protein_molecule O O O O O B-DNA_domain_or_region I-DNA_domain_or_region O