tokens: Gel retardation experiments established that this IRE motif formed a protein - RNA complex with cytosolic extracts from human K562 cells and this binding was strongly competed with IRE transcripts from ferritin or transferrin receptor mRNAs .
folded_tokens: gel retardation experiments established that this ire motif formed a protein - rna complex with cytosolic extracts from human k562 cells and this binding was strongly competed with ire transcripts from ferritin or transferrin receptor mrnas .
labels: O O O O O O B-RNA_domain_or_region I-RNA_domain_or_region O O B-protein_subunit I-protein_subunit I-protein_subunit I-protein_subunit O B-cell_component I-cell_component O B-cell_line I-cell_line I-cell_line O O O O O O O B-RNA_family_or_group I-RNA_family_or_group O O O O O O O