tokens: The NF90 protein was found to be expressed not only in T-cells , but also in nonimmune HeLa cells .
folded_tokens: the nf90 protein was found to be expressed not only in t-cells , but also in nonimmune hela cells .
labels: O B-protein_subunit O O O O O O O O O B-cell_type O O O O B-cell_line I-cell_line I-cell_line O