tokens: We expressed these factors in S . cerevisiae and observed greater than 5-fold stimulation of a lacZ reporter gene only with Oct-2 .
folded_tokens: we expressed these factors in s . cerevisiae and observed greater than 5-fold stimulation of a lacz reporter gene only with oct-2 .
labels: O O O O O B-mono_cell I-mono_cell I-mono_cell O O O O O O O O B-DNA_molecule I-DNA_molecule I-DNA_molecule O O B-protein_molecule O