tokens: However , no combination of CBF alpha and CBF beta subunits that we tested was able to distinguish the 1-bp difference in transcription assays .
folded_tokens: however , no combination of cbf alpha and cbf beta subunits that we tested was able to distinguish the 1-bp difference in transcription assays .
labels: O O O O O B-protein_subunit I-protein_subunit O B-protein_subunit I-protein_subunit O O O O O O O O O B-other_name I-other_name O B-other_name I-other_name O