tokens: The binding activity of transcription factor AP-1 , which consists of dimers of Fos and Jun family proteins , was also studied using a gel shift assay .
folded_tokens: the binding activity of transcription factor ap-1 , which consists of dimers of fos and jun family proteins , was also studied using a gel shift assay .
labels: O O O O O O B-protein_molecule O O O O O O O O O O O O O O O O O B-other_name I-other_name I-other_name O