tokens: The variant Id-3L protein is functionally distinguishable from conventional Id-3 since in in vitro DNA mobility shift assays , it was greatly impaired in its ability to abrogate binding of the basic helix-loop-helix protein , E47 , to an E box recognition sequence .
folded_tokens: the variant id-3l protein is functionally distinguishable from conventional id-3 since in in vitro dna mobility shift assays , it was greatly impaired in its ability to abrogate binding of the basic helix-loop-helix protein , e47 , to an e box recognition sequence .
labels: O O B-protein_molecule I-protein_molecule O O O O O B-protein_molecule O O B-other_name I-other_name I-other_name I-other_name I-other_name I-other_name O O O O O O O O O O O O O O B-protein_family_or_group I-protein_family_or_group O B-protein_molecule O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O