tokens: A new member of the leucine zipper class of proteins that binds to the HLA DR alpha promoter .
folded_tokens: a new member of the leucine zipper class of proteins that binds to the hla dr alpha promoter .
labels: O O O O O B-protein_substructure I-protein_substructure O O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O