tokens: Analysis of different CREB mutants with this genetic system indicated that the C-terminal 92 amino acid residues , which include the basic domain and the leucine zipper , are necessary and sufficient to mediate transactivation by Tax .
folded_tokens: analysis of different creb mutants with this genetic system indicated that the c-terminal 92 amino acid residues , which include the basic domain and the leucine zipper , are necessary and sufficient to mediate transactivation by tax .
labels: O O O B-protein_family_or_group I-protein_family_or_group O O O O O O O B-protein_domain_or_region I-protein_domain_or_region I-protein_domain_or_region I-protein_domain_or_region I-protein_domain_or_region O O O O B-protein_domain_or_region I-protein_domain_or_region O O B-protein_substructure I-protein_substructure O O O O O O O B-other_name O B-protein_molecule O