tokens: The promoter region lacked a TATA box but contained potential binding sites for the transcriptional factors including two Sp1 , CRE , Myb and NFkB located at positions -153 , -178 , -286 , -875 , and -1011 , respectively .
folded_tokens: the promoter region lacked a tata box but contained potential binding sites for the transcriptional factors including two sp1 , cre , myb and nfkb located at positions -153 , -178 , -286 , -875 , and -1011 , respectively .
labels: O B-DNA_domain_or_region I-DNA_domain_or_region O O B-DNA_domain_or_region I-DNA_domain_or_region O O O O O O O B-protein_family_or_group I-protein_family_or_group O O B-protein_molecule O B-protein_molecule O B-protein_molecule O B-protein_molecule O O O O O O O O O O O O O O O O