tokens: Downstream activation of a TATA-less promoter by Oct-2 , Bob1 , and NF-kappaB directs expression of the homing receptor BLR1 to mature B cells .
folded_tokens: downstream activation of a tata-less promoter by oct-2 , bob1 , and nf-kappab directs expression of the homing receptor blr1 to mature b cells .
labels: O O O O B-DNA_domain_or_region I-DNA_domain_or_region O B-protein_molecule O O O O B-protein_complex O O O O B-protein_molecule I-protein_molecule B-protein_molecule O B-cell_type I-cell_type I-cell_type O