tokens: In addition , the macrophage transcription factor PU . 1 binds the CD11b promoter in vitro and in vivo close to the Sp1 site .
folded_tokens: in addition , the macrophage transcription factor pu . 1 binds the cd11b promoter in vitro and in vivo close to the sp1 site .
labels: O O O O O B-protein_family_or_group I-protein_family_or_group O O O O O B-DNA_domain_or_region I-DNA_domain_or_region O O O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region O