This unidentified factor binds immediately 3' of the PU . 1 /Elf-1 sites and appears to be myeloid cell specific .
this unidentified factor binds immediately 3' of the pu . 1 /elf-1 sites and appears to be myeloid cell specific .
O O O O O O O O B-protein_molecule I-protein_molecule I-protein_molecule B-protein_molecule O O O O O B-other_name I-other_name I-other_name O