Circular permutation and phasing analyses demonstrated that PU . 1 binding but not TFE3 or Ets-1 bends mu enhancer DNA toward the major groove .
circular permutation and phasing analyses demonstrated that pu . 1 binding but not tfe3 or ets-1 bends mu enhancer dna toward the major groove .
O O O O O O O B-protein_molecule I-protein_molecule I-protein_molecule O O O B-protein_molecule O B-protein_molecule O B-DNA_domain_or_region I-DNA_domain_or_region O O O B-DNA_substructure I-DNA_substructure O