The third member of the family , A-myb , shows the most restricted pattern of expression , suggesting a very specific role for this transcription factor .
the third member of the family , a-myb , shows the most restricted pattern of expression , suggesting a very specific role for this transcription factor .
O O O O O B-protein_family_or_group O B-protein_molecule O O O O O O O O O O O O O O O O B-protein_family_or_group I-protein_family_or_group O