Sp1 functions in a chromatin -dependent manner to augment human alpha-globin promoter activity .
sp1 functions in a chromatin -dependent manner to augment human alpha-globin promoter activity .
B-protein_molecule O O O B-DNA_family_or_group O O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O O