The carboxyl portion of Sp140 contained a zinc-finger domain and a bromodomain , motifs that are present in proteins regulating gene transcription .
the carboxyl portion of sp140 contained a zinc-finger domain and a bromodomain , motifs that are present in proteins regulating gene transcription .
O B-protein_domain_or_region I-protein_domain_or_region O B-protein_molecule O O B-protein_domain_or_region I-protein_domain_or_region O O B-protein_domain_or_region O O O O O O O O B-other_name I-other_name O