These motifs are regulatory sequences within the so-called AU-rich elements ( AREs ) often found in 3' untranslated regions of genes such as cytokines , proto-oncogenes , and transcription factors .
these motifs are regulatory sequences within the so-called au-rich elements ( ares ) often found in 3' untranslated regions of genes such as cytokines , proto-oncogenes , and transcription factors .
O O O B-DNA_family_or_group I-DNA_family_or_group O O O B-DNA_family_or_group I-DNA_family_or_group 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 O O B-protein_family_or_group O B-DNA_family_or_group O O B-protein_family_or_group I-protein_family_or_group O