The sequence between -1 . 7 and -0 . 2 kb linked to a heterologous thymidine kinase promoter failed to respond to PRL stimulation , suggesting that the activity of upstream PRL response elements may require an interaction with promoter-proximal elements .
the sequence between -1 . 7 and -0 . 2 kb linked to a heterologous thymidine kinase promoter failed to respond to prl stimulation , suggesting that the activity of upstream prl response elements may require an interaction with promoter-proximal elements .
O O O O O O O O O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O O O O B-protein_molecule O O O O O O O B-DNA_family_or_group B-protein_molecule O O O O O O O B-DNA_family_or_group I-DNA_family_or_group O