Dexamethasone ( 10 ( -8 ) M ) repressed chloramphenicol acetyltransferase ( CAT ) production by 75% in the wild-type fragment but not in a deletion mutant lacking the 19-bp site .
dexamethasone ( 10 ( -8 ) m ) repressed chloramphenicol acetyltransferase ( cat ) production by 75% in the wild-type fragment but not in a deletion mutant lacking the 19-bp site .
B-lipid O O O O O O O O B-protein_molecule I-protein_molecule O B-protein_molecule O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region O O O O B-DNA_family_or_group I-DNA_family_or_group O O B-DNA_domain_or_region I-DNA_domain_or_region O