A construct termed PFP5a containing -795 bp exhibited the highest CAT activity , and PFP9a20 containing only -73 bp also produced significantly high CAT activity in CTLL-R8 cells .
a construct termed pfp5a containing -795 bp exhibited the highest cat activity , and pfp9a20 containing only -73 bp also produced significantly high cat activity in ctll-r8 cells .
O O O B-DNA_molecule O B-DNA_domain_or_region I-DNA_domain_or_region O O O B-protein_molecule O O O B-DNA_molecule O O B-DNA_domain_or_region I-DNA_domain_or_region O O O O B-protein_molecule O O B-cell_line I-cell_line O