When fused to GAD , the C-terminal region of Ku was able to activate transcription via TRE-1 but this activation was not dependent on Tax .
when fused to gad , the c-terminal region of ku was able to activate transcription via tre-1 but this activation was not dependent on tax .
O O O B-protein_domain_or_region O O B-protein_domain_or_region I-protein_domain_or_region O B-protein_molecule O O O O O O B-DNA_domain_or_region O O O O O O O B-protein_molecule O