tokens: Testing their activity in transgenic mice shows that EKLF is a direct activator of 5'HS3 .
folded_tokens: testing their activity in transgenic mice shows that eklf is a direct activator of 5'hs3 .
labels: O O O O B-other_artificial_source I-other_artificial_source O O B-protein_molecule O O O O O B-DNA_domain_or_region O