tokens: The ATF/CRE site is also essential for CD4 promoter activation by forskolin , an activator of adenylate cyclase .
folded_tokens: the atf/cre site is also essential for cd4 promoter activation by forskolin , an activator of adenylate cyclase .
labels: O B-DNA_domain_or_region I-DNA_domain_or_region O O O O B-DNA_domain_or_region I-DNA_domain_or_region O O O O O O O B-other_name I-other_name O