tokens: An 800-base pair proximal promoter conferred some Th2-selective expression in transgenic mice .
folded_tokens: an 800-base pair proximal promoter conferred some th2-selective expression in transgenic mice .
labels: O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O O B-other_name I-other_name O B-other_artificial_source I-other_artificial_source O