A fragment extending from -643 to +33 is capable of controlling the tissue-specific expression of the CAT gene in transfection experiments .
a fragment extending from -643 to +33 is capable of controlling the tissue-specific expression of the cat gene in transfection experiments .
O O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O O O O O B-other_name I-other_name O O B-DNA_family_or_group I-DNA_family_or_group O B-other_name I-other_name O