tokens: In this promoter , we identified two osteoblast-specific cis-acting elements ( Ducy , P . and Karsenty , G . ( 1995 ) Mol . Cell . Biol . 15 , 1858-1869 ) .
folded_tokens: in this promoter , we identified two osteoblast-specific cis-acting elements ( ducy , p . and karsenty , g . ( 1995 ) mol . cell . biol . 15 , 1858-1869 ) .
labels: O O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O O O O O O O O O O O O O O O O O O O O O O O O