tokens: The human CD19 gene has been cloned , and several BSAP -binding sites have been mapped by in vitro protein-DNA binding studies .
folded_tokens: the human cd19 gene has been cloned , and several bsap -binding sites have been mapped by in vitro protein-dna binding studies .
labels: O B-DNA_domain_or_region B-DNA_domain_or_region I-DNA_domain_or_region O O O O O O B-protein_molecule O O O O O O O B-other_name I-other_name I-other_name I-other_name O