We previously detected a tissue-specific promoter preceding the exon encoding the N terminus of the pp52 leukocyte protein .
we previously detected a tissue-specific promoter preceding the exon encoding the n terminus of the pp52 leukocyte protein .
O O O O B-DNA_domain_or_region I-DNA_domain_or_region O O O O O B-protein_domain_or_region I-protein_domain_or_region O O B-protein_molecule I-protein_molecule I-protein_molecule O