tokens: Here , we describe the effect of 383-bp ( delta383 ) and 99-bp ( delta99 ) sequences containing the PYBF -binding site on transcription from various globin and non-globin promoters , using a transient assay with the cat reporter gene in murine erythroleukemia ( MEL ) cells , a cell line with abundant PYBF activity .
folded_tokens: here , we describe the effect of 383-bp ( delta383 ) and 99-bp ( delta99 ) sequences containing the pybf -binding site on transcription from various globin and non-globin promoters , using a transient assay with the cat reporter gene in murine erythroleukemia ( mel ) cells , a cell line with abundant pybf activity .
labels: O O O O O O O O O O O O O O O O O O O B-protein_molecule O O O O O O O O O O O O O B-other_name I-other_name O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O B-cell_line I-cell_line I-cell_line I-cell_line I-cell_line I-cell_line O O O O O O B-protein_molecule O O