5198
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 .
 murine erythroleukemia (MEL) cells, PYBF, PYBF -binding site, PYBF, cat reporter gene
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 murine erythroleukemia (MEL) cells, PYBF, PYBF -binding site, PYBF, cat reporter gene