584
In epithelial cells , the Z transactivator alone produced maximal stimulation of the EA-D promoter ; the effect of R and Z together was no greater than that of Z alone.
 protein: Z transactivator; protein: EA-D; protein: Z; DNA: EA-D promoter; cell type: epithelial cells; protein: R; protein: Z
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 protein: Z transactivator; protein: EA-D; protein: Z; DNA: EA-D promoter; cell type: epithelial cells; protein: R; protein: Z