915
Thus, EBNA-2 transactivation of the LMP-1 promoter is dependent on interaction with at least two distinct sequence-specific DNA-binding proteins , J kappa and PU.1 .
 PU.1, LMP-1 promoter, DNA-binding proteins, J kappa, EBNA-2
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:
 PU.1, LMP-1 promoter, DNA-binding proteins, J kappa, EBNA-2