916
LBF3 , LBF5 , LBF6 , or LBF7 may also be involved, since their binding sites also contribute to EBNA-2 responsiveness .
 LBF5, LBF6, LBF3, LBF7, 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:
 LBF5, LBF6, LBF3, LBF7, EBNA-2