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 .
 protein: PU.1; DNA: LMP-1 promoter; protein: DNA-binding proteins; protein: J kappa; protein: EBNA-2
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
 Entities: PU.1, LMP-1 promoter, DNA-binding proteins, J kappa, EBNA-2 
Answer:
 protein: PU.1; DNA: LMP-1 promoter; protein: DNA-binding proteins; protein: J kappa; protein: EBNA-2